[ 9.541162][ T208] ip (208) used greatest stack depth: 24224 bytes left [ 9.541176][ T208] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.541178][ T208] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 208, name: ip [ 9.541180][ T208] preempt_count: 2, expected: 0 [ 9.541181][ T208] RCU nest depth: 0, expected: 0 [ 9.541182][ T208] locks held by ip/208: 5, last CPU#3: [ 9.541184][ T208] #0: ffffffffbb2267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.541196][ T208] #1: ffffffffbb38dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.541201][ T208] #2: ffffffffbb38dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.541204][ T208] #3: ffffffffbb2ad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.541208][ T208] #4: ffffffffbb2ad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.541211][ T208] irq event stamp: 34400 [ 9.541212][ T208] hardirqs last enabled at (34399): [] __down_trylock_console_sem+0x86/0xa0 [ 9.541214][ T208] hardirqs last disabled at (34400): [] console_emit_next_record+0x3d4/0x4c0 [ 9.541216][ T208] softirqs last enabled at (33116): [] netlink_release+0x17b/0xcf0 [ 9.541221][ T208] softirqs last disabled at (33114): [] netlink_release+0xd2/0xcf0 [ 9.541223][ T208] Preemption disabled at: [ 9.541224][ T208] [<0000000000000000>] 0x0 [ 9.541230][ T208] CPU: 3 UID: 0 PID: 208 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.541234][ T208] Tainted: [W]=WARN [ 9.541235][ T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.541236][ T208] Call Trace: [ 9.541238][ T208] [ 9.541239][ T208] dump_stack_lvl+0x6f/0xa0 [ 9.541245][ T208] __might_resched.cold+0x1fe/0x2c1 [ 9.541250][ T208] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.541253][ T208] ? __kmalloc_noprof+0xdb/0x760 [ 9.541258][ T208] __kmalloc_noprof+0x443/0x760 [ 9.541260][ T208] ? alloc_buf.isra.0+0x4b/0x260 [ 9.541266][ T208] ? do_raw_spin_unlock+0x59/0x250 [ 9.541268][ T208] alloc_buf.isra.0+0x4b/0x260 [ 9.541272][ T208] put_chars+0x1e1/0x2f0 [ 9.541274][ T208] ? __send_to_port+0x420/0x420 [ 9.541276][ T208] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.541281][ T208] ? validate_chain+0x38b/0xc20 [ 9.541286][ T208] hvc_console_print+0x292/0x780 [ 9.541293][ T208] ? hvc_write+0x3a0/0x3a0 [ 9.541296][ T208] ? rcu_is_watching+0x16/0xd0 [ 9.541298][ T208] ? lock_acquire+0x13c/0x160 [ 9.541301][ T208] console_emit_next_record+0x22f/0x4c0 [ 9.541305][ T208] ? devkmsg_read+0x4b0/0x4b0 [ 9.541306][ T208] ? console_flush_one_record+0x106/0x710 [ 9.541309][ T208] ? rcu_is_watching+0x16/0xd0 [ 9.541311][ T208] ? lock_acquire+0x13c/0x160 [ 9.541315][ T208] console_flush_one_record+0x46f/0x710 [ 9.541319][ T208] ? console_emit_next_record+0x4c0/0x4c0 [ 9.541320][ T208] ? __lock_acquire+0x518/0xc20 [ 9.541325][ T208] console_unlock+0xee/0x1f0 [ 9.541327][ T208] ? console_flush_one_record+0x710/0x710 [ 9.541329][ T208] ? rcu_is_watching+0x16/0xd0 [ 9.541331][ T208] ? lock_acquire+0x60/0x160 [ 9.541334][ T208] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.541336][ T208] ? vprintk_emit+0x320/0x3e0 [ 9.541339][ T208] vprintk_emit+0x37c/0x3e0 [ 9.541342][ T208] ? wake_up_klogd_work_func+0x90/0x90 [ 9.541345][ T208] ? __lock_acquire+0x518/0xc20 [ 9.541350][ T208] _printk+0xc7/0x100 [ 9.541354][ T208] ? snapshot_read.cold+0x21/0x21 [ 9.541357][ T208] ? do_raw_spin_lock+0x131/0x280 [ 9.541359][ T208] ? __rwlock_init+0x150/0x150 [ 9.541363][ T208] ? do_raw_spin_lock+0x131/0x280 [ 9.541365][ T208] do_exit.cold+0x82/0x9c [ 9.541369][ T208] ? exit_notify+0x890/0x890 [ 9.541371][ T208] ? __lock_release.isra.0+0x69/0x1a0 [ 9.541373][ T208] ? rcu_is_watching+0x16/0xd0 [ 9.541377][ T208] do_group_exit+0xb8/0x370 [ 9.541380][ T208] __x64_sys_exit_group+0x3c/0x50 [ 9.541382][ T208] x64_sys_call+0x1567/0x1570 [ 9.541384][ T208] do_syscall_64+0xff/0x530 [ 9.541387][ T208] ? exc_page_fault+0xee/0x100 [ 9.541390][ T208] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.541392][ T208] RIP: 0033:0x7f68502e21b8 [ 9.541395][ T208] Code: Unable to access opcode bytes at 0x7f68502e218e. [ 9.541396][ T208] RSP: 002b:00007ffc3372f298 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.541398][ T208] RAX: ffffffffffffffda RBX: 00007f6850412f88 RCX: 00007f68502e21b8 [ 9.541399][ T208] RDX: 00007f685002cfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.541400][ T208] RBP: 00007ffc3372f2f0 R08: 0000000000000000 R09: 0000000000000000 [ 9.541401][ T208] R10: 00007ffc3372f0b0 R11: 0000000000000246 R12: 0000000000000001 [ 9.541402][ T208] R13: 0000000000000000 R14: 00007f6850411680 R15: 00007f6850412fa0 [ 9.541410][ T208] [ 9.571592][ T209] ip (209) used greatest stack depth: 23840 bytes left [ 257.810390][ T6251] grep (6251) used greatest stack depth: 23808 bytes left [ 257.810408][ T6251] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 257.810410][ T6251] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 6251, name: grep [ 257.810412][ T6251] preempt_count: 2, expected: 0 [ 257.810412][ T6251] RCU nest depth: 0, expected: 0 [ 257.810414][ T6251] locks held by grep/6251: 5, last CPU#1: [ 257.810415][ T6251] #0: ffffffffbb2267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 257.810428][ T6251] #1: ffffffffbb38dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 257.810434][ T6251] #2: ffffffffbb38dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 257.810438][ T6251] #3: ffffffffbb2ad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 257.810441][ T6251] #4: ffffffffbb2ad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 257.810445][ T6251] irq event stamp: 14436 [ 257.810446][ T6251] hardirqs last enabled at (14435): [] __down_trylock_console_sem+0x86/0xa0 [ 257.810449][ T6251] hardirqs last disabled at (14436): [] console_emit_next_record+0x3d4/0x4c0 [ 257.810451][ T6251] softirqs last enabled at (13464): [] handle_softirqs+0x67c/0x900 [ 257.810452][ T6251] softirqs