====================================== | [ 19.158911][ T39] softirqs last disabled at (0): 0x0 | [ 19.158915][ T39] Preemption disabled at: | [ 19.158915][ T39] vprintk_emit (kernel/printk/printk.c:2471) | [ 19.158924][ T39] Tainted: [W]=WARN [ 19.158925][ T39] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 19.158926][ T39] Workqueue: events_power_efficient phylink_resolve [ 19.158930][ T39] Call Trace: [ 19.158932][ T39] [ 19.158934][ T39] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.158939][ T39] ? vprintk_emit (kernel/printk/printk.c:2471) [ 19.158941][ T39] __might_resched.cold (kernel/sched/core.c:9234) [ 19.158946][ T39] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.158950][ T39] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.158955][ T39] __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)) [ 19.158957][ T39] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.158963][ T39] ? 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) [ 19.158965][ T39] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.158969][ T39] put_chars (drivers/char/virtio_console.c:1176) [ 19.158972][ T39] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.158974][ T39] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 19.158981][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.158983][ T39] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.158988][ T39] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.158991][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.158993][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.158997][ T39] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.159000][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.159003][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.159007][ T39] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.159011][ T39] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.159015][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.159017][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.159021][ T39] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.159025][ T39] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.159027][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.159032][ T39] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.159035][ T39] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.159036][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.159039][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18)) [ 19.159042][ T39] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.159044][ T39] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.159047][ T39] vprintk_emit (kernel/printk/printk.c:2479) [ 19.159051][ T39] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.159053][ T39] ? wakeup_preempt_fair (kernel/sched/fair.c:6515 kernel/sched/fair.c:10016) [ 19.159058][ T39] dev_vprintk_emit (drivers/base/core.c:5000) [ 19.159063][ T39] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 19.159069][ T39] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 5) kernel/sched/core.c:4263 (discriminator 5)) [ 19.159073][ T39] dev_printk_emit (drivers/base/core.c:5011) [ 19.159075][ T39] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 19.159078][ T39] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.159081][ T39] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.159085][ T39] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 19.159091][ T39] netdev_printk (net/core/dev.c:13166) [ 19.159094][ T39] ? __netdev_printk (net/core/dev.c:13151 (discriminator 1)) [ 19.159095][ T39] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 19.159101][ T39] ? fbnic_mac_link_down_asic (drivers/net/ethernet/meta/fbnic/fbnic_mac.c:708) [ 19.159104][ T39] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.159108][ T39] ? queue_delayed_work_on (kernel/workqueue.c:2673 (discriminator 6)) [ 19.159110][ T39] ? fbnic_phylink_mac_link_down (drivers/net/ethernet/meta/fbnic/fbnic_phylink.c:156) [ 19.159114][ T39] phylink_resolve (drivers/net/phy/phylink.c:1720) [ 19.159115][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.159119][ T39] ? phylink_ethtool_ksettings_set (drivers/net/phy/phylink.c:189 (discriminator 1)) [ 19.159123][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.159125][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.159127][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.159129][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.159132][ T39] process_one_work (kernel/workqueue.c:3387) [ 19.159138][ T39] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 19.159141][ T39] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.159148][ T39] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 19.159155][ T39] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.159156][ T39] kthread (kernel/kthread.c:436) [ 19.159159][ T39] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.159161][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.159163][ T39] ret_from_fork (arch/x86/kernel/process.c:158) [ 19.159167][ T39] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 19.159170][ T39] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 19.159173][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.159176][ T39] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 22.677835][ T39] softirqs last disabled at (1039): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 22.677837][ T39] Preemption disabled at: | [ 22.677837][ T39] vprintk_emit (kernel/printk/printk.c:2471) | [ 22.677846][ T39] Tainted: [W]=WARN [ 22.677847][ T39] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 22.677849][ T39] Workqueue: events_power_efficient phylink_resolve [ 22.677852][ T39] Call Trace: [ 22.677854][ T39] [ 22.677856][ T39] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.677861][ T39] ? vprintk_emit (kernel/printk/printk.c:2471) [ 22.677870][ T39] __might_resched.cold (kernel/sched/core.c:9234) [ 22.677875][ T39] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 22.677879][ T39] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 22.677884][ T39] __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)) [ 22.677886][ T39] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.677892][ T39] ? 