make -C tools/testing/selftests TARGETS=net TEST_PROGS=drop_monitor_tests..sh TEST_GEN_PROGS="" run_tests make: Entering directory '/home/virtme/testing-1/tools/testing/selftests' make[1]: Entering directory '/home/virtme/testing-1/tools/testing/selftests/net' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/home/virtme/testing-1/tools/testing/selftests/net' make[1]: Entering directory '/home/virtme/testing-1/tools/testing/selftests/net' TAP version 13 1..1 # timeout set to 6000 # selftests: net: drop_monitor_tests.sh # # Software drops test [ 615.306042] GACT probability NOT on [ 615.339797] drop_monitor: Initializing network drop monitor service # TEST: Capturing active software drops [ OK ] # TEST: Capturing inactive software drops [ OK ] [ 626.286324] ------------[ cut here ]------------ [ 626.286978] DEBUG_LOCKS_WARN_ON(lock->magic != lock) [ 626.287000] WARNING: CPU: 3 PID: 10 at kernel/locking/mutex.c:587 __mutex_lock+0x351/0x7a0 [ 626.288769] Modules linked in: drop_monitor act_gact cls_flower netdevsim bonding xfrm_user psample macsec sch_htb nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables libcrc32c act_mirred cls_u32 sch_ingress ifb poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls geneve vxlan ip6_gre ip_gre gre [last unloaded: netdevsim] [ 626.292744] CPU: 3 PID: 10 Comm: kworker/u8:0 Not tainted 6.8.0-rc2-virtme #1 [ 626.293582] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 626.294546] Workqueue: netns cleanup_net [ 626.295019] RIP: 0010:__mutex_lock+0x351/0x7a0 [ 626.295371] Code: ff 90 e8 a2 e7 70 ff 85 c0 74 23 8b 35 9c 8e db 00 85 f6 75 19 90 48 c7 c6 97 37 2a 8c 48 c7 c7 3a ac 29 8c e8 00 04 26 ff 90 <0f> 0b 90 90 90 e9 03 fd ff ff 4c 8d 6d a0 4c 89 e7 4c 89 ee e8 d6 # [ 626.297428] RSP: 0018:ffffad304005ba30 EFLAGS: 00010282 [ 626.298281] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00000000ffffdfff [ 626.299305] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 626.300357] RBP: ffffad304005bab0 R08: ffffffff8c778508 R09: 00000000ffffdfff [ 626.301478] R10: ffffffff8c698520 R11: ffffffff8c74f4c8 R12: ffff992143db0d00 # [ 626.302429] R13: 0000000000000000 R14: 0000000000000000 R15: ffff992144e33800 [ 626.303368] FS: 0000000000000000(0000) GS:ffff99217ed80000(0000) knlGS:0000000000000000 H[ 626.304433] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 626.304896] CR2: 00005647bbd7d6f0 CR3: 000000000125e005 CR4: 0000000000770ef0 a[ 626.305709] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 626.306717] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 r[ 626.307718] PKRU: 55555554 d[ 626.308142] Call Trace: [ 626.308557] <TASK> w[ 626.308861] ? __warn+0x84/0x170 a[ 626.309352] ? __mutex_lock+0x351/0x7a0 [ 626.309894] ? report_bug+0x199/0x1b0 r[ 626.310395] ? handle_bug+0x3d/0x70 [ 626.310881] ? exc_invalid_op+0x18/0x70 e[ 626.311287] ? asm_exc_invalid_op+0x1a/0x20 [ 626.311749] ? __mutex_lock+0x351/0x7a0 d[ 626.312079] ? refcount_dec_and_mutex_lock+0x35/0x80 r[ 626.312483] ? up_read+0x1b/0x30 o[ 626.312762] ? tc_setup_cb_destroy+0x116/0x180 p[ 626.313137] ? refcount_dec_and_mutex_lock+0x35/0x80 s[ 626.313546] refcount_dec_and_mutex_lock+0x35/0x80 [ 626.313937] __tcf_action_put+0x1e/0x70 [ 626.314243] tcf_action_destroy+0x31/0x80 [ 626.314578] tcf_exts_destroy+0x20/0x40 [ 626.314876] __fl_destroy_filter+0x1e/0x80 [cls_flower] t[ 626.315313] __fl_delete+0x12d/0x180 [cls_flower] e[ 626.315917] fl_destroy+0xbd/0x140 [cls_flower] s[ 626.316380] tcf_proto_destroy+0x1f/0xc0 t[ 626.316820] tcf_chain_flush+0xab/0x170 [ 626.317157] __tcf_block_put+0xd2/0x190 [ 626.317624] clsact_destroy+0xb6/0x380 [sch_ingress] [ 626.318036] __qdisc_destroy+0x51/0x150 [ 626.318546] dev_shutdown+0x78/0x190 [ 626.319021] unregister_netdevice_many_notify+0x23e/0x7f0 [ 626.319695] default_device_exit_batch+0x2b3/0x320 [ 626.320335] cleanup_net+0x288/0x400 [ 626.320783] ? process_one_work+0x16c/0x4b0 [ 626.321356] process_one_work+0x1d6/0x4b0 [ 626.321881] worker_thread+0x1c1/0x3d0 [ 626.322356] ? __pfx_worker_thread+0x10/0x10 [ 626.322912] kthread+0xda/0x110 [ 626.323282] ? __pfx_kthread+0x10/0x10 [ 626.323767] ret_from_fork+0x31/0x50 [ 626.324241] ? __pfx_kthread+0x10/0x10 [ 626.324698] ret_from_fork_asm+0x1b/0x30 [ 626.325136] </TASK> [ 626.325391] irq event stamp: 5739263 [ 626.325799] hardirqs last enabled at (5739263): [<ffffffff8ae00bf7>] __call_rcu_common.constprop.0+0x307/0x4f0 [ 626.326953] hardirqs last disabled at (5739262): [<ffffffff8ae00c0c>] __call_rcu_common.constprop.0+0x31c/0x4f0 [ 626.328091] softirqs last enabled at (5739260): [<ffffffff8bae97b2>] __do_softirq+0x2c2/0x37a [ 626.328779] softirqs last disabled at (5739253): [<ffffffff8ad4be1f>] irq_exit_rcu+0x7f/0xa0 [ 626.329572] ---[ end trace 0000000000000000 ]--- [ 629.552818] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 629.552836] ------------[ cut here ]------------ [ 629.553214] #PF: supervisor write access in kernel mode [ 629.553216] #PF: error_code(0x0002) - not-present page [ 629.553492] WARNING: CPU: 2 PID: 15661 at include/linux/maple_tree.h:712 __split_vma+0xbb/0x330 [ 629.553756] PGD 0 [ 629.554095] Modules linked in: [ 629.554538] P4D 0 [ 629.554542] Oops: 0002 [#1] PREEMPT SMP NOPTI [ 629.554657] drop_monitor [ 629.554821] CPU: 1 PID: 10 Comm: kworker/u8:0 Tainted: G W 6.8.0-rc2-virtme #1 [ 629.554930] act_gact [ 629.555158] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 629.555376] cls_flower [ 629.555809] Workqueue: netns cleanup_net [ 629.555945] netdevsim [ 629.556526] [ 629.556527] RIP: 0010:__mutex_lock+0x399/0x7a0 [ 629.556532] Code: e7 65 48 8b 14 25 00 f1 02 00 48 89 55 b0 e8 ae af 2d ff 49 8b 44 24 58 49 8d 54 24 50 4d 89 6c 24 58 48 89 55 a0 48 89 45 a8 <4c> 89 28 4d 39 6c 24 50 0f 84 32 03 00 00 65 48 8b 14 25 00 f1 02 [ 629.556711] bonding [ 629.556914] RSP: 0018:ffffad304005ba30 EFLAGS: 00010246 [ 629.557042] xfrm_user [ 629.557128] [ 629.557128] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 629.557377] psample [ 629.558304] RDX: ffff992143db0d50 RSI: ffffad304005ba50 RDI: ffff992143db0d00 [ 629.558306] RBP: ffffad304005bab0 R08: 0000000000000001 R09: 0000000000000000 [ 629.558307] R10: 0000000000000000 R11: 0000000000000013 R12: ffff992143db0d00 [ 629.558440] macsec [ 629.558709] R13: ffffad304005ba50 R14: ffff992143db0d08 R15: ffff992143db0d68 [ 629.558712] FS: 0000000000000000(0000) GS:ffff99217ec80000(0000) knlGS:0000000000000000 [ 629.558902] sch_htb [ 629.558991] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 629.559535] nft_chain_nat [ 629.559650] CR2: 0000000000000000 CR3: 000000001e060003 CR4: 0000000000770ef0 [ 629.560197] xt_nat [ 629.560566] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 629.560567] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 629.560568] PKRU: 55555554 [ 629.560569] Call Trace: [ 629.560571] <TASK> [ 629.560574] ? __die+0x24/0x70 [ 629.561109] nf_nat [ 629.561224] ? page_fault_oops+0x15b/0x450 [ 629.561762] nf_conntrack [ 629.562167] ? lock_release+0x1d3/0x270 [ 629.562358] nf_defrag_ipv6 [ 629.562649] ? trace_hardirqs_off_finish+0x3d/0x90 [ 629.562865] nf_defrag_ipv4 [ 629.563227] ? exc_page_fault+0x6e/0x1d0 [ 629.563407] nft_compat [ 629.563768] ? asm_exc_page_fault+0x26/0x30 [ 629.564311] nf_tables [ 629.564456] ? __mutex_lock+0x399/0x7a0 [ 629.564657] libcrc32c [ 629.564772] ? refcount_dec_and_mutex_lock+0x35/0x80 [ 629.564934] act_mirred [ 629.565050] ? refcount_dec_and_mutex_lock+0x35/0x80 [ 629.565263] cls_u32 [ 629.565410] refcount_dec_and_mutex_lock+0x35/0x80 [ 629.565413] __tcf_action_put+0x1e/0x70 [ 629.565419] tcf_action_destroy+0x31/0x80 [ 629.565719] sch_ingress [ 629.565877] tcf_exts_destroy+0x20/0x40 [ 629.566145] ifb [ 629.566295] __fl_destroy_filter+0x1e/0x80 [cls_flower] [ 629.566513] poly1305_generic [ 629.566642] __fl_delete+0x12d/0x180 [cls_flower] [ 629.566956] libpoly1305 [ 629.567085] fl_destroy+0xbd/0x140 [cls_flower] [ 629.567284] chacha_generic [ 629.567419] tcf_proto_destroy+0x1f/0xc0 [ 629.567423] tcf_chain_flush+0xab/0x170 [ 629.567678] libchacha [ 629.567811] __tcf_block_put+0xd2/0x190 [ 629.568184] chacha20poly1305 [ 629.568307] clsact_destroy+0xb6/0x380 [sch_ingress] [ 629.568576] tls [ 629.568779] __qdisc_destroy+0x51/0x150 [ 629.568993] geneve [ 629.569129] dev_shutdown+0x78/0x190 [ 629.569404] vxlan [ 629.569504] unregister_netdevice_many_notify+0x23e/0x7f0 [ 629.569792] ip6_gre [ 629.569951] default_device_exit_batch+0x2b3/0x320 [ 629.570206] ip_gre [ 629.570349] cleanup_net+0x288/0x400 [ 629.570353] ? process_one_work+0x16c/0x4b0 [ 629.570638] gre [ 629.570788] process_one_work+0x1d6/0x4b0 [ 629.570990] [last unloaded: netdevsim] [ 629.571191] worker_thread+0x1c1/0x3d0 [ 629.571333] [ 629.571530] ? __pfx_worker_thread+0x10/0x10 [ 629.571729] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G W 6.8.0-rc2-virtme #1 [ 629.571984] kthread+0xda/0x110 [ 629.572088] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 629.572288] ? __pfx_kthread+0x10/0x10 [ 629.572417] RIP: 0010:__split_vma+0xbb/0x330 [ 629.572600] ret_from_fork+0x31/0x50 [ 629.572772] Code: 89 e2 48 c1 e8 0c 48 01 85 80 00 00 00 48 8b 45 08 41 8b 4d 38 48 83 e8 01 85 c9 75 10 49 39 55 08 77 06 49 39 55 10 73 04 90 <0f> 0b 90 49 89 55 08 48 89 ee ba c0 0c 00 00 4c 89 ef 49 89 45 10 [ 629.573051] ? __pfx_kthread+0x10/0x10 [ 629.573170] RSP: 0018:ffffad3040233d18 EFLAGS: 00010202 [ 629.573427] ret_from_fork_asm+0x1b/0x30 [ 629.573432] </TASK> [ 629.573553] [ 629.573742] Modules linked in: drop_monitor [ 629.574045] RAX: 00007f276d19bfff RBX: ffff99214281de70 RCX: 0000000000000000 [ 629.574146] act_gact [ 629.574358] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8d132130 [ 629.574556] cls_flower [ 629.574753] RBP: ffff992144cc0690 R08: 0000000000000002 R09: 0000000000000000 [ 629.574840] netdevsim [ 629.575168] R10: 0000000000000000 R11: 0000000000000000 R12: 00007f276d19c000 [ 629.575625] bonding xfrm_user psample macsec sch_htb nft_chain_nat xt_nat nf_nat nf_conntrack [ 629.575798] R13: ffffad3040233ea8 R14: ffff992143e79230 R15: 0000000000000001 [ 629.576390] nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables libcrc32c act_mirred cls_u32 sch_ingress ifb poly1305_generic libpoly1305 chacha_generic [ 629.576607] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 629.576828] libchacha [ 629.577017] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 629.577951] chacha20poly1305 tls geneve vxlan ip6_gre ip_gre gre [last unloaded: netdevsim] [ 629.577963] CR2: 0000000000000000 [ 629.578157] CR2: 00005647bbd7abe0 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 629.578443] ---[ end trace 0000000000000000 ]--- [ 629.578445] RIP: 0010:__mutex_lock+0x399/0x7a0 [ 629.578727] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 629.578846] Code: e7 65 48 8b 14 25 00 f1 02 00 48 89 55 b0 e8 ae af 2d ff 49 8b 44 24 58 49 8d 54 24 50 4d 89 6c 24 58 48 89 55 a0 48 89 45 a8 <4c> 89 28 4d 39 6c 24 50 0f 84 32 03 00 00 65 48 8b 14 25 00 f1 02 [ 629.578933] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 629.579147] RSP: 0018:ffffad304005ba30 EFLAGS: 00010246 [ 629.579554] PKRU: 55555554 [ 629.579674] [ 629.579675] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 629.580073] Call Trace: [ 629.580204] RDX: ffff992143db0d50 RSI: ffffad304005ba50 RDI: ffff992143db0d00 [ 629.580583] <TASK> [ 629.580707] RBP: ffffad304005bab0 R08: 0000000000000001 R09: 0000000000000000 [ 629.581163] ? __warn+0x84/0x170 [ 629.581604] R10: 0000000000000000 R11: 0000000000000013 R12: ffff992143db0d00 [ 629.581605] R13: ffffad304005ba50 R14: ffff992143db0d08 R15: ffff992143db0d68 [ 629.581608] FS: 0000000000000000(0000) GS:ffff99217ec80000(0000) knlGS:0000000000000000 [ 629.581609] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 629.581610] CR2: 0000000000000000 CR3: 000000001e060003 CR4: 0000000000770ef0 [ 629.582068] ? __split_vma+0xbb/0x330 [ 629.582752] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 629.582754] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 629.582754] PKRU: 55555554 [ 629.582755] note: kworker/u8:0[10] exited with irqs disabled [ 629.582765] note: kworker/u8:0[10] exited with preempt_count 2 [ 629.583274] ? report_bug+0x199/0x1b0 [ 629.593713] ? handle_bug+0x3d/0x70 [ 629.593921] ? exc_invalid_op+0x18/0x70 [ 629.594120] ? asm_exc_invalid_op+0x1a/0x20 [ 629.594344] ? __split_vma+0xbb/0x330 [ 629.594548] ? __split_vma+0x72/0x330 [ 629.594826] ? mas_store_gfp+0x6d/0xd0 [ 629.595066] ? mas_next_slot+0x108/0x820 [ 629.595269] ? lock_release+0x1d3/0x270 [ 629.595487] do_vmi_align_munmap.constprop.0+0xfa/0x540 [ 629.595775] ? mas_walk+0x104/0x1f0 [ 629.596055] __vm_munmap+0xa2/0x170 [ 629.596263] __x64_sys_munmap+0x1b/0x30 [ 629.596482] do_syscall_64+0xc9/0x1e0 [ 629.596676] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 629.596951] RIP: 0033:0x7f276e5eae8b [ 629.597238] Code: ff ff 73 01 c3 48 8b 0d 73 9f 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 45 9f 1b 00 f7 d8 64 89 01 48 [ 629.598317] RSP: 002b:00007ffdeae14288 EFLAGS: 00000202 ORIG_RAX: 000000000000000b [ 629.598746] RAX: ffffffffffffffda RBX: 00005647bbd79688 RCX: 00007f276e5eae8b [ 629.599108] RDX: 00005647bbd7abd0 RSI: 0000000000002ffd RDI: 00007f276d19c000 [ 629.599596] RBP: 00005647bbd7ac40 R08: 00005647bbd7ac10 R09: 2cd9c4193ad7d865 [ 629.599971] R10: 4664d1dd4ab1d463 R11: 0000000000000202 R12: 00005647bbd79690 [ 629.600338] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 629.600835] </TASK> [ 629.600954] irq event stamp: 2020 [ 629.601127] hardirqs last enabled at (2019): [<ffffffff8bae8e28>] _raw_write_unlock_irq+0x28/0x50 [ 629.601617] hardirqs last disabled at (2020): [<ffffffff8badf0ce>] __schedule+0x6ee/0xc70 [ 629.602138] softirqs last enabled at (638): [<ffffffff8bae97b2>] __do_softirq+0x2c2/0x37a [ 629.602572] softirqs last disabled at (633): [<ffffffff8ad4be1f>] irq_exit_rcu+0x7f/0xa0 [ 629.603099] ---[ end trace 0000000000000000 ]--- [ 629.603369] ------------[ cut here ]------------ [ 629.603619] WARNING: CPU: 2 PID: 15661 at mm/mmap.c:2326 __split_vma+0x285/0x330 [ 629.604047] Modules linked in: drop_monitor act_gact cls_flower netdevsim bonding xfrm_user psample macsec sch_htb nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables libcrc32c act_mirred cls_u32 sch_ingress ifb poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls geneve vxlan ip6_gre ip_gre gre [last unloaded: netdevsim] [ 629.606053] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 629.606640] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 629.607210] RIP: 0010:__split_vma+0x285/0x330 [ 629.607483] Code: 00 00 00 48 8b 53 10 e8 c9 f8 ff ff 48 c7 c6 ff ff ff ff 4c 89 ef e8 0a 5c ae 00 e9 87 fe ff ff 90 0f 0b 90 e9 be fd ff ff 90 <0f> 0b 90 e9 ab fd ff ff 48 8b bd a0 00 00 00 48 85 ff 0f 84 55 fe [ 629.608515] RSP: 0018:ffffad3040233d18 EFLAGS: 00010282 [ 629.608910] RAX: 0000000000000000 RBX: ffff99214281de70 RCX: 0000000000000000 [ 629.609270] RDX: 00007f276d19f000 RSI: ffff99214281de70 RDI: ffffad3040233ea8 [ 629.609755] RBP: ffffad3040233ea8 R08: 0000000000000003 R09: ffff992143db0a08 [ 629.610220] R10: 0000000000000018 R11: 00007f276dd37fff R12: 00007f276d19f000 [ 629.610597] R13: ffffad3040233ea8 R14: ffff99214281de70 R15: 0000000000000000 [ 629.611004] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 629.611507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 629.611802] CR2: 00005647bbd7abe0 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 629.612229] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 629.612664] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 629.613025] PKRU: 55555554 [ 629.613170] Call Trace: [ 629.613362] <TASK> [ 629.613538] ? __warn+0x84/0x170 [ 629.613801] ? __split_vma+0x285/0x330 [ 629.614009] ? report_bug+0x199/0x1b0 [ 629.614203] ? handle_bug+0x3d/0x70 [ 629.614422] ? exc_invalid_op+0x18/0x70 [ 629.614724] ? asm_exc_invalid_op+0x1a/0x20 [ 629.614943] ? __split_vma+0x285/0x330 [ 629.615139] ? __split_vma+0x276/0x330 [ 629.615345] do_vmi_align_munmap.constprop.0+0x1c4/0x540 [ 629.615689] ? mas_walk+0x104/0x1f0 [ 629.615947] __vm_munmap+0xa2/0x170 [ 629.616133] __x64_sys_munmap+0x1b/0x30 [ 629.616338] do_syscall_64+0xc9/0x1e0 [ 629.616542] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 629.616863] RIP: 0033:0x7f276e5eae8b [ 629.617110] Code: ff ff 73 01 c3 48 8b 0d 73 9f 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 45 9f 1b 00 f7 d8 64 89 01 48 [ 629.618218] RSP: 002b:00007ffdeae14288 EFLAGS: 00000202 ORIG_RAX: 000000000000000b [ 629.618763] RAX: ffffffffffffffda RBX: 00005647bbd79688 RCX: 00007f276e5eae8b [ 629.619281] RDX: 00005647bbd7abd0 RSI: 0000000000002ffd RDI: 00007f276d19c000 [ 629.619804] RBP: 00005647bbd7ac40 R08: 00005647bbd7ac10 R09: 2cd9c4193ad7d865 [ 629.620321] R10: 4664d1dd4ab1d463 R11: 0000000000000202 R12: 00005647bbd79690 [ 629.620848] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 629.621379] </TASK> [ 629.621559] irq event stamp: 2020 [ 629.621825] hardirqs last enabled at (2019): [<ffffffff8bae8e28>] _raw_write_unlock_irq+0x28/0x50 [ 629.622484] hardirqs last disabled at (2020): [<ffffffff8badf0ce>] __schedule+0x6ee/0xc70 [ 629.623089] softirqs last enabled at (638): [<ffffffff8bae97b2>] __do_softirq+0x2c2/0x37a [ 629.623675] softirqs last disabled at (633): [<ffffffff8ad4be1f>] irq_exit_rcu+0x7f/0xa0 [ 629.624269] ---[ end trace 0000000000000000 ]--- [ 629.624630] ------------[ cut here ]------------ [ 629.624966] WARNING: CPU: 2 PID: 15661 at include/linux/maple_tree.h:712 __split_vma+0xbb/0x330 [ 629.625626] Modules linked in: drop_monitor act_gact cls_flower netdevsim bonding xfrm_user psample macsec sch_htb nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables libcrc32c act_mirred cls_u32 sch_ingress ifb poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls geneve vxlan ip6_gre ip_gre gre [last unloaded: netdevsim] [ 629.628051] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 629.628707] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 629.629522] RIP: 0010:__split_vma+0xbb/0x330 [ 629.629860] Code: 89 e2 48 c1 e8 0c 48 01 85 80 00 00 00 48 8b 45 08 41 8b 4d 38 48 83 e8 01 85 c9 75 10 49 39 55 08 77 06 49 39 55 10 73 04 90 <0f> 0b 90 49 89 55 08 48 89 ee ba c0 0c 00 00 4c 89 ef 49 89 45 10 [ 629.631240] RSP: 0018:ffffad3040233d18 EFLAGS: 00010287 [ 629.631645] RAX: ffffffff8ad3c4cf RBX: ffff99214281de70 RCX: 0000000000000000 [ 629.632193] RDX: 00007f276d19f000 RSI: 0000000000000000 RDI: ffffffff8d132130 [ 629.632734] RBP: ffff992144cc02a0 R08: 0000000000000002 R09: 0000000000000000 [ 629.633276] R10: 0000000000000000 R11: 00007f276dd37fff R12: 00007f276d19f000 [ 629.633820] R13: ffffad3040233ea8 R14: ffff99214281de70 R15: 0000000000000000 [ 629.634366] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 629.634973] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 629.635417] CR2: 00005647bbd7abe0 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 629.635970] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 629.636512] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 629.637056] PKRU: 55555554 [ 629.637270] Call Trace: [ 629.637471] <TASK> [ 629.637642] ? __warn+0x84/0x170 [ 629.637904] ? __split_vma+0xbb/0x330 [ 629.638193] ? report_bug+0x199/0x1b0 [ 629.638447] ? handle_bug+0x3d/0x70 [ 629.638702] ? exc_invalid_op+0x18/0x70 [ 629.638971] ? asm_exc_invalid_op+0x1a/0x20 [ 629.639263] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 629.639528] ? __split_vma+0xbb/0x330 [ 629.639722] ? __split_vma+0x72/0x330 [ 629.639915] do_vmi_align_munmap.constprop.0+0x1c4/0x540 [ 629.640315] ? mas_walk+0x104/0x1f0 [ 629.640517] __vm_munmap+0xa2/0x170 [ 629.640703] __x64_sys_munmap+0x1b/0x30 [ 629.640903] do_syscall_64+0xc9/0x1e0 [ 629.641096] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 629.641485] RIP: 0033:0x7f276e5eae8b [ 629.641674] Code: ff ff 73 01 c3 48 8b 0d 73 9f 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 45 9f 1b 00 f7 d8 64 89 01 48 [ 629.642779] RSP: 002b:00007ffdeae14288 EFLAGS: 00000202 ORIG_RAX: 000000000000000b [ 629.643219] RAX: ffffffffffffffda RBX: 00005647bbd79688 RCX: 00007f276e5eae8b [ 629.643674] RDX: 00005647bbd7abd0 RSI: 0000000000002ffd RDI: 00007f276d19c000 [ 629.644080] RBP: 00005647bbd7ac40 R08: 00005647bbd7ac10 R09: 2cd9c4193ad7d865 [ 629.644458] R10: 4664d1dd4ab1d463 R11: 0000000000000202 R12: 00005647bbd79690 [ 629.644934] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 629.645323] </TASK> [ 629.645452] irq event stamp: 2020 [ 629.645626] hardirqs last enabled at (2019): [<ffffffff8bae8e28>] _raw_write_unlock_irq+0x28/0x50 [ 629.646207] hardirqs last disabled at (2020): [<ffffffff8badf0ce>] __schedule+0x6ee/0xc70 [ 629.646652] softirqs last enabled at (638): [<ffffffff8bae97b2>] __do_softirq+0x2c2/0x37a [ 629.647141] softirqs last disabled at (633): [<ffffffff8ad4be1f>] irq_exit_rcu+0x7f/0xa0 [ 629.647620] ---[ end trace 0000000000000000 ]--- [ 655.585303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 655.585639] rcu: 2-....: (25998 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=5816 [ 655.586135] rcu: (t=26001 jiffies g=162497 q=2266 ncpus=4) [ 655.586422] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 655.586876] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 655.587450] RIP: 0010:down_read_trylock+0x1f/0x140 [ 655.587704] Code: 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 53 48 89 fb 48 83 ec 08 8b 0d bd f8 ad 01 85 c9 75 0d 48 8b 4f 68 <48> 39 cf 0f 85 9c 00 00 00 65 ff 05 d9 45 27 75 48 b9 07 00 00 00 [ 655.588630] RSP: 0000:ffffad3040233e70 EFLAGS: 00000246 [ 655.588900] RAX: 0000000000000008 RBX: ffff99214654eb48 RCX: ffff99214654eb48 [ 655.589261] RDX: 0000000000000007 RSI: 000000000000000c RDI: ffff99214654eb48 [ 655.589623] RBP: ffffffff8afbbab3 R08: 0000000000000000 R09: 0000000000000000 [ 655.589985] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 655.590350] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 655.590712] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 655.591122] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 655.591417] CR2: 00007f276e95de40 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 655.591779] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 655.592139] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 655.592502] PKRU: 55555554 [ 655.592644] Call Trace: [ 655.592777] <IRQ> [ 655.592889] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 655.593121] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 655.593359] ? cpuacct_charge+0x3e/0x120 [ 655.593563] ? lock_release+0x1d3/0x270 [ 655.593763] ? lock_acquire+0x179/0x2b0 [ 655.593963] ? cpuacct_account_field+0x23/0xf0 [ 655.594195] ? update_process_times+0x5f/0x90 [ 655.594424] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 655.594697] ? tick_sched_handle+0x33/0x50 [ 655.594908] ? tick_nohz_highres_handler+0x71/0x90 [ 655.595155] ? __hrtimer_run_queues+0x86/0x390 [ 655.595389] ? hrtimer_interrupt+0x100/0x240 [ 655.595611] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 655.595887] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 655.596145] </IRQ> [ 655.596259] <TASK> [ 655.596373] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 655.596649] ? lock_vma_under_rcu+0xb3/0x4a0 [ 655.596872] ? down_read_trylock+0x1f/0x140 [ 655.597092] lock_vma_under_rcu+0xdb/0x4a0 [ 655.597302] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 655.597546] do_user_addr_fault+0x138/0x830 [ 655.597766] exc_page_fault+0x6e/0x1d0 [ 655.597962] asm_exc_page_fault+0x26/0x30 [ 655.598173] RIP: 0033:0x7f276e95de40 [ 655.598373] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 655.598689] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 655.598955] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 655.599318] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 655.599680] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 655.600040] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 655.600402] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 655.600765] </TASK> [ 733.603303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 733.603642] rcu: 2-....: (104002 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=23548 [ 733.604141] rcu: (t=104019 jiffies g=162497 q=2313 ncpus=4) [ 733.604432] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 733.604882] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 733.605464] RIP: 0010:__up_read+0x68/0x210 [ 733.605680] Code: f1 02 00 48 89 c2 48 83 e2 fc 48 39 ca 75 0e 48 89 c2 83 e2 03 f0 48 0f b1 55 08 75 e6 48 c7 c0 00 ff ff ff f0 48 0f c1 45 00 <8b> 0d 46 f0 ad 01 48 2d 00 01 00 00 85 c9 75 05 48 85 c0 78 5b 24 [ 733.606607] RSP: 0000:ffffad3040233e78 EFLAGS: 00000247 [ 733.606874] RAX: 0000000000000100 RBX: 00007f276e95de40 RCX: ffff992144cdc280 [ 733.607236] RDX: 0000000000000001 RSI: ffffffff8afbbb61 RDI: ffff99214654eb48 [ 733.607596] RBP: ffff99214654eb48 R08: 0000000000000000 R09: 0000000000000000 [ 733.607955] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 733.608316] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 733.608680] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 733.609086] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 733.609380] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 733.609741] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 733.610101] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 733.610460] PKRU: 55555554 [ 733.610606] Call Trace: [ 733.610738] <IRQ> [ 733.610849] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 733.611078] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 733.611314] ? cpuacct_charge+0x3e/0x120 [ 733.611516] ? lock_release+0x1d3/0x270 [ 733.611724] ? lock_acquire+0x179/0x2b0 [ 733.611936] ? cpuacct_account_field+0x23/0xf0 [ 733.612168] ? update_process_times+0x5f/0x90 [ 733.612397] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 733.612668] ? tick_sched_handle+0x33/0x50 [ 733.612895] ? tick_nohz_highres_handler+0x71/0x90 [ 733.613141] ? __hrtimer_run_queues+0x86/0x390 [ 733.613373] ? hrtimer_interrupt+0x100/0x240 [ 733.613596] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 733.613863] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 733.614120] </IRQ> [ 733.614234] <TASK> [ 733.614350] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 733.614623] ? lock_vma_under_rcu+0x161/0x4a0 [ 733.614851] ? __up_read+0x68/0x210 [ 733.615035] ? up_read+0x1b/0x30 [ 733.615204] ? lock_vma_under_rcu+0xb3/0x4a0 [ 733.615436] lock_vma_under_rcu+0x161/0x4a0 [ 733.615652] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 733.615898] do_user_addr_fault+0x138/0x830 [ 733.616119] exc_page_fault+0x6e/0x1d0 [ 733.616315] asm_exc_page_fault+0x26/0x30 [ 733.616526] RIP: 0033:0x7f276e95de40 [ 733.616717] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 733.617031] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 733.617297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 733.617659] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 733.618021] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 733.618382] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 733.618741] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 733.619106] </TASK> [ 811.622303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 811.622643] rcu: 2-....: (182007 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=41367 [ 811.623147] rcu: (t=182038 jiffies g=162497 q=2350 ncpus=4) [ 811.623442] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 811.623899] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 811.624483] RIP: 0010:lock_release+0x6/0x270 [ 811.624717] Code: eb aa e8 2d c8 d0 00 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 57 <41> 56 49 89 f6 41 55 41 54 55 48 89 fd 48 83 ec 18 65 48 8b 04 25 [ 811.625665] RSP: 0000:ffffad3040233e68 EFLAGS: 00000246 [ 811.625938] RAX: 0000000000000000 RBX: 00007f276e95de40 RCX: ffffffff8afbbab3 [ 811.626305] RDX: 0000000000000000 RSI: ffffffff8afbbb61 