last disabled at (13317): [] __irq_exit_rcu+0x145/0x1c0 [ 257.810455][ T6251] Preemption disabled at: [ 257.810455][ T6251] [<0000000000000000>] 0x0 [ 257.810462][ T6251] CPU: 1 UID: 0 PID: 6251 Comm: grep Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 257.810466][ T6251] Tainted: [W]=WARN [ 257.810467][ T6251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 257.810468][ T6251] Call Trace: [ 257.810470][ T6251] [ 257.810472][ T6251] dump_stack_lvl+0x6f/0xa0 [ 257.810478][ T6251] __might_resched.cold+0x1fe/0x2c1 [ 257.810482][ T6251] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 257.810486][ T6251] ? __kmalloc_noprof+0xdb/0x760 [ 257.810491][ T6251] __kmalloc_noprof+0x443/0x760 [ 257.810493][ T6251] ? alloc_buf.isra.0+0x4b/0x260 [ 257.810500][ T6251] ? do_raw_spin_unlock+0x59/0x250 [ 257.810502][ T6251] alloc_buf.isra.0+0x4b/0x260 [ 257.810506][ T6251] put_chars+0x1e1/0x2f0 [ 257.810509][ T6251] ? __send_to_port+0x420/0x420 [ 257.810511][ T6251] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 257.810516][ T6251] ? validate_chain+0x38b/0xc20 [ 257.810521][ T6251] hvc_console_print+0x292/0x780 [ 257.810528][ T6251] ? hvc_write+0x3a0/0x3a0 [ 257.810531][ T6251] ? rcu_is_watching+0x16/0xd0 [ 257.810533][ T6251] ? lock_acquire+0x13c/0x160 [ 257.810537][ T6251] console_emit_next_record+0x22f/0x4c0 [ 257.810541][ T6251] ? devkmsg_read+0x4b0/0x4b0 [ 257.810543][ T6251] ? console_flush_one_record+0x106/0x710 [ 257.810546][ T6251] ? rcu_is_watching+0x16/0xd0 [ 257.810548][ T6251] ? lock_acquire+0x13c/0x160 [ 257.810552][ T6251] console_flush_one_record+0x46f/0x710 [ 257.810556][ T6251] ? console_emit_next_record+0x4c0/0x4c0 [ 257.810557][ T6251] ? __lock_acquire+0x518/0xc20 [ 257.810562][ T6251] console_unlock+0xee/0x1f0 [ 257.810565][ T6251] ? console_flush_one_record+0x710/0x710 [ 257.810567][ T6251] ? rcu_is_watching+0x16/0xd0 [ 257.810569][ T6251] ? lock_acquire+0x60/0x160 [ 257.810572][ T6251] ? __down_trylock_console_sem+0x5e/0xa0 [ 257.810574][ T6251] ? vprintk_emit+0x320/0x3e0 [ 257.810577][ T6251] vprintk_emit+0x37c/0x3e0 [ 257.810581][ T6251] ? wake_up_klogd_work_func+0x90/0x90 [ 257.810584][ T6251] ? __lock_acquire+0x518/0xc20 [ 257.810587][ T6251] _printk+0xc7/0x100 [ 257.810591][ T6251] ? snapshot_read.cold+0x21/0x21 [ 257.810594][ T6251] ? do_raw_spin_lock+0x131/0x280 [ 257.810597][ T6251] ? __rwlock_init+0x150/0x150 [ 257.810601][ T6251] ? do_raw_spin_lock+0x131/0x280 [ 257.810603][ T6251] do_exit.cold+0x82/0x9c [ 257.810607][ T6251] ? exit_notify+0x890/0x890 [ 257.810609][ T6251] ? __lock_release.isra.0+0x69/0x1a0 [ 257.810611][ T6251] ? rcu_is_watching+0x16/0xd0 [ 257.810615][ T6251] do_group_exit+0xb8/0x370 [ 257.810619][ T6251] __x64_sys_exit_group+0x3c/0x50 [ 257.810621][ T6251] x64_sys_call+0x1567/0x1570 [ 257.810623][ T6251] do_syscall_64+0xff/0x530 [ 257.810626][ T6251] ? exc_page_fault+0xee/0x100 [ 257.810630][ T6251] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 