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) [ 22.677895][ T39] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.677899][ T39] put_chars (drivers/char/virtio_console.c:1176) [ 22.677902][ T39] ? __send_to_port (drivers/char/virtio_console.c:654) [ 22.677904][ T39] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 22.677907][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.677910][ T39] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 22.677914][ T39] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 22.677917][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.677919][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.677923][ T39] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 22.677926][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.677929][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.677933][ T39] console_emit_next_record (kernel/printk/printk.c:3183) [ 22.677937][ T39] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.677941][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.677943][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.677947][ T39] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.677951][ T39] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.677953][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.677958][ T39] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.677960][ T39] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.677962][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.677964][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18)) [ 22.677968][ T39] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.677969][ T39] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.677972][ T39] vprintk_emit (kernel/printk/printk.c:2479) [ 22.677980][ T39] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.677982][ T39] ? wakeup_preempt_fair (kernel/sched/fair.c:1142 kernel/sched/fair.c:10033) [ 22.677987][ T39] dev_vprintk_emit (drivers/base/core.c:5000) [ 22.677992][ T39] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 22.677997][ T39] ? _raw_spin_unlock_irq_enable (./include/linux/spinlock_api_smp.h:229 (discriminator 1) kernel/locking/spinlock.c:237 (discriminator 1)) [ 22.678001][ T39] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 22.678006][ T39] dev_printk_emit (drivers/base/core.c:5011) [ 22.678008][ T39] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 22.678011][ T39] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.678014][ T39] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.678018][ T39] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 22.678024][ T39] netdev_printk (net/core/dev.c:13166) [ 22.678027][ T39] ? __netdev_printk (net/core/dev.c:13151 (discriminator 1)) [ 22.678029][ T39] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.678032][ T39] ? fbnic_mac_link_down_asic (drivers/net/ethernet/meta/fbnic/fbnic_mac.c:708) [ 22.678036][ T39] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 22.678039][ T39] ? queue_delayed_work_on (kernel/workqueue.c:2673 (discriminator 6)) [ 22.678041][ T39] ? fbnic_phylink_mac_link_down (drivers/net/ethernet/meta/fbnic/fbnic_phylink.c:156) [ 22.678045][ T39] phylink_resolve (drivers/net/phy/phylink.c:1720) [ 22.678046][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.678050][ T39] ? phylink_ethtool_ksettings_set (drivers/net/phy/phylink.c:189 (discriminator 1)) [ 22.678054][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.678056][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.678057][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.678059][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.678063][ T39] process_one_work (kernel/workqueue.c:3387) [ 22.678069][ T39] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 22.678072][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.678079][ T39] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 22.678086][ T39] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 22.678088][ T39] kthread (kernel/kthread.c:436) [ 22.678090][ T39] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 22.678093][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 22.678096][ T39] ret_from_fork (arch/x86/kernel/process.c:158) [ 22.678100][ T39] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 22.678103][ T39] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 22.678106][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 22.678109][ T39] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 23.837231][ T78] softirqs last disabled at (50): srcu_invoke_callbacks (./include/linux/bottom_half.h:20 (discriminator 2) kernel/rcu/srcutree.c:1897 (discriminator 2)) | [ 23.837233][ T78] Preemption disabled at: | [ 23.837234][ T78] vprintk_emit (kernel/printk/printk.c:2471) | [ 23.837243][ T78] Tainted: [W]=WARN [ 23.837244][ T78] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 23.837245][ T78] Workqueue: events_power_efficient phylink_resolve [ 23.837248][ T78] Call Trace: [ 23.837250][ T78] [ 23.837253][ T78] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 23.837258][ T78] ? vprintk_emit (kernel/printk/printk.c:2471) [ 23.837260][ T78] __might_resched.cold (kernel/sched/core.c:9234) [ 23.837264][ T78] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.837268][ T78] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 23.837273][ T78] __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)) [ 23.837276][ T78] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.837282][ T78] ? 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) [ 23.837284][ T78] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.837288][ T78] put_chars (drivers/char/virtio_console.c:1176) [ 23.837291][ T78] ? __send_to_port (drivers/char/virtio_console.c:654) [ 23.837293][ T78] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 23.837296][ T78] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.837298][ T78] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 23.837303][ T78] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 23.837306][ T78] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.837308][ T78] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.837312][ T78] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 23.837316][ T78] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.837319][ T78] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.837322][ T78] console_emit_next_record (kernel/printk/printk.c:3183) [ 23.837326][ T78] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 23.837330][ T78] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.837333][ T78] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.837336][ T78] console_flush_one_record (kernel/printk/printk.c:3268) [ 23.837341][ T78] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 23.837342][ T78] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.837347][ T78] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 23.837350][ T78] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 23.837352][ T78] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.837354][ T78] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18)) [ 23.837358][ T78] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 23.837359][ T78] ? vprintk_emit (kernel/printk/printk.c:2478) [ 23.837362][ T78] vprintk_emit (kernel/printk/printk.c:2479) [ 23.837366][ T78] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 23.837369][ T78] ? ww_mutex_trylock (kernel/locking/ww_mutex.h:244 kernel/locking/ww_mutex.h:439 kernel/locking/mutex.c:861) [ 23.837374][ T78] dev_vprintk_emit (drivers/base/core.c:5000) [ 23.837380][ T78] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 23.837381][ T78] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.837385][ T78] ? 