RDI: ffff99214654ebb8 [ 811.626694] RBP: ffff99214654eb48 R08: 0000000000000000 R09: 0000000000000000 [ 811.627055] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 811.627414] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 811.627779] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 811.628189] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 811.628482] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 811.628847] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 811.629208] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 811.629573] PKRU: 55555554 [ 811.629716] Call Trace: [ 811.629848] <IRQ> [ 811.629965] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 811.630199] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 811.630434] ? cpuacct_charge+0x3e/0x120 [ 811.630643] ? lock_release+0x1d3/0x270 [ 811.630843] ? lock_acquire+0x179/0x2b0 [ 811.631044] ? cpuacct_account_field+0x23/0xf0 [ 811.631277] ? update_process_times+0x5f/0x90 [ 811.631504] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 811.631779] ? tick_sched_handle+0x33/0x50 [ 811.631991] ? tick_nohz_highres_handler+0x71/0x90 [ 811.632238] ? __hrtimer_run_queues+0x86/0x390 [ 811.632472] ? hrtimer_interrupt+0x100/0x240 [ 811.632694] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 811.632964] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 811.633223] </IRQ> [ 811.633336] <TASK> [ 811.633451] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 811.633726] ? lock_vma_under_rcu+0xb3/0x4a0 [ 811.633948] ? lock_vma_under_rcu+0x161/0x4a0 [ 811.634176] ? lock_release+0x6/0x270 [ 811.634370] up_read+0x1b/0x30 [ 811.634534] ? lock_vma_under_rcu+0xb3/0x4a0 [ 811.634757] lock_vma_under_rcu+0x161/0x4a0 [ 811.634979] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 811.635224] do_user_addr_fault+0x138/0x830 [ 811.635446] exc_page_fault+0x6e/0x1d0 [ 811.635642] asm_exc_page_fault+0x26/0x30 [ 811.635853] RIP: 0033:0x7f276e95de40 [ 811.636054] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 811.636370] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 811.636639] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 811.637001] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 811.637361] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 811.637724] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 811.638085] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 811.638448] </TASK> [ 889.642303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 889.642635] rcu: 2-....: (256149 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=58680 [ 889.643134] rcu: (t=260058 jiffies g=162497 q=2370 ncpus=4) [ 889.643426] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 889.643876] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 889.644450] RIP: 0010:__up_read+0x68/0x210 [ 889.644675] Code: f1 02 00 48 89 c2 48 83 e2 fc 48 39 ca 75 0e 48 89 c2 83 e2 03 f0 48 0f b1 55 08 75 e6 48 c7 c0 00 ff ff ff f0 48 0f c1 45 00 <8b> 0d 46 f0 ad 01 48 2d 00 01 00 00 85 c9 75 05 48 85 c0 78 5b 24 [ 889.645600] RSP: 0000:ffffad3040233e78 EFLAGS: 00000247 [ 889.645869] RAX: 0000000000000100 RBX: 00007f276e95de40 RCX: ffff992144cdc280 [ 889.646230] RDX: 0000000000000001 RSI: ffffffff8afbbb61 RDI: ffff99214654eb48 [ 889.646590] RBP: ffff99214654eb48 R08: 0000000000000000 R09: 0000000000000000 [ 889.646951] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 889.647312] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 889.647674] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 889.648082] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 889.648377] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 889.648738] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 889.649098] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 889.649460] PKRU: 55555554 [ 889.649602] Call Trace: [ 889.649736] <IRQ> [ 889.649848] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 889.650080] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 889.650318] ? cpuacct_charge+0x3e/0x120 [ 889.650521] ? lock_release+0x1d3/0x270 [ 889.650724] ? lock_acquire+0x179/0x2b0 [ 889.650923] ? cpuacct_account_field+0x23/0xf0 [ 889.651159] ? update_process_times+0x5f/0x90 [ 889.651389] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 889.651674] ? tick_sched_handle+0x33/0x50 [ 889.651885] ? tick_nohz_highres_handler+0x71/0x90 [ 889.652132] ? __hrtimer_run_queues+0x86/0x390 [ 889.652365] ? hrtimer_interrupt+0x100/0x240 [ 889.652587] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 889.652856] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 889.653115] </IRQ> [ 889.653230] <TASK> [ 889.653345] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 889.653618] ? lock_vma_under_rcu+0x161/0x4a0 [ 889.653846] ? __up_read+0x68/0x210 [ 889.654030] ? up_read+0x1b/0x30 [ 889.654200] ? lock_vma_under_rcu+0xb3/0x4a0 [ 889.654423] lock_vma_under_rcu+0x161/0x4a0 [ 889.654643] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 889.654889] do_user_addr_fault+0x138/0x830 [ 889.655109] exc_page_fault+0x6e/0x1d0 [ 889.655306] asm_exc_page_fault+0x26/0x30 [ 889.655517] RIP: 0033:0x7f276e95de40 [ 889.655715] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 889.656030] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 889.656297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 889.656658] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 889.657020] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 889.657381] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 889.657741] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 889.658105] </TASK> [ 967.661303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 967.661635] rcu: 2-....: (334154 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=76095 [ 967.662138] rcu: (t=338077 jiffies g=162497 q=2389 ncpus=4) [ 967.662432] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 967.662885] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 967.663461] RIP: 0010:__rcu_read_unlock+0x49/0x1b0 [ 967.663716] Code: 00 01 75 0a 8b 85 00 04 00 00 85 c0 75 27 65 48 8b 04 25 00 f1 02 00 8b 80 fc 03 00 00 3d ff ff ff 3f 0f 87 ab 00 00 00 5b 5d <41> 5c 41 5d 41 5e c3 cc cc cc cc 65 8b 1d 0d ca 22 75 f7 c3 00 00 [ 967.664655] RSP: 0000:ffffad3040233e68 EFLAGS: 00000293 [ 967.664925] RAX: 0000000000000001 RBX: 00007f276e95de40 RCX: 0000000000000000 [ 967.665289] RDX: 0000000000000001 RSI: ffffffff8afbbb61 RDI: ffff99214654eb48 [ 967.665653] RBP: ffffffff8afbbab3 R08: 0000000000000000 R09: 0000000000000000 [ 967.666016] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 967.666378] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 967.666743] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 967.667155] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 967.667450] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 967.667814] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 967.668179] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 967.668544] PKRU: 55555554 [ 967.668687] Call Trace: [ 967.668821] <IRQ> [ 967.668935] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 967.669167] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 967.669403] ? cpuacct_charge+0x3e/0x120 [ 967.669612] ? lock_release+0x1d3/0x270 [ 967.669816] ? lock_acquire+0x179/0x2b0 [ 967.670016] ? cpuacct_account_field+0x23/0xf0 [ 967.670249] ? update_process_times+0x5f/0x90 [ 967.670476] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 967.670755] ? tick_sched_handle+0x33/0x50 [ 967.670967] ? tick_nohz_highres_handler+0x71/0x90 [ 967.671216] ? __hrtimer_run_queues+0x86/0x390 [ 967.671450] ? hrtimer_interrupt+0x100/0x240 [ 967.671674] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 967.671944] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 967.672206] </IRQ> [ 967.672320] <TASK> [ 967.672436] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 967.672712] ? lock_vma_under_rcu+0xb3/0x4a0 [ 967.672936] ? lock_vma_under_rcu+0x161/0x4a0 [ 967.673164] ? __rcu_read_unlock+0x49/0x1b0 [ 967.673379] ? lock_vma_under_rcu+0xb3/0x4a0 [ 967.673607] lock_vma_under_rcu+0x16f/0x4a0 [ 967.673823] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 967.674069] do_user_addr_fault+0x138/0x830 [ 967.674306] exc_page_fault+0x6e/0x1d0 [ 967.674505] asm_exc_page_fault+0x26/0x30 [ 967.674717] RIP: 0033:0x7f276e95de40 [ 967.674910] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 967.675226] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 967.675493] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 967.675856] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 967.676218] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 967.676580] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 967.676956] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 967.677321] </TASK> [ 1045.681303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 1045.681634] rcu: 2-....: (412159 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=93768 [ 1045.682134] rcu: (t=416097 jiffies g=162497 q=2409 ncpus=4) [ 1045.682429] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 1045.682880] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1045.683456] RIP: 0010:lock_release+0x3d/0x270 [ 1045.683693] Code: 48 83 ec 18 65 48 8b 04 25 28 00 00 00 48 89 44 24 10 31 c0 0f 1f 44 00 00 65 8b 05 99 a4 26 75 89 c0 48 0f a3 05 d3 45 ad 01 <0f> 82 8b 01 00 00 8b 3d 4f 57 ad 01 85 ff 0f 84 f4 00 00 00 65 8b [ 1045.684635] RSP: 0000:ffffad3040233e30 EFLAGS: 00000247 [ 1045.684903] RAX: 0000000000000002 RBX: 00007f276e95de40 RCX: ffffffff8afbbab3 [ 1045.685267] RDX: 0000000000000000 RSI: ffffffff8afbbb61 RDI: ffff99214654ebb8 [ 1045.685628] RBP: ffff99214654ebb8 R08: 0000000000000000 R09: 0000000000000000 [ 1045.685989] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 1045.686353] R13: 00007f276e95de40 R14: ffffffff8afbbb61 R15: 0000000000000000 [ 1045.686717] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 1045.687126] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1045.687421] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 1045.687785] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1045.688147] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1045.688510] PKRU: 55555554 [ 1045.688654] Call Trace: [ 1045.688788] <IRQ> [ 1045.688900] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 1045.689132] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 1045.689371] ? cpuacct_charge+0x3e/0x120 [ 1045.689578] ? lock_release+0x1d3/0x270 [ 1045.689778] ? lock_acquire+0x179/0x2b0 [ 1045.689977] ? cpuacct_account_field+0x23/0xf0 [ 1045.690210] ? update_process_times+0x5f/0x90 [ 1045.690439] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 1045.690714] ? tick_sched_handle+0x33/0x50 [ 1045.690926] ? tick_nohz_highres_handler+0x71/0x90 [ 1045.691174] ? __hrtimer_run_queues+0x86/0x390 [ 1045.691408] ? hrtimer_interrupt+0x100/0x240 [ 1045.691632] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 1045.691901] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 1045.692161] </IRQ> [ 1045.692276] <TASK> [ 1045.692393] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 1045.692665] ? lock_vma_under_rcu+0x161/0x4a0 [ 1045.692896] ? lock_vma_under_rcu+0xb3/0x4a0 [ 1045.693117] ? lock_vma_under_rcu+0x161/0x4a0 [ 1045.693347] ? lock_release+0x3d/0x270 [ 1045.693544] ? lock_vma_under_rcu+0xb3/0x4a0 [ 1045.693772] up_read+0x1b/0x30 [ 1045.693936] ? lock_vma_under_rcu+0xb3/0x4a0 [ 1045.694161] lock_vma_under_rcu+0x161/0x4a0 [ 1045.694378] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 1045.694625] do_user_addr_fault+0x138/0x830 [ 1045.694844] exc_page_fault+0x6e/0x1d0 [ 1045.695043] asm_exc_page_fault+0x26/0x30 [ 1045.695256] RIP: 0033:0x7f276e95de40 [ 1045.695450] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 1045.695771] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 1045.696038] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 1045.696402] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 1045.696765] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 1045.697126] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 1045.697490] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 1045.697856] </TASK> [ 1123.701303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 1123.701629] rcu: 2-....: (490164 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=111345 [ 1123.702133] rcu: (t=494117 jiffies g=162497 q=2428 ncpus=4) [ 1123.702425] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 1123.702878] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1123.703461] RIP: 0010:lock_acquire+0x4a/0x2b0 [ 1123.703692] Code: 48 83 ec 38 65 48 8b 04 25 28 00 00 00 48 89 44 24 30 31 c0 0f 1f 44 00 00 65 8b 05 5c a1 26 75 89 c0 48 0f a3 05 96 42 ad 01 <0f> 82 20 01 00 00 8b 0d 12 54 ad 01 85 c9 0f 84 83 00 00 00 65 8b [ 1123.704622] RSP: 0000:ffffad3040233df8 EFLAGS: 00000247 [ 1123.704890] RAX: 0000000000000002 RBX: 0000000000000001 RCX: 0000000000000001 [ 1123.705253] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff99214654ebb8 [ 1123.705616] RBP: ffff99214654ebb8 R08: 0000000000000001 R09: 0000000000000000 [ 1123.705976] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 1123.706340] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 1123.706707] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 1123.707117] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1123.707445] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 1123.707809] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1123.708172] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1123.708534] PKRU: 55555554 [ 1123.708679] Call Trace: [ 1123.708811] <IRQ> [ 1123.708925] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 1123.709154] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 1123.709392] ? cpuacct_charge+0x3e/0x120 [ 1123.709597] ? lock_release+0x1d3/0x270 [ 1123.709798] ? lock_acquire+0x179/0x2b0 [ 1123.710000] ? cpuacct_account_field+0x23/0xf0 [ 1123.710230] ? update_process_times+0x5f/0x90 [ 1123.710463] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 1123.710736] ? tick_sched_handle+0x33/0x50 [ 1123.710951] ? tick_nohz_highres_handler+0x71/0x90 [ 1123.711198] ? __hrtimer_run_queues+0x86/0x390 [ 1123.711430] ? hrtimer_interrupt+0x100/0x240 [ 1123.711655] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 1123.711923] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 1123.712183] </IRQ> [ 1123.712298] <TASK> [ 1123.712415] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 1123.712688] ? lock_acquire+0x4a/0x2b0 [ 1123.712883] ? lock_acquire+0x179/0x2b0 [ 1123.713086] ? mtree_range_walk+0x72/0x350 [ 1123.713298] ? lock_vma_under_rcu+0xb3/0x4a0 [ 1123.713531] down_read_trylock+0xb5/0x140 [ 1123.713742] ? lock_vma_under_rcu+0xdb/0x4a0 [ 1123.713963] lock_vma_under_rcu+0xdb/0x4a0 [ 1123.714178] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 1123.714426] do_user_addr_fault+0x138/0x830 [ 1123.714646] exc_page_fault+0x6e/0x1d0 [ 1123.714842] asm_exc_page_fault+0x26/0x30 [ 1123.715055] RIP: 0033:0x7f276e95de40 [ 1123.715247] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 1123.715563] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 1123.715831] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 1123.716192] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 1123.716554] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 1123.716916] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 1123.717278] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 1123.717642] </TASK> [ 1201.721302] rcu: INFO: rcu_preempt self-detected stall on CPU [ 1201.721627] rcu: 2-....: (568169 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=129023 [ 1201.722131] rcu: (t=572137 jiffies g=162497 q=2448 ncpus=4) [ 1201.722426] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 1201.722876] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1201.723463] RIP: 0010:mtree_range_walk+0x1a4/0x350 [ 1201.723715] Code: 24 10 31 c0 49 8d 95 80 00 00 00 e9 d0 fe ff ff 80 fb 01 0f 86 5f 01 00 00 b8 08 00 00 00 41 be 01 00 00 00 eb 0d 41 83 c6 01 <48> 83 c0 08 44 38 f3 74 3f 4c 8b 3c 02 49 39 f7 72 ea 41 0f b6 f6 [ 1201.724651] RSP: 0000:ffffad3040233e08 EFLAGS: 00000206 [ 1201.724919] RAX: 0000000000000040 RBX: 000000000000000e RCX: ffffffffffffffff [ 1201.725282] RDX: ffff992144b55008 RSI: 00007f276d19f000 RDI: 0000000000000001 [ 1201.725646] RBP: ffffad3040233e88 R08: 0000000000000000 R09: 0000000000000000 [ 1201.726007] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144b5500c [ 1201.726370] R13: ffff992144b55000 R14: 0000000000000009 R15: 00005647bbe3dfff [ 1201.726739] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 1201.727146] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1201.727443] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 1201.727805] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1201.728166] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1201.728527] PKRU: 55555554 [ 1201.728672] Call Trace: [ 1201.728806] <IRQ> [ 1201.728917] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 1201.729149] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 1201.729387] ? cpuacct_charge+0x3e/0x120 [ 1201.729591] ? lock_release+0x1d3/0x270 [ 1201.729792] ? lock_acquire+0x179/0x2b0 [ 1201.729992] ? cpuacct_account_field+0x23/0xf0 [ 1201.730223] ? update_process_times+0x5f/0x90 [ 1201.730453] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 1201.730727] ? tick_sched_handle+0x33/0x50 [ 1201.730939] ? tick_nohz_highres_handler+0x71/0x90 [ 1201.731186] ? __hrtimer_run_queues+0x86/0x390 [ 1201.731418] ? hrtimer_interrupt+0x100/0x240 [ 1201.731642] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 1201.731909] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 1201.732167] </IRQ> [ 1201.732282] <TASK> [ 1201.732398] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 1201.732671] ? mtree_range_walk+0x1a4/0x350 [ 1201.732887] ? mtree_range_walk+0x72/0x350 [ 1201.733106] ? lock_acquire+0x179/0x2b0 [ 1201.733305] ? lock_release+0x1d3/0x270 [ 1201.733505] ? lock_vma_under_rcu+0xb3/0x4a0 [ 1201.733731] mas_walk+0x104/0x1f0 [ 1201.733907] lock_vma_under_rcu+0x18a/0x4a0 [ 1201.734124] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 1201.734371] do_user_addr_fault+0x138/0x830 [ 1201.734589] exc_page_fault+0x6e/0x1d0 [ 1201.734786] asm_exc_page_fault+0x26/0x30 [ 1201.734999] RIP: 0033:0x7f276e95de40 [ 1201.735192] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 1201.735507] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 1201.735773] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 1201.736134] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 1201.736496] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 1201.736859] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 1201.737221] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 1201.737586] </TASK> [ 1279.741303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 1279.741631] rcu: 2-....: (646174 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=146403 [ 1279.742135] rcu: (t=650157 jiffies g=162497 q=2467 ncpus=4) [ 1279.742428] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 1279.742883] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1279.743457] RIP: 0010:__rcu_read_unlock+0xd/0x1b0 [ 1279.743706] Code: 00 00 eb d1 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 41 56 41 55 <41> 54 55 65 48 8b 2c 25 00 f1 02 00 53 83 ad fc 03 00 00 01 75 0a [ 1279.744645] RSP: 0000:ffffad3040233e70 EFLAGS: 00000246 [ 1279.744913] RAX: 0000000000000000 RBX: 00007f276e95de40 RCX: 0000000000000000 [ 1279.745280] RDX: 0000000000000001 RSI: ffffffff8afbbb61 RDI: ffff99214654eb48 [ 1279.745642] RBP: ffffffff8afbbab3 R08: 0000000000000000 R09: 0000000000000000 [ 1279.746004] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 1279.746366] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 1279.746728] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 1279.747137] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1279.747433] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 1279.747795] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1279.748155] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1279.748518] PKRU: 55555554 [ 1279.748660] Call Trace: [ 1279.748794] <IRQ> [ 1279.748907] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 1279.749139] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 1279.749377] ? cpuacct_charge+0x3e/0x120 [ 1279.749583] ? lock_release+0x1d3/0x270 [ 1279.749784] ? lock_acquire+0x179/0x2b0 [ 1279.749983] ? cpuacct_account_field+0x23/0xf0 [ 1279.750220] ? update_process_times+0x5f/0x90 [ 1279.750451] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 1279.750726] ? tick_sched_handle+0x33/0x50 [ 1279.750936] ? tick_nohz_highres_handler+0x71/0x90 [ 1279.751184] ? __hrtimer_run_queues+0x86/0x390 [ 1279.751419] ? hrtimer_interrupt+0x100/0x240 [ 1279.751643] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 1279.751913] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 1279.752175] </IRQ> [ 1279.752289] <TASK> [ 1279.752404] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 1279.752682] ? lock_vma_under_rcu+0xb3/0x4a0 [ 1279.752906] ? lock_vma_under_rcu+0x161/0x4a0 [ 1279.753134] ? __rcu_read_unlock+0xd/0x1b0 [ 1279.753346] lock_vma_under_rcu+0x16f/0x4a0 [ 1279.753566] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 1279.753812] do_user_addr_fault+0x138/0x830 [ 1279.754033] exc_page_fault+0x6e/0x1d0 [ 1279.754228] asm_exc_page_fault+0x26/0x30 [ 1279.754444] RIP: 0033:0x7f276e95de40 [ 1279.754637] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 1279.754952] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 1279.755219] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 1279.755582] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 1279.755942] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 1279.756304] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 1279.756668] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 1279.757033] </TASK> [ 1357.760303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 1357.760629] rcu: 2-....: (724179 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=164269 [ 1357.761138] rcu: (t=728176 jiffies g=162497 q=2487 ncpus=4) [ 1357.761436] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 1357.761888] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1357.762476] RIP: 0010:rcu_is_watching+0x0/0x40 [ 1357.762712] Code: 08 03 00 48 03 04 fd 20 6a 3b 8c 48 89 90 70 01 00 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 65 ff 05 dd 71 23 75 48 c7 c0 20 b2 02 00 65 48 03 05 [ 1357.763638] RSP: 0000:ffffad3040233e28 EFLAGS: 00000247 [ 1357.763906] RAX: 0000000000000002 RBX: 00007f276e95de40 RCX: ffffffff8afbbab3 [ 1357.764268] RDX: 0000000000000000 RSI: ffffffff8afbbb61 RDI: ffff99214654ebb8 [ 1357.764630] RBP: ffff99214654ebb8 R08: 0000000000000000 R09: 0000000000000000 [ 1357.764989] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 1357.765350] R13: 00007f276e95de40 R14: ffffffff8afbbb61 R15: 0000000000000000 [ 1357.765713] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 1357.766119] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1357.766413] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 1357.766794] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1357.767157] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1357.767514] PKRU: 55555554 [ 1357.767664] Call Trace: [ 1357.767797] <IRQ> [ 1357.767910] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 1357.768138] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 1357.768383] ? cpuacct_charge+0x3e/0x120 [ 1357.768589] ? lock_release+0x1d3/0x270 [ 1357.768795] ? lock_acquire+0x179/0x2b0 [ 1357.768995] ? cpuacct_account_field+0x23/0xf0 [ 1357.769228] ? update_process_times+0x5f/0x90 [ 1357.769457] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 1357.769738] ? tick_sched_handle+0x33/0x50 [ 1357.769955] ? tick_nohz_highres_handler+0x71/0x90 [ 1357.770205] ? __hrtimer_run_queues+0x86/0x390 [ 1357.770441] ? hrtimer_interrupt+0x100/0x240 [ 1357.770667] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 1357.770937] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 1357.771197] </IRQ> [ 1357.771313] <TASK> [ 1357.771428] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 1357.771701] ? lock_vma_under_rcu+0x161/0x4a0 [ 1357.771932] ? lock_vma_under_rcu+0xb3/0x4a0 [ 1357.772161] ? lock_vma_under_rcu+0x161/0x4a0 [ 1357.772389] ? __pfx_rcu_is_watching+0x10/0x10 [ 1357.772622] lock_release+0x1d3/0x270 [ 1357.772814] ? lock_vma_under_rcu+0xb3/0x4a0 [ 1357.773035] up_read+0x1b/0x30 [ 1357.773201] ? lock_vma_under_rcu+0xb3/0x4a0 [ 1357.773423] lock_vma_under_rcu+0x161/0x4a0 [ 1357.773640] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 1357.773887] do_user_addr_fault+0x138/0x830 [ 1357.774106] exc_page_fault+0x6e/0x1d0 [ 1357.774302] asm_exc_page_fault+0x26/0x30 [ 1357.774517] RIP: 0033:0x7f276e95de40 [ 1357.774719] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 1357.775034] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 1357.775308] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 1357.775675] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 1357.776034] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 1357.776402] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 1357.776763] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 1357.777133] </TASK> [ 1435.780302] rcu: INFO: rcu_preempt self-detected stall on CPU [ 1435.780627] rcu: 2-....: (802184 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=182197 [ 1435.781130] rcu: (t=806196 jiffies g=162497 q=2506 ncpus=4) [ 1435.781422] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 1435.781877] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1435.782449] RIP: 0010:__up_read+0x68/0x210 [ 1435.782669] Code: f1 02 00 48 89 c2 48 83 e2 fc 48 39 ca 75 0e 48 89 c2 83 e2 03 f0 48 0f b1 55 08 75 e6 48 c7 c0 00 ff ff ff f0 48 0f c1 45 00 <8b> 0d 46 f0 ad 01 48 2d 00 01 00 00 85 c9 75 05 48 85 c0 78 5b 24 [ 1435.783596] RSP: 0000:ffffad3040233e78 EFLAGS: 00000247 [ 1435.783864] RAX: 0000000000000100 RBX: 00007f276e95de40 RCX: ffff992144cdc280 [ 1435.784225] RDX: 0000000000000001 RSI: ffffffff8afbbb61 RDI: ffff99214654eb48 [ 1435.784587] RBP: ffff99214654eb48 R08: 0000000000000000 R09: 0000000000000000 [ 1435.784948] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 1435.785309] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 1435.785680] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 1435.786089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1435.786382] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 1435.786743] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1435.787103] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1435.787464] PKRU: 55555554 [ 1435.787606] Call Trace: [ 1435.787738] <IRQ> [ 1435.787851] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 1435.788084] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 1435.788317] ? cpuacct_charge+0x3e/0x120 [ 1435.788523] ? lock_release+0x1d3/0x270 [ 1435.788724] ? lock_acquire+0x179/0x2b0 [ 1435.788923] ? cpuacct_account_field+0x23/0xf0 [ 1435.789155] ? update_process_times+0x5f/0x90 [ 1435.789381] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 1435.789656] ? tick_sched_handle+0x33/0x50 [ 1435.789867] ? tick_nohz_highres_handler+0x71/0x90 [ 1435.790114] ? __hrtimer_run_queues+0x86/0x390 [ 1435.790346] ? hrtimer_interrupt+0x100/0x240 [ 1435.790568] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 1435.790836] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 1435.791094] </IRQ> [ 1435.791206] <TASK> [ 1435.791321] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 1435.791596] ? lock_vma_under_rcu+0x161/0x4a0 [ 1435.791828] ? __up_read+0x68/0x210 [ 1435.792012] ? up_read+0x1b/0x30 [ 1435.792184] ? lock_vma_under_rcu+0xb3/0x4a0 [ 1435.792405] lock_vma_under_rcu+0x161/0x4a0 [ 1435.792622] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 1435.792868] do_user_addr_fault+0x138/0x830 [ 1435.793086] exc_page_fault+0x6e/0x1d0 [ 1435.793281] asm_exc_page_fault+0x26/0x30 [ 1435.793494] RIP: 0033:0x7f276e95de40 [ 1435.793685] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 1435.793998] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 1435.794265] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 1435.794626] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 1435.794984] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 1435.795344] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 1435.795705] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 1435.796068] </TASK> [ 1513.799303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 1513.799630] rcu: 2-....: (880189 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=199884 [ 1513.800135] rcu: (t=884215 jiffies g=162497 q=2526 ncpus=4) [ 1513.800431] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 1513.800882] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1513.801461] RIP: 0010:__up_read+0x68/0x210 [ 1513.801681] Code: f1 02 00 48 89 c2 48 83 e2 fc 48 39 ca 75 0e 48 89 c2 83 e2 03 f0 48 0f b1 55 08 75 e6 48 c7 c0 00 ff ff ff f0 48 0f c1 45 00 <8b> 0d 46 f0 ad 01 48 2d 00 01 00 00 85 c9 75 05 48 85 c0 78 5b 24 [ 1513.802609] RSP: 0000:ffffad3040233e78 EFLAGS: 00000247 [ 1513.802876] RAX: 0000000000000100 RBX: 00007f276e95de40 RCX: ffff992144cdc280 [ 1513.803240] RDX: 0000000000000001 RSI: ffffffff8afbbb61 RDI: ffff99214654eb48 [ 1513.803607] RBP: ffff99214654eb48 R08: 0000000000000000 R09: 0000000000000000 [ 1513.803969] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 1513.804328] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 1513.804692] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 1513.805101] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1513.805394] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 1513.805758] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1513.806123] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1513.806485] PKRU: 55555554 [ 1513.806627] Call Trace: [ 1513.806760] <IRQ> [ 1513.806874] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 1513.807106] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 1513.807340] ? cpuacct_charge+0x3e/0x120 [ 1513.807547] ? lock_release+0x1d3/0x270 [ 1513.807749] ? lock_acquire+0x179/0x2b0 [ 1513.807949] ? cpuacct_account_field+0x23/0xf0 [ 1513.808181] ? update_process_times+0x5f/0x90 [ 1513.808408] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 1513.808684] ? tick_sched_handle+0x33/0x50 [ 1513.808896] ? tick_nohz_highres_handler+0x71/0x90 [ 1513.809144] ? __hrtimer_run_queues+0x86/0x390 [ 1513.809378] ? hrtimer_interrupt+0x100/0x240 [ 1513.809601] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 1513.809870] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 1513.810130] </IRQ> [ 1513.810243] <TASK> [ 1513.810358] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 1513.810631] ? lock_vma_under_rcu+0x161/0x4a0 [ 1513.810860] ? __up_read+0x68/0x210 [ 1513.811044] ? up_read+0x1b/0x30 [ 1513.811215] ? lock_vma_under_rcu+0xb3/0x4a0 [ 1513.811441] lock_vma_under_rcu+0x161/0x4a0 [ 1513.811661] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 1513.811907] do_user_addr_fault+0x138/0x830 [ 1513.812126] exc_page_fault+0x6e/0x1d0 [ 1513.812321] asm_exc_page_fault+0x26/0x30 [ 1513.812535] RIP: 0033:0x7f276e95de40 [ 1513.812728] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 1513.813041] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 1513.813308] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 1513.813668] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 1513.814028] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 1513.814390] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 1513.814749] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 1513.815113] </TASK> [ 1591.818303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 1591.818627] rcu: 2-....: (958194 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=217399 [ 1591.819130] rcu: (t=962234 jiffies g=162497 q=2545 ncpus=4) [ 1591.819420] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 1591.819870] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1591.820444] RIP: 0010:down_read_trylock+0x80/0x140 [ 1591.820699] Code: 08 65 48 8b 14 25 00 f1 02 00 83 e0 02 48 09 d0 48 83 c8 01 48 89 43 08 b8 01 00 00 00 65 ff 0d 8e 45 27 75 0f 84 a8 00 00 00 <83> f8 01 74 0a 48 83 c4 08 5b c3 cc cc cc cc 89 44 24 04 48 8d 7b [ 1591.821637] RSP: 0000:ffffad3040233e70 EFLAGS: 00000246 [ 1591.821905] RAX: 0000000000000001 RBX: ffff99214654eb48 RCX: 8000000000000007 [ 1591.822266] RDX: ffff992144cdc280 RSI: 000000000000000c RDI: ffff99214654eb48 [ 1591.822628] RBP: ffffffff8afbbab3 R08: 0000000000000000 R09: 0000000000000000 [ 1591.822989] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 1591.823350] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 1591.823714] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 1591.824121] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1591.824417] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 1591.824780] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1591.825141] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1591.825501] PKRU: 55555554 [ 1591.825645] Call Trace: [ 1591.825778] <IRQ> [ 1591.825891] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 1591.826120] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 1591.826358] ? cpuacct_charge+0x3e/0x120 [ 1591.826562] ? lock_release+0x1d3/0x270 [ 1591.826765] ? lock_acquire+0x179/0x2b0 [ 1591.826966] ? cpuacct_account_field+0x23/0xf0 [ 1591.827196] ? update_process_times+0x5f/0x90 [ 1591.827423] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 1591.827695] ? tick_sched_handle+0x33/0x50 [ 1591.827909] ? tick_nohz_highres_handler+0x71/0x90 [ 1591.828156] ? __hrtimer_run_queues+0x86/0x390 [ 1591.828386] ? hrtimer_interrupt+0x100/0x240 [ 1591.828610] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 1591.828879] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 1591.829136] </IRQ> [ 1591.829250] <TASK> [ 1591.829367] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 1591.829638] ? lock_vma_under_rcu+0xb3/0x4a0 [ 1591.829864] ? down_read_trylock+0x80/0x140 [ 1591.830080] lock_vma_under_rcu+0xdb/0x4a0 [ 1591.830294] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 1591.830539] do_user_addr_fault+0x138/0x830 [ 1591.830759] exc_page_fault+0x6e/0x1d0 [ 1591.830960] asm_exc_page_fault+0x26/0x30 [ 1591.831172] RIP: 0033:0x7f276e95de40 [ 1591.831364] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 1591.831678] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 1591.831946] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 1591.832306] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 1591.832666] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 1591.833027] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 1591.833388] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 1591.833749] </TASK> [ 1669.837303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 1669.837629] rcu: 2-....: (1036199 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=234133 [ 1669.838137] rcu: (t=1040253 jiffies g=162497 q=2565 ncpus=4) [ 1669.838433] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 1669.838883] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1669.839460] RIP: 0010:mtree_range_walk+0x1b1/0x350 [ 1669.839714] Code: fe ff ff 80 fb 01 0f 86 5f 01 00 00 b8 08 00 00 00 41 be 01 00 00 00 eb 0d 41 83 c6 01 48 83 c0 08 44 38 f3 74 3f 4c 8b 3c 02 <49> 39 f7 72 ea 41 0f b6 f6 83 ee 01 48 63 f6 48 8b 0c f2 48 83 c1 [ 1669.840650] RSP: 0000:ffffad3040233e08 EFLAGS: 00000202 [ 1669.840919] RAX: 0000000000000030 RBX: 000000000000000e RCX: ffffffffffffffff [ 1669.841282] RDX: ffff992144b55008 RSI: 00007f276d19f000 RDI: 0000000000000001 [ 1669.841644] RBP: ffffad3040233e88 R08: 0000000000000000 R09: 0000000000000000 [ 1669.842004] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144b5500c [ 1669.842365] R13: ffff992144b55000 R14: 0000000000000006 R15: 00005647bbd75fff [ 1669.842730] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 1669.843138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1669.843432] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 1669.843795] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1669.844158] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1669.844519] PKRU: 55555554 [ 1669.844664] Call Trace: [ 1669.844797] <IRQ> [ 1669.844911] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 1669.845141] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 1669.845378] ? cpuacct_charge+0x3e/0x120 [ 1669.845584] ? lock_release+0x1d3/0x270 [ 1669.845788] ? lock_acquire+0x179/0x2b0 [ 1669.845990] ? cpuacct_account_field+0x23/0xf0 [ 1669.846220] ? update_process_times+0x5f/0x90 [ 1669.846449] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 1669.846721] ? tick_sched_handle+0x33/0x50 [ 1669.846936] ? tick_nohz_highres_handler+0x71/0x90 [ 1669.847184] ? __hrtimer_run_queues+0x86/0x390 [ 1669.847414] ? hrtimer_interrupt+0x100/0x240 [ 1669.847641] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 1669.847910] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 1669.848168] </IRQ> [ 1669.848283] <TASK> [ 1669.848399] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 1669.848673] ? mtree_range_walk+0x1b1/0x350 [ 1669.848892] ? mtree_range_walk+0x72/0x350 [ 1669.849102] ? lock_acquire+0x179/0x2b0 [ 1669.849302] ? lock_release+0x1d3/0x270 [ 1669.849503] ? lock_vma_under_rcu+0xb3/0x4a0 [ 1669.849729] mas_walk+0x104/0x1f0 [ 1669.849905] lock_vma_under_rcu+0x18a/0x4a0 [ 1669.850121] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 1669.850369] do_user_addr_fault+0x138/0x830 [ 1669.850601] exc_page_fault+0x6e/0x1d0 [ 1669.850799] asm_exc_page_fault+0x26/0x30 [ 1669.851012] RIP: 0033:0x7f276e95de40 [ 1669.851205] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 1669.851520] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 1669.851791] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 1669.852158] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 1669.852519] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 1669.852881] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 1669.853241] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 1669.853604] </TASK> [ 1747.856314] rcu: INFO: rcu_preempt self-detected stall on CPU [ 1747.856651] rcu: 2-....: (1114203 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=251452 [ 1747.857158] rcu: (t=1118272 jiffies g=162497 q=2584 ncpus=4) [ 1747.857460] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 1747.857910] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1747.858487] RIP: 0010:rcu_is_watching+0xb/0x40 [ 1747.858727] Code: 48 89 90 70 01 00 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 65 ff 05 dd 71 23 75 <48> c7 c0 20 b2 02 00 65 48 03 05 e6 da 21 75 8b 00 c1 e8 02 83 e0 [ 1747.859658] RSP: 0000:ffffad3040233e28 EFLAGS: 00000203 [ 1747.859928] RAX: 0000000000000002 RBX: 00007f276e95de40 RCX: ffffffff8afbbab3 [ 1747.860302] RDX: 0000000000000000 RSI: ffffffff8afbbb61 RDI: ffff99214654ebb8 [ 1747.860663] RBP: ffff99214654ebb8 R08: 0000000000000000 R09: 0000000000000000 [ 1747.861024] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 1747.861388] R13: 00007f276e95de40 R14: ffffffff8afbbb61 R15: 0000000000000000 [ 1747.861754] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 1747.862162] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1747.862456] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 1747.862817] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1747.863177] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1747.863539] PKRU: 55555554 [ 1747.863681] Call Trace: [ 1747.863820] <IRQ> [ 1747.863937] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 1747.864166] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 1747.864405] ? cpuacct_charge+0x3e/0x120 [ 1747.864610] ? lock_release+0x1d3/0x270 [ 1747.864812] ? lock_acquire+0x179/0x2b0 [ 1747.865014] ? cpuacct_account_field+0x23/0xf0 [ 1747.865243] ? update_process_times+0x5f/0x90 [ 1747.865474] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 1747.865748] ? tick_sched_handle+0x33/0x50 [ 1747.865961] ? tick_nohz_highres_handler+0x71/0x90 [ 1747.866207] ? __hrtimer_run_queues+0x86/0x390 [ 1747.866439] ? hrtimer_interrupt+0x100/0x240 [ 1747.866664] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 1747.866933] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 1747.867193] </IRQ> [ 1747.867308] <TASK> [ 1747.867424] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 1747.867695] ? lock_vma_under_rcu+0x161/0x4a0 [ 1747.867926] ? lock_vma_under_rcu+0xb3/0x4a0 [ 1747.868146] ? lock_vma_under_rcu+0x161/0x4a0 [ 1747.868375] ? rcu_is_watching+0xb/0x40 [ 1747.868574] lock_release+0x1d3/0x270 [ 1747.868765] ? lock_vma_under_rcu+0xb3/0x4a0 [ 1747.868989] up_read+0x1b/0x30 [ 1747.869153] ? lock_vma_under_rcu+0xb3/0x4a0 [ 1747.869376] lock_vma_under_rcu+0x161/0x4a0 [ 1747.869593] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 1747.869838] do_user_addr_fault+0x138/0x830 [ 1747.870059] exc_page_fault+0x6e/0x1d0 [ 1747.870262] asm_exc_page_fault+0x26/0x30 [ 1747.870473] RIP: 0033:0x7f276e95de40 [ 1747.870670] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 1747.870984] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 1747.871252] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 1747.871612] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 1747.871972] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 1747.872333] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 1747.872695] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 1747.873056] </TASK> [ 1825.876303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 1825.876638] rcu: 2-....: (1192208 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=269521 [ 1825.877145] rcu: (t=1196292 jiffies g=162497 q=2604 ncpus=4) [ 1825.877446] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 1825.877897] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1825.878472] RIP: 0010:__up_read+0x68/0x210 [ 1825.878693] Code: f1 02 00 48 89 c2 48 83 e2 fc 48 39 ca 75 0e 48 89 c2 83 e2 03 f0 48 0f b1 55 08 75 e6 48 c7 c0 00 ff ff ff f0 48 0f c1 45 00 <8b> 0d 46 f0 ad 01 48 2d 00 01 00 00 85 c9 75 05 48 85 c0 78 5b 24 [ 1825.879618] RSP: 0000:ffffad3040233e78 EFLAGS: 00000247 [ 1825.879895] RAX: 0000000000000100 RBX: 00007f276e95de40 RCX: ffff992144cdc280 [ 1825.880256] RDX: 0000000000000001 RSI: ffffffff8afbbb61 RDI: ffff99214654eb48 [ 1825.880619] RBP: ffff99214654eb48 R08: 0000000000000000 R09: 0000000000000000 [ 1825.880980] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 1825.881342] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 1825.881704] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 1825.882114] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1825.882408] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 1825.882770] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1825.883132] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1825.883495] PKRU: 55555554 [ 1825.883637] Call Trace: [ 1825.883769] <IRQ> [ 1825.883882] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 1825.884114] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 1825.884352] ? cpuacct_charge+0x3e/0x120 [ 1825.884559] ? lock_release+0x1d3/0x270 [ 1825.884760] ? lock_acquire+0x179/0x2b0 [ 1825.884960] ? cpuacct_account_field+0x23/0xf0 [ 1825.885192] ? update_process_times+0x5f/0x90 [ 1825.885419] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 1825.885695] ? tick_sched_handle+0x33/0x50 [ 1825.885906] ? tick_nohz_highres_handler+0x71/0x90 [ 1825.886154] ? __hrtimer_run_queues+0x86/0x390 [ 1825.886392] ? hrtimer_interrupt+0x100/0x240 [ 1825.886615] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 1825.886886] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 1825.887145] </IRQ> [ 1825.887259] <TASK> [ 1825.887373] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 1825.887649] ? lock_vma_under_rcu+0x161/0x4a0 [ 1825.887875] ? __up_read+0x68/0x210 [ 1825.888060] ? up_read+0x1b/0x30 [ 1825.888232] ? lock_vma_under_rcu+0xb3/0x4a0 [ 1825.888455] lock_vma_under_rcu+0x161/0x4a0 [ 1825.888673] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 1825.888920] do_user_addr_fault+0x138/0x830 [ 1825.889138] exc_page_fault+0x6e/0x1d0 [ 1825.889334] asm_exc_page_fault+0x26/0x30 [ 1825.889549] RIP: 0033:0x7f276e95de40 [ 1825.889747] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 1825.890064] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 1825.890332] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 1825.890693] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 1825.891053] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 1825.891414] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 1825.891775] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 1825.892139] </TASK> [ 1903.895303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 1903.895631] rcu: 2-....: (1270213 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=287615 [ 1903.896137] rcu: (t=1274311 jiffies g=162497 q=2623 ncpus=4) [ 1903.896436] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 1903.896887] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1903.897461] RIP: 0010:__up_read+0x59/0x210 [ 1903.897678] Code: 05 b4 3d 27 75 48 8b 45 08 65 48 8b 0c 25 00 f1 02 00 48 89 c2 48 83 e2 fc 48 39 ca 75 0e 48 89 c2 83 e2 03 f0 48 0f b1 55 08 <75> e6 48 c7 c0 00 ff ff ff f0 48 0f c1 45 00 8b 0d 46 f0 ad 01 48 [ 1903.898611] RSP: 0000:ffffad3040233e78 EFLAGS: 00000246 [ 1903.898878] RAX: ffff992144cdc281 RBX: 00007f276e95de40 RCX: ffff992144cdc280 [ 1903.899242] RDX: 0000000000000001 RSI: ffffffff8afbbb61 RDI: ffff99214654eb48 [ 1903.899612] RBP: ffff99214654eb48 R08: 0000000000000000 R09: 0000000000000000 [ 1903.899972] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 1903.900333] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 1903.900696] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 1903.901103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1903.901398] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 1903.901760] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1903.902126] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1903.902485] PKRU: 55555554 [ 1903.902630] Call Trace: [ 1903.902763] <IRQ> [ 1903.902875] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 1903.903103] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 1903.903340] ? cpuacct_charge+0x3e/0x120 [ 1903.903543] ? lock_release+0x1d3/0x270 [ 1903.903743] ? lock_acquire+0x179/0x2b0 [ 1903.903944] ? cpuacct_account_field+0x23/0xf0 [ 1903.904174] ? update_process_times+0x5f/0x90 [ 1903.904403] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 1903.904676] ? tick_sched_handle+0x33/0x50 [ 1903.904889] ? tick_nohz_highres_handler+0x71/0x90 [ 1903.905135] ? __hrtimer_run_queues+0x86/0x390 [ 1903.905366] ? hrtimer_interrupt+0x100/0x240 [ 1903.905590] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 1903.905858] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 1903.906116] </IRQ> [ 1903.906231] <TASK> [ 1903.906347] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 1903.906619] ? lock_vma_under_rcu+0x161/0x4a0 [ 1903.906849] ? __up_read+0x59/0x210 [ 1903.907033] ? up_read+0x1b/0x30 [ 1903.907202] ? lock_vma_under_rcu+0xb3/0x4a0 [ 1903.907425] lock_vma_under_rcu+0x161/0x4a0 [ 1903.907642] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 1903.907887] do_user_addr_fault+0x138/0x830 [ 1903.908109] exc_page_fault+0x6e/0x1d0 [ 1903.908305] asm_exc_page_fault+0x26/0x30 [ 1903.908516] RIP: 0033:0x7f276e95de40 [ 1903.908707] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 1903.909020] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 1903.909286] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 1903.909654] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 1903.910013] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 1903.910373] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 1903.910732] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 1903.911094] </TASK> [ 1981.914302] rcu: INFO: rcu_preempt self-detected stall on CPU [ 1981.914633] rcu: 2-....: (1348218 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=304960 [ 1981.915141] rcu: (t=1352330 jiffies g=162497 q=2643 ncpus=4) [ 1981.915440] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 1981.915891] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1981.916467] RIP: 0010:__up_read+0x68/0x210 [ 1981.916685] Code: f1 02 00 48 89 c2 48 83 e2 fc 48 39 ca 75 0e 48 89 c2 83 e2 03 f0 48 0f b1 55 08 75 e6 48 c7 c0 00 ff ff ff f0 48 0f c1 45 00 <8b> 0d 46 f0 ad 01 48 2d 00 01 00 00 85 c9 75 05 48 85 c0 78 5b 24 [ 1981.917648] RSP: 0000:ffffad3040233e78 EFLAGS: 00000247 [ 1981.917915] RAX: 0000000000000100 RBX: 00007f276e95de40 RCX: ffff992144cdc280 [ 1981.918277] RDX: 0000000000000001 RSI: ffffffff8afbbb61 RDI: ffff99214654eb48 [ 1981.918638] RBP: ffff99214654eb48 R08: 0000000000000000 R09: 0000000000000000 [ 1981.919004] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 1981.919367] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 1981.919730] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 1981.920137] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1981.920433] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 1981.920795] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1981.921156] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1981.921516] PKRU: 55555554 [ 1981.921661] Call Trace: [ 1981.921793] <IRQ> [ 1981.921906] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 1981.922137] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 1981.922377] ? cpuacct_charge+0x3e/0x120 [ 1981.922580] ? lock_release+0x1d3/0x270 [ 1981.922781] ? lock_acquire+0x179/0x2b0 [ 1981.922983] ? cpuacct_account_field+0x23/0xf0 [ 1981.923212] ? update_process_times+0x5f/0x90 [ 1981.923442] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 1981.923716] ? tick_sched_handle+0x33/0x50 [ 1981.923929] ? tick_nohz_highres_handler+0x71/0x90 [ 1981.924175] ? __hrtimer_run_queues+0x86/0x390 [ 1981.924408] ? hrtimer_interrupt+0x100/0x240 [ 1981.924632] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 1981.924902] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 1981.925162] </IRQ> [ 1981.925276] <TASK> [ 1981.925392] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 1981.925664] ? lock_vma_under_rcu+0x161/0x4a0 [ 1981.925894] ? __up_read+0x68/0x210 [ 1981.926078] ? up_read+0x1b/0x30 [ 1981.926248] ? lock_vma_under_rcu+0xb3/0x4a0 [ 1981.926471] lock_vma_under_rcu+0x161/0x4a0 [ 1981.926689] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 1981.926934] do_user_addr_fault+0x138/0x830 [ 1981.927155] exc_page_fault+0x6e/0x1d0 [ 1981.927353] asm_exc_page_fault+0x26/0x30 [ 1981.927564] RIP: 0033:0x7f276e95de40 [ 1981.927761] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 1981.928076] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 1981.928344] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 1981.928705] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 1981.929075] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 1981.929436] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 1981.929796] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 1981.930158] </TASK> [ 2059.933302] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2059.933627] rcu: 2-....: (1426223 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=322856 [ 2059.934139] rcu: (t=1430349 jiffies g=162497 q=2662 ncpus=4) [ 2059.934434] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 2059.934891] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2059.935467] RIP: 0010:mtree_range_walk+0x2ea/0x350 [ 2059.935720] Code: 5d 3f 44 88 75 3d 48 89 45 08 48 8b 44 24 18 4c 89 7d 10 48 89 45 20 48 8b 44 24 28 48 89 45 28 e9 58 ff ff ff 48 39 4c 24 28 <0f> 45 d8 e9 71 fe ff ff 48 89 c1 4c 8b 7c 24 28 b8 08 00 00 00 41 [ 2059.936652] RSP: 0000:ffffad3040233e08 EFLAGS: 00000246 [ 2059.936920] RAX: 000000000000000f RBX: 000000000000000e RCX: ffffffffffffffff [ 2059.937283] RDX: ffff992144b55008 RSI: 00007f276d19f000 RDI: 0000000000000001 [ 2059.937646] RBP: ffffad3040233e88 R08: 0000000000000000 R09: 0000000000000000 [ 2059.938007] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144b5500c [ 2059.938367] R13: ffff992144b55000 R14: ffff992143e79100 R15: 0000000000000000 [ 2059.938739] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 2059.939149] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2059.939443] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 2059.939807] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2059.940168] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2059.940530] PKRU: 55555554 [ 2059.940673] Call Trace: [ 2059.940807] <IRQ> [ 2059.940921] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 2059.941154] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 2059.941390] ? cpuacct_charge+0x3e/0x120 [ 2059.941598] ? lock_release+0x1d3/0x270 [ 2059.941800] ? lock_acquire+0x179/0x2b0 [ 2059.942001] ? cpuacct_account_field+0x23/0xf0 [ 2059.942233] ? update_process_times+0x5f/0x90 [ 2059.942461] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 2059.942739] ? tick_sched_handle+0x33/0x50 [ 2059.942951] ? tick_nohz_highres_handler+0x71/0x90 [ 2059.943199] ? __hrtimer_run_queues+0x86/0x390 [ 2059.943433] ? hrtimer_interrupt+0x100/0x240 [ 2059.943656] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 2059.943924] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 2059.944184] </IRQ> [ 2059.944296] <TASK> [ 2059.944412] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 2059.944686] ? mtree_range_walk+0x2ea/0x350 [ 2059.944903] ? mtree_range_walk+0x72/0x350 [ 2059.945115] ? lock_acquire+0x179/0x2b0 [ 2059.945317] ? lock_release+0x1d3/0x270 [ 2059.945518] ? lock_vma_under_rcu+0xb3/0x4a0 [ 2059.945741] mas_walk+0x104/0x1f0 [ 2059.945917] lock_vma_under_rcu+0x18a/0x4a0 [ 2059.946134] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 2059.946379] do_user_addr_fault+0x138/0x830 [ 2059.946600] exc_page_fault+0x6e/0x1d0 [ 2059.946796] asm_exc_page_fault+0x26/0x30 [ 2059.947011] RIP: 0033:0x7f276e95de40 [ 2059.947203] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 2059.947518] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 2059.947785] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 2059.948145] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 2059.948511] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 2059.948880] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 2059.949240] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 2059.949602] </TASK> [ 2137.953303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2137.953635] rcu: 2-....: (1504228 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=340980 [ 2137.954145] rcu: (t=1508369 jiffies g=162497 q=2682 ncpus=4) [ 2137.954440] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 2137.954894] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2137.955470] RIP: 0010:mtree_range_walk+0x11/0x350 [ 2137.955719] Code: e9 2d ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 41 55 41 54 55 48 89 fd 53 48 83 ec 30 <48> 8b 47 20 4c 8b 67 18 48 89 44 24 18 48 8b 47 28 48 89 44 24 28 [ 2137.956648] RSP: 0000:ffffad3040233e08 EFLAGS: 00000282 [ 2137.956916] RAX: 0000000000000000 RBX: ffffad3040233e88 RCX: 0000000000000000 [ 2137.957279] RDX: 00000000fffffffe RSI: ffffffff8afbbb7d RDI: ffffad3040233e88 [ 2137.957642] RBP: ffffad3040233e88 R08: 0000000000000000 R09: 0000000000000000 [ 2137.958004] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144b55000 [ 2137.958372] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 2137.958737] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 2137.959146] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2137.959439] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 2137.959803] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2137.960165] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2137.960526] PKRU: 55555554 [ 2137.960669] Call Trace: [ 2137.960801] <IRQ> [ 2137.960915] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 2137.961148] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 2137.961385] ? cpuacct_charge+0x3e/0x120 [ 2137.961592] ? lock_release+0x1d3/0x270 [ 2137.961795] ? lock_acquire+0x179/0x2b0 [ 2137.961995] ? cpuacct_account_field+0x23/0xf0 [ 2137.962227] ? update_process_times+0x5f/0x90 [ 2137.962454] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 2137.962729] ? tick_sched_handle+0x33/0x50 [ 2137.962942] ? tick_nohz_highres_handler+0x71/0x90 [ 2137.963189] ? __hrtimer_run_queues+0x86/0x390 [ 2137.963422] ? hrtimer_interrupt+0x100/0x240 [ 2137.963646] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 2137.963914] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 2137.964172] </IRQ> [ 2137.964287] <TASK> [ 2137.964403] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 2137.964677] ? lock_vma_under_rcu+0x17d/0x4a0 [ 2137.964905] ? mtree_range_walk+0x11/0x350 [ 2137.965121] ? mtree_range_walk+0x72/0x350 [ 2137.965333] ? lock_acquire+0x179/0x2b0 [ 2137.965534] ? lock_release+0x1d3/0x270 [ 2137.965733] ? lock_vma_under_rcu+0xb3/0x4a0 [ 2137.965958] mas_walk+0x104/0x1f0 [ 2137.966133] lock_vma_under_rcu+0x18a/0x4a0 [ 2137.966350] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 2137.966596] do_user_addr_fault+0x138/0x830 [ 2137.966815] exc_page_fault+0x6e/0x1d0 [ 2137.967012] asm_exc_page_fault+0x26/0x30 [ 2137.967224] RIP: 0033:0x7f276e95de40 [ 2137.967417] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 2137.967732] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 2137.967997] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 2137.968368] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 2137.968729] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 2137.969089] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 2137.969451] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 2137.969814] </TASK> [ 2215.973303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2215.973628] rcu: 2-....: (1582233 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=358460 [ 2215.974138] rcu: (t=1586389 jiffies g=162497 q=2701 ncpus=4) [ 2215.974437] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 2215.974887] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2215.975464] RIP: 0010:mtree_range_walk+0x1ad/0x350 [ 2215.975716] Code: 00 00 e9 d0 fe ff ff 80 fb 01 0f 86 5f 01 00 00 b8 08 00 00 00 41 be 01 00 00 00 eb 0d 41 83 c6 01 48 83 c0 08 44 38 f3 74 3f <4c> 8b 3c 02 49 39 f7 72 ea 41 0f b6 f6 83 ee 01 48 63 f6 48 8b 0c [ 2215.976652] RSP: 0000:ffffad3040233e08 EFLAGS: 00000202 [ 2215.976922] RAX: 0000000000000018 RBX: 000000000000000e RCX: ffffffffffffffff [ 2215.977285] RDX: ffff992144b55008 RSI: 00007f276d19f000 RDI: 0000000000000001 [ 2215.977648] RBP: ffffad3040233e88 R08: 0000000000000000 R09: 0000000000000000 [ 2215.978014] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144b5500c [ 2215.978376] R13: ffff992144b55000 R14: 0000000000000003 R15: 00005647bb4cefff [ 2215.978739] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 2215.979147] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2215.979443] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 2215.979806] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2215.980166] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2215.980526] PKRU: 55555554 [ 2215.980671] Call Trace: [ 2215.980804] <IRQ> [ 2215.980917] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 2215.981148] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 2215.981387] ? cpuacct_charge+0x3e/0x120 [ 2215.981592] ? lock_release+0x1d3/0x270 [ 2215.981794] ? lock_acquire+0x179/0x2b0 [ 2215.981996] ? cpuacct_account_field+0x23/0xf0 [ 2215.982227] ? update_process_times+0x5f/0x90 [ 2215.982456] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 2215.982729] ? tick_sched_handle+0x33/0x50 [ 2215.982945] ? tick_nohz_highres_handler+0x71/0x90 [ 2215.983192] ? __hrtimer_run_queues+0x86/0x390 [ 2215.983427] ? hrtimer_interrupt+0x100/0x240 [ 2215.983652] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 2215.983921] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 2215.984180] </IRQ> [ 2215.984295] <TASK> [ 2215.984412] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 2215.984685] ? mtree_range_walk+0x1ad/0x350 [ 2215.984902] ? mtree_range_walk+0x72/0x350 [ 2215.985113] ? lock_acquire+0x179/0x2b0 [ 2215.985314] ? lock_release+0x1d3/0x270 [ 2215.985514] ? lock_vma_under_rcu+0xb3/0x4a0 [ 2215.985740] mas_walk+0x104/0x1f0 [ 2215.985915] lock_vma_under_rcu+0x18a/0x4a0 [ 2215.986132] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 2215.986379] do_user_addr_fault+0x138/0x830 [ 2215.986597] exc_page_fault+0x6e/0x1d0 [ 2215.986795] asm_exc_page_fault+0x26/0x30 [ 2215.987006] RIP: 0033:0x7f276e95de40 [ 2215.987199] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 2215.987514] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 2215.987785] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 2215.988148] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 2215.988510] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 2215.988870] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 2215.989232] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 2215.989599] </TASK> [ 2293.993303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2293.993637] rcu: 2-....: (1660238 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=375153 [ 2293.994146] rcu: (t=1664409 jiffies g=162497 q=2721 ncpus=4) [ 2293.994440] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 2293.994893] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2293.995470] RIP: 0010:__up_read+0x68/0x210 [ 2293.995688] Code: f1 02 00 48 89 c2 48 83 e2 fc 48 39 ca 75 0e 48 89 c2 83 e2 03 f0 48 0f b1 55 08 75 e6 48 c7 c0 00 ff ff ff f0 48 0f c1 45 00 <8b> 0d 46 f0 ad 01 48 2d 00 01 00 00 85 c9 75 05 48 85 c0 78 5b 24 [ 2293.996617] RSP: 0000:ffffad3040233e78 EFLAGS: 00000247 [ 2293.996885] RAX: 0000000000000100 RBX: 00007f276e95de40 RCX: ffff992144cdc280 [ 2293.997248] RDX: 0000000000000001 RSI: ffffffff8afbbb61 RDI: ffff99214654eb48 [ 2293.997618] RBP: ffff99214654eb48 R08: 0000000000000000 R09: 0000000000000000 [ 2293.997980] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 2293.998342] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 2293.998705] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 2293.999113] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2293.999409] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 2293.999773] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2294.000132] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2294.000494] PKRU: 55555554 [ 2294.000638] Call Trace: [ 2294.000772] <IRQ> [ 2294.000883] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 2294.001116] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 2294.001355] ? cpuacct_charge+0x3e/0x120 [ 2294.001559] ? lock_release+0x1d3/0x270 [ 2294.001764] ? lock_acquire+0x179/0x2b0 [ 2294.001965] ? cpuacct_account_field+0x23/0xf0 [ 2294.002201] ? update_process_times+0x5f/0x90 [ 2294.002431] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 2294.002704] ? tick_sched_handle+0x33/0x50 [ 2294.002915] ? tick_nohz_highres_handler+0x71/0x90 [ 2294.003163] ? __hrtimer_run_queues+0x86/0x390 [ 2294.003397] ? hrtimer_interrupt+0x100/0x240 [ 2294.003622] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 2294.003891] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 2294.004151] </IRQ> [ 2294.004266] <TASK> [ 2294.004381] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 2294.004655] ? lock_vma_under_rcu+0x161/0x4a0 [ 2294.004884] ? __up_read+0x68/0x210 [ 2294.005068] ? up_read+0x1b/0x30 [ 2294.005238] ? lock_vma_under_rcu+0xb3/0x4a0 [ 2294.005462] lock_vma_under_rcu+0x161/0x4a0 [ 2294.005677] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 2294.005923] do_user_addr_fault+0x138/0x830 [ 2294.006144] exc_page_fault+0x6e/0x1d0 [ 2294.006341] asm_exc_page_fault+0x26/0x30 [ 2294.006554] RIP: 0033:0x7f276e95de40 [ 2294.006746] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 2294.007061] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 2294.007330] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 2294.007698] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 2294.008060] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 2294.008422] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 2294.008781] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 2294.009144] </TASK> [ 2372.012303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2372.012632] rcu: 2-....: (1738243 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=392547 [ 2372.013138] rcu: (t=1742428 jiffies g=162497 q=2740 ncpus=4) [ 2372.013436] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 2372.013886] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2372.014459] RIP: 0010:lock_acquire+0x18/0x2b0 [ 2372.014690] Code: 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 57 4d 89 ca 41 56 41 89 f6 41 55 41 89 d5 41 54 41 89 cc <55> 48 89 fd 53 44 89 c3 48 83 ec 38 65 48 8b 04 25 28 00 00 00 48 [ 2372.015616] RSP: 0000:ffffad3040233e40 EFLAGS: 00000246 [ 2372.015882] RAX: 0000000000000001 RBX: ffff99214654eb48 RCX: 0000000000000001 [ 2372.016244] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff99214654ebb8 [ 2372.016606] RBP: ffffffff8afbbab3 R08: 0000000000000001 R09: 0000000000000000 [ 2372.016967] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 2372.017334] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 2372.017698] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 2372.018107] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2372.018401] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 2372.018763] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2372.019124] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2372.019488] PKRU: 55555554 [ 2372.019630] Call Trace: [ 2372.019763] <IRQ> [ 2372.019877] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 2372.020108] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 2372.020343] ? cpuacct_charge+0x3e/0x120 [ 2372.020551] ? lock_release+0x1d3/0x270 [ 2372.020751] ? lock_acquire+0x179/0x2b0 [ 2372.020951] ? cpuacct_account_field+0x23/0xf0 [ 2372.021187] ? update_process_times+0x5f/0x90 [ 2372.021413] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 2372.021688] ? tick_sched_handle+0x33/0x50 [ 2372.021899] ? tick_nohz_highres_handler+0x71/0x90 [ 2372.022147] ? __hrtimer_run_queues+0x86/0x390 [ 2372.022380] ? hrtimer_interrupt+0x100/0x240 [ 2372.022602] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 2372.022870] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 2372.023129] </IRQ> [ 2372.023243] <TASK> [ 2372.023358] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 2372.023630] ? lock_vma_under_rcu+0xb3/0x4a0 [ 2372.023855] ? lock_acquire+0x18/0x2b0 [ 2372.024051] down_read_trylock+0xb5/0x140 [ 2372.024261] ? lock_vma_under_rcu+0xdb/0x4a0 [ 2372.024483] lock_vma_under_rcu+0xdb/0x4a0 [ 2372.024695] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 2372.024940] do_user_addr_fault+0x138/0x830 [ 2372.025164] exc_page_fault+0x6e/0x1d0 [ 2372.025360] asm_exc_page_fault+0x26/0x30 [ 2372.025575] RIP: 0033:0x7f276e95de40 [ 2372.025766] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 2372.026078] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 2372.026345] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 2372.026703] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 2372.027073] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 2372.027433] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 2372.027792] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 2372.028154] </TASK> [ 2450.031303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2450.031631] rcu: 2-....: (1816248 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=409976 [ 2450.032137] rcu: (t=1820447 jiffies g=162497 q=2760 ncpus=4) [ 2450.032431] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 2450.032881] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2450.033454] RIP: 0010:lock_acquire+0x179/0x2b0 [ 2450.033690] Code: 2d 44 ff ff 5e 5f 4c 8b 14 24 65 ff 0d 38 a0 26 75 0f 85 d3 fe ff ff 0f 1f 44 00 00 e9 c9 fe ff ff 4c 89 14 24 e8 37 2e 03 00 <4c> 8b 14 24 84 c0 0f 85 cb fe ff ff 90 0f 0b 90 e9 c2 fe ff ff 65 [ 2450.034652] RSP: 0000:ffffad3040233df8 EFLAGS: 00000246 [ 2450.034920] RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000001 [ 2450.035281] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff99214654ebb8 [ 2450.035642] RBP: ffff99214654ebb8 R08: 0000000000000001 R09: 0000000000000000 [ 2450.036000] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 2450.036360] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 2450.036730] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 2450.037136] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2450.037431] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 2450.037793] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2450.038154] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2450.038513] PKRU: 55555554 [ 2450.038658] Call Trace: [ 2450.038791] <IRQ> [ 2450.038904] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 2450.039135] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 2450.039372] ? cpuacct_charge+0x3e/0x120 [ 2450.039578] ? lock_release+0x1d3/0x270 [ 2450.039777] ? lock_acquire+0x179/0x2b0 [ 2450.039978] ? cpuacct_account_field+0x23/0xf0 [ 2450.040208] ? update_process_times+0x5f/0x90 [ 2450.040437] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 2450.040711] ? tick_sched_handle+0x33/0x50 [ 2450.040924] ? tick_nohz_highres_handler+0x71/0x90 [ 2450.041170] ? __hrtimer_run_queues+0x86/0x390 [ 2450.041401] ? hrtimer_interrupt+0x100/0x240 [ 2450.041626] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 2450.041893] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 2450.042152] </IRQ> [ 2450.042267] <TASK> [ 2450.042382] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 2450.042655] ? lock_acquire+0x179/0x2b0 [ 2450.042854] ? lock_acquire+0x179/0x2b0 [ 2450.043056] ? mtree_range_walk+0x72/0x350 [ 2450.043268] ? lock_vma_under_rcu+0xb3/0x4a0 [ 2450.043494] down_read_trylock+0xb5/0x140 [ 2450.043705] ? lock_vma_under_rcu+0xdb/0x4a0 [ 2450.043925] lock_vma_under_rcu+0xdb/0x4a0 [ 2450.044140] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 2450.044386] do_user_addr_fault+0x138/0x830 [ 2450.044604] exc_page_fault+0x6e/0x1d0 [ 2450.044799] asm_exc_page_fault+0x26/0x30 [ 2450.045010] RIP: 0033:0x7f276e95de40 [ 2450.045202] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 2450.045516] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 2450.045784] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 2450.046143] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 2450.046503] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 2450.046868] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 2450.047230] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 2450.047593] </TASK> [ 2528.051303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2528.051630] rcu: 2-....: (1894253 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=428054 [ 2528.052136] rcu: (t=1898467 jiffies g=162497 q=2779 ncpus=4) [ 2528.052435] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 2528.052883] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2528.053456] RIP: 0010:mtree_range_walk+0x1ad/0x350 [ 2528.053707] Code: 00 00 e9 d0 fe ff ff 80 fb 01 0f 86 5f 01 00 00 b8 08 00 00 00 41 be 01 00 00 00 eb 0d 41 83 c6 01 48 83 c0 08 44 38 f3 74 3f <4c> 8b 3c 02 49 39 f7 72 ea 41 0f b6 f6 83 ee 01 48 63 f6 48 8b 0c [ 2528.054635] RSP: 0000:ffffad3040233e08 EFLAGS: 00000202 [ 2528.054902] RAX: 0000000000000018 RBX: 000000000000000e RCX: ffffffffffffffff [ 2528.055262] RDX: ffff992144b55008 RSI: 00007f276d19f000 RDI: 0000000000000001 [ 2528.055623] RBP: ffffad3040233e88 R08: 0000000000000000 R09: 0000000000000000 [ 2528.055982] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144b5500c [ 2528.056351] R13: ffff992144b55000 R14: 0000000000000003 R15: 00005647bb4cefff [ 2528.056713] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 2528.057119] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2528.057412] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 2528.057773] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2528.058133] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2528.058493] PKRU: 55555554 [ 2528.058637] Call Trace: [ 2528.058768] <IRQ> [ 2528.058881] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 2528.059109] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 2528.059346] ? cpuacct_charge+0x3e/0x120 [ 2528.059552] ? lock_release+0x1d3/0x270 [ 2528.059754] ? lock_acquire+0x179/0x2b0 [ 2528.059953] ? cpuacct_account_field+0x23/0xf0 [ 2528.060182] ? update_process_times+0x5f/0x90 [ 2528.060410] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 2528.060682] ? tick_sched_handle+0x33/0x50 [ 2528.060895] ? tick_nohz_highres_handler+0x71/0x90 [ 2528.061141] ? __hrtimer_run_queues+0x86/0x390 [ 2528.061371] ? hrtimer_interrupt+0x100/0x240 [ 2528.061594] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 2528.061862] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 2528.062118] </IRQ> [ 2528.062233] <TASK> [ 2528.062348] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 2528.062620] ? mtree_range_walk+0x1ad/0x350 [ 2528.062837] ? mtree_range_walk+0x72/0x350 [ 2528.063046] ? lock_acquire+0x179/0x2b0 [ 2528.063245] ? lock_release+0x1d3/0x270 [ 2528.063446] ? lock_vma_under_rcu+0xb3/0x4a0 [ 2528.063669] mas_walk+0x104/0x1f0 [ 2528.063844] lock_vma_under_rcu+0x18a/0x4a0 [ 2528.064059] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 2528.064304] do_user_addr_fault+0x138/0x830 [ 2528.064524] exc_page_fault+0x6e/0x1d0 [ 2528.064720] asm_exc_page_fault+0x26/0x30 [ 2528.064930] RIP: 0033:0x7f276e95de40 [ 2528.065120] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 2528.065434] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 2528.065699] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 2528.066059] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 2528.066424] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 2528.066783] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 2528.067140] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 2528.067503] </TASK> [ 2606.071303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2606.071631] rcu: 2-....: (1972258 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=446026 [ 2606.072138] rcu: (t=1976487 jiffies g=162497 q=2799 ncpus=4) [ 2606.072435] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 2606.072884] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2606.073459] RIP: 0010:mtree_range_walk+0x17e/0x350 [ 2606.073711] Code: c9 0f 85 8a 01 00 00 41 0f b6 9d f8 00 00 00 4d 8b 7d 08 4c 89 f8 49 39 f7 72 1b 48 8b 44 24 18 45 31 f6 48 89 44 24 10 31 c0 <49> 8d 95 80 00 00 00 e9 d0 fe ff ff 80 fb 01 0f 86 5f 01 00 00 b8 [ 2606.074641] RSP: 0000:ffffad3040233e08 EFLAGS: 00000202 [ 2606.074909] RAX: 0000000000000068 RBX: 000000000000000e RCX: 00007f276d19f000 [ 2606.075271] RDX: ffff992144b55008 RSI: 000000000000000c RDI: 0000000000000001 [ 2606.075636] RBP: ffffad3040233e88 R08: 0000000000000000 R09: 0000000000000000 [ 2606.076002] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144b5500c [ 2606.076365] R13: ffff992144b55000 R14: 000000000000000d R15: ffffffff8ad3c4cf [ 2606.076727] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 2606.077134] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2606.077429] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 2606.077791] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2606.078152] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2606.078513] PKRU: 55555554 [ 2606.078658] Call Trace: [ 2606.078790] <IRQ> [ 2606.078903] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 2606.079134] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 2606.079372] ? cpuacct_charge+0x3e/0x120 [ 2606.079578] ? lock_release+0x1d3/0x270 [ 2606.079781] ? lock_acquire+0x179/0x2b0 [ 2606.079982] ? cpuacct_account_field+0x23/0xf0 [ 2606.080211] ? update_process_times+0x5f/0x90 [ 2606.080441] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 2606.080714] ? tick_sched_handle+0x33/0x50 [ 2606.080927] ? tick_nohz_highres_handler+0x71/0x90 [ 2606.081175] ? __hrtimer_run_queues+0x86/0x390 [ 2606.081406] ? hrtimer_interrupt+0x100/0x240 [ 2606.081631] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 2606.081900] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 2606.082158] </IRQ> [ 2606.082272] <TASK> [ 2606.082388] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 2606.082660] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 2606.082907] ? mtree_range_walk+0x17e/0x350 [ 2606.083123] ? mtree_range_walk+0x72/0x350 [ 2606.083335] ? lock_acquire+0x179/0x2b0 [ 2606.083535] ? lock_release+0x1d3/0x270 [ 2606.083734] ? lock_vma_under_rcu+0xb3/0x4a0 [ 2606.083961] mas_walk+0x104/0x1f0 [ 2606.084137] lock_vma_under_rcu+0x18a/0x4a0 [ 2606.084352] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 2606.084596] do_user_addr_fault+0x138/0x830 [ 2606.084816] exc_page_fault+0x6e/0x1d0 [ 2606.085014] asm_exc_page_fault+0x26/0x30 [ 2606.085225] RIP: 0033:0x7f276e95de40 [ 2606.085418] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 2606.085732] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 2606.086004] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 2606.086366] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 2606.086726] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 2606.087085] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 2606.087446] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 2606.087809] </TASK> [ 2684.091303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2684.091634] rcu: 2-....: (2050263 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=462378 [ 2684.092143] rcu: (t=2054507 jiffies g=162497 q=2818 ncpus=4) [ 2684.092444] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 2684.092897] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2684.093475] RIP: 0010:lock_acquire+0x179/0x2b0 [ 2684.093718] Code: 2d 44 ff ff 5e 5f 4c 8b 14 24 65 ff 0d 38 a0 26 75 0f 85 d3 fe ff ff 0f 1f 44 00 00 e9 c9 fe ff ff 4c 89 14 24 e8 37 2e 03 00 <4c> 8b 14 24 84 c0 0f 85 cb fe ff ff 90 0f 0b 90 e9 c2 fe ff ff 65 [ 2684.094654] RSP: 0000:ffffad3040233df8 EFLAGS: 00000246 [ 2684.094922] RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000001 [ 2684.095285] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff99214654ebb8 [ 2684.095654] RBP: ffff99214654ebb8 R08: 0000000000000001 R09: 0000000000000000 [ 2684.096018] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 2684.096379] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 2684.096744] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 2684.097159] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2684.097452] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 2684.097816] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2684.098179] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2684.098542] PKRU: 55555554 [ 2684.098685] Call Trace: [ 2684.098820] <IRQ> [ 2684.098941] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 2684.099174] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 2684.099413] ? cpuacct_charge+0x3e/0x120 [ 2684.099619] ? lock_release+0x1d3/0x270 [ 2684.099819] ? lock_acquire+0x179/0x2b0 [ 2684.100019] ? cpuacct_account_field+0x23/0xf0 [ 2684.100252] ? update_process_times+0x5f/0x90 [ 2684.100482] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 2684.100756] ? tick_sched_handle+0x33/0x50 [ 2684.100967] ? tick_nohz_highres_handler+0x71/0x90 [ 2684.101215] ? __hrtimer_run_queues+0x86/0x390 [ 2684.101450] ? hrtimer_interrupt+0x100/0x240 [ 2684.101674] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 2684.101944] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 2684.102208] </IRQ> [ 2684.102324] <TASK> [ 2684.102438] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 2684.102714] ? lock_acquire+0x179/0x2b0 [ 2684.102913] ? lock_acquire+0x179/0x2b0 [ 2684.103113] ? mtree_range_walk+0x72/0x350 [ 2684.103329] ? lock_vma_under_rcu+0xb3/0x4a0 [ 2684.103553] down_read_trylock+0xb5/0x140 [ 2684.103764] ? lock_vma_under_rcu+0xdb/0x4a0 [ 2684.103986] lock_vma_under_rcu+0xdb/0x4a0 [ 2684.104199] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 2684.104445] do_user_addr_fault+0x138/0x830 [ 2684.104666] exc_page_fault+0x6e/0x1d0 [ 2684.104863] asm_exc_page_fault+0x26/0x30 [ 2684.105085] RIP: 0033:0x7f276e95de40 [ 2684.105281] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 2684.105606] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 2684.105884] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 2684.106245] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 2684.106608] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 2684.106971] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 2684.107335] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 2684.107696] </TASK> [ 2762.111303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2762.111635] rcu: 2-....: (2128268 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=480554 [ 2762.112143] rcu: (t=2132527 jiffies g=162497 q=2838 ncpus=4) [ 2762.112438] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 2762.112890] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2762.113466] RIP: 0010:__rcu_read_unlock+0x49/0x1b0 [ 2762.113719] Code: 00 01 75 0a 8b 85 00 04 00 00 85 c0 75 27 65 48 8b 04 25 00 f1 02 00 8b 80 fc 03 00 00 3d ff ff ff 3f 0f 87 ab 00 00 00 5b 5d <41> 5c 41 5d 41 5e c3 cc cc cc cc 65 8b 1d 0d ca 22 75 f7 c3 00 00 [ 2762.114651] RSP: 0000:ffffad3040233e68 EFLAGS: 00000293 [ 2762.114919] RAX: 0000000000000001 RBX: 00007f276e95de40 RCX: 0000000000000000 [ 2762.115289] RDX: 0000000000000001 RSI: ffffffff8afbbb61 RDI: ffff99214654eb48 [ 2762.115651] RBP: ffffffff8afbbab3 R08: 0000000000000000 R09: 0000000000000000 [ 2762.116014] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 2762.116374] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 2762.116738] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 2762.117148] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2762.117441] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 2762.117805] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2762.118168] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2762.118534] PKRU: 55555554 [ 2762.118677] Call Trace: [ 2762.118810] <IRQ> [ 2762.118925] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 2762.119156] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 2762.119391] ? cpuacct_charge+0x3e/0x120 [ 2762.119600] ? lock_release+0x1d3/0x270 [ 2762.119803] ? lock_acquire+0x179/0x2b0 [ 2762.120003] ? cpuacct_account_field+0x23/0xf0 [ 2762.120236] ? update_process_times+0x5f/0x90 [ 2762.120464] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 2762.120740] ? tick_sched_handle+0x33/0x50 [ 2762.120952] ? tick_nohz_highres_handler+0x71/0x90 [ 2762.121201] ? __hrtimer_run_queues+0x86/0x390 [ 2762.121434] ? hrtimer_interrupt+0x100/0x240 [ 