257.810632][ T6251] RIP: 0033:0x7ff3bb6971b8 [ 257.810634][ T6251] Code: Unable to access opcode bytes at 0x7ff3bb69718e. [ 257.810636][ T6251] RSP: 002b:00007ffd3f0df1a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 257.810638][ T6251] RAX: ffffffffffffffda RBX: 00007ff3bb7c7f88 RCX: 00007ff3bb6971b8 [ 257.810639][ T6251] RDX: 00007ff3bb5d5e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 257.810640][ T6251] RBP: 00007ffd3f0df200 R08: 0000000000000000 R09: 0000000000001010 [ 257.810641][ T6251] R10: 00007ffd3f0df040 R11: 0000000000000246 R12: 0000000000000002 [ 257.810642][ T6251] R13: 0000000000000000 R14: 00007ff3bb7c6680 R15: 00007ff3bb7c7fa0 [ 257.810649][ T6251] [ 834.402491][ C0] clocksource: Watchdog remote CPU 3 read timed out [ 834.402801][ C0] [ 834.402802][ C0] ======================================================== [ 834.402803][ C0] WARNING: possible irq lock inversion dependency detected [ 834.402806][ C0] 7.2.0-virtme #1 Tainted: G W [ 834.402807][ C0] -------------------------------------------------------- [ 834.402808][ C0] swapper/0/0 just changed the state of lock: [ 834.402809][ C0] ffffffffbb2ad660 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 834.402822][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 834.402824][ C0] (fs_reclaim){+.+.}-{0:0} [ 834.402825][ C0] [ 834.402825][ C0] [ 834.402825][ C0] and interrupts could create inverse lock ordering between them. [ 834.402825][ C0] [ 834.402826][ C0] [ 834.402826][ C0] other info that might help us debug this: [ 834.402827][ C0] Possible interrupt unsafe locking scenario: [ 834.402827][ C0] [ 834.402827][ C0] CPU0 CPU1 [ 834.402828][ C0] ---- ---- [ 834.402828][ C0] lock(fs_reclaim); [ 834.402829][ C0] local_irq_disable(); [ 834.402830][ C0] lock(console_owner); [ 834.402831][ C0] lock(fs_reclaim); [ 834.402831][ C0] [ 834.402832][ C0] lock(console_owner); [ 834.402833][ C0] [ 834.402833][ C0] *** DEADLOCK *** [ 834.402833][ C0] [ 834.402833][ C0] locks held by swapper/0/0: 4, last CPU#0: [ 834.402834][ C0] #0: ffa0000000007c90 ((&watchdog_timer)){+.-.}-{0:0}, at: call_timer_fn+0x110/0x4d0 [ 834.402840][ C0] #1: ffffffffbb3f28b8 (watchdog_lock){+.-.}-{3:3}, at: clocksource_watchdog+0x15/0x30 [ 834.402844][ C0] #2: ffffffffbb38dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 834.402847][ C0] #3: ffffffffbb38dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 834.402851][ C0] [ 834.402851][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 834.402855][ C0] -> (fs_reclaim){+.+.