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) [ 23.837387][ T78] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 23.837394][ T78] dev_printk_emit (drivers/base/core.c:5011) [ 23.837396][ T78] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 23.837404][ T78] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 23.837410][ T78] netdev_printk (net/core/dev.c:13166) [ 23.837412][ T78] ? __netdev_printk (net/core/dev.c:13151 (discriminator 1)) [ 23.837415][ T78] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 23.837418][ T78] ? fbnic_mac_link_down_asic (drivers/net/ethernet/meta/fbnic/fbnic_mac.c:708) [ 23.837422][ T78] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 23.837424][ T78] ? queue_delayed_work_on (kernel/workqueue.c:2673 (discriminator 6)) [ 23.837427][ T78] ? fbnic_phylink_mac_link_down (drivers/net/ethernet/meta/fbnic/fbnic_phylink.c:156) [ 23.837431][ T78] phylink_resolve (drivers/net/phy/phylink.c:1720) [ 23.837432][ T78] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.837436][ T78] ? phylink_ethtool_ksettings_set (drivers/net/phy/phylink.c:189 (discriminator 1)) [ 23.837440][ T78] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.837442][ T78] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.837444][ T78] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.837445][ T78] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.837449][ T78] process_one_work (kernel/workqueue.c:3387) [ 23.837455][ T78] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 23.837458][ T78] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.837465][ T78] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 23.837469][ T78] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 23.837471][ T78] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 23.837474][ T78] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 23.837477][ T78] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 23.837478][ T78] kthread (kernel/kthread.c:436) [ 23.837480][ T78] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 23.837483][ T78] ? kthread_affine_preferred (kernel/kthread.c:857) [ 23.837486][ T78] ret_from_fork (arch/x86/kernel/process.c:158) [ 23.837490][ T78] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 23.837493][ T78] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 23.837496][ T78] ? kthread_affine_preferred (kernel/kthread.c:857) [ 23.837498][ T78] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 25.063640][ T198] softirqs last disabled at (70): __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 25.063642][ T198] Preemption disabled at: | [ 25.063642][ T198] vprintk_emit (kernel/printk/printk.c:2471) | [ 25.063652][ T198] Tainted: [W]=WARN [ 25.063653][ T198] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 25.063654][ T198] Workqueue: events_power_efficient phylink_resolve [ 25.063657][ T198] Call Trace: [ 25.063659][ T198] [ 25.063662][ T198] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.063667][ T198] ? vprintk_emit (kernel/printk/printk.c:2471) [ 25.063669][ T198] __might_resched.cold (kernel/sched/core.c:9234) [ 25.063674][ T198] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.063677][ T198] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.063682][ T198] __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)) [ 25.063685][ T198] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.063690][ T198] ? 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) [ 25.063693][ T198] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.063697][ T198] put_chars (drivers/char/virtio_console.c:1176) [ 25.063700][ T198] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.063702][ T198] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 25.063705][ T198] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.063708][ T198] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.063712][ T198] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.063715][ T198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.063717][ T198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.063721][ T198] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.063724][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.063727][ T198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.063731][ T198] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.063735][ T198] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.063739][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.063742][ T198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.063745][ T198] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.063749][ T198] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.063751][ T198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.063756][ T198] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.063759][ T198] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.063761][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.063763][ T198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18)) [ 25.063766][ T198] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.063768][ T198] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.063771][ T198] vprintk_emit (kernel/printk/printk.c:2479) [ 25.063775][ T198] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.063781][ T198] dev_vprintk_emit (drivers/base/core.c:5000) [ 25.063786][ T198] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 25.063788][ T198] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.063792][ T198] ? 