2762.121656] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 2762.121929] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 2762.122189] </IRQ> [ 2762.122302] <TASK> [ 2762.122418] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 2762.122691] ? lock_vma_under_rcu+0xb3/0x4a0 [ 2762.122916] ? lock_vma_under_rcu+0x161/0x4a0 [ 2762.123144] ? __rcu_read_unlock+0x49/0x1b0 [ 2762.123360] ? lock_vma_under_rcu+0xb3/0x4a0 [ 2762.123584] lock_vma_under_rcu+0x16f/0x4a0 [ 2762.123800] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 2762.124046] do_user_addr_fault+0x138/0x830 [ 2762.124270] exc_page_fault+0x6e/0x1d0 [ 2762.124467] asm_exc_page_fault+0x26/0x30 [ 2762.124680] RIP: 0033:0x7f276e95de40 [ 2762.124873] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 2762.125194] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 2762.125463] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 2762.125825] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 2762.126190] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 2762.126550] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 2762.126912] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 2762.127276] </TASK> [ 2840.131303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2840.131637] rcu: 2-....: (2206273 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=498476 [ 2840.132146] rcu: (t=2210547 jiffies g=162497 q=2857 ncpus=4) [ 2840.132442] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 2840.132894] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2840.133470] RIP: 0010:mtree_range_walk+0x16a/0x350 [ 2840.133725] Code: 08 0f b6 80 96 20 f6 8b 8d 58 ff 0f b6 cb 48 8b 0c ca 48 85 c9 0f 85 8a 01 00 00 41 0f b6 9d f8 00 00 00 4d 8b 7d 08 4c 89 f8 <49> 39 f7 72 1b 48 8b 44 24 18 45 31 f6 48 89 44 24 10 31 c0 49 8d [ 2840.134657] RSP: 0000:ffffad3040233e08 EFLAGS: 00000246 [ 2840.134932] RAX: 00005647bb478fff RBX: 000000000000000e RCX: ffffffffffffffff [ 2840.135294] RDX: ffff992144b55008 RSI: 00007f276d19f000 RDI: 0000000000000001 [ 2840.135657] RBP: ffffad3040233e88 R08: 0000000000000000 R09: 0000000000000000 [ 2840.136020] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144b5500c [ 2840.136383] R13: ffff992144b55000 R14: ffff992143e79100 R15: 00005647bb478fff [ 2840.136748] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 2840.137159] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2840.137456] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 2840.137819] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2840.138184] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2840.138548] PKRU: 55555554 [ 2840.138690] Call Trace: [ 2840.138824] <IRQ> [ 2840.138938] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 2840.139171] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 2840.139408] ? cpuacct_charge+0x3e/0x120 [ 2840.139616] ? lock_release+0x1d3/0x270 [ 2840.139819] ? lock_acquire+0x179/0x2b0 [ 2840.140020] ? cpuacct_account_field+0x23/0xf0 [ 2840.140253] ? update_process_times+0x5f/0x90 [ 2840.140480] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 2840.140756] ? tick_sched_handle+0x33/0x50 [ 2840.140968] ? tick_nohz_highres_handler+0x71/0x90 [ 2840.141221] ? __hrtimer_run_queues+0x86/0x390 [ 2840.141453] ? hrtimer_interrupt+0x100/0x240 [ 2840.141677] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 2840.141946] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 2840.142204] </IRQ> [ 2840.142320] <TASK> [ 2840.142436] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 2840.142710] ? mtree_range_walk+0x16a/0x350 [ 2840.142928] ? mtree_range_walk+0x72/0x350 [ 2840.143139] ? lock_acquire+0x179/0x2b0 [ 2840.143339] ? lock_release+0x1d3/0x270 [ 2840.143541] ? lock_vma_under_rcu+0xb3/0x4a0 [ 2840.143766] mas_walk+0x104/0x1f0 [ 2840.143942] lock_vma_under_rcu+0x18a/0x4a0 [ 2840.144159] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 2840.144405] do_user_addr_fault+0x138/0x830 [ 2840.144628] exc_page_fault+0x6e/0x1d0 [ 2840.144829] asm_exc_page_fault+0x26/0x30 [ 2840.145041] RIP: 0033:0x7f276e95de40 [ 2840.145235] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 2840.145551] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 2840.145818] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 2840.146179] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 2840.146546] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 2840.146908] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 2840.147269] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 2840.147632] </TASK> [ 2918.151303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2918.151632] rcu: 2-....: (2284278 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=516808 [ 2918.152140] rcu: (t=2288567 jiffies g=162497 q=2877 ncpus=4) [ 2918.152439] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 2918.152890] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2918.153466] RIP: 0010:down_read_trylock+0x51/0x140 [ 2918.153721] Code: 00 65 ff 05 d9 45 27 75 48 b9 07 00 00 00 00 00 00 80 48 8b 03 48 85 c8 0f 85 ed 00 00 00 48 8d 90 00 01 00 00 f0 48 0f b1 13 <75> e9 48 8b 43 08 65 48 8b 14 25 00 f1 02 00 83 e0 02 48 09 d0 48 [ 2918.154660] RSP: 0000:ffffad3040233e70 EFLAGS: 00000246 [ 2918.154934] RAX: 0000000000000000 RBX: ffff99214654eb48 RCX: 8000000000000007 [ 2918.155297] RDX: 0000000000000100 RSI: 000000000000000c RDI: ffff99214654eb48 [ 2918.155660] RBP: ffffffff8afbbab3 R08: 0000000000000000 R09: 0000000000000000 [ 2918.156020] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 2918.156385] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 2918.156750] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 2918.157160] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2918.157457] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 2918.157822] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2918.158185] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2918.158546] PKRU: 55555554 [ 2918.158693] Call Trace: [ 2918.158826] <IRQ> [ 2918.158940] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 2918.159170] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 2918.159408] ? cpuacct_charge+0x3e/0x120 [ 2918.159614] ? lock_release+0x1d3/0x270 [ 2918.159817] ? lock_acquire+0x179/0x2b0 [ 2918.160019] ? cpuacct_account_field+0x23/0xf0 [ 2918.160249] ? update_process_times+0x5f/0x90 [ 2918.160480] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 2918.160753] ? tick_sched_handle+0x33/0x50 [ 2918.160967] ? tick_nohz_highres_handler+0x71/0x90 [ 2918.161216] ? __hrtimer_run_queues+0x86/0x390 [ 2918.161449] ? hrtimer_interrupt+0x100/0x240 [ 2918.161675] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 2918.161945] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 2918.162204] </IRQ> [ 2918.162320] <TASK> [ 2918.162436] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 2918.162710] ? lock_vma_under_rcu+0xb3/0x4a0 [ 2918.162938] ? down_read_trylock+0x51/0x140 [ 2918.163155] lock_vma_under_rcu+0xdb/0x4a0 [ 2918.163370] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 2918.163616] do_user_addr_fault+0x138/0x830 [ 2918.163838] exc_page_fault+0x6e/0x1d0 [ 2918.164035] asm_exc_page_fault+0x26/0x30 [ 2918.164247] RIP: 0033:0x7f276e95de40 [ 2918.164446] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 2918.164761] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 2918.165034] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 2918.165395] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 2918.165759] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 2918.166122] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 2918.166488] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 2918.166849] </TASK> [ 2996.170303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 2996.170633] rcu: 2-....: (2362283 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=534700 [ 2996.171140] rcu: (t=2366586 jiffies g=162497 q=2896 ncpus=4) [ 2996.171437] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 2996.171886] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2996.172463] RIP: 0010:lock_release+0x1ce/0x270 [ 2996.172702] Code: 65 ff 0d 1d a3 26 75 0f 85 7b fe ff ff 0f 1f 44 00 00 e9 71 fe ff ff 4c 89 f2 48 89 ee 4c 89 e7 e8 37 a1 ff ff e9 57 ff ff ff <e8> 0d 31 03 00 84 c0 0f 85 68 fe ff ff 90 0f 0b 90 e9 5f fe ff ff [ 2996.173632] RSP: 0000:ffffad3040233e30 EFLAGS: 00000247 [ 2996.173905] RAX: 0000000000000002 RBX: 00007f276e95de40 RCX: ffffffff8afbbab3 [ 2996.174268] RDX: 0000000000000000 RSI: ffffffff8afbbb61 RDI: ffff99214654ebb8 [ 2996.174628] RBP: ffff99214654ebb8 R08: 0000000000000000 R09: 0000000000000000 [ 2996.174992] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 2996.175355] R13: 00007f276e95de40 R14: ffffffff8afbbb61 R15: 0000000000000000 [ 2996.175719] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 2996.176131] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2996.176426] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 2996.176789] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2996.177149] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2996.177519] PKRU: 55555554 [ 2996.177663] Call Trace: [ 2996.177798] <IRQ> [ 2996.177909] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 2996.178141] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 2996.178378] ? cpuacct_charge+0x3e/0x120 [ 2996.178585] ? lock_release+0x1d3/0x270 [ 2996.178785] ? lock_acquire+0x179/0x2b0 [ 2996.178986] ? cpuacct_account_field+0x23/0xf0 [ 2996.179217] ? update_process_times+0x5f/0x90 [ 2996.179449] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 2996.179721] ? tick_sched_handle+0x33/0x50 [ 2996.179933] ? tick_nohz_highres_handler+0x71/0x90 [ 2996.180180] ? __hrtimer_run_queues+0x86/0x390 [ 2996.180415] ? hrtimer_interrupt+0x100/0x240 [ 2996.180639] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 2996.180909] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 2996.181169] </IRQ> [ 2996.181284] <TASK> [ 2996.181400] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 2996.181677] ? lock_vma_under_rcu+0x161/0x4a0 [ 2996.181907] ? lock_vma_under_rcu+0xb3/0x4a0 [ 2996.182129] ? lock_vma_under_rcu+0x161/0x4a0 [ 2996.182357] ? lock_release+0x1ce/0x270 [ 2996.182557] ? lock_vma_under_rcu+0xb3/0x4a0 [ 2996.182781] up_read+0x1b/0x30 [ 2996.182946] ? lock_vma_under_rcu+0xb3/0x4a0 [ 2996.183169] lock_vma_under_rcu+0x161/0x4a0 [ 2996.183385] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 2996.183630] do_user_addr_fault+0x138/0x830 [ 2996.183850] exc_page_fault+0x6e/0x1d0 [ 2996.184053] asm_exc_page_fault+0x26/0x30 [ 2996.184265] RIP: 0033:0x7f276e95de40 [ 2996.184459] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 2996.184773] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 2996.185040] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 2996.185406] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 2996.185768] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 2996.186129] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 2996.186490] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 2996.186853] </TASK> [ 3074.190303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3074.190636] rcu: 2-....: (2440288 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=552947 [ 3074.191146] rcu: (t=2444606 jiffies g=162497 q=2916 ncpus=4) [ 3074.191446] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 3074.191897] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3074.192473] RIP: 0010:lock_release+0x145/0x270 [ 3074.192712] Code: 19 da dd 02 0f 84 bf 00 00 00 b8 ff ff ff ff 65 0f c1 05 be 7c 25 75 83 f8 01 0f 85 d6 00 00 00 41 f7 c5 00 02 00 00 74 01 fb <48> 8b 44 24 10 65 48 2b 04 25 28 00 00 00 0f 85 06 01 00 00 48 83 [ 3074.193652] RSP: 0000:ffffad3040233e40 EFLAGS: 00000246 [ 3074.193920] RAX: 0000000000000001 RBX: 00007f276e95de40 RCX: 0000000000000000 [ 3074.194283] RDX: 0000000000000001 RSI: ffffffff8afbbb7d RDI: 0000000000000000 [ 3074.194644] RBP: ffffffff8c77b8c0 R08: 0000000000000000 R09: 0000000000000000 [ 3074.195006] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 3074.195370] R13: 00007f276e95de40 R14: ffffffff8afbbb7d R15: 0000000000000000 [ 3074.195733] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 3074.196141] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3074.196438] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 3074.196802] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3074.197166] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3074.197528] PKRU: 55555554 [ 3074.197672] Call Trace: [ 3074.197805] <IRQ> [ 3074.197918] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 3074.198149] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 3074.198388] ? cpuacct_charge+0x3e/0x120 [ 3074.198593] ? lock_release+0x1d3/0x270 [ 3074.198793] ? lock_acquire+0x179/0x2b0 [ 3074.198995] ? cpuacct_account_field+0x23/0xf0 [ 3074.199226] ? update_process_times+0x5f/0x90 [ 3074.199456] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 3074.199729] ? tick_sched_handle+0x33/0x50 [ 3074.199942] ? tick_nohz_highres_handler+0x71/0x90 [ 3074.200189] ? __hrtimer_run_queues+0x86/0x390 [ 3074.200422] ? hrtimer_interrupt+0x100/0x240 [ 3074.200647] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 3074.200918] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 3074.201179] </IRQ> [ 3074.201294] <TASK> [ 3074.201410] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 3074.201682] ? lock_vma_under_rcu+0x17d/0x4a0 [ 3074.201914] ? lock_vma_under_rcu+0x17d/0x4a0 [ 3074.202138] ? lock_release+0x145/0x270 [ 3074.202341] ? lock_vma_under_rcu+0xb3/0x4a0 [ 3074.202563] lock_vma_under_rcu+0x182/0x4a0 [ 3074.202786] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 3074.203031] do_user_addr_fault+0x138/0x830 [ 3074.203254] exc_page_fault+0x6e/0x1d0 [ 3074.203451] asm_exc_page_fault+0x26/0x30 [ 3074.203675] RIP: 0033:0x7f276e95de40 [ 3074.203867] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 3074.204181] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 3074.204449] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 3074.204809] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 3074.205170] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 3074.205533] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 3074.205894] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 3074.206257] </TASK> [ 3152.210303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3152.210631] rcu: 2-....: (2518293 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=571104 [ 3152.211139] rcu: (t=2522626 jiffies g=162497 q=2935 ncpus=4) [ 3152.211433] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 3152.211885] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3152.212460] RIP: 0010:__up_read+0x68/0x210 [ 3152.212678] Code: f1 02 00 48 89 c2 48 83 e2 fc 48 39 ca 75 0e 48 89 c2 83 e2 03 f0 48 0f b1 55 08 75 e6 48 c7 c0 00 ff ff ff f0 48 0f c1 45 00 <8b> 0d 46 f0 ad 01 48 2d 00 01 00 00 85 c9 75 05 48 85 c0 78 5b 24 [ 3152.213612] RSP: 0000:ffffad3040233e78 EFLAGS: 00000247 [ 3152.213880] RAX: 0000000000000100 RBX: 00007f276e95de40 RCX: ffff992144cdc280 [ 3152.214241] RDX: 0000000000000001 RSI: ffffffff8afbbb61 RDI: ffff99214654eb48 [ 3152.214600] RBP: ffff99214654eb48 R08: 0000000000000000 R09: 0000000000000000 [ 3152.214964] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 3152.215327] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 3152.215690] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 3152.216098] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3152.216392] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 3152.216755] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3152.217113] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3152.217474] PKRU: 55555554 [ 3152.217618] Call Trace: [ 3152.217751] <IRQ> [ 3152.217861] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 3152.218094] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 3152.218332] ? cpuacct_charge+0x3e/0x120 [ 3152.218536] ? lock_release+0x1d3/0x270 [ 3152.218741] ? lock_acquire+0x179/0x2b0 [ 3152.218939] ? cpuacct_account_field+0x23/0xf0 [ 3152.219171] ? update_process_times+0x5f/0x90 [ 3152.219400] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 3152.219673] ? tick_sched_handle+0x33/0x50 [ 3152.219883] ? tick_nohz_highres_handler+0x71/0x90 [ 3152.220130] ? __hrtimer_run_queues+0x86/0x390 [ 3152.220363] ? hrtimer_interrupt+0x100/0x240 [ 3152.220587] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 3152.220856] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 3152.221114] </IRQ> [ 3152.221229] <TASK> [ 3152.221344] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 3152.221617] ? lock_vma_under_rcu+0x161/0x4a0 [ 3152.221848] ? __up_read+0x68/0x210 [ 3152.222031] ? up_read+0x1b/0x30 [ 3152.222202] ? lock_vma_under_rcu+0xb3/0x4a0 [ 3152.222425] lock_vma_under_rcu+0x161/0x4a0 [ 3152.222640] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 3152.222885] do_user_addr_fault+0x138/0x830 [ 3152.223106] exc_page_fault+0x6e/0x1d0 [ 3152.223309] asm_exc_page_fault+0x26/0x30 [ 3152.223520] RIP: 0033:0x7f276e95de40 [ 3152.223714] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 3152.224028] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 3152.224294] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 3152.224654] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 3152.225014] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 3152.225375] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 3152.225733] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 3152.226096] </TASK> [ 3230.229302] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3230.229636] rcu: 2-....: (2596298 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=588279 [ 3230.230143] rcu: (t=2600645 jiffies g=162497 q=2955 ncpus=4) [ 3230.230438] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 3230.230890] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3230.231464] RIP: 0010:lock_vma_under_rcu+0xc9/0x4a0 [ 3230.231723] Code: 00 00 48 89 e7 e8 f7 d0 ae 00 49 89 c4 48 8d 2d 00 00 00 00 48 85 c0 0f 84 da 00 00 00 8b 50 28 48 8b 40 10 8b 80 d8 01 00 00 <39> c2 0f 84 c5 00 00 00 49 8b 7c 24 30 e8 25 f0 df ff 85 c0 0f 84 [ 3230.232648] RSP: 0000:ffffad3040233e88 EFLAGS: 00000286 [ 3230.232925] RAX: 0000000000000008 RBX: 00007f276e95de40 RCX: 00007f276d19f000 [ 3230.233284] RDX: 0000000000000007 RSI: 000000000000000c RDI: ffff992143e79140 [ 3230.233646] RBP: ffffffff8afbbab3 R08: 0000000000000000 R09: 0000000000000000 [ 3230.234006] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 3230.234369] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 3230.234729] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 3230.235138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3230.235432] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 3230.235792] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3230.236152] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3230.236514] PKRU: 55555554 [ 3230.236656] Call Trace: [ 3230.236787] <IRQ> [ 3230.236901] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 3230.237134] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 3230.237370] ? cpuacct_charge+0x3e/0x120 [ 3230.237576] ? lock_release+0x1d3/0x270 [ 3230.237777] ? lock_acquire+0x179/0x2b0 [ 3230.237976] ? cpuacct_account_field+0x23/0xf0 [ 3230.238208] ? update_process_times+0x5f/0x90 [ 3230.238435] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 3230.238710] ? tick_sched_handle+0x33/0x50 [ 3230.238921] ? tick_nohz_highres_handler+0x71/0x90 [ 3230.239167] ? __hrtimer_run_queues+0x86/0x390 [ 3230.239399] ? hrtimer_interrupt+0x100/0x240 [ 3230.239619] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 3230.239890] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 3230.240150] </IRQ> [ 3230.240263] <TASK> [ 3230.240377] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 3230.240652] ? lock_vma_under_rcu+0xb3/0x4a0 [ 3230.240873] ? lock_vma_under_rcu+0xc9/0x4a0 [ 3230.241096] ? lock_vma_under_rcu+0x18a/0x4a0 [ 3230.241321] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 3230.241566] do_user_addr_fault+0x138/0x830 [ 3230.241787] exc_page_fault+0x6e/0x1d0 [ 3230.241984] asm_exc_page_fault+0x26/0x30 [ 3230.242195] RIP: 0033:0x7f276e95de40 [ 3230.242387] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 3230.242699] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 3230.242988] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 3230.243347] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 3230.243707] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 3230.244065] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 3230.244424] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 3230.244784] </TASK> [ 3308.248302] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3308.248637] rcu: 2-....: (2674303 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=605765 [ 3308.249143] rcu: (t=2678664 jiffies g=162497 q=2974 ncpus=4) [ 3308.249435] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 3308.249886] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3308.250458] RIP: 0010:rcu_is_watching+0x0/0x40 [ 3308.250690] Code: 08 03 00 48 03 04 fd 20 6a 3b 8c 48 89 90 70 01 00 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 65 ff 05 dd 71 23 75 48 c7 c0 20 b2 02 00 65 48 03 05 [ 3308.251616] RSP: 0000:ffffad3040233df0 EFLAGS: 00000247 [ 3308.251882] RAX: 0000000000000002 RBX: 0000000000000001 RCX: 0000000000000001 [ 3308.252243] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff99214654ebb8 [ 3308.252652] RBP: ffff99214654ebb8 R08: 0000000000000001 R09: 0000000000000000 [ 3308.253008] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 3308.253370] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 3308.253731] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 3308.254137] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3308.254432] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 3308.254793] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3308.255154] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3308.255517] PKRU: 55555554 [ 3308.255661] Call Trace: [ 3308.255793] <IRQ> [ 3308.255905] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 3308.256133] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 3308.256369] ? cpuacct_charge+0x3e/0x120 [ 3308.256574] ? lock_release+0x1d3/0x270 [ 3308.256775] ? lock_acquire+0x179/0x2b0 [ 3308.256979] ? cpuacct_account_field+0x23/0xf0 [ 3308.257211] ? update_process_times+0x5f/0x90 [ 3308.257442] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 3308.257713] ? tick_sched_handle+0x33/0x50 [ 3308.257927] ? tick_nohz_highres_handler+0x71/0x90 [ 3308.258173] ? __hrtimer_run_queues+0x86/0x390 [ 3308.258403] ? hrtimer_interrupt+0x100/0x240 [ 3308.258627] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 3308.258893] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 3308.259149] </IRQ> [ 3308.259264] <TASK> [ 3308.259379] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 3308.259651] ? __pfx_rcu_is_watching+0x10/0x10 [ 3308.259882] lock_acquire+0x179/0x2b0 [ 3308.260073] ? mtree_range_walk+0x72/0x350 [ 3308.260285] ? lock_vma_under_rcu+0xb3/0x4a0 [ 3308.260511] down_read_trylock+0xb5/0x140 [ 3308.260718] ? lock_vma_under_rcu+0xdb/0x4a0 [ 3308.260942] lock_vma_under_rcu+0xdb/0x4a0 [ 3308.261153] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 3308.261398] do_user_addr_fault+0x138/0x830 [ 3308.261632] exc_page_fault+0x6e/0x1d0 [ 3308.261829] asm_exc_page_fault+0x26/0x30 [ 3308.262038] RIP: 0033:0x7f276e95de40 [ 3308.262228] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 3308.262639] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 3308.263036] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 3308.263405] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 3308.263766] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 3308.264126] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 3308.264486] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 3308.264849] </TASK> [ 3386.268303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3386.268630] rcu: 2-....: (2752308 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=623548 [ 3386.269106] rcu: (t=2756684 jiffies g=162497 q=2994 ncpus=4) [ 3386.269385] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 3386.269808] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3386.270346] RIP: 0010:__up_read+0x59/0x210 [ 3386.270551] Code: 05 b4 3d 27 75 48 8b 45 08 65 48 8b 0c 25 00 f1 02 00 48 89 c2 48 83 e2 fc 48 39 ca 75 0e 48 89 c2 83 e2 03 f0 48 0f b1 55 08 <75> e6 48 c7 c0 00 ff ff ff f0 48 0f c1 45 00 8b 0d 46 f0 ad 01 48 [ 3386.271425] RSP: 0000:ffffad3040233e78 EFLAGS: 00000246 [ 3386.271676] RAX: ffff992144cdc281 RBX: 00007f276e95de40 RCX: ffff992144cdc280 [ 3386.272035] RDX: 0000000000000001 RSI: ffffffff8afbbb61 RDI: ffff99214654eb48 [ 3386.272392] RBP: ffff99214654eb48 R08: 0000000000000000 R09: 0000000000000000 [ 3386.272747] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 3386.273103] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 3386.273462] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 3386.273843] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3386.274121] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 3386.274462] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3386.274800] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3386.275138] PKRU: 55555554 [ 3386.275273] Call Trace: [ 3386.275402] <IRQ> [ 3386.275508] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 3386.275726] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 3386.275950] ? cpuacct_charge+0x3e/0x120 [ 3386.276142] ? lock_release+0x1d3/0x270 [ 3386.276333] ? lock_acquire+0x179/0x2b0 [ 3386.276523] ? cpuacct_account_field+0x23/0xf0 [ 3386.276740] ? update_process_times+0x5f/0x90 [ 3386.276956] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 3386.277214] ? tick_sched_handle+0x33/0x50 [ 3386.277414] ? tick_nohz_highres_handler+0x71/0x90 [ 3386.277648] ? __hrtimer_run_queues+0x86/0x390 [ 3386.277866] ? hrtimer_interrupt+0x100/0x240 [ 3386.278078] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 3386.278332] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 3386.278581] </IRQ> [ 3386.278690] <TASK> [ 3386.278799] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 3386.279056] ? lock_vma_under_rcu+0x161/0x4a0 [ 3386.279273] ? __up_read+0x59/0x210 [ 3386.279448] ? up_read+0x1b/0x30 [ 3386.279608] ? lock_vma_under_rcu+0xb3/0x4a0 [ 3386.279819] lock_vma_under_rcu+0x161/0x4a0 [ 3386.280022] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 3386.280254] do_user_addr_fault+0x138/0x830 [ 3386.280465] exc_page_fault+0x6e/0x1d0 [ 3386.280650] asm_exc_page_fault+0x26/0x30 [ 3386.280848] RIP: 0033:0x7f276e95de40 [ 3386.281031] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 3386.281327] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 3386.281578] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 3386.281918] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 3386.282292] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 3386.282652] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 3386.283008] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 3386.283371] </TASK> [ 3464.287303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3464.287656] rcu: 2-....: (2830313 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=641254 [ 3464.288165] rcu: (t=2834703 jiffies g=162497 q=3013 ncpus=4) [ 3464.288460] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 3464.288910] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3464.289483] RIP: 0010:__up_read+0x59/0x210 [ 3464.289701] Code: 05 b4 3d 27 75 48 8b 45 08 65 48 8b 0c 25 00 f1 02 00 48 89 c2 48 83 e2 fc 48 39 ca 75 0e 48 89 c2 83 e2 03 f0 48 0f b1 55 08 <75> e6 48 c7 c0 00 ff ff ff f0 