}-{0:0} { [ 834.402857][ C0] HARDIRQ-ON-W at: [ 834.402859][ C0] __lock_acquire+0x388/0xc20 [ 834.402862][ C0] lock_acquire.part.0+0xd4/0x280 [ 834.402863][ C0] fs_reclaim_acquire+0xd5/0x120 [ 834.402867][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 834.402869][ C0] kthread_create_worker_on_node+0xea/0x210 [ 834.402872][ C0] workqueue_init+0x2a/0x680 [ 834.402875][ C0] kernel_init_freeable+0x2fe/0x630 [ 834.402878][ C0] kernel_init+0x21/0x150 [ 834.402882][ C0] ret_from_fork+0x474/0x6b0 [ 834.402886][ C0] ret_from_fork_asm+0x11/0x20 [ 834.402889][ C0] SOFTIRQ-ON-W at: [ 834.402889][ C0] __lock_acquire+0x388/0xc20 [ 834.402891][ C0] lock_acquire.part.0+0xd4/0x280 [ 834.402892][ C0] fs_reclaim_acquire+0xd5/0x120 [ 834.402893][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 834.402895][ C0] kthread_create_worker_on_node+0xea/0x210 [ 834.402896][ C0] workqueue_init+0x2a/0x680 [ 834.402897][ C0] kernel_init_freeable+0x2fe/0x630 [ 834.402898][ C0] kernel_init+0x21/0x150 [ 834.402900][ C0] ret_from_fork+0x474/0x6b0 [ 834.402902][ C0] ret_from_fork_asm+0x11/0x20 [ 834.402903][ C0] INITIAL USE at: [ 834.402904][ C0] __lock_acquire+0x388/0xc20 [ 834.402905][ C0] lock_acquire.part.0+0xd4/0x280 [ 834.402906][ C0] fs_reclaim_acquire+0xd5/0x120 [ 834.402908][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 834.402909][ C0] kthread_create_worker_on_node+0xea/0x210 [ 834.402910][ C0] workqueue_init+0x2a/0x680 [ 834.402911][ C0] kernel_init_freeable+0x2fe/0x630 [ 834.402912][ C0] kernel_init+0x21/0x150 [ 834.402914][ C0] ret_from_fork+0x474/0x6b0 [ 834.402916][ C0] ret_from_fork_asm+0x11/0x20 [ 834.402917][ C0] } [ 834.402917][ C0] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 834.402921][ C0] ... acquired at: [ 834.402922][ C0] __lock_acquire+0x518/0xc20 [ 834.402923][ C0] lock_acquire.part.0+0xd4/0x280 [ 834.402924][ C0] fs_reclaim_acquire+0xd5/0x120 [ 834.402926][ C0] __kmalloc_noprof+0xd3/0x760 [ 834.402927][ C0] alloc_buf.isra.0+0x4b/0x260 [ 834.402931][ C0] put_chars+0x1e1/0x2f0 [ 834.402933][ C0] hvc_console_print+0x292/0x780 [ 834.402936][ C0] console_emit_next_record+0x22f/0x4c0 [ 834.402938][ C0] console_flush_one_record+0x46f/0x710 [ 834.402939][ C0] console_unlock+0xee/0x1f0 [ 834.402940][ C0] vprintk_emit+0x37c/0x3e0 [ 834.402942][ C0] dev_vprintk_emit+0x27f/0x2c0 [ 834.402945][ C0] dev_printk_emit+0xb9/0xee [ 834.402947][ C0] _dev_info+0xe2/0x116 [ 834.402949][ C0] __devm_rtc_register_device.cold+0xc3/0x3a8 [ 834.402951][ C0] cmos_do_probe+0x73b/0x98a [ 834.402952][ C0] platform_probe+0xfe/0x1f0 [ 834.402955][ C0] call_driver_probe+0x61/0x1c0 [ 834.402957][ C0] really_probe+0x199/0x760 [ 834.402958][ C0] __driver_probe_device+0x24f/0x440 [ 834.402960][ C0] driver_probe_device+0x4a/0xf0 [ 834.402961][ C0] __driver_attach+0x1b8/0x540 [ 834.402962][ C0] bus_for_each_dev+0x130/0x1e0 [ 834.402963][ C0] bus_add_driver+0x2c8/0x530 [ 834.402964][ C0] driver_register+0x1a3/0x390 [ 834.402966][ C0] __platform_driver_probe+0x13f/0x270 [ 834.402967][ C0] cmos_init+0x31/0x40 [ 834.402970][ C0] do_one_initcall+0x124/0x4f0 [ 834.402971][ C0] kernel_init_freeable+0x596/0x630 [ 834.402973][ C0] kernel_init+0x21/0x150 [ 834.402974][ C0] ret_from_fork+0x474/0x6b0 [ 834.402976][ C0] ret_from_fork_asm+0x11/0x20 [ 834.402977][ C0] [ 834.402977][ C0] -> (console_owner){..