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) [ 25.063794][ T198] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 25.063801][ T198] dev_printk_emit (drivers/base/core.c:5011) [ 25.063804][ T198] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 25.063811][ T198] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 25.063818][ T198] netdev_printk (net/core/dev.c:13166) [ 25.063820][ T198] ? __netdev_printk (net/core/dev.c:13151 (discriminator 1)) [ 25.063822][ T198] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.063826][ T198] ? fbnic_mac_link_down_asic (drivers/net/ethernet/meta/fbnic/fbnic_mac.c:708) [ 25.063829][ T198] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 25.063832][ T198] ? queue_delayed_work_on (kernel/workqueue.c:2673 (discriminator 6)) [ 25.063835][ T198] ? fbnic_phylink_mac_link_down (drivers/net/ethernet/meta/fbnic/fbnic_phylink.c:156) [ 25.063839][ T198] phylink_resolve (drivers/net/phy/phylink.c:1720) [ 25.063840][ T198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.063844][ T198] ? phylink_ethtool_ksettings_set (drivers/net/phy/phylink.c:189 (discriminator 1)) [ 25.063848][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.063849][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.063851][ T198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.063853][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.063857][ T198] process_one_work (kernel/workqueue.c:3387) [ 25.063863][ T198] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 25.063866][ T198] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.063873][ T198] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 25.063884][ T198] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 25.063886][ T198] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 25.063889][ T198] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 25.063892][ T198] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 25.063894][ T198] kthread (kernel/kthread.c:436) [ 25.063895][ T198] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 25.063898][ T198] ? kthread_affine_preferred (kernel/kthread.c:857) [ 25.063901][ T198] ret_from_fork (arch/x86/kernel/process.c:158) [ 25.063905][ T198] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 25.063908][ T198] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 25.063911][ T198] ? kthread_affine_preferred (kernel/kthread.c:857) [ 25.063914][ T198] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 26.208707][ T78] softirqs last disabled at (1805): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 26.208709][ T78] Preemption disabled at: | [ 26.208710][ T78] vprintk_emit (kernel/printk/printk.c:2471) | [ 26.208720][ T78] Tainted: [W]=WARN [ 26.208720][ T78] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 26.208722][ T78] Workqueue: events_power_efficient phylink_resolve [ 26.208725][ T78] Call Trace: [ 26.208727][ T78] [ 26.208730][ T78] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.208735][ T78] ? vprintk_emit (kernel/printk/printk.c:2471) [ 26.208737][ T78] __might_resched.cold (kernel/sched/core.c:9234) [ 26.208742][ T78] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.208746][ T78] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.208751][ T78] __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)) [ 26.208753][ T78] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.208759][ T78] ? 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) [ 26.208761][ T78] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.208765][ T78] put_chars (drivers/char/virtio_console.c:1176) [ 26.208768][ T78] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.208770][ T78] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 26.208773][ T78] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.208776][ T78] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.208780][ T78] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.208784][ T78] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.208785][ T78] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.208789][ T78] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.208793][ T78] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.208796][ T78] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.208800][ T78] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.208803][ T78] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.208808][ T78] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.208810][ T78] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.208814][ T78] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.208818][ T78] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.208820][ T78] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.208825][ T78] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.208827][ T78] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.208829][ T78] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.208831][ T78] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18)) [ 26.208835][ T78] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.208836][ T78] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.208840][ T78] vprintk_emit (kernel/printk/printk.c:2479) [ 26.208844][ T78] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.208849][ T78] dev_vprintk_emit (drivers/base/core.c:5000) [ 26.208855][ T78] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 26.208856][ T78] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.208860][ T78] ? 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) [ 26.208862][ T78] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 26.208869][ T78] dev_printk_emit (drivers/base/core.c:5011) [ 26.208872][ T78] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 26.208880][ T78] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 26.208893][ T78] netdev_printk (net/core/dev.c:13166) [ 26.208895][ T78] ? __netdev_printk (net/core/dev.c:13151 (discriminator 1)) [ 26.208898][ T78] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 26.208901][ T78] ? fbnic_mac_link_down_asic (drivers/net/ethernet/meta/fbnic/fbnic_mac.c:708) [ 26.208904][ T78] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 26.208907][ T78] ? queue_delayed_work_on (kernel/workqueue.c:2673 (discriminator 6)) [ 26.208910][ T78] ? fbnic_phylink_mac_link_down (drivers/net/ethernet/meta/fbnic/fbnic_phylink.c:156) [ 26.208913][ T78] phylink_resolve (drivers/net/phy/phylink.c:1720) [ 26.208915][ T78] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.208919][ T78] ? phylink_ethtool_ksettings_set (drivers/net/phy/phylink.c:189 (discriminator 1)) [ 26.208922][ T78] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.208924][ T78] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.208926][ T78] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.208928][ T78] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.208931][ T78] process_one_work (kernel/workqueue.c:3387) [ 26.208938][ T78] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 26.208940][ T78] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.208947][ T78] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 26.208951][ T78] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 26.208953][ T78] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 26.208956][ T78] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 26.208959][ T78] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 26.208960][ T78] kthread (kernel/kthread.c:436) [ 26.208962][ T78] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 26.208965][ T78] ? kthread_affine_preferred (kernel/kthread.c:857) [ 26.208968][ T78] ret_from_fork (arch/x86/kernel/process.c:158) [ 26.208972][ T78] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 26.208975][ T78] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 26.208982][ T78] ? kthread_affine_preferred (kernel/kthread.c:857) [ 26.208984][ T78] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 27.568381][ T39] softirqs last disabled at (2911): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 27.568383][ T39] Preemption disabled at: | [ 27.568384][ T39] vprintk_emit (kernel/printk/printk.c:2471) | [ 27.568393][ T39] Tainted: [W]=WARN [ 27.568394][ T39] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.568395][ T39] Workqueue: events_power_efficient phylink_resolve [ 27.568399][ T39] Call Trace: [ 27.568401][ T39] [ 27.568403][ T39] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 27.568408][ T39] ? vprintk_emit (kernel/printk/printk.c:2471) [ 27.568410][ T39] __might_resched.cold (kernel/sched/core.c:9234) [ 27.568415][ T39] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.568419][ T39] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 27.568424][ T39] __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)) [ 27.568426][ T39] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.568432][ T39] ? 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) [ 27.568435][ T39] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.568438][ T39] put_chars (drivers/char/virtio_console.c:1176) [ 27.568442][ T39] ? __send_to_port (drivers/char/virtio_console.c:654) [ 27.568443][ T39] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 27.568447][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 27.568449][ T39] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 27.568453][ T39] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 27.568457][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.568458][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.568463][ T39] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 27.568466][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.568469][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.568473][ T39] console_emit_next_record (kernel/printk/printk.c:3183) [ 27.568477][ T39] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 27.568481][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.568484][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.568487][ T39] console_flush_one_record (kernel/printk/printk.c:3268) [ 27.568491][ T39] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 27.568496][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.568501][ T39] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 27.568504][ T39] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 27.568506][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.568508][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18)) [ 27.568511][ T39] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 27.568513][ T39] ? vprintk_emit (kernel/printk/printk.c:2478) [ 27.568516][ T39] vprintk_emit (kernel/printk/printk.c:2479) [ 27.568520][ T39] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 27.568525][ T39] dev_vprintk_emit (drivers/base/core.c:5000) [ 27.568531][ T39] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 27.568532][ T39] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.568536][ T39] ? 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) [ 27.568538][ T39] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 27.568545][ T39] dev_printk_emit (drivers/base/core.c:5011) [ 27.568547][ T39] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 27.568555][ T39] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 27.568561][ T39] netdev_printk (net/core/dev.c:13166) [ 27.568563][ T39] ? __netdev_printk (net/core/dev.c:13151 (discriminator 1)) [ 27.568566][ T39] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 27.568569][ T39] ? fbnic_mac_link_down_asic (drivers/net/ethernet/meta/fbnic/fbnic_mac.c:708) [ 27.568572][ T39] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 27.568575][ T39] ? queue_delayed_work_on (kernel/workqueue.c:2673 (discriminator 6)) [ 27.568577][ T39] ? fbnic_phylink_mac_link_down (drivers/net/ethernet/meta/fbnic/fbnic_phylink.c:156) [ 27.568581][ T39] phylink_resolve (drivers/net/phy/phylink.c:1720) [ 27.568583][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.568586][ T39] ? phylink_ethtool_ksettings_set (drivers/net/phy/phylink.c:189 (discriminator 1)) [ 27.568590][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.568592][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.568594][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.568595][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.568599][ T39] process_one_work (kernel/workqueue.c:3387) [ 27.568605][ T39] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 27.568608][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 27.568615][ T39] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 27.568622][ T39] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 27.568624][ T39] kthread (kernel/kthread.c:436) [ 27.568626][ T39] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 27.568629][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 27.568632][ T39] ret_from_fork (arch/x86/kernel/process.c:158) [ 27.568636][ T39] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 27.568639][ T39] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 27.568642][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 27.568645][ T39] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 28.739151][ T24] softirqs last disabled at (0): 0x0 | [ 28.739154][ T24] Preemption disabled at: | [ 28.739155][ T24] vprintk_emit (kernel/printk/printk.c:2471) | [ 28.739164][ T24] Tainted: [W]=WARN [ 28.739165][ T24] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 28.739166][ T24] Workqueue: events_power_efficient phylink_resolve [ 28.739170][ T24] Call Trace: [ 28.739172][ T24] [ 28.739174][ T24] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 28.739179][ T24] ? vprintk_emit (kernel/printk/printk.c:2471) [ 28.739181][ T24] __might_resched.cold (kernel/sched/core.c:9234) [ 28.739186][ T24] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 28.739190][ T24] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 28.739195][ T24] __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)) [ 28.739197][ T24] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.739203][ T24] ? 