48 0f c1 45 00 8b 0d 46 f0 ad 01 48 [ 3464.290630] RSP: 0000:ffffad3040233e78 EFLAGS: 00000246 [ 3464.290896] RAX: ffff992144cdc281 RBX: 00007f276e95de40 RCX: ffff992144cdc280 [ 3464.291257] RDX: 0000000000000001 RSI: ffffffff8afbbb61 RDI: ffff99214654eb48 [ 3464.291628] RBP: ffff99214654eb48 R08: 0000000000000000 R09: 0000000000000000 [ 3464.291986] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 3464.292347] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 3464.292710] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 3464.293118] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3464.293412] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 3464.293772] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3464.294133] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3464.294491] PKRU: 55555554 [ 3464.294636] Call Trace: [ 3464.294768] <IRQ> [ 3464.294879] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 3464.295110] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 3464.295347] ? cpuacct_charge+0x3e/0x120 [ 3464.295551] ? lock_release+0x1d3/0x270 [ 3464.295755] ? lock_acquire+0x179/0x2b0 [ 3464.295957] ? cpuacct_account_field+0x23/0xf0 [ 3464.296186] ? update_process_times+0x5f/0x90 [ 3464.296415] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 3464.296688] ? tick_sched_handle+0x33/0x50 [ 3464.296901] ? tick_nohz_highres_handler+0x71/0x90 [ 3464.297148] ? __hrtimer_run_queues+0x86/0x390 [ 3464.297379] ? hrtimer_interrupt+0x100/0x240 [ 3464.297603] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 3464.297871] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 3464.298131] </IRQ> [ 3464.298245] <TASK> [ 3464.298360] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 3464.298633] ? lock_vma_under_rcu+0x161/0x4a0 [ 3464.298863] ? __up_read+0x59/0x210 [ 3464.299047] ? up_read+0x1b/0x30 [ 3464.299217] ? lock_vma_under_rcu+0xb3/0x4a0 [ 3464.299439] lock_vma_under_rcu+0x161/0x4a0 [ 3464.299655] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 3464.299900] do_user_addr_fault+0x138/0x830 [ 3464.300124] exc_page_fault+0x6e/0x1d0 [ 3464.300320] asm_exc_page_fault+0x26/0x30 [ 3464.300531] RIP: 0033:0x7f276e95de40 [ 3464.300722] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 3464.301037] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 3464.301304] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 3464.301689] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 3464.302057] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 3464.302418] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 3464.302779] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 3464.303141] </TASK> [ 3542.306303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3542.306628] rcu: 2-....: (2908318 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=658827 [ 3542.307121] rcu: (t=2912722 jiffies g=162497 q=3033 ncpus=4) [ 3542.307410] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 3542.307849] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3542.308409] RIP: 0010:lock_release+0x2c/0x270 [ 3542.308636] Code: 1e fa 41 57 41 56 49 89 f6 41 55 41 54 55 48 89 fd 48 83 ec 18 65 48 8b 04 25 28 00 00 00 48 89 44 24 10 31 c0 0f 1f 44 00 00 <65> 8b 05 99 a4 26 75 89 c0 48 0f a3 05 d3 45 ad 01 0f 82 8b 01 00 [ 3542.309542] RSP: 0000:ffffad3040233e30 EFLAGS: 00000246 [ 3542.309803] RAX: 0000000000000000 RBX: 00007f276e95de40 RCX: ffffffff8afbbab3 [ 3542.310155] RDX: 0000000000000000 RSI: ffffffff8afbbb61 RDI: ffff99214654ebb8 [ 3542.310507] RBP: ffff99214654ebb8 R08: 0000000000000000 R09: 0000000000000000 [ 3542.310858] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 3542.311208] R13: 00007f276e95de40 R14: ffffffff8afbbb61 R15: 0000000000000000 [ 3542.311566] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 3542.311962] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3542.312248] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 3542.312601] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3542.312953] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3542.313304] PKRU: 55555554 [ 3542.313444] Call Trace: [ 3542.313573] <IRQ> [ 3542.313684] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 3542.313907] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 3542.314135] ? cpuacct_charge+0x3e/0x120 [ 3542.314336] ? lock_release+0x1d3/0x270 [ 3542.314532] ? lock_acquire+0x179/0x2b0 [ 3542.314726] ? cpuacct_account_field+0x23/0xf0 [ 3542.314949] ? update_process_times+0x5f/0x90 [ 3542.315170] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 3542.315437] ? tick_sched_handle+0x33/0x50 [ 3542.315644] ? tick_nohz_highres_handler+0x71/0x90 [ 3542.315885] ? __hrtimer_run_queues+0x86/0x390 [ 3542.316109] ? hrtimer_interrupt+0x100/0x240 [ 3542.316330] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 3542.316605] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 3542.316857] </IRQ> [ 3542.316969] <TASK> [ 3542.317080] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 3542.317345] ? lock_vma_under_rcu+0x161/0x4a0 [ 3542.317569] ? lock_vma_under_rcu+0xb3/0x4a0 [ 3542.317784] ? lock_vma_under_rcu+0x161/0x4a0 [ 3542.318002] ? lock_release+0x2c/0x270 [ 3542.318192] ? lock_vma_under_rcu+0xb3/0x4a0 [ 3542.318411] up_read+0x1b/0x30 [ 3542.318570] ? lock_vma_under_rcu+0xb3/0x4a0 [ 3542.318785] lock_vma_under_rcu+0x161/0x4a0 [ 3542.318996] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 3542.319233] do_user_addr_fault+0x138/0x830 [ 3542.319450] exc_page_fault+0x6e/0x1d0 [ 3542.319640] asm_exc_page_fault+0x26/0x30 [ 3542.319845] RIP: 0033:0x7f276e95de40 [ 3542.320032] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 3542.320336] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 3542.320597] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 3542.320946] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 3542.321301] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 3542.321653] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 3542.322002] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 3542.322353] </TASK> [ 3620.326303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3620.326643] rcu: 2-....: (2986323 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=676791 [ 3620.327158] rcu: (t=2990742 jiffies g=162497 q=3052 ncpus=4) [ 3620.327461] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 3620.327919] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3620.328504] RIP: 0010:lock_acquire+0xe1/0x2b0 [ 3620.328742] Code: 00 00 00 41 52 e8 3f e0 ff ff b8 ff ff ff ff 48 83 c4 28 65 0f c1 05 ee 79 25 75 83 f8 01 0f 85 b9 01 00 00 4d 85 ff 74 01 fb <48> 8b 44 24 30 65 48 2b 04 25 28 00 00 00 0f 85 b3 01 00 00 48 83 [ 3620.329685] RSP: 0000:ffffad3040233df8 EFLAGS: 00000246 [ 3620.329958] RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000000 [ 3620.330329] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff99214654ebb8 [ 3620.330697] RBP: ffff99214654ebb8 R08: 0000000000000001 R09: 0000000000000000 [ 3620.331069] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 3620.331437] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 3620.331805] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 3620.332221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3620.332520] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 3620.332887] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3620.333256] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3620.333623] PKRU: 55555554 [ 3620.333768] Call Trace: [ 3620.333902] <IRQ> [ 3620.334018] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 3620.334255] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 3620.334493] ? cpuacct_charge+0x3e/0x120 [ 3620.334705] ? lock_release+0x1d3/0x270 [ 3620.334909] ? lock_acquire+0x179/0x2b0 [ 3620.335113] ? cpuacct_account_field+0x23/0xf0 [ 3620.335350] ? update_process_times+0x5f/0x90 [ 3620.335580] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 3620.335860] ? tick_sched_handle+0x33/0x50 [ 3620.336075] ? tick_nohz_highres_handler+0x71/0x90 [ 3620.336328] ? __hrtimer_run_queues+0x86/0x390 [ 3620.336565] ? hrtimer_interrupt+0x100/0x240 [ 3620.336791] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 3620.337065] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 3620.337329] </IRQ> [ 3620.337444] <TASK> [ 3620.337562] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 3620.337841] ? lock_acquire+0xe1/0x2b0 [ 3620.338041] ? lock_acquire+0x179/0x2b0 [ 3620.338244] ? mtree_range_walk+0x72/0x350 [ 3620.338461] ? lock_vma_under_rcu+0xb3/0x4a0 [ 3620.338691] down_read_trylock+0xb5/0x140 [ 3620.338905] ? lock_vma_under_rcu+0xdb/0x4a0 [ 3620.339131] lock_vma_under_rcu+0xdb/0x4a0 [ 3620.339348] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 3620.339599] do_user_addr_fault+0x138/0x830 [ 3620.339821] exc_page_fault+0x6e/0x1d0 [ 3620.340022] asm_exc_page_fault+0x26/0x30 [ 3620.340240] RIP: 0033:0x7f276e95de40 [ 3620.340437] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 3620.340756] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 3620.341033] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 3620.341408] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 3620.341777] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 3620.342163] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 3620.342533] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 3620.342902] </TASK> [ 3698.346303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3698.346648] rcu: 2-....: (3064328 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=693477 [ 3698.347167] rcu: (t=3068762 jiffies g=162497 q=3072 ncpus=4) [ 3698.347469] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 3698.347929] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3698.348520] RIP: 0010:lock_acquire+0x4a/0x2b0 [ 3698.348759] Code: 48 83 ec 38 65 48 8b 04 25 28 00 00 00 48 89 44 24 30 31 c0 0f 1f 44 00 00 65 8b 05 5c a1 26 75 89 c0 48 0f a3 05 96 42 ad 01 <0f> 82 20 01 00 00 8b 0d 12 54 ad 01 85 c9 0f 84 83 00 00 00 65 8b [ 3698.349707] RSP: 0000:ffffad3040233df8 EFLAGS: 00000247 [ 3698.349981] RAX: 0000000000000002 RBX: 0000000000000001 RCX: 0000000000000001 [ 3698.350356] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff99214654ebb8 [ 3698.350728] RBP: ffff99214654ebb8 R08: 0000000000000001 R09: 0000000000000000 [ 3698.351096] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 3698.351466] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 3698.351836] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 3698.352252] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3698.352554] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 3698.352925] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3698.353291] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3698.353659] PKRU: 55555554 [ 3698.353807] Call Trace: [ 3698.353943] <IRQ> [ 3698.354058] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 3698.354294] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 3698.354537] ? cpuacct_charge+0x3e/0x120 [ 3698.354747] ? lock_release+0x1d3/0x270 [ 3698.354950] ? lock_acquire+0x179/0x2b0 [ 3698.355156] ? cpuacct_account_field+0x23/0xf0 [ 3698.355392] ? update_process_times+0x5f/0x90 [ 3698.355626] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 3698.355905] ? tick_sched_handle+0x33/0x50 [ 3698.356121] ? tick_nohz_highres_handler+0x71/0x90 [ 3698.356374] ? __hrtimer_run_queues+0x86/0x390 [ 3698.356612] ? hrtimer_interrupt+0x100/0x240 [ 3698.356841] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 3698.357115] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 3698.357384] </IRQ> [ 3698.357502] <TASK> [ 3698.357619] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 3698.357898] ? lock_acquire+0x4a/0x2b0 [ 3698.358098] ? lock_acquire+0x179/0x2b0 [ 3698.358302] ? mtree_range_walk+0x72/0x350 [ 3698.358523] ? lock_vma_under_rcu+0xb3/0x4a0 [ 3698.358751] down_read_trylock+0xb5/0x140 [ 3698.358967] ? lock_vma_under_rcu+0xdb/0x4a0 [ 3698.359193] lock_vma_under_rcu+0xdb/0x4a0 [ 3698.359413] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 3698.359663] do_user_addr_fault+0x138/0x830 [ 3698.359888] exc_page_fault+0x6e/0x1d0 [ 3698.360089] asm_exc_page_fault+0x26/0x30 [ 3698.360305] RIP: 0033:0x7f276e95de40 [ 3698.360507] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 3698.360828] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 3698.361103] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 3698.361469] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 3698.361838] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 3698.362206] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 3698.362574] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 3698.362943] </TASK> [ 3776.366303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3776.366649] rcu: 2-....: (3142333 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=710724 [ 3776.367169] rcu: (t=3146782 jiffies g=162497 q=3091 ncpus=4) [ 3776.367473] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 3776.367934] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3776.368521] RIP: 0010:__up_read+0x68/0x210 [ 3776.368745] Code: f1 02 00 48 89 c2 48 83 e2 fc 48 39 ca 75 0e 48 89 c2 83 e2 03 f0 48 0f b1 55 08 75 e6 48 c7 c0 00 ff ff ff f0 48 0f c1 45 00 <8b> 0d 46 f0 ad 01 48 2d 00 01 00 00 85 c9 75 05 48 85 c0 78 5b 24 [ 3776.369698] RSP: 0000:ffffad3040233e78 EFLAGS: 00000247 [ 3776.369971] RAX: 0000000000000100 RBX: 00007f276e95de40 RCX: ffff992144cdc280 [ 3776.370352] RDX: 0000000000000001 RSI: ffffffff8afbbb61 RDI: ffff99214654eb48 [ 3776.370719] RBP: ffff99214654eb48 R08: 0000000000000000 R09: 0000000000000000 [ 3776.371095] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 3776.371465] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 3776.371835] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 3776.372252] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3776.372556] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 3776.372927] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3776.373296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3776.373670] PKRU: 55555554 [ 3776.373816] Call Trace: [ 3776.373953] <IRQ> [ 3776.374068] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 3776.374305] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 3776.374551] ? cpuacct_charge+0x3e/0x120 [ 3776.374759] ? lock_release+0x1d3/0x270 [ 3776.374965] ? lock_acquire+0x179/0x2b0 [ 3776.375170] ? cpuacct_account_field+0x23/0xf0 [ 3776.375408] ? update_process_times+0x5f/0x90 [ 3776.375642] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 3776.375922] ? tick_sched_handle+0x33/0x50 [ 3776.376138] ? tick_nohz_highres_handler+0x71/0x90 [ 3776.376391] ? __hrtimer_run_queues+0x86/0x390 [ 3776.376630] ? hrtimer_interrupt+0x100/0x240 [ 3776.376859] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 3776.377135] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 3776.377402] </IRQ> [ 3776.377519] <TASK> [ 3776.377637] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 3776.377916] ? lock_vma_under_rcu+0x161/0x4a0 [ 3776.378151] ? __up_read+0x68/0x210 [ 3776.378340] ? up_read+0x1b/0x30 [ 3776.378514] ? lock_vma_under_rcu+0xb3/0x4a0 [ 3776.378742] lock_vma_under_rcu+0x161/0x4a0 [ 3776.378962] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 3776.379219] do_user_addr_fault+0x138/0x830 [ 3776.379446] exc_page_fault+0x6e/0x1d0 [ 3776.379648] asm_exc_page_fault+0x26/0x30 [ 3776.379865] RIP: 0033:0x7f276e95de40 [ 3776.380061] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 3776.380389] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 3776.380661] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 3776.381043] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 3776.381413] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 3776.381782] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 3776.382148] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 3776.382523] </TASK> [ 3854.386302] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3854.386640] rcu: 2-....: (3220338 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=728507 [ 3854.387146] rcu: (t=3224802 jiffies g=162497 q=3111 ncpus=4) [ 3854.387442] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 3854.387892] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3854.388465] RIP: 0010:__rcu_read_lock+0x21/0x40 [ 3854.388707] Code: 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 65 48 8b 04 25 00 f1 02 00 8b 90 fc 03 00 00 83 c2 01 89 90 fc 03 00 00 <8b> 80 fc 03 00 00 3d ff ff ff 3f 7f 05 c3 cc cc cc cc 90 0f 0b 90 [ 3854.389629] RSP: 0000:ffffad3040233e80 EFLAGS: 00000202 [ 3854.389913] RAX: ffff992144cdc280 RBX: 00007f276e95de40 RCX: 0000000000000000 [ 3854.390274] RDX: 0000000000000002 RSI: 0000000000000000 RDI: ffff99214654ebb8 [ 3854.390635] RBP: ffffffff8afbbab3 R08: 0000000000000001 R09: 0000000000000000 [ 3854.390994] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 3854.391354] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 3854.391717] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 3854.392126] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3854.392418] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 3854.392781] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3854.393145] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3854.393505] PKRU: 55555554 [ 3854.393647] Call Trace: [ 3854.393779] <IRQ> [ 3854.393891] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 3854.394124] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 3854.394359] ? cpuacct_charge+0x3e/0x120 [ 3854.394567] ? lock_release+0x1d3/0x270 [ 3854.394769] ? lock_acquire+0x179/0x2b0 [ 3854.394968] ? cpuacct_account_field+0x23/0xf0 [ 3854.395200] ? update_process_times+0x5f/0x90 [ 3854.395425] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 3854.395702] ? tick_sched_handle+0x33/0x50 [ 3854.395912] ? tick_nohz_highres_handler+0x71/0x90 [ 3854.396159] ? __hrtimer_run_queues+0x86/0x390 [ 3854.396392] ? hrtimer_interrupt+0x100/0x240 [ 3854.396614] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 3854.396883] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 3854.397144] </IRQ> [ 3854.397257] <TASK> [ 3854.397372] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 3854.397647] ? lock_vma_under_rcu+0xb3/0x4a0 [ 3854.397872] ? __rcu_read_lock+0x21/0x40 [ 3854.398074] lock_vma_under_rcu+0x12d/0x4a0 [ 3854.398293] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 3854.398540] do_user_addr_fault+0x138/0x830 [ 3854.398760] exc_page_fault+0x6e/0x1d0 [ 3854.398955] asm_exc_page_fault+0x26/0x30 [ 3854.399169] RIP: 0033:0x7f276e95de40 [ 3854.399360] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 3854.399675] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 3854.399965] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 3854.400325] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 3854.400683] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 3854.401043] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 3854.401404] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 3854.401767] </TASK> [ 3932.405303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 3932.405635] rcu: 2-....: (3298343 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=745474 [ 3932.406141] rcu: (t=3302821 jiffies g=162497 q=3130 ncpus=4) [ 3932.406434] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 3932.406883] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3932.407455] RIP: 0010:down_read_trylock+0x51/0x140 [ 3932.407707] Code: 00 65 ff 05 d9 45 27 75 48 b9 07 00 00 00 00 00 00 80 48 8b 03 48 85 c8 0f 85 ed 00 00 00 48 8d 90 00 01 00 00 f0 48 0f b1 13 <75> e9 48 8b 43 08 65 48 8b 14 25 00 f1 02 00 83 e0 02 48 09 d0 48 [ 3932.408630] RSP: 0000:ffffad3040233e70 EFLAGS: 00000246 [ 3932.408898] RAX: 0000000000000000 RBX: ffff99214654eb48 RCX: 8000000000000007 [ 3932.409259] RDX: 0000000000000100 RSI: 000000000000000c RDI: ffff99214654eb48 [ 3932.409639] RBP: ffffffff8afbbab3 R08: 0000000000000000 R09: 0000000000000000 [ 3932.410000] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 3932.410361] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 3932.410724] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 3932.411132] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3932.411428] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 3932.411790] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3932.412150] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3932.412510] PKRU: 55555554 [ 3932.412652] Call Trace: [ 3932.412783] <IRQ> [ 3932.412896] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 3932.413125] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 3932.413360] ? cpuacct_charge+0x3e/0x120 [ 3932.413565] ? lock_release+0x1d3/0x270 [ 3932.413766] ? lock_acquire+0x179/0x2b0 [ 3932.413965] ? cpuacct_account_field+0x23/0xf0 [ 3932.414197] ? update_process_times+0x5f/0x90 [ 3932.414422] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 3932.414695] ? tick_sched_handle+0x33/0x50 [ 3932.414906] ? tick_nohz_highres_handler+0x71/0x90 [ 3932.415154] ? __hrtimer_run_queues+0x86/0x390 [ 3932.415388] ? hrtimer_interrupt+0x100/0x240 [ 3932.415610] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 3932.415877] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 3932.416133] </IRQ> [ 3932.416247] <TASK> [ 3932.416362] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 3932.416634] ? lock_vma_under_rcu+0xb3/0x4a0 [ 3932.416858] ? down_read_trylock+0x51/0x140 [ 3932.417075] lock_vma_under_rcu+0xdb/0x4a0 [ 3932.417288] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 3932.417532] do_user_addr_fault+0x138/0x830 [ 3932.417750] exc_page_fault+0x6e/0x1d0 [ 3932.417945] asm_exc_page_fault+0x26/0x30 [ 3932.418160] RIP: 0033:0x7f276e95de40 [ 3932.418351] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 3932.418665] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 3932.418931] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 3932.419291] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 3932.419656] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 3932.420017] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 3932.420376] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 3932.420737] </TASK> [ 4010.424303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4010.424631] rcu: 2-....: (3376348 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=761951 [ 4010.425136] rcu: (t=3380840 jiffies g=162497 q=3150 ncpus=4) [ 4010.425430] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 4010.425877] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4010.426446] RIP: 0010:down_read_trylock+0x57/0x140 [ 4010.426698] Code: 27 75 48 b9 07 00 00 00 00 00 00 80 48 8b 03 48 85 c8 0f 85 ed 00 00 00 48 8d 90 00 01 00 00 f0 48 0f b1 13 75 e9 48 8b 43 08 <65> 48 8b 14 25 00 f1 02 00 83 e0 02 48 09 d0 48 83 c8 01 48 89 43 [ 4010.427622] RSP: 0000:ffffad3040233e70 EFLAGS: 00000246 [ 4010.427888] RAX: 0000000000000001 RBX: ffff99214654eb48 RCX: 8000000000000007 [ 4010.428249] RDX: 0000000000000100 RSI: 000000000000000c RDI: ffff99214654eb48 [ 4010.428605] RBP: ffffffff8afbbab3 R08: 0000000000000000 R09: 0000000000000000 [ 4010.428971] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 4010.429330] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 4010.429691] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 4010.430096] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4010.430388] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 4010.430749] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4010.431107] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4010.431468] PKRU: 55555554 [ 4010.431611] Call Trace: [ 4010.431743] <IRQ> [ 4010.431854] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 4010.432082] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 4010.432318] ? cpuacct_charge+0x3e/0x120 [ 4010.432520] ? lock_release+0x1d3/0x270 [ 4010.432719] ? lock_acquire+0x179/0x2b0 [ 4010.432918] ? cpuacct_account_field+0x23/0xf0 [ 4010.433148] ? update_process_times+0x5f/0x90 [ 4010.433376] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 4010.433647] ? tick_sched_handle+0x33/0x50 [ 4010.433859] ? tick_nohz_highres_handler+0x71/0x90 [ 4010.434104] ? __hrtimer_run_queues+0x86/0x390 [ 4010.434334] ? hrtimer_interrupt+0x100/0x240 [ 4010.434558] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 4010.434825] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 4010.435082] </IRQ> [ 4010.435196] <TASK> [ 4010.435311] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 4010.435581] ? lock_vma_under_rcu+0xb3/0x4a0 [ 4010.435806] ? down_read_trylock+0x57/0x140 [ 4010.436021] lock_vma_under_rcu+0xdb/0x4a0 [ 4010.436233] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 4010.436475] do_user_addr_fault+0x138/0x830 [ 4010.436696] exc_page_fault+0x6e/0x1d0 [ 4010.436891] asm_exc_page_fault+0x26/0x30 [ 4010.437099] RIP: 0033:0x7f276e95de40 [ 4010.437289] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 4010.437600] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 4010.437865] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 4010.438224] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 4010.438582] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 4010.438949] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 4010.439308] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 4010.439668] </TASK> [ 4088.442303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4088.442650] rcu: 2-....: (3454352 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=780015 [ 4088.443195] rcu: (t=3458858 jiffies g=162497 q=3169 ncpus=4) [ 4088.443496] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 4088.443949] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4088.444524] RIP: 0010:down_read_trylock+0x1f/0x140 [ 4088.444778] Code: 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 53 48 89 fb 48 83 ec 08 8b 0d bd f8 ad 01 85 c9 75 0d 48 8b 4f 68 <48> 39 cf 0f 85 9c 00 00 00 65 ff 05 d9 45 27 75 48 b9 07 00 00 00 [ 4088.445708] RSP: 0000:ffffad3040233e70 EFLAGS: 00000246 [ 4088.445974] RAX: 0000000000000008 RBX: ffff99214654eb48 RCX: ffff99214654eb48 [ 4088.446336] RDX: 0000000000000007 RSI: 000000000000000c RDI: ffff99214654eb48 [ 4088.446696] RBP: ffffffff8afbbab3 R08: 0000000000000000 R09: 0000000000000000 [ 4088.447056] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 4088.447419] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 4088.447782] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 4088.448187] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4088.448482] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 4088.448852] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4088.449213] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4088.449574] PKRU: 55555554 [ 4088.449718] Call Trace: [ 4088.449852] <IRQ> [ 4088.449965] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 4088.450197] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 4088.450438] ? lock_acquire+0x179/0x2b0 [ 4088.450640] ? cpuacct_account_field+0x23/0xf0 [ 4088.450873] ? update_process_times+0x5f/0x90 [ 4088.451102] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 4088.451381] ? tick_sched_handle+0x33/0x50 [ 4088.451593] ? tick_nohz_highres_handler+0x71/0x90 [ 4088.451841] ? __hrtimer_run_queues+0x86/0x390 [ 4088.452076] ? hrtimer_interrupt+0x100/0x240 [ 4088.452298] ? __do_softirq+0x2c2/0x37a [ 4088.452504] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 4088.452777] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 4088.453037] </IRQ> [ 4088.453152] <TASK> [ 4088.453267] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 4088.453545] ? lock_vma_under_rcu+0xb3/0x4a0 [ 4088.453770] ? down_read_trylock+0x1f/0x140 [ 4088.453994] lock_vma_under_rcu+0xdb/0x4a0 [ 4088.454207] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 