[ 10.608041][ T195] ip (195) used greatest stack depth: 23808 bytes left [ 10.608060][ T195] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.608063][ T195] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 195, name: ip [ 10.608065][ T195] preempt_count: 2, expected: 0 [ 10.608066][ T195] RCU nest depth: 0, expected: 0 [ 10.608068][ T195] locks held by ip/195: 5, last CPU#0: [ 10.608071][ T195] #0: ffffffff9c8127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.608085][ T195] #1: ffffffff9c979cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.608092][ T195] #2: ffffffff9c979d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.608098][ T195] #3: ffffffff9c899660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.608104][ T195] #4: ffffffff9c899560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.608110][ T195] irq event stamp: 51788 [ 10.608111][ T195] hardirqs last enabled at (51787): [] __down_trylock_console_sem+0x86/0xa0 [ 10.608114][ T195] hardirqs last disabled at (51788): [] console_emit_next_record+0x3d4/0x4c0 [ 10.608117][ T195] softirqs last enabled at (50964): [] handle_softirqs+0x67c/0x900 [ 10.608127][ T195] softirqs last disabled at (50959): [] __irq_exit_rcu+0x145/0x1c0 [ 10.608130][ T195] Preemption disabled at: [ 10.608131][ T195] [<0000000000000000>] 0x0 [ 10.608139][ T195] CPU: 0 UID: 0 PID: 195 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.608144][ T195] Tainted: [W]=WARN [ 10.608146][ T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.608148][ T195] Call Trace: [ 10.608150][ T195] [ 10.608153][ T195] dump_stack_lvl+0x6f/0xa0 [ 10.608161][ T195] __might_resched.cold+0x1fe/0x2c1 [ 10.608167][ T195] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.608173][ T195] ? __kmalloc_noprof+0xdb/0x760 [ 10.608180][ T195] __kmalloc_noprof+0x443/0x760 [ 10.608186][ T195] ? alloc_buf.isra.0+0x4b/0x260 [ 10.608195][ T195] ? do_raw_spin_unlock+0x59/0x250 [ 10.608199][ T195] alloc_buf.isra.0+0x4b/0x260 [ 10.608205][ T195] put_chars+0x1e1/0x2f0 [ 10.608209][ T195] ? __send_to_port+0x420/0x420 [ 10.608212][ T195] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.608219][ T195] ? validate_chain+0x38b/0xc20 [ 10.608228][ T195] hvc_console_print+0x292/0x780 [ 10.608239][ T195] ? hvc_write+0x3a0/0x3a0 [ 10.608243][ T195] ? rcu_is_watching+0x16/0xd0 [ 10.608247][ T195] ? lock_acquire+0x13c/0x160 [ 10.608254][ T195] console_emit_next_record+0x22f/0x4c0 [ 10.608261][ T195] ? devkmsg_read+0x4b0/0x4b0 [ 10.608264][ T195] ? console_flush_one_record+0x106/0x710 [ 10.608269][ T195] ? rcu_is_watching+0x16/0xd0 [ 10.608273][ T195] ? lock_acquire+0x13c/0x160 [ 10.608280][ T195] console_flush_one_record+0x46f/0x710 [ 10.608287][ T195] ? console_emit_next_record+0x4c0/0x4c0 [ 10.608290][ T195] ? __lock_acquire+0x518/0xc20 [ 10.608299][ T195] console_unlock+0xee/0x1f0 [ 10.608304][ T195] ? console_flush_one_record+0x710/0x710 [ 10.608307][ T195] ? rcu_is_watching+0x16/0xd0 [ 10.608310][ T195] ? lock_acquire+0x60/0x160 [ 10.608317][ T195] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.608319][ T195] ? vprintk_emit+0x320/0x3e0 [ 10.608325][ T195] vprintk_emit+0x37c/0x3e0 [ 10.608331][ T195] ? wake_up_klogd_work_func+0x90/0x90 [ 10.608337][ T195] ? __lock_acquire+0x518/0xc20 [ 10.608344][ T195] _printk+0xc7/0x100 [ 10.608349][ T195] ? snapshot_read.cold+0x21/0x21 [ 10.608353][ T195] ? do_raw_spin_lock+0x131/0x280 [ 10.608358][ T195] ? __rwlock_init+0x150/0x150 [ 10.608365][ T195] ? do_raw_spin_lock+0x131/0x280 [ 10.608369][ T195] do_exit.cold+0x82/0x9c [ 10.608375][ T195] ? exit_notify+0x890/0x890 [ 10.608377][ T195] ? __lock_release.isra.0+0x69/0x1a0 [ 10.608382][ T195] ? rcu_is_watching+0x16/0xd0 [ 10.608389][ T195] do_group_exit+0xb8/0x370 [ 10.608394][ T195] __x64_sys_exit_group+0x3c/0x50 [ 10.608397][ T195] x64_sys_call+0x1567/0x1570 [ 10.608401][ T195] do_syscall_64+0xff/0x530 [ 10.608406][ T195] ? exc_page_fault+0xee/0x100 [ 10.608410][ T195] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.608414][ T195] RIP: 0033:0x7f5eca7a91b8 [ 10.608417][ T195] Code: Unable to access opcode bytes at 0x7f5eca7a918e. [ 10.608419][ T195] RSP: 