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) [ 28.739205][ T24] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.739209][ T24] put_chars (drivers/char/virtio_console.c:1176) [ 28.739212][ T24] ? __send_to_port (drivers/char/virtio_console.c:654) [ 28.739214][ T24] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 28.739217][ T24] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 28.739220][ T24] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 28.739224][ T24] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 28.739227][ T24] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.739229][ T24] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.739233][ T24] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 28.739237][ T24] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.739239][ T24] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.739243][ T24] console_emit_next_record (kernel/printk/printk.c:3183) [ 28.739247][ T24] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 28.739251][ T24] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.739253][ T24] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.739257][ T24] console_flush_one_record (kernel/printk/printk.c:3268) [ 28.739261][ T24] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 28.739262][ T24] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.739267][ T24] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 28.739270][ T24] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 28.739272][ T24] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.739274][ T24] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18)) [ 28.739277][ T24] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 28.739279][ T24] ? vprintk_emit (kernel/printk/printk.c:2478) [ 28.739282][ T24] vprintk_emit (kernel/printk/printk.c:2479) [ 28.739286][ T24] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 28.739292][ T24] dev_vprintk_emit (drivers/base/core.c:5000) [ 28.739297][ T24] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 28.739299][ T24] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 28.739302][ T24] ? 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) [ 28.739304][ T24] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 28.739311][ T24] dev_printk_emit (drivers/base/core.c:5011) [ 28.739313][ T24] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 28.739321][ T24] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 28.739327][ T24] netdev_printk (net/core/dev.c:13166) [ 28.739329][ T24] ? __netdev_printk (net/core/dev.c:13151 (discriminator 1)) [ 28.739332][ T24] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 28.739335][ T24] ? fbnic_mac_link_down_asic (drivers/net/ethernet/meta/fbnic/fbnic_mac.c:708) [ 28.739338][ T24] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 28.739341][ T24] ? queue_delayed_work_on (kernel/workqueue.c:2673 (discriminator 6)) [ 28.739344][ T24] ? fbnic_phylink_mac_link_down (drivers/net/ethernet/meta/fbnic/fbnic_phylink.c:156) [ 28.739348][ T24] phylink_resolve (drivers/net/phy/phylink.c:1720) [ 28.739349][ T24] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.739353][ T24] ? phylink_ethtool_ksettings_set (drivers/net/phy/phylink.c:189 (discriminator 1)) [ 28.739357][ T24] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.739358][ T24] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.739360][ T24] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.739362][ T24] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.739366][ T24] process_one_work (kernel/workqueue.c:3387) [ 28.739372][ T24] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 28.739375][ T24] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 28.739382][ T24] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 28.739388][ T24] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 28.739390][ T24] kthread (kernel/kthread.c:436) [ 28.739393][ T24] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 28.739396][ T24] ? kthread_affine_preferred (kernel/kthread.c:857) [ 28.739399][ T24] ret_from_fork (arch/x86/kernel/process.c:158) [ 28.739403][ T24] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 28.739406][ T24] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 28.739409][ T24] ? kthread_affine_preferred (kernel/kthread.c:857) [ 28.739411][ T24] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 29.885340][ T104] softirqs last disabled at (0): 0x0 | [ 29.885343][ T104] Preemption disabled at: | [ 29.885344][ T104] vprintk_emit (kernel/printk/printk.c:2471) | [ 29.885353][ T104] Tainted: [W]=WARN [ 29.885354][ T104] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 29.885356][ T104] Workqueue: events_power_efficient phylink_resolve [ 29.885360][ T104] Call Trace: [ 29.885362][ T104] [ 29.885364][ T104] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.885369][ T104] ? vprintk_emit (kernel/printk/printk.c:2471) [ 29.885371][ T104] __might_resched.cold (kernel/sched/core.c:9234) [ 29.885375][ T104] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.885379][ T104] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 29.885384][ T104] __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)) [ 29.885386][ T104] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.885392][ T104] ? 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) [ 29.885395][ T104] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.885398][ T104] put_chars (drivers/char/virtio_console.c:1176) [ 29.885402][ T104] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.885403][ T104] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 29.885407][ T104] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.885409][ T104] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 29.885413][ T104] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.885417][ T104] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.885418][ T104] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.885423][ T104] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.885426][ T104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.885429][ T104] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.885432][ T104] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.885436][ T104] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.885440][ T104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.885442][ T104] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.885446][ T104] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.885450][ T104] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.885452][ T104] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.885457][ T104] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.885459][ T104] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.885461][ T104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.885463][ T104] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18)) [ 29.885467][ T104] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.885468][ T104] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.885471][ T104] vprintk_emit (kernel/printk/printk.c:2479) [ 29.885475][ T104] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.885481][ T104] dev_vprintk_emit (drivers/base/core.c:5000) [ 29.885485][ T104] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 29.885487][ T104] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.885491][ T104] ? 