4088.454455] do_user_addr_fault+0x138/0x830 [ 4088.454677] exc_page_fault+0x6e/0x1d0 [ 4088.454875] asm_exc_page_fault+0x26/0x30 [ 4088.455087] RIP: 0033:0x7f276e95de40 [ 4088.455282] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 4088.455595] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 4088.455860] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 4088.456219] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 4088.456578] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 4088.456935] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 4088.457293] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 4088.457655] </TASK> [ 4166.461307] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4166.461867] rcu: 2-....: (3532357 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=797743 [ 4166.462686] rcu: (t=3536878 jiffies g=162497 q=3189 ncpus=4) [ 4166.463132] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 4166.463774] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4166.464618] RIP: 0010:__rcu_read_lock+0x2e/0x40 [ 4166.464958] Code: 0f 1f 44 00 00 65 48 8b 04 25 00 f1 02 00 8b 90 fc 03 00 00 83 c2 01 89 90 fc 03 00 00 8b 80 fc 03 00 00 3d ff ff ff 3f 7f 05 <c3> cc cc cc cc 90 0f 0b 90 c3 cc cc cc cc 0f 1f 40 00 90 90 90 90 [ 4166.466156] RSP: 0000:ffffad3040233e80 EFLAGS: 00000297 [ 4166.466516] RAX: 0000000000000002 RBX: 00007f276e95de40 RCX: 0000000000000000 [ 4166.467021] RDX: 0000000000000002 RSI: 0000000000000000 RDI: ffff99214654ebb8 [ 4166.467534] RBP: ffffffff8afbbab3 R08: 0000000000000001 R09: 0000000000000000 [ 4166.468022] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 4166.468504] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 4166.468958] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 4166.469469] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4166.469836] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 4166.470309] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4166.470782] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4166.471262] PKRU: 55555554 [ 4166.471448] Call Trace: [ 4166.471622] <IRQ> [ 4166.471774] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 4166.472079] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 4166.472391] ? cpuacct_charge+0x3e/0x120 [ 4166.472660] ? lock_release+0x1d3/0x270 [ 4166.472927] ? lock_acquire+0x179/0x2b0 [ 4166.473192] ? cpuacct_account_field+0x23/0xf0 [ 4166.473502] ? update_process_times+0x5f/0x90 [ 4166.473804] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 4166.474172] ? tick_sched_handle+0x33/0x50 [ 4166.474459] ? tick_nohz_highres_handler+0x71/0x90 [ 4166.474793] ? __hrtimer_run_queues+0x86/0x390 [ 4166.475110] ? hrtimer_interrupt+0x100/0x240 [ 4166.475440] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 4166.475831] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 4166.476187] </IRQ> [ 4166.476342] <TASK> [ 4166.476497] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 4166.476892] ? lock_vma_under_rcu+0xb3/0x4a0 [ 4166.477215] ? __rcu_read_lock+0x2e/0x40 [ 4166.477514] lock_vma_under_rcu+0x12d/0x4a0 [ 4166.477841] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 4166.478215] do_user_addr_fault+0x138/0x830 [ 4166.478501] exc_page_fault+0x6e/0x1d0 [ 4166.478763] asm_exc_page_fault+0x26/0x30 [ 4166.479038] RIP: 0033:0x7f276e95de40 [ 4166.479293] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 4166.479713] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 4166.480068] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 4166.480539] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 4166.481006] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 4166.481478] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 4166.481950] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 4166.482436] </TASK> [ 4244.486302] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4244.486642] rcu: 2-....: (3610362 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=815188 [ 4244.487150] rcu: (t=3614902 jiffies g=162497 q=3208 ncpus=4) [ 4244.487444] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 4244.487912] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4244.488485] RIP: 0010:lock_acquire+0x42/0x2b0 [ 4244.488716] Code: 55 48 89 fd 53 44 89 c3 48 83 ec 38 65 48 8b 04 25 28 00 00 00 48 89 44 24 30 31 c0 0f 1f 44 00 00 65 8b 05 5c a1 26 75 89 c0 <48> 0f a3 05 96 42 ad 01 0f 82 20 01 00 00 8b 0d 12 54 ad 01 85 c9 [ 4244.489645] RSP: 0000:ffffad3040233df8 EFLAGS: 00000246 [ 4244.489912] RAX: 0000000000000002 RBX: 0000000000000001 RCX: 0000000000000001 [ 4244.490274] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff99214654ebb8 [ 4244.490636] RBP: ffff99214654ebb8 R08: 0000000000000001 R09: 0000000000000000 [ 4244.490996] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 4244.491357] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 4244.491720] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 4244.492132] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4244.492426] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 4244.492787] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4244.493147] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4244.493504] PKRU: 55555554 [ 4244.493648] Call Trace: [ 4244.493780] <IRQ> [ 4244.493893] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 4244.494120] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 4244.494356] ? cpuacct_charge+0x3e/0x120 [ 4244.494560] ? lock_release+0x1d3/0x270 [ 4244.494761] ? lock_acquire+0x179/0x2b0 [ 4244.494960] ? cpuacct_account_field+0x23/0xf0 [ 4244.495189] ? update_process_times+0x5f/0x90 [ 4244.495417] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 4244.495687] ? tick_sched_handle+0x33/0x50 [ 4244.495899] ? tick_nohz_highres_handler+0x71/0x90 [ 4244.496145] ? __hrtimer_run_queues+0x86/0x390 [ 4244.496374] ? hrtimer_interrupt+0x100/0x240 [ 4244.496597] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 4244.496862] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 4244.497118] </IRQ> [ 4244.497232] <TASK> [ 4244.497347] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 4244.497618] ? lock_acquire+0x42/0x2b0 [ 4244.497820] ? lock_acquire+0x179/0x2b0 [ 4244.498021] ? mtree_range_walk+0x72/0x350 [ 4244.498233] ? lock_vma_under_rcu+0xb3/0x4a0 [ 4244.498456] down_read_trylock+0xb5/0x140 [ 4244.498667] ? lock_vma_under_rcu+0xdb/0x4a0 [ 4244.498886] lock_vma_under_rcu+0xdb/0x4a0 [ 4244.499100] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 4244.499343] do_user_addr_fault+0x138/0x830 [ 4244.499559] exc_page_fault+0x6e/0x1d0 [ 4244.499753] asm_exc_page_fault+0x26/0x30 [ 4244.499962] RIP: 0033:0x7f276e95de40 [ 4244.500152] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 4244.500466] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 4244.500732] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 4244.501090] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 4244.501448] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 4244.501807] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 4244.502167] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 4244.502527] </TASK> [ 4322.506303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4322.506637] rcu: 2-....: (3688367 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=832739 [ 4322.507139] rcu: (t=3692922 jiffies g=162497 q=3228 ncpus=4) [ 4322.507440] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 4322.507885] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4322.508453] RIP: 0010:lock_acquire+0x10/0x2b0 [ 4322.508684] Code: 00 00 eb d9 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 57 4d 89 ca 41 56 41 89 f6 41 55 <41> 89 d5 41 54 41 89 cc 55 48 89 fd 53 44 89 c3 48 83 ec 38 65 48 [ 4322.509612] RSP: 0000:ffffad3040233e60 EFLAGS: 00000246 [ 4322.509876] RAX: 0000000000000002 RBX: 00007f276e95de40 RCX: 0000000000000002 [ 4322.510234] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8c77b8c0 [ 4322.510593] RBP: ffffffff8afbbab3 R08: 0000000000000000 R09: 0000000000000000 [ 4322.510951] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 4322.511307] R13: 00007f276e95de40 R14: 0000000000000000 R15: 0000000000000000 [ 4322.511667] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 4322.512072] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4322.512361] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 4322.512723] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4322.513081] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4322.513439] PKRU: 55555554 [ 4322.513580] Call Trace: [ 4322.513711] <IRQ> [ 4322.513824] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 4322.514053] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 4322.514285] ? cpuacct_charge+0x3e/0x120 [ 4322.514493] ? lock_release+0x1d3/0x270 [ 4322.514691] ? lock_acquire+0x179/0x2b0 [ 4322.514888] ? cpuacct_account_field+0x23/0xf0 [ 4322.515121] ? update_process_times+0x5f/0x90 [ 4322.515347] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 4322.515619] ? tick_sched_handle+0x33/0x50 [ 4322.515829] ? tick_nohz_highres_handler+0x71/0x90 [ 4322.516073] ? __hrtimer_run_queues+0x86/0x390 [ 4322.516304] ? hrtimer_interrupt+0x100/0x240 [ 4322.516525] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 4322.516790] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 4322.517048] </IRQ> [ 4322.517161] <TASK> [ 4322.517275] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 4322.517552] ? lock_vma_under_rcu+0xb3/0x4a0 [ 4322.517774] ? lock_acquire+0x10/0x2b0 [ 4322.517967] lock_vma_under_rcu+0x149/0x4a0 [ 4322.518182] ? lock_vma_under_rcu+0xb3/0x4a0 [ 4322.518401] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 4322.518644] do_user_addr_fault+0x138/0x830 [ 4322.518861] exc_page_fault+0x6e/0x1d0 [ 4322.519057] asm_exc_page_fault+0x26/0x30 [ 4322.519266] RIP: 0033:0x7f276e95de40 [ 4322.519457] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 4322.519767] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 4322.520030] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 4322.520392] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 4322.520749] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 4322.521104] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 4322.521460] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 4322.521819] </TASK> [ 4400.525304] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4400.525648] rcu: 2-....: (3766372 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=850652 [ 4400.526172] rcu: (t=3770941 jiffies g=162497 q=3247 ncpus=4) [ 4400.526478] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 4400.526942] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4400.527540] RIP: 0010:down_read_trylock+0x51/0x140 [ 4400.527802] Code: 00 65 ff 05 d9 45 27 75 48 b9 07 00 00 00 00 00 00 80 48 8b 03 48 85 c8 0f 85 ed 00 00 00 48 8d 90 00 01 00 00 f0 48 0f b1 13 <75> e9 48 8b 43 08 65 48 8b 14 25 00 f1 02 00 83 e0 02 48 09 d0 48 [ 4400.528762] RSP: 0000:ffffad3040233e70 EFLAGS: 00000246 [ 4400.529040] RAX: 0000000000000000 RBX: ffff99214654eb48 RCX: 8000000000000007 [ 4400.529416] RDX: 0000000000000100 RSI: 000000000000000c RDI: ffff99214654eb48 [ 4400.529789] RBP: ffffffff8afbbab3 R08: 0000000000000000 R09: 0000000000000000 [ 4400.530166] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 4400.530547] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 4400.530922] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 4400.531343] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4400.531647] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 4400.532020] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4400.532396] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4400.532768] PKRU: 55555554 [ 4400.532916] Call Trace: [ 4400.533053] <IRQ> [ 4400.533171] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 4400.533410] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 4400.533655] ? cpuacct_charge+0x3e/0x120 [ 4400.533865] ? lock_release+0x1d3/0x270 [ 4400.534077] ? lock_acquire+0x179/0x2b0 [ 4400.534284] ? cpuacct_account_field+0x23/0xf0 [ 4400.534524] ? update_process_times+0x5f/0x90 [ 4400.534759] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 4400.535041] ? tick_sched_handle+0x33/0x50 [ 4400.535262] ? tick_nohz_highres_handler+0x71/0x90 [ 4400.535518] ? __hrtimer_run_queues+0x86/0x390 [ 4400.535756] ? hrtimer_interrupt+0x100/0x240 [ 4400.535990] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 4400.536267] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 4400.536535] </IRQ> [ 4400.536654] <TASK> [ 4400.536772] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 4400.537064] ? lock_vma_under_rcu+0xb3/0x4a0 [ 4400.537299] ? down_read_trylock+0x51/0x140 [ 4400.537523] lock_vma_under_rcu+0xdb/0x4a0 [ 4400.537744] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 4400.537998] do_user_addr_fault+0x138/0x830 [ 4400.538225] exc_page_fault+0x6e/0x1d0 [ 4400.538428] asm_exc_page_fault+0x26/0x30 [ 4400.538649] RIP: 0033:0x7f276e95de40 [ 4400.538849] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 4400.539173] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 4400.539450] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 4400.539822] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 4400.540194] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 4400.540568] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 4400.540943] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 4400.541317] </TASK> [ 4478.545303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4478.545633] rcu: 2-....: (3844377 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=868527 [ 4478.546141] rcu: (t=3848961 jiffies g=162497 q=3267 ncpus=4) [ 4478.546438] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 4478.546893] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4478.547468] RIP: 0010:lock_vma_under_rcu+0xd1/0x4a0 [ 4478.547724] Code: ae 00 49 89 c4 48 8d 2d 00 00 00 00 48 85 c0 0f 84 da 00 00 00 8b 50 28 48 8b 40 10 8b 80 d8 01 00 00 39 c2 0f 84 c5 00 00 00 <49> 8b 7c 24 30 e8 25 f0 df ff 85 c0 0f 84 b3 00 00 00 49 8b 44 24 [ 4478.548656] RSP: 0000:ffffad3040233e88 EFLAGS: 00000297 [ 4478.548923] RAX: 0000000000000008 RBX: 00007f276e95de40 RCX: 00007f276d19f000 [ 4478.549283] RDX: 0000000000000007 RSI: 000000000000000c RDI: ffff992143e79140 [ 4478.549644] RBP: ffffffff8afbbab3 R08: 0000000000000000 R09: 0000000000000000 [ 4478.550004] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 4478.550365] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 4478.550726] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 4478.551131] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4478.551426] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 4478.551787] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4478.552146] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4478.552505] PKRU: 55555554 [ 4478.552649] Call Trace: [ 4478.552781] <IRQ> [ 4478.552893] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 4478.553123] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 4478.553359] ? cpuacct_charge+0x3e/0x120 [ 4478.553566] ? lock_release+0x1d3/0x270 [ 4478.553767] ? lock_acquire+0x179/0x2b0 [ 4478.553967] ? cpuacct_account_field+0x23/0xf0 [ 4478.554197] ? update_process_times+0x5f/0x90 [ 4478.554427] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 4478.554699] ? tick_sched_handle+0x33/0x50 [ 4478.554911] ? tick_nohz_highres_handler+0x71/0x90 [ 4478.555157] ? __hrtimer_run_queues+0x86/0x390 [ 4478.555390] ? hrtimer_interrupt+0x100/0x240 [ 4478.555614] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 4478.555883] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 4478.556141] </IRQ> [ 4478.556255] <TASK> [ 4478.556372] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 4478.556651] ? lock_vma_under_rcu+0xb3/0x4a0 [ 4478.556874] ? lock_vma_under_rcu+0xd1/0x4a0 [ 4478.557098] ? lock_vma_under_rcu+0x18a/0x4a0 [ 4478.557346] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 4478.557593] do_user_addr_fault+0x138/0x830 [ 4478.557812] exc_page_fault+0x6e/0x1d0 [ 4478.558007] asm_exc_page_fault+0x26/0x30 [ 4478.558220] RIP: 0033:0x7f276e95de40 [ 4478.558413] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 4478.558727] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 4478.558994] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 4478.559354] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 4478.559712] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 4478.560073] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 4478.560434] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 4478.560799] </TASK> [ 4556.564303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4556.564643] rcu: 2-....: (3922382 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=886105 [ 4556.565153] rcu: (t=3926980 jiffies g=162497 q=3286 ncpus=4) [ 4556.565448] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 4556.565902] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4556.566484] RIP: 0010:__up_read+0x68/0x210 [ 4556.566703] Code: f1 02 00 48 89 c2 48 83 e2 fc 48 39 ca 75 0e 48 89 c2 83 e2 03 f0 48 0f b1 55 08 75 e6 48 c7 c0 00 ff ff ff f0 48 0f c1 45 00 <8b> 0d 46 f0 ad 01 48 2d 00 01 00 00 85 c9 75 05 48 85 c0 78 5b 24 [ 4556.567634] RSP: 0000:ffffad3040233e78 EFLAGS: 00000247 [ 4556.567904] RAX: 0000000000000100 RBX: 00007f276e95de40 RCX: ffff992144cdc280 [ 4556.568266] RDX: 0000000000000001 RSI: ffffffff8afbbb61 RDI: ffff99214654eb48 [ 4556.568628] RBP: ffff99214654eb48 R08: 0000000000000000 R09: 0000000000000000 [ 4556.568989] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 4556.569353] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 4556.569716] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 4556.570123] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4556.570418] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 4556.570780] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4556.571139] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4556.571501] PKRU: 55555554 [ 4556.571645] Call Trace: [ 4556.571779] <IRQ> [ 4556.571890] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 4556.572122] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 4556.572362] ? cpuacct_charge+0x3e/0x120 [ 4556.572564] ? lock_release+0x1d3/0x270 [ 4556.572765] ? lock_acquire+0x179/0x2b0 [ 4556.572964] ? cpuacct_account_field+0x23/0xf0 [ 4556.573197] ? update_process_times+0x5f/0x90 [ 4556.573428] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 4556.573701] ? tick_sched_handle+0x33/0x50 [ 4556.573912] ? tick_nohz_highres_handler+0x71/0x90 [ 4556.574173] ? __hrtimer_run_queues+0x86/0x390 [ 4556.574406] ? hrtimer_interrupt+0x100/0x240 [ 4556.574630] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 4556.574899] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 4556.575159] </IRQ> [ 4556.575273] <TASK> [ 4556.575389] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 4556.575663] ? lock_vma_under_rcu+0x161/0x4a0 [ 4556.575892] ? __up_read+0x68/0x210 [ 4556.576075] ? up_read+0x1b/0x30 [ 4556.576250] ? lock_vma_under_rcu+0xb3/0x4a0 [ 4556.576479] lock_vma_under_rcu+0x161/0x4a0 [ 4556.576694] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 4556.576940] do_user_addr_fault+0x138/0x830 [ 4556.577162] exc_page_fault+0x6e/0x1d0 [ 4556.577359] asm_exc_page_fault+0x26/0x30 [ 4556.577571] RIP: 0033:0x7f276e95de40 [ 4556.577764] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 4556.578079] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 4556.578347] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 4556.578710] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 4556.579072] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 4556.579433] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 4556.579793] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 4556.580158] </TASK> [ 4634.582304] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4634.582643] rcu: 2-....: (4000386 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=903589 [ 4634.583149] rcu: (t=4004998 jiffies g=162497 q=3306 ncpus=4) [ 4634.583444] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 4634.583894] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4634.584466] RIP: 0010:lock_vma_under_rcu+0xd1/0x4a0 [ 4634.584723] Code: ae 00 49 89 c4 48 8d 2d 00 00 00 00 48 85 c0 0f 84 da 00 00 00 8b 50 28 48 8b 40 10 8b 80 d8 01 00 00 39 c2 0f 84 c5 00 00 00 <49> 8b 7c 24 30 e8 25 f0 df ff 85 c0 0f 84 b3 00 00 00 49 8b 44 24 [ 4634.585647] RSP: 0000:ffffad3040233e88 EFLAGS: 00000297 [ 4634.585919] RAX: 0000000000000008 RBX: 00007f276e95de40 RCX: 00007f276d19f000 [ 4634.586279] RDX: 0000000000000007 RSI: 000000000000000c RDI: ffff992143e79140 [ 4634.586640] RBP: ffffffff8afbbab3 R08: 0000000000000000 R09: 0000000000000000 [ 4634.587004] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 4634.587365] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 4634.587725] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 4634.588133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4634.588426] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 4634.588786] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4634.589146] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4634.589506] PKRU: 55555554 [ 4634.589648] Call Trace: [ 4634.589780] <IRQ> [ 4634.589894] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 4634.590125] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 4634.590361] ? cpuacct_charge+0x3e/0x120 [ 4634.590570] ? lock_release+0x1d3/0x270 [ 4634.590771] ? lock_acquire+0x179/0x2b0 [ 4634.590970] ? cpuacct_account_field+0x23/0xf0 [ 4634.591201] ? update_process_times+0x5f/0x90 [ 4634.591428] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 4634.591703] ? tick_sched_handle+0x33/0x50 [ 4634.591914] ? tick_nohz_highres_handler+0x71/0x90 [ 4634.592159] ? __hrtimer_run_queues+0x86/0x390 [ 4634.592392] ? hrtimer_interrupt+0x100/0x240 [ 4634.592613] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 4634.592881] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 4634.593140] </IRQ> [ 4634.593254] <TASK> [ 4634.593368] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 4634.593643] ? lock_vma_under_rcu+0xb3/0x4a0 [ 4634.593864] ? lock_vma_under_rcu+0xd1/0x4a0 [ 4634.594086] ? lock_vma_under_rcu+0x18a/0x4a0 [ 4634.594311] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 4634.594555] do_user_addr_fault+0x138/0x830 [ 4634.594777] exc_page_fault+0x6e/0x1d0 [ 4634.594972] asm_exc_page_fault+0x26/0x30 [ 4634.595182] RIP: 0033:0x7f276e95de40 [ 4634.595375] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 4634.595687] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 4634.595957] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 4634.596318] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 4634.596679] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 4634.597047] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 4634.597407] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 4634.597769] </TASK> [ 4712.601303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4712.601632] rcu: 2-....: (4078391 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=921809 [ 4712.602141] rcu: (t=4083017 jiffies g=162497 q=3325 ncpus=4) [ 4712.602440] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 4712.602891] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4712.603465] RIP: 0010:__up_read+0x68/0x210 [ 4712.603686] Code: f1 02 00 48 89 c2 48 83 e2 fc 48 39 ca 75 0e 48 89 c2 83 e2 03 f0 48 0f b1 55 08 75 e6 48 c7 c0 00 ff ff ff f0 48 0f c1 45 00 <8b> 0d 46 f0 ad 01 48 2d 00 01 00 00 85 c9 75 05 48 85 c0 78 5b 24 [ 4712.604617] RSP: 0000:ffffad3040233e78 EFLAGS: 00000247 [ 4712.604887] RAX: 0000000000000100 RBX: 00007f276e95de40 RCX: ffff992144cdc280 [ 4712.605248] RDX: 0000000000000001 RSI: ffffffff8afbbb61 RDI: ffff99214654eb48 [ 4712.605618] RBP: ffff99214654eb48 R08: 0000000000000000 R09: 0000000000000000 [ 4712.605981] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 4712.606343] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 4712.606706] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 4712.607117] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4712.607416] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 4712.607780] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4712.608146] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4712.608511] PKRU: 55555554 [ 4712.608654] Call Trace: [ 4712.608787] <IRQ> [ 4712.608901] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 4712.609135] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 4712.609372] ? cpuacct_charge+0x3e/0x120 [ 4712.609580] ? lock_release+0x1d3/0x270 [ 4712.609782] ? lock_acquire+0x179/0x2b0 [ 4712.609982] ? cpuacct_account_field+0x23/0xf0 [ 4712.610216] ? update_process_times+0x5f/0x90 [ 4712.610444] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 4712.610722] ? tick_sched_handle+0x33/0x50 [ 4712.610935] ? tick_nohz_highres_handler+0x71/0x90 [ 4712.611184] ? __hrtimer_run_queues+0x86/0x390 [ 4712.611419] ? hrtimer_interrupt+0x100/0x240 [ 4712.611642] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 4712.611912] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 4712.612173] </IRQ> [ 4712.612287] <TASK> [ 4712.612404] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 4712.612682] ? lock_vma_under_rcu+0x161/0x4a0 [ 4712.612909] ? __up_read+0x68/0x210 [ 4712.613095] ? up_read+0x1b/0x30 [ 4712.613269] ? lock_vma_under_rcu+0xb3/0x4a0 [ 4712.613492] lock_vma_under_rcu+0x161/0x4a0 [ 4712.613711] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 4712.613959] do_user_addr_fault+0x138/0x830 [ 4712.614179] exc_page_fault+0x6e/0x1d0 [ 4712.614376] asm_exc_page_fault+0x26/0x30 [ 4712.614592] RIP: 0033:0x7f276e95de40 [ 4712.614787] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 4712.615102] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 4712.615371] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 4712.615740] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 4712.616101] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 4712.616465] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 4712.616832] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 4712.617197] </TASK> [ 4790.621303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4790.621640] rcu: 2-....: (4156396 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=938951 [ 4790.622151] rcu: (t=4161037 jiffies g=162497 q=3345 ncpus=4) [ 4790.622446] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 4790.622901] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4790.623472] RIP: 0010:mtree_range_walk+0x241/0x350 [ 4790.623730] Code: 84 88 fe ff ff 49 8b 45 00 30 c0 49 39 c5 0f 85 95 fe ff ff c7 45 38 01 00 00 00 45 31 e4 48 c7 04 24 00 00 00 00 4c 89 65 18 <48> 8b 04 24 48 83 c4 30 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc [ 4790.624674] RSP: 0000:ffffad3040233e08 EFLAGS: 00000246 [ 4790.624940] RAX: ffffffffffffffff RBX: 000000000000000e RCX: 00007f276d19f000 [ 4790.625309] RDX: ffff992144b550e8 RSI: 000000000000000c RDI: ffff992143e79140 [ 4790.625676] RBP: ffffad3040233e88 R08: 0000000000000000 R09: 0000000000000000 [ 4790.626035] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144b5500c [ 4790.626394] R13: ffff992144b55000 R14: 000000000000000d R15: ffffffff8ad3c4cf [ 4790.626763] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 4790.627170] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4790.627464] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 4790.627836] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4790.628197] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4790.628557] PKRU: 55555554 [ 4790.628709] Call Trace: [ 4790.628841] <IRQ> [ 4790.628953] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 