002b:00007ffd6a64fbb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.608422][ T195] RAX: ffffffffffffffda RBX: 00007f5eca8d9f88 RCX: 00007f5eca7a91b8 [ 10.608424][ T195] RDX: 00007f5eca4f3fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.608426][ T195] RBP: 00007ffd6a64fc10 R08: 0000000000000000 R09: 0000000000008010 [ 10.608427][ T195] R10: 00007ffd6a64f9d0 R11: 0000000000000246 R12: 0000000000000001 [ 10.608429][ T195] R13: 0000000000000000 R14: 00007f5eca8d8680 R15: 00007f5eca8d9fa0 [ 10.608442][ T195] [ 11.186625][ T12] RDS: shutdown called in state 1 [ 14.417985][ C0] clocksource: Watchdog remote CPU 3 read timed out [ 14.418396][ C0] [ 14.418398][ C0] ======================================================== [ 14.418400][ C0] WARNING: possible irq lock inversion dependency detected [ 14.418403][ C0] 7.2.0-virtme #1 Tainted: G W [ 14.418405][ C0] -------------------------------------------------------- [ 14.418406][ C0] swapper/0/0 just changed the state of lock: [ 14.418408][ C0] ffffffff9c899660 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 14.418423][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 14.418425][ C0] (fs_reclaim){+.+.}-{0:0} [ 14.418428][ C0] [ 14.418428][ C0] [ 14.418428][ C0] and interrupts could create inverse lock ordering between them. [ 14.418428][ C0] [ 14.418429][ C0] [ 14.418429][ C0] other info that might help us debug this: [ 14.418430][ C0] Possible interrupt unsafe locking scenario: [ 14.418430][ C0] [ 14.418431][ C0] CPU0 CPU1 [ 14.418432][ C0] ---- ---- [ 14.418433][ C0] lock(fs_reclaim); [ 14.418434][ C0] local_irq_disable(); [ 14.418435][ C0] lock(console_owner); [ 14.418437][ C0] lock(fs_reclaim); [ 14.418439][ C0] [ 14.418439][ C0] lock(console_owner); [ 14.418441][ C0] [ 14.418441][ C0] *** DEADLOCK *** [ 14.418441][ C0] [ 14.418442][ C0] locks held by swapper/0/0: 4, last CPU#0: [ 14.418444][ C0] #0: ffa0000000007c90 ((&watchdog_timer)){+.-.}-{0:0}, at: call_timer_fn+0x110/0x4d0 [ 14.418452][ C0] #1: ffffffff9c9de8b8 (watchdog_lock){+.-.}-{3:3}, at: clocksource_watchdog+0x15/0x30 [ 14.418458][ C0] #2: ffffffff9c979cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 14.418464][ C0] #3: ffffffff9c979d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 14.418470][ C0] [ 14.418470][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 14.418476][ C0] -> (fs_reclaim){+.+.}-{0:0} { [ 14.418480][ C0] HARDIRQ-ON-W at: [ 14.418482][ C0] __lock_acquire+0x388/0xc20 [ 14.418486][ C0] lock_acquire.part.0+0xd4/0x280 [ 14.418488][ C0] fs_reclaim_acquire+0xd5/0x120 [ 14.418492][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 14.418495][ C0] kthread_create_worker_on_node+0xea/0x210 [ 14.418498][ C0] workqueue_init+0x2a/0x680 [ 14.418503][ C0] kernel_init_freeable+0x2fe/0x630 [ 14.418506][ C0] kernel_init+0x21/0x150 [ 14.418510][ C0] ret_from_fork+0x474/0x6b0 [ 14.418514][ C0] ret_from_fork_asm+0x11/0x20 [ 14.418518][ C0] SOFTIRQ-ON-W at: [ 14.418519][ C0] __lock_acquire+0x388/0xc20 [ 14.418522][ C0] lock_acquire.part.0+0xd4/0x280 [ 14.418524][ C0] fs_reclaim_acquire+0xd5/0x120 [ 14.418526][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 14.418528][ C0] kthread_create_worker_on_node+0xea/0x210 [ 14.418530][ C0] workqueue_init+0x2a/0x680 [ 14.418532][ C0] kernel_init_freeable+0x2fe/0x630 [ 14.418534][ C0] kernel_init+0x21/0x150 [ 14.418536][ C0] ret_from_fork+0x474/0x6b0 [ 14.418538][ C0] ret_from_fork_asm+0x11/0x20 [ 14.418540][ C0] INITIAL USE at: [ 14.418541][ C0] __lock_acquire+0x388/0xc20 [ 14.418543][ C0] lock_acquire.part.0+0xd4/0x280 [ 14.418545][ C0] fs_reclaim_acquire+0xd5/0x120 [ 14.418547][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 14.418549][ C0] kthread_create_worker_on_node+0xea/0x210 [ 14.418552][ C0] workqueue_init+0x2a/0x680 [ 14.418553][ C0] kernel_init_freeable+0x2fe/0x630 [ 14.418556][ C0] kernel_init+0x21/0x150 [ 14.418558][ C0] ret_from_fork+0x474/0x6b0 [ 14.418559][ C0] ret_from_fork_asm+0x11/0x20 [ 14.418561][ C0] } [ 14.418562][ C0] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 14.418567][ C0] ... acquired at: [ 14.418568][ C0] __lock_acquire+0x518/0xc20 [ 14.418570][ C0] lock_acquire.part.0+0xd4/0x280 [ 14.418572][ C0] fs_reclaim_acquire+0xd5/0x120 [ 14.418574][ C0] __kmalloc_noprof+0xd3/0x760 [ 14.418577][ C0] alloc_buf.isra.0+0x4b/0x260 [ 14.418581][ C0] put_chars+0x1e1/0x2f0 [ 14.418583][ C0] hvc_console_print+0x292/0x780 [ 14.418586][ C0] console_emit_next_record+0x22f/0x4c0 [ 14.418588][ C0] console_flush_one_record+0x46f/0x710 [ 14.418591][ C0] console_unlock+0xee/0x1f0 [ 14.418593][ C0] vprintk_emit+0x37c/0x3e0 [ 14.418595][ C0] _printk+0xc7/0x100 [ 14.418599][ C0] seg6_init+0x48/0x50 [ 14.418603][ C0] inet6_init+0x2c9/0x3c0 [ 14.418606][ C0] do_one_initcall+0x124/0x4f0 [ 14.418608][ C0] kernel_init_freeable+0x596/0x630 [ 14.418610][ C0] kernel_init+0x21/0x150 [ 14.418613][ C0] ret_from_fork+0x474/0x6b0 [ 14.418614][ C0] ret_from_fork_asm+0x11/0x20 [ 14.418617][ C0] [ 14.418617][ C0] -> (console_owner){..-.}-{0:0} { [ 14.418620][ C0] IN-SOFTIRQ-W at: [ 14.418622][ C0] __lock_acquire+0x388/0xc20 [ 14.418624][ C0] lock_acquire.part.0+0xd4/0x280 [ 14.418626][ C0] console_lock_spinning_enable+0x5c/0x60 [ 14.418628][ C0] console_emit_next_record+0x1d1/0x4c0 [ 14.418631][ C0] console_flush_one_record+0x46f/0x710 [ 14.418633][ C0] console_unlock+0xee/0x1f0 [ 14.418635][ C0] vprintk_emit+0x37c/0x3e0 [ 14.418638][ C0] _printk+0xc7/0x100 [ 14.418640][ C0] clocksource_watchdog.part.0.cold+0x105/0x1dd [ 14.418642][ C0] call_timer_fn+0x160/0x4d0 [ 14.418645][ C0] __run_timers+0x68f/0xaa0 [ 14.418647][ C0] run_timer_softirq+0xf0/0x160 [ 14.418650][ C0] handle_softirqs+0x1d3/0x900 [ 14.418653][ C0] __irq_exit_rcu+0x145/0x1c0 [ 14.418655][ C0] irq_exit_rcu+0xe/0x30 [ 14.418657][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 14.418659][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 14.418662][ C0] pv_native_safe_halt+0xf/0x10 [ 14.418664][ C0] default_idle+0x9/0x10 [ 14.418666][ C0] default_idle_call+0x6e/0xb0 [ 14.418668][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 14.418671][ C0] do_idle+0xd8/0x190 [ 14.418673][ C0] cpu_startup_entry+0x53/0x70 [ 14.418675][ C0] rest_init+0x279/0x280 [ 14.418677][ C0] start_kernel+0x3af/0x3b0 [ 14.418680][ C0] x86_64_start_reservations+0x24/0x30 [ 14.418683][ C0] x86_64_start_kernel+0x12b/0x130 [ 14.418685][ C0] common_startup_64+0x13e/0x148 [ 14.418688][ C0] INITIAL USE at: [ 14.418690][ C0] } [ 14.418691][ C0] ... key at: [] console_owner_dep_map+0x0/0x60 [ 14.418695][ C0] ... acquired at: [ 14.418696][ C0] mark_lock+0x1d7/0xa00 [ 14.418698][ C0] mark_usage+0x42/0x170 [ 14.418700][ C0] __lock_acquire+0x388/0xc20 [ 14.418702][ C0] lock_acquire.part.0+0xd4/0x280 [ 14.418704][ C0] console_lock_spinning_enable+0x5c/0x60 [ 14.418707][ C0] console_emit_next_record+0x1d1/0x4c0 [ 14.418709][ C0] console_flush_one_record+0x46f/0x710 [ 14.418711][ C0] console_unlock+0xee/0x1f0 [ 14.418713][ C0] vprintk_emit+0x37c/0x3e0 [ 14.418716][ C0] _printk+0xc7/0x100 [ 14.418718][ C0] clocksource_watchdog.part.0.cold+0x105/0x1dd [ 14.418720][ C0] call_timer_fn+0x160/0x4d0 [ 14.418722][ C0] __run_timers+0x68f/0xaa0 [ 14.418724][ C0] run_timer_softirq+0xf0/0x160 [ 14.418727][ C0] handle_softirqs+0x1d3/0x900 [ 14.418729][ C0] __irq_exit_rcu+0x145/0x1c0 [ 14.418730][ C0] irq_exit_rcu+0xe/0x30 [ 14.418732][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 14.418734][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 14.418736][ C0] pv_native_safe_halt+0xf/0x10 [ 14.418738][ C0] default_idle+0x9/0x10 [ 14.418740][ C0] default_idle_call+0x6e/0xb0 [ 14.418741][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 14.418743][ C0] do_idle+0xd8/0x190 [ 14.418745][ C0] cpu_startup_entry+0x53/0x70 [ 14.418747][ C0] rest_init+0x279/0x280 [ 14.418749][ C0] start_kernel+0x3af/0x3b0 [ 14.418751][ C0] x86_64_start_reservations+0x24/0x30 [ 14.418754][ C0] x86_64_start_kernel+0x12b/0x130 [ 14.418756][ C0] common_startup_64+0x13e/0x148 [ 14.418758][ C0] [ 14.418758][ C0] [ 14.418758][ C0] stack backtrace: [ 14.418762][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.418767][ C0] Tainted: [W]=WARN [ 14.418768][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.418770][ C0] Call Trace: [ 14.418772][ C0] [ 14.418773][ C0] dump_stack_lvl+0x6f/0xa0 [ 14.418779][ C0] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 14.418782][ C0] mark_lock_irq+0x989/0x9c0 [ 14.418787][ C0] mark_lock+0x1d7/0xa00 [ 14.418790][ C0] mark_usage+0x42/0x170 [ 14.418792][ C0] __lock_acquire+0x388/0xc20 [ 14.418796][ C0] lock_acquire.part.0+0xd4/0x280 [ 14.418799][ C0] ? console_lock_spinning_enable+0x40/0x60 [ 14.418802][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.418806][ C0] ? lock_acquire+0x13c/0x160 [ 14.418814][ C0] console_lock_spinning_enable+0x5c/0x60 [ 14.418817][ C0] ? console_lock_spinning_enable+0x40/0x60 [ 14.418819][ C0] console_emit_next_record+0x1d1/0x4c0 [ 14.418822][ C0] ? devkmsg_read+0x4b0/0x4b0 [ 14.418825][ C0] ? console_flush_one_record+0x106/0x710 [ 14.418828][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.418830][ C0] ? lock_acquire+0x13c/0x160 [ 14.418833][ C0] console_flush_one_record+0x46f/0x710 [ 14.418837][ C0] ? console_emit_next_record+0x4c0/0x4c0 [ 14.418839][ C0] ? __lock_acquire+0x518/0xc20 [ 14.418842][ C0] console_unlock+0xee/0x1f0 [ 14.418845][ C0] ? console_flush_one_record+0x710/0x710 [ 14.418847][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.418850][ C0] ? lock_acquire+0x60/0x160 [ 14.418853][ C0] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.418855][ C0] ? vprintk_emit+0x320/0x3e0 [ 14.418858][ C0] vprintk_emit+0x37c/0x3e0 [ 14.418861][ C0] ? wake_up_klogd_work_func+0x90/0x90 [ 14.418865][ C0] ? clocksource_watchdog.part.0+0x450/0x540 [ 14.418867][ C0] _printk+0xc7/0x100 [ 14.418870][ C0] ? snapshot_read.cold+0x21/0x21 [ 14.418872][ C0] ? clocksource_watchdog.part.0+0x450/0x540 [ 14.418875][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 14.418878][ C0] clocksource_watchdog.part.0.cold+0x105/0x1dd [ 14.418880][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 14.418883][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 14.418885][ C0] call_timer_fn+0x160/0x4d0 [ 14.418888][ C0] ? detach_if_pending+0x1d0/0x1d0 [ 14.418891][ C0] ? debug_object_active_state+0x430/0x430 [ 14.418895][ C0] ? find_held_lock+0x2b/0x80 [ 14.418898][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 14.418901][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.418905][ C0] __run_timers+0x68f/0xaa0 [ 14.418907][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 14.418911][ C0] ? __bpf_trace_itimer_expire+0x10/0x10 [ 14.418913][ C0] ? __lock_acquire+0x518/0xc20 [ 14.418918][ C0] ? __rwlock_init+0x150/0x150 [ 14.418922][ C0] run_timer_softirq+0xf0/0x160 [ 14.418925][ C0] ? __run_timers+0xaa0/0xaa0 [ 14.418927][ C0] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 14.418931][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.418933][ C0] handle_softirqs+0x1d3/0x900 [ 14.418936][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 14.418939][ C0] ? _local_bh_enable+0xc0/0xc0 [ 14.418942][ C0] __irq_exit_rcu+0x145/0x1c0 [ 14.418945][ C0] irq_exit_rcu+0xe/0x30 [ 14.418947][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 14.418950][ C0] [ 14.418951][ C0] [ 14.418951][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 14.418954][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 14.418957][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 14.418960][ C0] Code: 48 8b 3d 94 12 06 02 e8 1f 00 00 00 48 2b 05 58 13 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 b6 17 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 14.418962][ C0] RSP: 0018:ffffffff9c607cf8 EFLAGS: 00000296 [ 14.418965][ C0] RAX: 000000000006351b RBX: ffffffff9c62c600 RCX: ffffffff994fa307 [ 14.418967][ C0] RDX: ffffffff9c62c600 RSI: ffffffff9c478e9d RDI: ffffffff9be8dce0 [ 14.418969][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 14.418971][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff38c0fa2 [ 14.418972][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 14.418975][ C0] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 14.418978][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 14.418980][ C0] default_idle+0x9/0x10 [ 14.418983][ C0] default_idle_call+0x6e/0xb0 [ 14.418985][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 