====================================== | [ 43.138766][ T253] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 43.138925][ T253] | [ 43.139088][ T253] | [ 43.139088][ T253] stack backtrace: [ 43.139519][ T253] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 43.140039][ T253] Workqueue: bond0 bond_mii_monitor [ 43.140202][ T253] Call Trace: [ 43.140329][ T253] [ 43.140413][ T253] dump_stack_lvl (lib/dump_stack.c:117) [ 43.140577][ T253] print_bad_irq_dependency (kernel/locking/lockdep.c:2626) [ 43.140737][ T253] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 43.140898][ T253] ? __pfx_print_bad_irq_dependency (kernel/locking/lockdep.c:2569) [ 43.141140][ T253] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 43.141385][ T253] ? __bfs (kernel/locking/lockdep.c:1787) [ 43.141505][ T253] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 43.141666][ T253] check_irq_usage (kernel/locking/lockdep.c:2871) [ 43.141825][ T253] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) [ 43.141984][ T253] ? __bfs (kernel/locking/lockdep.c:1787) [ 43.142187][ T253] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) [ 43.142344][ T253] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 43.142503][ T253] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 43.142664][ T253] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 43.142917][ T253] ? check_prev_add (kernel/locking/lockdep.c:3138) [ 43.143076][ T253] check_prev_add (kernel/locking/lockdep.c:3138) [ 43.143233][ T253] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3759 kernel/locking/lockdep.c:3782 kernel/locking/lockdep.c:3837) [ 43.143392][ T253] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 43.143556][ T253] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 43.143676][ T253] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 43.143833][ T253] ? 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) [ 43.143991][ T253] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 43.144113][ T253] __lock_acquire (kernel/locking/lockdep.c:5137) [ 43.144364][ T253] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 43.144521][ T253] ? __get_task_comm (fs/exec.c:1234) [ 43.144680][ T253] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 43.144801][ T253] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 43.144961][ T253] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 43.145201][ T253] ? __get_task_comm (fs/exec.c:1234) [ 43.145357][ T253] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 43.145512][ T253] ? __get_task_comm (fs/exec.c:1234) [ 43.145669][ T253] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 43.145920][ T253] ? __get_task_comm (fs/exec.c:1234) [ 43.146081][ T253] __get_task_comm (fs/exec.c:1234) [ 43.146238][ T253] ref_tracker_alloc (lib/ref_tracker.c:217) [ 43.146395][ T253] ? __pfx_ref_tracker_alloc (lib/ref_tracker.c:193) [ 43.146556][ T253] ? dst_init (net/core/dst.c:53) [ 43.146690][ T253] ? dst_alloc (net/core/dst.c:96) [ 43.146809][ T253] ? ip6_dst_alloc (net/ipv6/route.c:343) [ 43.146970][ T253] ? icmp6_dst_alloc (net/ipv6/route.c:3273) [ 43.147127][ T253] ? ndisc_send_skb (net/ipv6/ndisc.c:490) [ 43.147372][ T253] ? ndisc_send_na (net/ipv6/ndisc.c:524) [ 43.147532][ T253] ? ndisc_send_unsol_na (net/ipv6/ndisc.c:593) [ 43.147691][ T253] ? ndisc_netdev_event (net/ipv6/ndisc.c:1931) [ 43.147845][ T253] ? notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 43.148085][ T253] ? call_netdevice_notifiers (net/core/dev.c:2028) [ 43.148241][ T253] ? bond_change_active_slave (drivers/net/bonding/bond_main.c:1240) [ 43.148432][ T253] ? bond_select_active_slave (drivers/net/bonding/bond_main.c:1284) [ 43.148589][ T253] ? 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) [ 43.148832][ T253] ? bond_mii_monitor (drivers/net/bonding/bond_main.c:2850) [ 43.148987][ T253] ? process_one_work (kernel/workqueue.c:3254) [ 43.149169][ T253] ? worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 43.149332][ T253] ? __create_object (mm/kmemleak.c:756) [ 43.149490][ T253] dst_init (net/core/dst.c:53) [ 43.149689][ T253] dst_alloc (net/core/dst.c:96) [ 43.149805][ T253] ip6_dst_alloc (net/ipv6/route.c:343) [ 43.149964][ T253] icmp6_dst_alloc (net/ipv6/route.c:3273) [ 43.150120][ T253] ndisc_send_skb (net/ipv6/ndisc.c:490) [ 43.150356][ T253] ? __pfx_ndisc_send_skb (net/ipv6/ndisc.c:473) [ 43.150509][ T253] ? 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) [ 43.150662][ T253] ndisc_send_na (net/ipv6/ndisc.c:524) [ 43.150812][ T253] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 43.150967][ T253] ? __pfx_ndisc_send_na (net/ipv6/ndisc.c:524) [ 43.151213][ T253] ? ndisc_send_unsol_na (net/ipv6/ndisc.c:587) [ 43.151364][ T253] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 43.151519][ T253] ? ndisc_send_unsol_na (net/ipv6/ndisc.c:587) [ 43.151672][ T253] ndisc_send_unsol_na (net/ipv6/ndisc.c:593) [ 43.152002][ T253] ndisc_netdev_event (net/ipv6/ndisc.c:1931) [ 43.152160][ T253] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 43.152315][ T253] call_netdevice_notifiers (net/core/dev.c:2028) [ 43.152466][ T253] ? __pfx_call_netdevice_notifiers (net/core/dev.c:2028) [ 43.152661][ T253] ? 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) [ 43.152812][ T253] bond_change_active_slave (drivers/net/bonding/bond_main.c:1240) [ 43.153000][ T253] ? __pfx_bond_change_active_slave (drivers/net/bonding/bond_main.c:1161) [ 43.153184][ T253] bond_select_active_slave (drivers/net/bonding/bond_main.c:1284) [ 43.153412][ T253] ? __pfx_bond_select_active_slave (drivers/net/bonding/bond_main.c:1275) [ 43.153590][ T253] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 43.153765][ T253] 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) [ 43.153912][ T253] ? __pfx_bond_miimon_commit (drivers/net/bonding/bond_main.c:2708) [ 43.154139][ T253] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 43.154283][ T253] ? bond_mii_monitor (drivers/net/bonding/bond_main.c:2839) [ 43.154423][ T253] bond_mii_monitor (drivers/net/bonding/bond_main.c:2850) [ 43.154564][ T253] ? __pfx_bond_mii_monitor (drivers/net/bonding/bond_main.c:2810) [ 43.154789][ T253] ? process_one_work (kernel/workqueue.c:3230) [ 43.154939][ T253] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 43.155085][ T253] ? process_one_work (kernel/workqueue.c:3230) [ 43.155241][ T253] process_one_work (kernel/workqueue.c:3254) [ 43.155468][ T253] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 43.155616][ T253] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 43.155763][ T253] ? assign_work (kernel/workqueue.c:1209) [ 43.155910][ T253] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 43.156137][ T253] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 43.156316][ T253] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 43.156464][ T253] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 43.156604][ T253] kthread (kernel/kthread.c:388) [ 43.156715][ T253] ? __pfx_kthread (kernel/kthread.c:341) [ 43.156944][ T253] ret_from_fork (arch/x86/kernel/process.c:147) [ 43.157085][ T253] ? __pfx_kthread (kernel/kthread.c:341) Finger prints: ret_from_fork_asm:dump_stack_lvl:print_bad_irq_dependency:check_irq_usage