4790.629185] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 4790.629423] ? cpuacct_charge+0x3e/0x120 [ 4790.629635] ? lock_release+0x1d3/0x270 [ 4790.629840] ? lock_acquire+0x179/0x2b0 [ 4790.630040] ? cpuacct_account_field+0x23/0xf0 [ 4790.630269] ? update_process_times+0x5f/0x90 [ 4790.630497] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 4790.630776] ? tick_sched_handle+0x33/0x50 [ 4790.630989] ? tick_nohz_highres_handler+0x71/0x90 [ 4790.631236] ? __hrtimer_run_queues+0x86/0x390 [ 4790.631466] ? hrtimer_interrupt+0x100/0x240 [ 4790.631698] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 4790.631971] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 4790.632231] </IRQ> [ 4790.632346] <TASK> [ 4790.632461] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 4790.632740] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 4790.632987] ? mtree_range_walk+0x241/0x350 [ 4790.633204] ? mtree_range_walk+0x72/0x350 [ 4790.633414] ? lock_vma_under_rcu+0xb3/0x4a0 [ 4790.633646] mas_walk+0x104/0x1f0 [ 4790.633819] lock_vma_under_rcu+0x18a/0x4a0 [ 4790.634036] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 4790.634280] do_user_addr_fault+0x138/0x830 [ 4790.634498] exc_page_fault+0x6e/0x1d0 [ 4790.634699] asm_exc_page_fault+0x26/0x30 [ 4790.634918] RIP: 0033:0x7f276e95de40 [ 4790.635120] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 4790.635433] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 4790.635707] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 4790.636066] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 4790.636423] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 4790.636790] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 4790.637151] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 4790.637514] </TASK> [ 4868.641303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4868.641651] rcu: 2-....: (4234401 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=956568 [ 4868.642155] rcu: (t=4239057 jiffies g=162497 q=3364 ncpus=4) [ 4868.642454] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 4868.642904] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4868.643480] RIP: 0010:rcu_is_watching+0x1c/0x40 [ 4868.643719] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 65 ff 05 dd 71 23 75 48 c7 c0 20 b2 02 00 65 48 03 05 e6 da 21 75 8b 00 <c1> e8 02 83 e0 01 65 ff 0d bf 71 23 75 74 05 c3 cc cc cc cc 0f 1f [ 4868.644655] RSP: 0000:ffffad3040233e38 EFLAGS: 00000282 [ 4868.644922] RAX: 0000000001703b8c RBX: 00007f276e95de40 RCX: 0000000000000000 [ 4868.645283] RDX: 0000000000000001 RSI: ffffffff8afbbb7d RDI: ffffffff8c77b8c0 [ 4868.645649] RBP: ffffffff8c77b8c0 R08: 0000000000000000 R09: 0000000000000000 [ 4868.646009] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 4868.646376] R13: 00007f276e95de40 R14: ffffffff8afbbb7d R15: 0000000000000000 [ 4868.646737] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 4868.647142] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4868.647441] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 4868.647802] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4868.648161] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4868.648525] PKRU: 55555554 [ 4868.648669] Call Trace: [ 4868.648801] <IRQ> [ 4868.648911] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 4868.649139] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 4868.649384] ? cpuacct_charge+0x3e/0x120 [ 4868.649589] ? lock_release+0x1d3/0x270 [ 4868.649788] ? lock_acquire+0x179/0x2b0 [ 4868.649988] ? cpuacct_account_field+0x23/0xf0 [ 4868.650217] ? update_process_times+0x5f/0x90 [ 4868.650449] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 4868.650721] ? tick_sched_handle+0x33/0x50 [ 4868.650932] ? tick_nohz_highres_handler+0x71/0x90 [ 4868.651177] ? __hrtimer_run_queues+0x86/0x390 [ 4868.651413] ? hrtimer_interrupt+0x100/0x240 [ 4868.651637] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 4868.651905] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 4868.652163] </IRQ> [ 4868.652277] <TASK> [ 4868.652397] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 4868.652671] ? lock_vma_under_rcu+0x17d/0x4a0 [ 4868.652900] ? lock_vma_under_rcu+0x17d/0x4a0 [ 4868.653125] ? rcu_is_watching+0x1c/0x40 [ 4868.653336] lock_release+0x1d3/0x270 [ 4868.653529] ? lock_vma_under_rcu+0xb3/0x4a0 [ 4868.653750] lock_vma_under_rcu+0x182/0x4a0 [ 4868.653967] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 4868.654211] do_user_addr_fault+0x138/0x830 [ 4868.654436] exc_page_fault+0x6e/0x1d0 [ 4868.654631] asm_exc_page_fault+0x26/0x30 [ 4868.654851] RIP: 0033:0x7f276e95de40 [ 4868.655043] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 4868.655361] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 4868.655630] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 4868.655990] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 4868.656355] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 4868.656716] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 4868.657077] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 4868.657445] </TASK> [ 4946.661302] rcu: INFO: rcu_preempt self-detected stall on CPU [ 4946.661642] rcu: 2-....: (4312406 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=973424 [ 4946.662151] rcu: (t=4317077 jiffies g=162497 q=3384 ncpus=4) [ 4946.662448] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 4946.662899] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4946.663473] RIP: 0010:lock_acquire+0x101/0x2b0 [ 4946.663709] Code: b9 01 00 00 4d 85 ff 74 01 fb 48 8b 44 24 30 65 48 2b 04 25 28 00 00 00 0f 85 b3 01 00 00 48 83 c4 38 5b 5d 41 5c 41 5d 41 5e <41> 5f c3 cc cc cc cc 65 8b 05 8d a0 26 75 89 c0 48 0f a3 05 c7 41 [ 4946.664642] RSP: 0000:ffffad3040233e70 EFLAGS: 00000286 [ 4946.664910] RAX: 0000000000000000 RBX: 00007f276e95de40 RCX: 0000000000000000 [ 4946.665271] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8c77b8c0 [ 4946.665633] RBP: ffffffff8afbbab3 R08: 0000000000000000 R09: 0000000000000000 [ 4946.665994] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 4946.666353] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 4946.666895] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 4946.667603] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4946.667902] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 4946.668264] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4946.668625] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4946.668986] PKRU: 55555554 [ 4946.669129] Call Trace: [ 4946.669261] <IRQ> [ 4946.669374] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 4946.669606] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 4946.669840] ? cpuacct_charge+0x3e/0x120 [ 4946.670046] ? lock_release+0x1d3/0x270 [ 4946.670247] ? lock_acquire+0x179/0x2b0 [ 4946.670446] ? cpuacct_account_field+0x23/0xf0 [ 4946.670678] ? update_process_times+0x5f/0x90 [ 4946.670903] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 4946.671177] ? tick_sched_handle+0x33/0x50 [ 4946.671388] ? tick_nohz_highres_handler+0x71/0x90 [ 4946.671636] ? __hrtimer_run_queues+0x86/0x390 [ 4946.671868] ? hrtimer_interrupt+0x100/0x240 [ 4946.672094] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 4946.672362] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 4946.672621] </IRQ> [ 4946.672734] <TASK> [ 4946.672848] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 4946.673121] ? lock_vma_under_rcu+0xb3/0x4a0 [ 4946.673345] ? lock_acquire+0x101/0x2b0 [ 4946.673544] lock_vma_under_rcu+0x149/0x4a0 [ 4946.673762] ? lock_vma_under_rcu+0xb3/0x4a0 [ 4946.673982] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 4946.674227] do_user_addr_fault+0x138/0x830 [ 4946.674453] exc_page_fault+0x6e/0x1d0 [ 4946.674649] asm_exc_page_fault+0x26/0x30 [ 4946.674860] RIP: 0033:0x7f276e95de40 [ 4946.675052] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 4946.675367] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 4946.675632] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 4946.675994] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 4946.676355] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 4946.676715] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 4946.677074] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 4946.677437] </TASK> [ 5024.681303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5024.681628] rcu: 2-....: (4390411 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=989978 [ 5024.682135] rcu: (t=4395097 jiffies g=162497 q=3403 ncpus=4) [ 5024.682430] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 5024.682879] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5024.683452] RIP: 0010:rcu_is_watching+0xb/0x40 [ 5024.683686] Code: 48 89 90 70 01 00 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 65 ff 05 dd 71 23 75 <48> c7 c0 20 b2 02 00 65 48 03 05 e6 da 21 75 8b 00 c1 e8 02 83 e0 [ 5024.684616] RSP: 0000:ffffad3040233e38 EFLAGS: 00000203 [ 5024.684883] RAX: 0000000000000002 RBX: 00007f276e95de40 RCX: 0000000000000000 [ 5024.685242] RDX: 0000000000000001 RSI: ffffffff8afbbb7d RDI: ffffffff8c77b8c0 [ 5024.685603] RBP: ffffffff8c77b8c0 R08: 0000000000000000 R09: 0000000000000000 [ 5024.685963] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 5024.686323] R13: 00007f276e95de40 R14: ffffffff8afbbb7d R15: 0000000000000000 [ 5024.686684] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 5024.687094] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5024.687387] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 5024.687749] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5024.688110] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5024.688471] PKRU: 55555554 [ 5024.688613] Call Trace: [ 5024.688744] <IRQ> [ 5024.688857] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 5024.689087] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 5024.689321] ? cpuacct_charge+0x3e/0x120 [ 5024.689529] ? lock_release+0x1d3/0x270 [ 5024.689730] ? lock_acquire+0x179/0x2b0 [ 5024.689930] ? cpuacct_account_field+0x23/0xf0 [ 5024.690162] ? update_process_times+0x5f/0x90 [ 5024.690387] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 5024.690662] ? tick_sched_handle+0x33/0x50 [ 5024.690873] ? tick_nohz_highres_handler+0x71/0x90 [ 5024.691120] ? __hrtimer_run_queues+0x86/0x390 [ 5024.691352] ? hrtimer_interrupt+0x100/0x240 [ 5024.691574] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 5024.691843] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 5024.692101] </IRQ> [ 5024.692214] <TASK> [ 5024.692330] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 5024.692603] ? lock_vma_under_rcu+0x17d/0x4a0 [ 5024.692831] ? lock_vma_under_rcu+0x17d/0x4a0 [ 5024.693058] ? rcu_is_watching+0xb/0x40 [ 5024.693257] lock_release+0x1d3/0x270 [ 5024.693449] ? lock_vma_under_rcu+0xb3/0x4a0 [ 5024.693673] lock_vma_under_rcu+0x182/0x4a0 [ 5024.693893] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 5024.694139] do_user_addr_fault+0x138/0x830 [ 5024.694357] exc_page_fault+0x6e/0x1d0 [ 5024.694554] asm_exc_page_fault+0x26/0x30 [ 5024.694765] RIP: 0033:0x7f276e95de40 [ 5024.694956] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 5024.695270] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 5024.695536] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 5024.695898] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 5024.696259] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 5024.696618] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 5024.696980] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 5024.697342] </TASK> [ 5102.701303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5102.701637] rcu: 2-....: (4468416 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=1006554 [ 5102.702150] rcu: (t=4473117 jiffies g=162497 q=3423 ncpus=4) [ 5102.702452] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 5102.702905] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5102.703485] RIP: 0010:mas_walk+0x0/0x1f0 [ 5102.703692] Code: 0f 84 3c ff ff ff 4c 89 63 18 5b 5d 41 5c c3 cc cc cc cc 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 41 54 53 48 89 fb c7 47 38 01 00 00 00 48 c7 43 20 00 [ 5102.704625] RSP: 0000:ffffad3040233e80 EFLAGS: 00000282 [ 5102.704894] RAX: 0000000000000000 RBX: 00007f276e95de40 RCX: 0000000000000000 [ 5102.705256] RDX: 0000000000000001 RSI: ffffffff8afbbb7d RDI: ffffad3040233e88 [ 5102.705617] RBP: ffffffff8afbbab3 R08: 0000000000000000 R09: 0000000000000000 [ 5102.705978] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 5102.706341] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 5102.706705] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 5102.707113] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5102.707409] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 5102.707773] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5102.708139] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5102.708498] PKRU: 55555554 [ 5102.708643] Call Trace: [ 5102.708776] <IRQ> [ 5102.708888] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 5102.709118] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 5102.709356] ? cpuacct_charge+0x3e/0x120 [ 5102.709560] ? lock_release+0x1d3/0x270 [ 5102.709761] ? lock_acquire+0x179/0x2b0 [ 5102.709964] ? cpuacct_account_field+0x23/0xf0 [ 5102.710195] ? update_process_times+0x5f/0x90 [ 5102.710424] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 5102.710696] ? tick_sched_handle+0x33/0x50 [ 5102.710912] ? tick_nohz_highres_handler+0x71/0x90 [ 5102.711159] ? __hrtimer_run_queues+0x86/0x390 [ 5102.711391] ? hrtimer_interrupt+0x100/0x240 [ 5102.711615] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 5102.711882] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 5102.712139] </IRQ> [ 5102.712253] <TASK> [ 5102.712369] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 5102.712640] ? lock_vma_under_rcu+0xb3/0x4a0 [ 5102.712866] ? lock_vma_under_rcu+0x17d/0x4a0 [ 5102.713090] ? __pfx_mas_walk+0x10/0x10 [ 5102.713290] lock_vma_under_rcu+0x18a/0x4a0 [ 5102.713511] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 5102.713756] do_user_addr_fault+0x138/0x830 [ 5102.713974] exc_page_fault+0x6e/0x1d0 [ 5102.714170] asm_exc_page_fault+0x26/0x30 [ 5102.714383] RIP: 0033:0x7f276e95de40 [ 5102.714585] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 5102.714901] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 5102.715168] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 5102.715531] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 5102.715893] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 5102.716261] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 5102.716623] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 5102.716986] </TASK> [ 5180.720302] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5180.720641] rcu: 2-....: (4546421 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=1024034 [ 5180.721160] rcu: (t=4551136 jiffies g=162497 q=3442 ncpus=4) [ 5180.721458] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 5180.721913] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5180.722490] RIP: 0010:mtree_range_walk+0x0/0x350 [ 5180.722739] Code: 8c c6 05 90 3e dd 00 01 e8 ed 6c 31 ff 48 8b 0c 24 e9 2d ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <41> 57 41 56 41 55 41 54 55 48 89 fd 53 48 83 ec 30 48 8b 47 20 4c [ 5180.723672] RSP: 0000:ffffad3040233e68 EFLAGS: 00000282 [ 5180.723945] RAX: 0000000000000000 RBX: ffffad3040233e88 RCX: 0000000000000000 [ 5180.724310] RDX: 00000000fffffffe RSI: ffffffff8afbbb7d RDI: ffffad3040233e88 [ 5180.724669] RBP: ffffffff8afbbab3 R08: 0000000000000000 R09: 0000000000000000 [ 5180.725032] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144b55000 [ 5180.725396] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 5180.725760] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 5180.726168] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5180.726463] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 5180.726826] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5180.727188] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5180.727548] PKRU: 55555554 [ 5180.727692] Call Trace: [ 5180.727825] <IRQ> [ 5180.727939] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 5180.728171] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 5180.728408] ? cpuacct_charge+0x3e/0x120 [ 5180.728613] ? lock_release+0x1d3/0x270 [ 5180.728813] ? lock_acquire+0x179/0x2b0 [ 5180.729015] ? cpuacct_account_field+0x23/0xf0 [ 5180.729244] ? update_process_times+0x5f/0x90 [ 5180.729473] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 5180.729745] ? tick_sched_handle+0x33/0x50 [ 5180.729958] ? tick_nohz_highres_handler+0x71/0x90 [ 5180.730205] ? __hrtimer_run_queues+0x86/0x390 [ 5180.730435] ? hrtimer_interrupt+0x100/0x240 [ 5180.730660] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 5180.730927] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 5180.731185] </IRQ> [ 5180.731300] <TASK> [ 5180.731416] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 5180.731690] ? lock_vma_under_rcu+0xb3/0x4a0 [ 5180.731915] ? lock_vma_under_rcu+0x17d/0x4a0 [ 5180.732140] ? __pfx_mtree_range_walk+0x10/0x10 [ 5180.732376] mas_walk+0x104/0x1f0 [ 5180.732552] lock_vma_under_rcu+0x18a/0x4a0 [ 5180.732767] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 5180.733017] do_user_addr_fault+0x138/0x830 [ 5180.733243] exc_page_fault+0x6e/0x1d0 [ 5180.733440] asm_exc_page_fault+0x26/0x30 [ 5180.733649] RIP: 0033:0x7f276e95de40 [ 5180.733842] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 5180.734156] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 5180.734423] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 5180.734784] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 5180.735146] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 5180.735508] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 5180.735867] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 5180.736231] </TASK> [ 5258.740302] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5258.740629] rcu: 2-....: (4624426 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=1041748 [ 5258.741141] rcu: (t=4629156 jiffies g=162497 q=3462 ncpus=4) [ 5258.741439] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 5258.741889] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5258.742463] RIP: 0010:mas_walk+0x31/0x1f0 [ 5258.742678] Code: 48 89 fb c7 47 38 01 00 00 00 48 c7 43 20 00 00 00 00 48 c7 43 28 ff ff ff ff c6 43 3c 00 48 8b 03 4c 8b 60 48 e8 af 8e 02 00 <85> c0 74 39 48 8b 3b 8b 47 40 25 00 03 00 00 3d 00 03 00 00 0f 85 [ 5258.743608] RSP: 0000:ffffad3040233e70 EFLAGS: 00000246 [ 5258.743876] RAX: 0000000000000000 RBX: ffffad3040233e88 RCX: 0000000000000000 [ 5258.744238] RDX: 0000000000000001 RSI: ffffffff8afbbb7d RDI: ffffad3040233e88 [ 5258.744601] RBP: ffffffff8afbbab3 R08: 0000000000000000 R09: 0000000000000000 [ 5258.744960] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144b5500e [ 5258.745322] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 5258.745686] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 5258.746092] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5258.746389] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 5258.746753] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5258.747115] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5258.747473] PKRU: 55555554 [ 5258.747618] Call Trace: [ 5258.747750] <IRQ> [ 5258.747863] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 5258.748092] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 5258.748329] ? cpuacct_charge+0x3e/0x120 [ 5258.748534] ? lock_release+0x1d3/0x270 [ 5258.748734] ? lock_acquire+0x179/0x2b0 [ 5258.748935] ? cpuacct_account_field+0x23/0xf0 [ 5258.749164] ? update_process_times+0x5f/0x90 [ 5258.749393] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 5258.749665] ? tick_sched_handle+0x33/0x50 [ 5258.749878] ? tick_nohz_highres_handler+0x71/0x90 [ 5258.750125] ? __hrtimer_run_queues+0x86/0x390 [ 5258.750355] ? hrtimer_interrupt+0x100/0x240 [ 5258.750580] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 5258.750848] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 5258.751105] </IRQ> [ 5258.751219] <TASK> [ 5258.751336] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 5258.751613] ? lock_vma_under_rcu+0xb3/0x4a0 [ 5258.751838] ? lock_vma_under_rcu+0x17d/0x4a0 [ 5258.752062] ? mas_walk+0x31/0x1f0 [ 5258.752242] lock_vma_under_rcu+0x18a/0x4a0 [ 5258.752460] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 5258.752710] do_user_addr_fault+0x138/0x830 [ 5258.752928] exc_page_fault+0x6e/0x1d0 [ 5258.753124] asm_exc_page_fault+0x26/0x30 [ 5258.753333] RIP: 0033:0x7f276e95de40 [ 5258.753525] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 5258.753840] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 5258.754108] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 5258.754468] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 5258.754828] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 5258.755189] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 5258.755551] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 5258.755912] </TASK> [ 5336.759303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5336.759632] rcu: 2-....: (4702431 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=1059025 [ 5336.760143] rcu: (t=4707175 jiffies g=162497 q=3481 ncpus=4) [ 5336.760441] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 5336.760892] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5336.761466] RIP: 0010:__up_read+0x59/0x210 [ 5336.761686] Code: 05 b4 3d 27 75 48 8b 45 08 65 48 8b 0c 25 00 f1 02 00 48 89 c2 48 83 e2 fc 48 39 ca 75 0e 48 89 c2 83 e2 03 f0 48 0f b1 55 08 <75> e6 48 c7 c0 00 ff ff ff f0 48 0f c1 45 00 8b 0d 46 f0 ad 01 48 [ 5336.762617] RSP: 0000:ffffad3040233e78 EFLAGS: 00000246 [ 5336.762886] RAX: ffff992144cdc281 RBX: 00007f276e95de40 RCX: ffff992144cdc280 [ 5336.763247] RDX: 0000000000000001 RSI: ffffffff8afbbb61 RDI: ffff99214654eb48 [ 5336.763609] RBP: ffff99214654eb48 R08: 0000000000000000 R09: 0000000000000000 [ 5336.763970] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144cc02a0 [ 5336.764329] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 5336.764692] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 5336.765102] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5336.765395] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 5336.765756] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5336.766118] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5336.766479] PKRU: 55555554 [ 5336.766625] Call Trace: [ 5336.766757] <IRQ> [ 5336.766870] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 5336.767102] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 5336.767337] ? cpuacct_charge+0x3e/0x120 [ 5336.767544] ? lock_release+0x1d3/0x270 [ 5336.767745] ? lock_acquire+0x179/0x2b0 [ 5336.767944] ? cpuacct_account_field+0x23/0xf0 [ 5336.768177] ? update_process_times+0x5f/0x90 [ 5336.768402] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 5336.768677] ? tick_sched_handle+0x33/0x50 [ 5336.768888] ? tick_nohz_highres_handler+0x71/0x90 [ 5336.769135] ? __hrtimer_run_queues+0x86/0x390 [ 5336.769372] ? hrtimer_interrupt+0x100/0x240 [ 5336.769595] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 5336.769864] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 5336.770122] </IRQ> [ 5336.770235] <TASK> [ 5336.770351] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 5336.770626] ? lock_vma_under_rcu+0x161/0x4a0 [ 5336.770853] ? __up_read+0x59/0x210 [ 5336.771038] ? up_read+0x1b/0x30 [ 5336.771211] ? lock_vma_under_rcu+0xb3/0x4a0 [ 5336.771433] lock_vma_under_rcu+0x161/0x4a0 [ 5336.771650] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 5336.771896] do_user_addr_fault+0x138/0x830 [ 5336.772115] exc_page_fault+0x6e/0x1d0 [ 5336.772318] asm_exc_page_fault+0x26/0x30 [ 5336.772532] RIP: 0033:0x7f276e95de40 [ 5336.772723] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 5336.773047] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 5336.773315] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 5336.773676] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 5336.774036] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 5336.774399] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 5336.774762] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 5336.775126] </TASK> [ 5414.778303] rcu: INFO: rcu_preempt self-detected stall on CPU [ 5414.778635] rcu: 2-....: (4780436 ticks this GP) idle=3b8c/1/0x4000000000000000 softirq=84809/84809 fqs=1076064 [ 5414.779151] rcu: (t=4785194 jiffies g=162497 q=3501 ncpus=4) [ 5414.779447] CPU: 2 PID: 15661 Comm: (udev-worker) Tainted: G D W 6.8.0-rc2-virtme #1 [ 5414.779896] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5414.780468] RIP: 0010:debug_lockdep_rcu_enabled+0x0/0x40 [ 5414.780742] Code: 90 65 c7 05 ce af 54 74 00 00 00 00 eb c1 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 8b 05 96 78 dc 00 85 c0 74 21 8b 05 44 89 dc 00 85 c0 [ 5414.781670] RSP: 0000:ffffad3040233e68 EFLAGS: 00000282 [ 5414.781943] RAX: ffff992143e79140 RBX: ffffad3040233e88 RCX: 0000000000000000 [ 5414.782304] RDX: 0000000000000001 RSI: ffffffff8afbbb7d RDI: ffffad3040233e88 [ 5414.782665] RBP: ffffffff8afbbab3 R08: 0000000000000000 R09: 0000000000000000 [ 5414.783025] R10: 0000000000000000 R11: 0000000000000000 R12: ffff992144b5500e [ 5414.783384] R13: 00007f276e95de40 R14: ffff992143e79100 R15: 0000000000000000 [ 5414.783747] FS: 00007f276dd2db40(0000) GS:ffff99217ed00000(0000) knlGS:0000000000000000 [ 5414.784156] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5414.784449] CR2: 00007f276e95de16 CR3: 0000000004b60001 CR4: 0000000000770ef0 [ 5414.784810] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5414.785171] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5414.785531] PKRU: 55555554 [ 5414.785674] Call Trace: [ 5414.785806] <IRQ> [ 5414.785918] ? rcu_dump_cpu_stacks+0xfa/0x180 [ 5414.786148] ? rcu_sched_clock_irq+0x7bb/0x13d0 [ 5414.786383] ? cpuacct_charge+0x3e/0x120 [ 5414.786587] ? lock_release+0x1d3/0x270 [ 5414.786789] ? lock_acquire+0x179/0x2b0 [ 5414.786989] ? cpuacct_account_field+0x23/0xf0 [ 5414.787219] ? update_process_times+0x5f/0x90 [ 5414.787446] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 5414.787718] ? tick_sched_handle+0x33/0x50 [ 5414.787931] ? tick_nohz_highres_handler+0x71/0x90 [ 5414.788177] ? __hrtimer_run_queues+0x86/0x390 [ 5414.788407] ? hrtimer_interrupt+0x100/0x240 [ 5414.788630] ? __sysvec_apic_timer_interrupt+0x66/0x1a0 [ 5414.788898] ? sysvec_apic_timer_interrupt+0x73/0x90 [ 5414.789154] </IRQ> [ 5414.789268] <TASK> [ 5414.789383] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 5414.789653] ? lock_vma_under_rcu+0xb3/0x4a0 [ 5414.789878] ? lock_vma_under_rcu+0x17d/0x4a0 [ 5414.790108] ? __pfx_debug_lockdep_rcu_enabled+0x10/0x10 [ 5414.790379] mas_walk+0x31/0x1f0 [ 5414.790551] lock_vma_under_rcu+0x18a/0x4a0 [ 5414.790766] ? __pfx_vm_area_free_rcu_cb+0xf/0x10 [ 5414.791011] do_user_addr_fault+0x138/0x830 [ 5414.791228] exc_page_fault+0x6e/0x1d0 [ 5414.791424] asm_exc_page_fault+0x26/0x30 [ 5414.791636] RIP: 0033:0x7f276e95de40 [ 5414.791828] Code: Unable to access opcode bytes at 0x7f276e95de16. [ 5414.792147] RSP: 002b:00007ffdeae142b8 EFLAGS: 00010202 [ 5414.792413] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00005642dfac084b [ 5414.792773] RDX: 00005647bbd7b530 RSI: 00005647bbd76010 RDI: 00005647bbd7b1c8 [ 5414.793134] RBP: 00005647bbd7b1c0 R08: 00005647bbd7b180 R09: 0000000000000000 [ 5414.793492] R10: 0000000000000010 R11: 39adf3194266c265 R12: 00007ffdeae14380 [ 5414.793853] R13: 00005647bbd772b0 R14: 00005647bbdc3240 R15: 0000000000000000 [ 5414.794216] </TASK> WAIT TIMEOUT stdout Ctrl-C stdout Ctrl-C stdout ^C WAIT TIMEOUT stdout