14.418988][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 14.418990][ C0] ? mark_tsc_async_resets+0x30/0x30 [ 14.418994][ C0] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 14.418996][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.418999][ C0] do_idle+0xd8/0x190 [ 14.419001][ C0] cpu_startup_entry+0x53/0x70 [ 14.419003][ C0] rest_init+0x279/0x280 [ 14.419006][ C0] ? __cpuidle_text_end+0x3b/0x3b [ 14.419010][ C0] ? rest_init+0x280/0x280 [ 14.419012][ C0] ? acpi_hw_set_mode+0x4a0/0x4a0 [ 14.419016][ C0] ? cpus_read_unlock+0x4f/0xc0 [ 14.419020][ C0] ? acpi_enable+0x1e4/0x330 [ 14.419024][ C0] start_kernel+0x3af/0x3b0 [ 14.419028][ C0] x86_64_start_reservations+0x24/0x30 [ 14.419030][ C0] x86_64_start_kernel+0x12b/0x130 [ 14.419033][ C0] common_startup_64+0x13e/0x148 [ 14.419038][ C0] [ 14.419043][ C0] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 14.419045][ C0] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/0 [ 14.419047][ C0] preempt_count: 103, expected: 0 [ 14.419048][ C0] RCU nest depth: 0, expected: 0 [ 14.419049][ C0] INFO: lockdep is turned off. [ 14.419050][ C0] irq event stamp: 406827 [ 14.419051][ C0] hardirqs last enabled at (406826): [] __down_trylock_console_sem+0x86/0xa0 [ 14.419054][ C0] hardirqs last disabled at (406827): [] console_emit_next_record+0x3d4/0x4c0 [ 14.419057][ C0] softirqs last enabled at (406806): [] handle_softirqs+0x67c/0x900 [ 14.419059][ C0] softirqs last disabled at (406813): [] __irq_exit_rcu+0x145/0x1c0 [ 14.419062][ C0] Preemption disabled at: [ 14.419063][ C0] [] schedule_preempt_disabled+0x22/0x30 [ 14.419067][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.419069][ C0] Tainted: [W]=WARN [ 14.419070][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.419071][ C0] Call Trace: [ 14.419073][ C0] [ 14.419073][ C0] dump_stack_lvl+0x6f/0xa0 [ 14.419076][ C0] ? schedule_preempt_disabled+0x22/0x30 [ 14.419079][ C0] __might_resched.cold+0x1fe/0x2c1 [ 14.419082][ C0] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 14.419086][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.419089][ C0] __kmalloc_noprof+0x443/0x760 [ 14.419092][ C0] ? __rwlock_init+0x150/0x150 [ 14.419094][ C0] ? alloc_buf.isra.0+0x4b/0x260 [ 14.419098][ C0] ? do_raw_spin_unlock+0x59/0x250 [ 14.419100][ C0] alloc_buf.isra.0+0x4b/0x260 [ 14.419103][ C0] put_chars+0x1e1/0x2f0 [ 14.419106][ C0] ? __send_to_port+0x420/0x420 [ 14.419109][ C0] ? mark_lock+0x1d7/0xa00 [ 14.419112][ C0] hvc_console_print+0x292/0x780 [ 14.419116][ C0] ? hvc_write+0x3a0/0x3a0 [ 14.419119][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.419121][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.419125][ C0] console_emit_next_record+0x22f/0x4c0 [ 14.419128][ C0] ? devkmsg_read+0x4b0/0x4b0 [ 14.419131][ C0] ? console_flush_one_record+0x106/0x710 [ 14.419134][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.419137][ C0] ? lock_acquire+0x13c/0x160 [ 14.419140][ C0] console_flush_one_record+0x46f/0x710 [ 14.419144][ C0] ? console_emit_next_record+0x4c0/0x4c0 [ 14.419146][ C0] ? __lock_acquire+0x518/0xc20 [ 14.419150][ C0] console_unlock+0xee/0x1f0 [ 14.419158][ C0] ? console_flush_one_record+0x710/0x710 [ 14.419161][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.419163][ C0] ? lock_acquire+0x60/0x160 [ 14.419167][ C0] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.419169][ C0] ? vprintk_emit+0x320/0x3e0 [ 14.419172][ C0] vprintk_emit+0x37c/0x3e0 [ 14.419176][ C0] ? wake_up_klogd_work_func+0x90/0x90 [ 14.419180][ C0] ? clocksource_watchdog.part.0+0x450/0x540 [ 14.419183][ C0] _printk+0xc7/0x100 [ 14.419186][ C0] ? snapshot_read.cold+0x21/0x21 [ 14.419188][ C0] ? clocksource_watchdog.part.0+0x450/0x540 [ 14.419191][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 14.419195][ C0] clocksource_watchdog.part.0.cold+0x105/0x1dd [ 14.419198][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 14.419201][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 14.419203][ C0] call_timer_fn+0x160/0x4d0 [ 14.419207][ C0] ? detach_if_pending+0x1d0/0x1d0 [ 14.419209][ C0] ? debug_object_active_state+0x430/0x430 [ 14.419212][ C0] ? find_held_lock+0x2b/0x80 [ 14.419215][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 14.419218][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.419222][ C0] __run_timers+0x68f/0xaa0 [ 14.419224][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 14.419228][ C0] ? __bpf_trace_itimer_expire+0x10/0x10 [ 14.419231][ C0] ? __lock_acquire+0x518/0xc20 [ 14.419235][ C0] ? __rwlock_init+0x150/0x150 [ 14.419239][ C0] run_timer_softirq+0xf0/0x160 [ 14.419242][ C0] ? __run_timers+0xaa0/0xaa0 [ 14.419245][ C0] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 14.419247][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.419250][ C0] handle_softirqs+0x1d3/0x900 [ 14.419253][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 14.419255][ C0] ? _local_bh_enable+0xc0/0xc0 [ 14.419259][ C0] __irq_exit_rcu+0x145/0x1c0 [ 14.419261][ C0] irq_exit_rcu+0xe/0x30 [ 14.419263][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 14.419266][ C0] [ 14.419266][ C0] [ 14.419267][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 14.419270][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 14.419272][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 14.419275][ C0] Code: 48 8b 3d 94 12 06 02 e8 1f 00 00 00 48 2b 05 58 13 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 b6 17 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 14.419277][ C0] RSP: 0018:ffffffff9c607cf8 EFLAGS: 00000296 [ 14.419279][ C0] RAX: 000000000006351b RBX: ffffffff9c62c600 RCX: ffffffff994fa307 [ 14.419280][ C0] RDX: ffffffff9c62c600 RSI: ffffffff9c478e9d RDI: ffffffff9be8dce0 [ 14.419282][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 14.419283][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff38c0fa2 [ 14.419284][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 14.419287][ C0] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 14.419291][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 14.419293][ C0] default_idle+0x9/0x10 [ 14.419295][ C0] default_idle_call+0x6e/0xb0 [ 14.419297][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 14.419300][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 14.419302][ C0] ? mark_tsc_async_resets+0x30/0x30 [ 14.419305][ C0] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 14.419306][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.419310][ C0] do_idle+0xd8/0x190 [ 14.419312][ C0] cpu_startup_entry+0x53/0x70 [ 14.419314][ C0] rest_init+0x279/0x280 [ 14.419317][ C0] ? __cpuidle_text_end+0x3b/0x3b [ 14.419321][ C0] ? rest_init+0x280/0x280 [ 14.419323][ C0] ? acpi_hw_set_mode+0x4a0/0x4a0 [ 14.419326][ C0] ? cpus_read_unlock+0x4f/0xc0 [ 14.419329][ C0] ? acpi_enable+0x1e4/0x330 [ 14.419332][ C0] start_kernel+0x3af/0x3b0 [ 14.419336][ C0] x86_64_start_reservations+0x24/0x30 [ 14.419338][ C0] x86_64_start_kernel+0x12b/0x130 [ 14.419341][ C0] common_startup_64+0x13e/0x148 [ 14.419346][ C0] [ 31.656054][ T234] RDS: shutdown called in state 1 [ 31.656069][ T234] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 31.656072][ T234] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 234, name: kworker/u16:3 [ 31.656073][ T234] preempt_count: 1, expected: 0 [ 31.656074][ T234] RCU nest depth: 0, expected: 0 [ 31.656075][ T234] INFO: lockdep is turned off. [ 31.656076][ T234] irq event stamp: 15680 [ 31.656077][ T234] hardirqs last enabled at (15679): [] _raw_spin_unlock_irq+0x28/0x50 [ 31.656086][ T234] hardirqs last disabled at (15680): [] __schedule+0x1246/0x20e0 [ 31.656089][ T234] softirqs last enabled at (15676): [] rds_send_xmit+0x1198/0x26e0 [ 31.656091][ T234] softirqs last disabled at (15674): [] release_sock+0x21/0x240 [ 31.656095][ T234] Preemption disabled at: [ 31.656096][ T234] [] vprintk_emit+0x31b/0x3e0 [ 31.656104][ T234] CPU: 3 UID: 0 PID: 234 Comm: kworker/u16:3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 31.656108][ T234] Tainted: [W]=WARN [ 31.656109][ T234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.656111][ T234] Workqueue: krds_cp_wq#1/2 rds_shutdown_worker [ 31.656117][ T234] Call Trace: [ 31.656119][ T234] [ 31.656121][ T234] dump_stack_lvl+0x6f/0xa0 [ 31.656128][ T234] ? vprintk_emit+0x31b/0x3e0 [ 31.656133][ T234] __might_resched.cold+0x1fe/0x2c1 [ 31.656139][ T234] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 31.656143][ T234] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 31.656145][ T234] ? rcu_is_watching+0x16/0xd0 [ 31.656149][ T234] __kmalloc_noprof+0x443/0x760 [ 31.656153][ T234] ? __rwlock_init+0x150/0x150 [ 31.656155][ T234] ? alloc_buf.isra.0+0x4b/0x260 [ 31.656159][ T234] ? do_raw_spin_unlock+0x59/0x250 [ 31.656161][ T234] alloc_buf.isra.0+0x4b/0x260 [ 31.656163][ T234] put_chars+0x1e1/0x2f0 [ 31.656165][ T234] ? prb_final_commit+0x50/0x50 [ 31.656167][ T234] ? __send_to_port+0x420/0x420 [ 31.656169][ T234] ? printk_get_next_message+0x240/0x650 [ 31.656172][ T234] hvc_console_print+0x292/0x780 [ 31.656177][ T234] ? hvc_write+0x3a0/0x3a0 [ 31.656178][ T234] ? do_raw_spin_lock+0x131/0x280 [ 31.656180][ T234] ? vsnprintf+0x668/0x1700 [ 31.656183][ T234] ? __rwlock_init+0x150/0x150 [ 31.656184][ T234] ? rcu_is_watching+0x16/0xd0 [ 31.656187][ T234] ? lock_acquire+0x13c/0x160 [ 31.656189][ T234] console_emit_next_record+0x22f/0x4c0 [ 31.656192][ T234] ? devkmsg_read+0x4b0/0x4b0 [ 31.656194][ T234] ? rcu_is_watching+0x16/0xd0 [ 31.656195][ T234] ? rcu_is_watching+0x16/0xd0 [ 31.656197][ T234] ? rcu_is_watching+0x16/0xd0 [ 31.656199][ T234] ? lock_acquire+0x13c/0x160 [ 31.656201][ T234] ? console_flush_one_record+0x111/0x710 [ 31.656202][ T234] console_flush_one_record+0x46f/0x710 [ 31.656205][ T234] ? console_emit_next_record+0x4c0/0x4c0 [ 31.656208][ T234] console_unlock+0xee/0x1f0 [ 31.656210][ T234] ? lock_acquire+0x13c/0x160 [ 31.656212][ T234] ? console_flush_one_record+0x710/0x710 [ 31.656214][ T234] ? rcu_is_watching+0x16/0xd0 [ 31.656217][ T234] ? lock_release+0x184/0x1f0 [ 31.656218][ T234] ? lock_acquire+0x60/0x160 [ 31.656220][ T234] ? __rcu_read_lock+0x30/0x70 [ 31.656223][ T234] ? __down_trylock_console_sem+0x5e/0xa0 [ 31.656225][ T234] ? vprintk_emit+0x320/0x3e0 [ 31.656227][ T234] vprintk_emit+0x37c/0x3e0 [ 31.656229][ T234] ? wake_up_klogd_work_func+0x90/0x90 [ 31.656231][ T234] ? lock_release+0x184/0x1f0 [ 31.656233][ T234] ? ww_mutex_lock+0x160/0x160 [ 31.656235][ T234] ? __queue_work+0x3ab/0xd30 [ 31.656238][ T234] __rds_conn_path_error+0xbd/0x100 [ 31.656241][ T234] ? rds_check_all_paths+0xb0/0xb0 [ 31.656243][ T234] ? lock_acquire+0x13c/0x160 [ 31.656244][ T234] ? rcu_is_watching+0x16/0xd0 [ 31.656247][ T234] ? rds_conn_shutdown+0x652/0xa20 [ 31.656248][ T234] rds_conn_shutdown+0x695/0xa20 [ 31.656250][ T234] ? __rds_conn_path_error+0x100/0x100 [ 31.656251][ T234] ? debug_object_active_state+0x430/0x430 [ 31.656256][ T234] ? rcu_is_watching+0x16/0xd0 [ 31.656258][ T234] ? rcu_is_watching+0x16/0xd0 [ 31.656260][ T234] ? lock_acquire+0x13c/0x160 [ 31.656261][ T234] ? rcu_is_watching+0x16/0xd0 [ 31.656264][ T234] ? process_one_work+0xdfc/0x1560 [ 31.656266][ T234] process_one_work+0xe3e/0x1560 [ 31.656269][ T234] ? __queue_delayed_work+0x470/0x470 [ 31.656272][ T234] ? __rwlock_init+0x150/0x150 [ 31.656274][ T234] worker_thread+0x4f1/0xd60 [ 31.656276][ T234] ? rescuer_thread+0x1340/0x1340 [ 31.656278][ T234] ? __kthread_parkme+0xbd/0x210 [ 31.656281][ T234] ? rescuer_thread+0x1340/0x1340 [ 31.656282][ T234] ? rescuer_thread+0x1340/0x1340 [ 31.656284][ T234] kthread+0x367/0x460 [ 31.656285][ T234] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 31.656288][ T234] ? kthread_affine_preferred+0x4c0/0x4c0 [ 31.656290][ T234] ret_from_fork+0x474/0x6b0 [ 31.656293][ T234] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 31.656294][ T234] ? __switch_to+0x5a3/0xe00 [ 31.656297][ T234] ? kthread_affine_preferred+0x4c0/0x4c0 [ 31.656299][ T234] ret_from_fork_asm+0x11/0x20 [ 31.656303][ T234] [ 37.738461][ T12] RDS: shutdown called in state 1 [ 37.738478][ T12] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 37.738480][ T12] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 12, name: kworker/u16:0 [ 37.738482][ T12] preempt_count: 1, expected: 0 [ 37.738483][ T12] RCU nest depth: 0, expected: 0 [ 37.738484][ T12] INFO: lockdep is turned off. [ 37.738485][ T12] irq event stamp: 8766 [ 37.738486][ T12] hardirqs last