====================================== | [ 41.151650][ T263] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 41.151808][ T263] | [ 41.151882][ T263] | [ 41.151882][ T263] stack backtrace: [ 41.152423][ T263] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 41.152750][ T263] Workqueue: bond0 bond_mii_monitor [ 41.152902][ T263] Call Trace: [ 41.153021][ T263] [ 41.153113][ T263] dump_stack_lvl (lib/dump_stack.c:117) [ 41.153281][ T263] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 41.153426][ T263] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 41.153582][ T263] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 41.153950][ T263] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 41.154102][ T263] ? __bfs (kernel/locking/lockdep.c:1787) [ 41.154213][ T263] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 41.154361][ T263] check_irq_usage (kernel/locking/lockdep.c:2871) [ 41.154614][ T263] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 41.154843][ T263] ? __bfs (kernel/locking/lockdep.c:1787) [ 41.154961][ T263] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 41.155109][ T263] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 41.155354][ T263] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 41.155599][ T263] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 41.155761][ T263] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 41.155935][ T263] check_prev_add (kernel/locking/lockdep.c:3138) [ 41.156091][ T263] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 41.156270][ T263] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 41.156535][ T263] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 41.156662][ T263] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 41.156816][ T263] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 41.156961][ T263] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 41.157078][ T263] __lock_acquire (kernel/locking/lockdep.c:5137) [ 41.157325][ T263] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 41.157468][ T263] ? __get_task_comm (fs/exec.c:1234) [ 41.157638][ T263] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 41.157752][ T263] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 41.157897][ T263] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 41.158142][ T263] ? __get_task_comm (fs/exec.c:1234) [ 41.158303][ T263] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 41.158447][ T263] ? __get_task_comm (fs/exec.c:1234) [ 41.158603][ T263] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 41.158750][ T263] ? __get_task_comm (fs/exec.c:1234) [ 41.158999][ T263] __get_task_comm (fs/exec.c:1234) [ 41.159150][ T263] ref_tracker_alloc (lib/ref_tracker.c:217) [ 41.159305][ T263] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 41.159452][ T263] ? dst_init (net/core/dst.c:53) [ 41.159563][ T263] ? dst_alloc (net/core/dst.c:96) [ 41.159772][ T263] ? ip6_dst_alloc (net/ipv6/route.c:343) [ 41.159926][ T263] ? icmp6_dst_alloc (net/ipv6/route.c:3273) [ 41.160169][ T263] ? ndisc_send_skb (net/ipv6/ndisc.c:490) [ 41.160326][ T263] ? ndisc_send_na (net/ipv6/ndisc.c:524) [ 41.160478][ T263] ? ndisc_send_unsol_na (net/ipv6/ndisc.c:593) [ 41.160660][ T263] ? ndisc_netdev_event (net/ipv6/ndisc.c:1931) [ 41.161009][ T263] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 41.161174][ T263] ? call_netdevice_notifiers (net/core/dev.c:2028) [ 41.161347][ T263] ? bond_change_active_slave (drivers/net/bonding/bond_main.c:1240) [ 41.161548][ T263] ? bond_select_active_slave (drivers/net/bonding/bond_main.c:1284) [ 41.161813][ T263] ? bond_miimon_commit (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:592 ./include/net/bonding.h:103 drivers/net/bonding/bond_main.c:2796) [ 41.161963][ T263] ? bond_mii_monitor (drivers/net/bonding/bond_main.c:2850) [ 41.162135][ T263] ? process_one_work (kernel/workqueue.c:3254) [ 41.162324][ T263] ? worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 41.162566][ T263] ? __create_object (mm/kmemleak.c:756) [ 41.162718][ T263] dst_init (net/core/dst.c:53) [ 41.162834][ T263] dst_alloc (net/core/dst.c:96) [ 41.162947][ T263] ip6_dst_alloc (net/ipv6/route.c:343) [ 41.163124][ T263] icmp6_dst_alloc (net/ipv6/route.c:3273) [ 41.163373][ T263] ndisc_send_skb (net/ipv6/ndisc.c:490) [ 41.163533][ T263] ? __pfx_ndisc_send_skb (net/ipv6/ndisc.c:473) [ 41.163713][ T263] ? skb_set_owner_w (./arch/x86/include/asm/atomic.h:97 ./include/linux/atomic/atomic-arch-fallback.h:749 ./include/linux/atomic/atomic-instrumented.h:253 ./include/linux/refcount.h:184 ./include/linux/refcount.h:213 net/core/sock.c:2523) [ 41.163878][ T263] ndisc_send_na (net/ipv6/ndisc.c:524) [ 41.164136][ T263] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 41.164297][ T263] ? __pfx_ndisc_send_na (net/ipv6/ndisc.c:524) [ 41.164454][ T263] ? ndisc_send_unsol_na (net/ipv6/ndisc.c:587) [ 41.164622][ T263] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 41.164875][ T263] ? ndisc_send_unsol_na (net/ipv6/ndisc.c:587) [ 41.165040][ T263] ndisc_send_unsol_na (net/ipv6/ndisc.c:593) [ 41.165300][ T263] ndisc_netdev_event (net/ipv6/ndisc.c:1931) [ 41.165554][ T263] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 41.165904][ T263] call_netdevice_notifiers (net/core/dev.c:2028) [ 41.166077][ T263] ? __pfx_call_netdevice_notifiers (net/core/dev.c:2028) [ 41.166265][ T263] ? bond_should_notify_peers (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 drivers/net/bonding/bond_main.c:1136) [ 41.166435][ T263] bond_change_active_slave (drivers/net/bonding/bond_main.c:1240) [ 41.166596][ T263] ? __pfx_bond_change_active_slave (drivers/net/bonding/bond_main.c:1161) [ 41.166799][ T263] bond_select_active_slave (drivers/net/bonding/bond_main.c:1284) [ 41.166957][ T263] ? __pfx_bond_select_active_slave (drivers/net/bonding/bond_main.c:1275) [ 41.167156][ T263] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 41.167449][ T263] bond_miimon_commit (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:592 ./include/net/bonding.h:103 drivers/net/bonding/bond_main.c:2796) [ 41.167632][ T263] ? __pfx_bond_miimon_commit (drivers/net/bonding/bond_main.c:2708) [ 41.167789][ T263] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 41.167943][ T263] ? bond_mii_monitor (drivers/net/bonding/bond_main.c:2839) [ 41.168243][ T263] bond_mii_monitor (drivers/net/bonding/bond_main.c:2850) [ 41.168405][ T263] ? __pfx_bond_mii_monitor (drivers/net/bonding/bond_main.c:2810) [ 41.168553][ T263] ? process_one_work (kernel/workqueue.c:3230) [ 41.168700][ T263] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 41.168849][ T263] ? process_one_work (kernel/workqueue.c:3230) [ 41.169000][ T263] process_one_work (kernel/workqueue.c:3254) [ 41.169156][ T263] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 41.169301][ T263] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 41.169452][ T263] ? assign_work (kernel/workqueue.c:1209) [ 41.169605][ T263] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 41.169752][ T263] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 41.169931][ T263] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 41.170082][ T263] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 41.170233][ T263] kthread (kernel/kthread.c:388) [ 41.170341][ T263] ? __pfx_kthread (kernel/kthread.c:341) [ 41.170503][ T263] ret_from_fork (arch/x86/kernel/process.c:147) [ 41.170652][ T263] ? __pfx_kthread (kernel/kthread.c:341) Finger prints: ret_from_fork_asm:dump_stack_lvl:print_bad_irq_dependency:check_irq_usage