====================================== | [ 9.723459][ T175] softirqs last disabled at (29892): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.723461][ T175] Preemption disabled at: | [ 9.723462][ T175] 0x0 | [ 9.723473][ T175] Tainted: [W]=WARN [ 9.723474][ T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.723476][ T175] Call Trace: [ 9.723478][ T175] [ 9.723479][ T175] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.723485][ T175] __might_resched.cold (kernel/sched/core.c:9234) [ 9.723489][ T175] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.723493][ T175] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.723498][ T175] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.723500][ T175] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.723506][ T175] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.723509][ T175] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.723512][ T175] put_chars (drivers/char/virtio_console.c:1176) [ 9.723515][ T175] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.723522][ T175] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.723529][ T175] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.723532][ T175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.723536][ T175] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.723540][ T175] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.723541][ T175] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 9.723543][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.723547][ T175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.723551][ T175] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.723555][ T175] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.723556][ T175] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.723561][ T175] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.723564][ T175] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.723565][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.723567][ T175] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.723571][ T175] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.723572][ T175] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.723575][ T175] vprintk_emit (kernel/printk/printk.c:2479) [ 9.723579][ T175] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.723582][ T175] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.723586][ T175] _printk (kernel/printk/printk.c:2504) [ 9.723589][ T175] ? snapshot_read.cold (user.c:?) [ 9.723592][ T175] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.723595][ T175] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.723599][ T175] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.723602][ T175] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.723606][ T175] ? exit_notify (kernel/exit.c:780) [ 9.723607][ T175] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.723610][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.723614][ T175] do_group_exit (kernel/exit.c:1151) [ 9.723617][ T175] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.723619][ T175] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.723622][ T175] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.723625][ T175] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.723629][ T175] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.723631][ T175] RIP: 0033:0x7f394cf1c1b8 [ 9.723633][ T175] Code: Unable to access opcode bytes at 0x7f394cf1c18e. Code starting with the faulting instruction =========================================== [ 9.723634][ T175] RSP: 002b:00007ffd43cb3f38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.723636][ T175] RAX: ffffffffffffffda RBX: 00007f394d04cf88 RCX: 00007f394cf1c1b8 [ 9.723638][ T175] RDX: 00007f394cc66fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.723639][ T175] RBP: 00007ffd43cb3f90 R08: 0000000000000000 R09: 0000000000000050 [ 9.723639][ T175] R10: 00007ffd43cb3d50 R11: 0000000000000246 R12: 0000000000000001 [ 9.723640][ T175] R13: 0000000000000000 R14: 00007f394d04b680 R15: 00007f394d04cfa0 | [ 10.776488][ T187] softirqs last disabled at (128): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) bridge | [ 10.776496][ T187] Preemption disabled at: | [ 10.776497][ T187] 0x0 | [ 10.776507][ T187] Tainted: [W]=WARN [ 10.776508][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.776510][ T187] Workqueue: events_unbound linkwatch_event [ 10.776514][ T187] Call Trace: [ 10.776515][ T187] [ 10.776517][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.776522][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 10.776527][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.776530][ T187] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.776535][ T187] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.776538][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.776544][ T187] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.776547][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.776550][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 10.776553][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.776557][ T187] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.776562][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.776565][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.776567][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.776572][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.776575][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.776578][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.776583][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.776586][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.776587][ T187] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.776590][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.776592][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.776596][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.776600][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.776602][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.776607][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.776610][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.776611][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.776613][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.776617][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.776619][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.776622][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 10.776625][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.776627][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.776633][ T187] _printk (kernel/printk/printk.c:2504) [ 10.776636][ T187] ? snapshot_read.cold (user.c:?) [ 10.776639][ T187] ? add_lock_to_list (kernel/locking/lockdep.c:1444) [ 10.776645][ T187] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 10.776656][ T187] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge [ 10.776666][ T187] br_port_carrier_check (net/bridge/br_if.c:95) bridge [ 10.776675][ T187] br_device_event (net/bridge/br.c:101) bridge [ 10.776684][ T187] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 10.776690][ T187] notifier_call_chain (kernel/notifier.c:85) [ 10.776697][ T187] netif_state_change (net/core/dev.c:1625) [ 10.776700][ T187] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 10.776703][ T187] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.776706][ T187] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 10.776709][ T187] ? rfc2863_policy (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/netdevice.h:4639 net/core/link_watch.c:64 net/core/link_watch.c:76) [ 10.776711][ T187] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 10.776713][ T187] __linkwatch_run_queue (net/core/link_watch.c:240) [ 10.776716][ T187] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.776719][ T187] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.776724][ T187] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 10.776727][ T187] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 10.776730][ T187] process_one_work (kernel/workqueue.c:3387) [ 10.776736][ T187] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 10.776739][ T187] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.776747][ T187] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 10.776750][ T187] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 10.776752][ T187] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 10.776755][ T187] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 10.776758][ T187] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 10.776759][ T187] kthread (kernel/kthread.c:436) [ 10.776761][ T187] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.776764][ T187] ? kthread_affine_preferred (kernel/kthread.c:857) [ 10.776767][ T187] ret_from_fork (arch/x86/kernel/process.c:158) [ 10.776772][ T187] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 10.776775][ T187] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 10.776778][ T187] ? kthread_affine_preferred (kernel/kthread.c:857) [ 10.776781][ T187] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 12.891152][ T12] softirqs last disabled at (4417): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.891155][ T12] Preemption disabled at: | [ 12.891155][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.891165][ T12] Tainted: [W]=WARN [ 12.891166][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.891167][ T12] Workqueue: netns cleanup_net [ 12.891171][ T12] Call Trace: [ 12.891172][ T12] [ 12.891174][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.891179][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.891181][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 12.891186][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.891189][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.891194][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.891196][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.891203][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.891206][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.891209][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 12.891213][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.891216][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.891222][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.891225][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.891230][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.891233][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.891239][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.891243][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.891244][ T12] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 12.891247][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.891249][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.891254][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.891258][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.891259][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.891265][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.891267][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.891269][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.891271][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.891275][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.891277][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.891280][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 12.891283][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.891285][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 12.891286][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.891288][ T12] ? kthread (kernel/kthread.c:436) [ 12.891290][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 12.891294][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 12.891299][ T12] _printk (kernel/printk/printk.c:2504) [ 12.891302][ T12] ? snapshot_read.cold (user.c:?) [ 12.891307][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 12.891310][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 12.891314][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 12.891317][ T12] ? netdev_notice (net/core/dev.c:13194) [ 12.891321][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.891323][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 12.891326][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 12.891328][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 12.891331][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 12.891336][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 12.891341][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 12.891358][ T12] br_dev_delete (net/bridge/br_if.c:387) bridge [ 12.891367][ T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 12.891376][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 12.891380][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.891384][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 12.891386][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.891389][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 12.891394][ T12] cleanup_net (net/core/net_namespace.c:706) [ 12.891397][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 12.891401][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.891403][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.891406][ T12] process_one_work (kernel/workqueue.c:3387) [ 12.891413][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 12.891415][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.891423][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.891430][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.891432][ T12] kthread (kernel/kthread.c:436) [ 12.891434][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.891437][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.891440][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 12.891443][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 12.891446][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 12.891450][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print