enabled at (8765): [] _raw_spin_unlock_irq+0x28/0x50 [ 37.738495][ T12] hardirqs last disabled at (8766): [] __schedule+0x1246/0x20e0 [ 37.738498][ T12] softirqs last enabled at (8754): [] inet_csk_accept+0x2d5/0x6f0 [ 37.738501][ T12] softirqs last disabled at (8752): [] release_sock+0x21/0x240 [ 37.738504][ T12] Preemption disabled at: [ 37.738505][ T12] [] vprintk_emit+0x31b/0x3e0 [ 37.738514][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 37.738518][ T12] Tainted: [W]=WARN [ 37.738519][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.738522][ T12] Workqueue: krds_cp_wq#1/6 rds_shutdown_worker [ 37.738528][ T12] Call Trace: [ 37.738530][ T12] [ 37.738533][ T12] dump_stack_lvl+0x6f/0xa0 [ 37.738538][ T12] ? vprintk_emit+0x31b/0x3e0 [ 37.738540][ T12] __might_resched.cold+0x1fe/0x2c1 [ 37.738544][ T12] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 37.738547][ T12] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 37.738549][ T12] ? rcu_is_watching+0x16/0xd0 [ 37.738553][ T12] __kmalloc_noprof+0x443/0x760 [ 37.738557][ T12] ? __rwlock_init+0x150/0x150 [ 37.738559][ T12] ? alloc_buf.isra.0+0x4b/0x260 [ 37.738563][ T12] ? do_raw_spin_unlock+0x59/0x250 [ 37.738565][ T12] alloc_buf.isra.0+0x4b/0x260 [ 37.738567][ T12] put_chars+0x1e1/0x2f0 [ 37.738569][ T12] ? prb_final_commit+0x50/0x50 [ 37.738570][ T12] ? __send_to_port+0x420/0x420 [ 37.738572][ T12] ? printk_get_next_message+0x240/0x650 [ 37.738575][ T12] hvc_console_print+0x292/0x780 [ 37.738579][ T12] ? hvc_write+0x3a0/0x3a0 [ 37.738580][ T12] ? do_raw_spin_lock+0x131/0x280 [ 37.738582][ T12] ? vsnprintf+0x668/0x1700 [ 37.738585][ T12] ? __rwlock_init+0x150/0x150 [ 37.738586][ T12] ? rcu_is_watching+0x16/0xd0 [ 37.738589][ T12] ? lock_acquire+0x13c/0x160 [ 37.738592][ T12] console_emit_next_record+0x22f/0x4c0 [ 37.738596][ T12] ? devkmsg_read+0x4b0/0x4b0 [ 37.738599][ T12] ? rcu_is_watching+0x16/0xd0 [ 37.738601][ T12] ? rcu_is_watching+0x16/0xd0 [ 37.738603][ T12] ? rcu_is_watching+0x16/0xd0 [ 37.738605][ T12] ? lock_acquire+0x13c/0x160 [ 37.738607][ T12] ? console_flush_one_record+0x111/0x710 [ 37.738609][ T12] console_flush_one_record+0x46f/0x710 [ 37.738612][ T12] ? console_emit_next_record+0x4c0/0x4c0 [ 37.738615][ T12] console_unlock+0xee/0x1f0 [ 37.738617][ T12] ? lock_acquire+0x13c/0x160 [ 37.738619][ T12] ? console_flush_one_record+0x710/0x710 [ 37.738621][ T12] ? rcu_is_watching+0x16/0xd0 [ 37.738623][ T12] ? lock_release+0x184/0x1f0 [ 37.738624][ T12] ? lock_acquire+0x60/0x160 [ 37.738626][ T12] ? __rcu_read_lock+0x30/0x70 [ 37.738628][ T12] ? __down_trylock_console_sem+0x5e/0xa0 [ 37.738630][ T12] ? vprintk_emit+0x320/0x3e0 [ 37.738632][ T12] vprintk_emit+0x37c/0x3e0 [ 37.738634][ T12] ? wake_up_klogd_work_func+0x90/0x90 [ 37.738636][ T12] ? ww_mutex_lock+0x160/0x160 [ 37.738639][ T12] __rds_conn_path_error+0xbd/0x100 [ 37.738641][ T12] ? rds_check_all_paths+0xb0/0xb0 [ 37.738643][ T12] ? lock_acquire+0x13c/0x160 [ 37.738645][ T12] ? rcu_is_watching+0x16/0xd0 [ 37.738647][ T12] ? rds_conn_shutdown+0x652/0xa20 [ 37.738649][ T12] rds_conn_shutdown+0x695/0xa20 [ 37.738650][ T12] ? __rds_conn_path_error+0x100/0x100 [ 37.738652][ T12] ? debug_object_active_state+0x430/0x430 [ 37.738656][ T12] ? rcu_is_watching+0x16/0xd0 [ 37.738658][ T12] ? rcu_is_watching+0x16/0xd0 [ 37.738660][ T12] ? lock_acquire+0x13c/0x160 [ 37.738661][ T12] ? rcu_is_watching+0x16/0xd0 [ 37.738663][ T12] ? process_one_work+0xdfc/0x1560 [ 37.738666][ T12] process_one_work+0xe3e/0x1560 [ 37.738669][ T12] ? __queue_delayed_work+0x470/0x470 [ 37.738671][ T12] ? __rwlock_init+0x150/0x150 [ 37.738674][ T12] worker_thread+0x4f1/0xd60 [ 37.738677][ T12] ? rescuer_thread+0x1340/0x1340 [ 37.738679][ T12] kthread+0x367/0x460 [ 37.738681][ T12] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 37.738684][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 37.738686][ T12] ret_from_fork+0x474/0x6b0 [ 37.738689][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 37.738690][ T12] ? __switch_to+0x5a3/0xe00 [ 37.738693][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 37.738695][ T12] ret_from_fork_asm+0x11/0x20 [ 37.738699][ T12]