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) [ 29.885493][ T104] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 29.885500][ T104] dev_printk_emit (drivers/base/core.c:5011) [ 29.885502][ T104] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 29.885510][ T104] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 29.885516][ T104] netdev_printk (net/core/dev.c:13166) [ 29.885518][ T104] ? __netdev_printk (net/core/dev.c:13151 (discriminator 1)) [ 29.885520][ T104] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 29.885524][ T104] ? fbnic_mac_link_down_asic (drivers/net/ethernet/meta/fbnic/fbnic_mac.c:708) [ 29.885527][ T104] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 29.885530][ T104] ? queue_delayed_work_on (kernel/workqueue.c:2673 (discriminator 6)) [ 29.885533][ T104] ? fbnic_phylink_mac_link_down (drivers/net/ethernet/meta/fbnic/fbnic_phylink.c:156) [ 29.885537][ T104] phylink_resolve (drivers/net/phy/phylink.c:1720) [ 29.885538][ T104] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.885542][ T104] ? phylink_ethtool_ksettings_set (drivers/net/phy/phylink.c:189 (discriminator 1)) [ 29.885546][ T104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.885547][ T104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.885549][ T104] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.885551][ T104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.885555][ T104] process_one_work (kernel/workqueue.c:3387) [ 29.885561][ T104] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 29.885563][ T104] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.885571][ T104] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 29.885574][ T104] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.885576][ T104] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 29.885579][ T104] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.885582][ T104] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.885584][ T104] kthread (kernel/kthread.c:436) [ 29.885585][ T104] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 29.885589][ T104] ? kthread_affine_preferred (kernel/kthread.c:857) [ 29.885591][ T104] ret_from_fork (arch/x86/kernel/process.c:158) [ 29.885595][ T104] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 29.885598][ T104] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 29.885601][ T104] ? kthread_affine_preferred (kernel/kthread.c:857) [ 29.885604][ T104] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 31.053416][ T198] softirqs last disabled at (5435): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 31.053418][ T198] Preemption disabled at: | [ 31.053418][ T198] vprintk_emit (kernel/printk/printk.c:2471) | [ 31.053427][ T198] Tainted: [W]=WARN [ 31.053428][ T198] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 31.053430][ T198] Workqueue: events_power_efficient phylink_resolve [ 31.053433][ T198] Call Trace: [ 31.053435][ T198] [ 31.053437][ T198] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.053442][ T198] ? vprintk_emit (kernel/printk/printk.c:2471) [ 31.053444][ T198] __might_resched.cold (kernel/sched/core.c:9234) [ 31.053449][ T198] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 31.053453][ T198] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 31.053457][ T198] __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)) [ 31.053460][ T198] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.053465][ T198] ? 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) [ 31.053468][ T198] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.053472][ T198] put_chars (drivers/char/virtio_console.c:1176) [ 31.053475][ T198] ? __send_to_port (drivers/char/virtio_console.c:654) [ 31.053477][ T198] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 31.053480][ T198] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 31.053483][ T198] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 31.053487][ T198] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 31.053490][ T198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.053492][ T198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.053496][ T198] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 31.053500][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.053503][ T198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.053507][ T198] console_emit_next_record (kernel/printk/printk.c:3183) [ 31.053510][ T198] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 31.053515][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.053517][ T198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.053521][ T198] console_flush_one_record (kernel/printk/printk.c:3268) [ 31.053525][ T198] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 31.053527][ T198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.053532][ T198] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 31.053534][ T198] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 31.053536][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.053538][ T198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18)) [ 31.053542][ T198] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 31.053543][ T198] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.053546][ T198] vprintk_emit (kernel/printk/printk.c:2479) [ 31.053550][ T198] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 31.053561][ T198] dev_vprintk_emit (drivers/base/core.c:5000) [ 31.053566][ T198] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 31.053568][ T198] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 31.053571][ T198] ? 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) [ 31.053574][ T198] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 31.053580][ T198] dev_printk_emit (drivers/base/core.c:5011) [ 31.053583][ T198] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 31.053590][ T198] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 31.053597][ T198] netdev_printk (net/core/dev.c:13166) [ 31.053599][ T198] ? __netdev_printk (net/core/dev.c:13151 (discriminator 1)) [ 31.053601][ T198] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 31.053605][ T198] ? fbnic_mac_link_down_asic (drivers/net/ethernet/meta/fbnic/fbnic_mac.c:708) [ 31.053608][ T198] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 31.053611][ T198] ? queue_delayed_work_on (kernel/workqueue.c:2673 (discriminator 6)) [ 31.053613][ T198] ? fbnic_phylink_mac_link_down (drivers/net/ethernet/meta/fbnic/fbnic_phylink.c:156) [ 31.053617][ T198] phylink_resolve (drivers/net/phy/phylink.c:1720) [ 31.053619][ T198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.053622][ T198] ? phylink_ethtool_ksettings_set (drivers/net/phy/phylink.c:189 (discriminator 1)) [ 31.053626][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.053628][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.053630][ T198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.053632][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.053635][ T198] process_one_work (kernel/workqueue.c:3387) [ 31.053641][ T198] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 31.053644][ T198] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.053651][ T198] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 31.053655][ T198] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 31.053657][ T198] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 31.053660][ T198] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 31.053663][ T198] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 31.053664][ T198] kthread (kernel/kthread.c:436) [ 31.053667][ T198] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 31.053670][ T198] ? kthread_affine_preferred (kernel/kthread.c:857) [ 31.053672][ T198] ret_from_fork (arch/x86/kernel/process.c:158) [ 31.053676][ T198] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 31.053679][ T198] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 31.053682][ T198] ? kthread_affine_preferred (kernel/kthread.c:857) [ 31.053685][ T198] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 32.201864][ T78] softirqs last disabled at (4839): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 32.201866][ T78] Preemption disabled at: | [ 32.201867][ T78] vprintk_emit (kernel/printk/printk.c:2471) | [ 32.201876][ T78] Tainted: [W]=WARN [ 32.201877][ T78] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 32.201879][ T78] Workqueue: events_power_efficient phylink_resolve [ 32.201882][ T78] Call Trace: [ 32.201884][ T78] [ 32.201886][ T78] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.201891][ T78] ? vprintk_emit (kernel/printk/printk.c:2471) [ 32.201894][ T78] __might_resched.cold (kernel/sched/core.c:9234) [ 32.201898][ T78] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.201902][ T78] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 32.201907][ T78] __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)) [ 32.201909][ T78] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.201923][ T78] ? 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) [ 32.201925][ T78] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.201929][ T78] put_chars (drivers/char/virtio_console.c:1176) [ 32.201932][ T78] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.201934][ T78] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 32.201938][ T78] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.201940][ T78] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.201944][ T78] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.201948][ T78] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.201949][ T78] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.201953][ T78] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.201957][ T78] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.201960][ T78] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.201964][ T78] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.201967][ T78] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.201972][ T78] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.201974][ T78] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.201981][ T78] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.201985][ T78] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.201987][ T78] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.201992][ T78] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.201994][ T78] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.201996][ T78] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.201998][ T78] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18)) [ 32.202002][ T78] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.202003][ T78] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.202007][ T78] vprintk_emit (kernel/printk/printk.c:2479) [ 32.202010][ T78] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.202016][ T78] dev_vprintk_emit (drivers/base/core.c:5000) [ 32.202021][ T78] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 32.202023][ T78] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.202027][ T78] ? 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) [ 32.202029][ T78] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 32.202036][ T78] dev_printk_emit (drivers/base/core.c:5011) [ 32.202038][ T78] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 32.202046][ T78] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 32.202052][ T78] netdev_printk (net/core/dev.c:13166) [ 32.202054][ T78] ? __netdev_printk (net/core/dev.c:13151 (discriminator 1)) [ 32.202057][ T78] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 32.202060][ T78] ? fbnic_mac_link_down_asic (drivers/net/ethernet/meta/fbnic/fbnic_mac.c:708) [ 32.202064][ T78] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 32.202067][ T78] ? queue_delayed_work_on (kernel/workqueue.c:2673 (discriminator 6)) [ 32.202069][ T78] ? fbnic_phylink_mac_link_down (drivers/net/ethernet/meta/fbnic/fbnic_phylink.c:156) [ 32.202073][ T78] phylink_resolve (drivers/net/phy/phylink.c:1720) [ 32.202074][ T78] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.202078][ T78] ? phylink_ethtool_ksettings_set (drivers/net/phy/phylink.c:189 (discriminator 1)) [ 32.202082][ T78] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.202084][ T78] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.202086][ T78] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.202087][ T78] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.202091][ T78] process_one_work (kernel/workqueue.c:3387) [ 32.202097][ T78] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 32.202100][ T78] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.202107][ T78] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 32.202111][ T78] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.202113][ T78] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 32.202116][ T78] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.202118][ T78] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.202120][ T78] kthread (kernel/kthread.c:436) [ 32.202122][ T78] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.202125][ T78] ? kthread_affine_preferred (kernel/kthread.c:857) [ 32.202128][ T78] ret_from_fork (arch/x86/kernel/process.c:158) [ 32.202131][ T78] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 32.202134][ T78] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 32.202138][ T78] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: do_softirq:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __dev_queue_xmit:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars srcu_invoke_callbacks:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars