====================================== | [ 93.102868][ T288] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 93.103033][ T288] | [ 93.103137][ T288] | [ 93.103137][ T288] stack backtrace: [ 93.103730][ T288] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 93.104121][ T288] Workqueue: bond0 bond_mii_monitor [ 93.104311][ T288] Call Trace: [ 93.104442][ T288] [ 93.104530][ T288] dump_stack_lvl (lib/dump_stack.c:117) [ 93.104710][ T288] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 93.104871][ T288] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 93.105148][ T288] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 93.105369][ T288] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 93.105531][ T288] ? __bfs (kernel/locking/lockdep.c:1787) [ 93.105666][ T288] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 93.105943][ T288] check_irq_usage (kernel/locking/lockdep.c:2871) [ 93.106108][ T288] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 93.106293][ T288] ? __bfs (kernel/locking/lockdep.c:1787) [ 93.106416][ T288] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 93.106674][ T288] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 93.106822][ T288] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 93.106993][ T288] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 93.107162][ T288] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 93.107340][ T288] check_prev_add (kernel/locking/lockdep.c:3138) [ 93.107599][ T288] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 93.107759][ T288] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 93.107949][ T288] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 93.108073][ T288] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 93.108386][ T288] ? 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) [ 93.108562][ T288] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 93.108704][ T288] __lock_acquire (kernel/locking/lockdep.c:5137) [ 93.108893][ T288] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 93.109073][ T288] ? __get_task_comm (fs/exec.c:1234) [ 93.109250][ T288] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 93.109372][ T288] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 93.109567][ T288] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 93.109729][ T288] ? __get_task_comm (fs/exec.c:1234) [ 93.109998][ T288] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 93.110176][ T288] ? __get_task_comm (fs/exec.c:1234) [ 93.110345][ T288] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 93.110506][ T288] ? __get_task_comm (fs/exec.c:1234) [ 93.110777][ T288] __get_task_comm (fs/exec.c:1234) [ 93.110975][ T288] ref_tracker_alloc (lib/ref_tracker.c:217) [ 93.111140][ T288] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 93.111317][ T288] ? dst_init (net/core/dst.c:53) [ 93.111452][ T288] ? dst_alloc (net/core/dst.c:96) [ 93.111664][ T288] ? ip6_dst_alloc (net/ipv6/route.c:343) [ 93.111847][ T288] ? icmp6_dst_alloc (net/ipv6/route.c:3273) [ 93.112015][ T288] ? ndisc_send_skb (net/ipv6/ndisc.c:490) [ 93.112193][ T288] ? ndisc_send_na (net/ipv6/ndisc.c:524) [ 93.112456][ T288] ? ndisc_send_unsol_na (net/ipv6/ndisc.c:593) [ 93.112618][ T288] ? ndisc_netdev_event (net/ipv6/ndisc.c:1931) [ 93.112798][ T288] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 93.112960][ T288] ? call_netdevice_notifiers (net/core/dev.c:2028) [ 93.113140][ T288] ? bond_change_active_slave (drivers/net/bonding/bond_main.c:1240) [ 93.113343][ T288] ? bond_select_active_slave (drivers/net/bonding/bond_main.c:1284) [ 93.113543][ T288] ? 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) [ 93.113703][ T288] ? bond_mii_monitor (drivers/net/bonding/bond_main.c:2850) [ 93.113865][ T288] ? process_one_work (kernel/workqueue.c:3254) [ 93.114116][ T288] ? worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 93.114275][ T288] ? __create_object (mm/kmemleak.c:756) [ 93.114436][ T288] dst_init (net/core/dst.c:53) [ 93.114557][ T288] dst_alloc (net/core/dst.c:96) [ 93.114765][ T288] ip6_dst_alloc (net/ipv6/route.c:343) [ 93.114930][ T288] icmp6_dst_alloc (net/ipv6/route.c:3273) [ 93.115091][ T288] ndisc_send_skb (net/ipv6/ndisc.c:490) [ 93.115250][ T288] ? __pfx_ndisc_send_skb (net/ipv6/ndisc.c:473) [ 93.115412][ T288] ? 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) [ 93.115741][ T288] ndisc_send_na (net/ipv6/ndisc.c:524) [ 93.115899][ T288] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 93.116060][ T288] ? __pfx_ndisc_send_na (net/ipv6/ndisc.c:524) [ 93.116219][ T288] ? ndisc_send_unsol_na (net/ipv6/ndisc.c:587) [ 93.116551][ T288] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 93.116720][ T288] ? ndisc_send_unsol_na (net/ipv6/ndisc.c:587) [ 93.116894][ T288] ndisc_send_unsol_na (net/ipv6/ndisc.c:593) [ 93.117081][ T288] ndisc_netdev_event (net/ipv6/ndisc.c:1931) [ 93.117245][ T288] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 93.117425][ T288] call_netdevice_notifiers (net/core/dev.c:2028) [ 93.117590][ T288] ? __pfx_call_netdevice_notifiers (net/core/dev.c:2028) [ 93.117791][ T288] ? 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) [ 93.118063][ T288] bond_change_active_slave (drivers/net/bonding/bond_main.c:1240) [ 93.118241][ T288] ? __pfx_bond_change_active_slave (drivers/net/bonding/bond_main.c:1161) [ 93.118464][ T288] bond_select_active_slave (drivers/net/bonding/bond_main.c:1284) [ 93.118634][ T288] ? __pfx_bond_select_active_slave (drivers/net/bonding/bond_main.c:1275) [ 93.118951][ T288] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 93.119170][ T288] 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) [ 93.119357][ T288] ? __pfx_bond_miimon_commit (drivers/net/bonding/bond_main.c:2708) [ 93.119550][ T288] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 93.119823][ T288] ? bond_mii_monitor (drivers/net/bonding/bond_main.c:2839) [ 93.119997][ T288] bond_mii_monitor (drivers/net/bonding/bond_main.c:2850) [ 93.120191][ T288] ? __pfx_bond_mii_monitor (drivers/net/bonding/bond_main.c:2810) [ 93.120354][ T288] ? process_one_work (kernel/workqueue.c:3230) [ 93.120619][ T288] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 93.120787][ T288] ? process_one_work (kernel/workqueue.c:3230) [ 93.120950][ T288] process_one_work (kernel/workqueue.c:3254) [ 93.121140][ T288] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 93.121411][ T288] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 93.121581][ T288] ? assign_work (kernel/workqueue.c:1209) [ 93.121730][ T288] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 93.121891][ T288] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 93.122111][ T288] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 93.122269][ T288] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 93.122478][ T288] kthread (kernel/kthread.c:388) [ 93.122607][ T288] ? __pfx_kthread (kernel/kthread.c:341) [ 93.122793][ T288] ret_from_fork (arch/x86/kernel/process.c:147) [ 93.123055][ T288] ? __pfx_kthread (kernel/kthread.c:341) Finger prints: ret_from_fork_asm:dump_stack_lvl:print_bad_irq_dependency:check_irq_usage