-.}-{0:0} { [ 834.402979][ C0] IN-SOFTIRQ-W at: [ 834.402980][ C0] __lock_acquire+0x388/0xc20 [ 834.402981][ C0] lock_acquire.part.0+0xd4/0x280 [ 834.402982][ C0] console_lock_spinning_enable+0x5c/0x60 [ 834.402984][ C0] console_emit_next_record+0x1d1/0x4c0 [ 834.402985][ C0] console_flush_one_record+0x46f/0x710 [ 834.402987][ C0] console_unlock+0xee/0x1f0 [ 834.402988][ C0] vprintk_emit+0x37c/0x3e0 [ 834.402990][ C0] _printk+0xc7/0x100 [ 834.402992][ C0] clocksource_watchdog.part.0.cold+0x105/0x1dd [ 834.402995][ C0] call_timer_fn+0x160/0x4d0 [ 834.402996][ C0] __run_timers+0x68f/0xaa0 [ 834.402998][ C0] run_timer_softirq+0xf0/0x160 [ 834.402999][ C0] handle_softirqs+0x1d3/0x900 [ 834.403002][ C0] __irq_exit_rcu+0x145/0x1c0 [ 834.403003][ C0] irq_exit_rcu+0xe/0x30 [ 834.403004][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 834.403006][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 834.403008][ C0] pv_native_safe_halt+0xf/0x10 [ 834.403010][ C0] default_idle+0x9/0x10 [ 834.403011][ C0] default_idle_call+0x6e/0xb0 [ 834.403013][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 834.403015][ C0] do_idle+0xd8/0x190 [ 834.403016][ C0] cpu_startup_entry+0x53/0x70 [ 834.403017][ C0] rest_init+0x279/0x280 [ 834.403018][ C0] start_kernel+0x3af/0x3b0 [ 834.403020][ C0] x86_64_start_reservations+0x24/0x30 [ 834.403022][ C0] x86_64_start_kernel+0x12b/0x130 [ 834.403024][ C0] common_startup_64+0x13e/0x148 [ 834.403026][ C0] INITIAL USE at: [ 834.403027][ C0] } [ 834.403027][ C0] ... key at: [] console_owner_dep_map+0x0/0x60 [ 834.403030][ C0] ... acquired at: [ 834.403030][ C0] mark_lock+0x1d7/0xa00 [ 834.403032][ C0] mark_usage+0x42/0x170 [ 834.403033][ C0] __lock_acquire+0x388/0xc20 [ 834.403034][ C0] lock_acquire.part.0+0xd4/0x280 [ 834.403035][ C0] console_lock_spinning_enable+0x5c/0x60 [ 834.403037][ C0] console_emit_next_record+0x1d1/0x4c0 [ 834.403038][ C0] console_flush_one_record+0x46f/0x710 [ 834.403040][ C0] console_unlock+0xee/0x1f0 [ 834.403041][ C0] vprintk_emit+0x37c/0x3e0 [ 834.403042][ C0] _printk+0xc7/0x100 [ 834.403044][ C0] clocksource_watchdog.part.0.cold+0x105/0x1dd [ 834.403045][ C0] call_timer_fn+0x160/0x4d0 [ 834.403046][ C0] __run_timers+0x68f/0xaa0 [ 834.403047][ C0] run_timer_softirq+0xf0/0x160 [ 834.403049][ C0] handle_softirqs+0x1d3/0x900 [ 834.403050][ C0] __irq_exit_rcu+0x145/0x1c0 [ 834.403051][ C0] irq_exit_rcu+0xe/0x30 [ 834.403052][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 834.403053][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 834.403055][ C0] pv_native_safe_halt+0xf/0x10 [ 834.403056][ C0] default_idle+0x9/0x10 [ 834.403057][ C0] default_idle_call+0x6e/0xb0 [ 834.403059][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 834.403060][ C0] do_idle+0xd8/0x190 [ 834.403061][ C0] cpu_startup_entry+0x53/0x70 [ 834.403062][ C0] rest_init+0x279/0x280 [ 834.403064][ C0] start_kernel+0x3af/0x3b0 [ 834.403065][ C0] x86_64_start_reservations+0x24/0x30 [ 834.403066][ C0] x86_64_start_kernel+0x12b/0x130 [ 834.403068][ C0] common_startup_64+0x13e/0x148 [ 834.403069][ C0] [ 834.403069][ C0] [ 834.403069][ C0] stack backtrace: [ 834.403072][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 834.403075][ C0] Tainted: [W]=WARN [ 834.403076][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 834.403078][ C0] Call Trace: [ 834.403079][ C0] [ 834.403080][ C0] dump_stack_lvl+0x6f/0xa0 [ 834.403083][ C0] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 834.403086][ C0] mark_lock_irq+0x989/0x9c0 [ 834.403087][ C0] ? add_lock_to_list+0x2c/0x1a0 [ 834.403090][ C0] mark_lock+0x1d7/0xa00 [ 834.403092][ C0] mark_usage+0x42/0x170 [ 834.403093][ C0] __lock_acquire+0x388/0xc20 [ 834.403095][ C0] lock_acquire.part.0+0xd4/0x280 [ 834.403097][ C0] ? console_lock_spinning_enable+0x40/0x60 [ 834.403099][ C0] ? rcu_is_watching+0x16/0xd0 [ 834.403101][ C0] ? lock_acquire+0x13c/0x160 [ 834.403103][ C0] console_lock_spinning_enable+0x5c/0x60 [ 834.403105][ C0] ? console_lock_spinning_enable+0x40/0x60 [ 834.403106][ C0] console_emit_next_record+0x1d1/0x4c0 [ 834.403108][ C0] ? devkmsg_read+0x4b0/0x4b0 [ 834.403110][ C0] ? console_flush_one_record+0x106/0x710 [ 834.403112][ C0] ? rcu_is_watching+0x16/0xd0 [ 834.403113][ C0] ? lock_acquire+0x13c/0x160 [ 834.403115][ C0] console_flush_one_record+0x46f/0x710 [ 834.403117][ C0] ? console_emit_next_record+0x4c0/0x4c0 [ 834.403119][ C0] ? __lock_acquire+0x518/0xc20 [ 834.403121][ C0] console_unlock+0xee/0x1f0 [ 834.403123][ C0] ? console_flush_one_record+0x710/0x710 [ 834.403124][ C0] ? rcu_is_watching+0x16/0xd0 [ 834.403126][ C0] ? lock_acquire+0x60/0x160 [ 834.403128][ C0] ? __down_trylock_console_sem+0x5e/0xa0 [ 834.403129][ C0] ? vprintk_emit+0x320/0x3e0 [ 834.403131][ C0] vprintk_emit+0x37c/0x3e0 [ 834.403133][ C0] ? wake_up_klogd_work_func+0x90/0x90 [ 834.403135][ C0] ? clocksource_watchdog.part.0+0x450/0x540 [ 834.403137][ C0] _printk+0xc7/0x100 [ 834.403138][ C0] ? snapshot_read.cold+0x21/0x21 [ 834.403140][ C0] ? clocksource_watchdog.part.0+0x450/0x540 [ 834.403142][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 834.403144][ C0] clocksource_watchdog.part.0.cold+0x105/0x1dd [ 834.403145][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 834.403147][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 834.403149][ C0] call_timer_fn+0x160/0x4d0 [ 834.403150][ C0] ? detach_if_pending+0x1d0/0x1d0 [ 834.403152][ C0] ? debug_object_active_state+0x430/0x430 [ 834.403155][ C0] ? find_held_lock+0x2b/0x80 [ 834.403158][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 834.403159][ C0] ? rcu_is_watching+0x16/0xd0 [ 834.403161][ C0] __run_timers+0x68f/0xaa0 [ 834.403163][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 834.403165][ C0] ? __bpf_trace_itimer_expire+0x10/0x10 [ 834.403167][ C0] ? __lock_acquire+0x518/0xc20 [ 834.403169][ C0] ? __rwlock_init+0x150/0x150 [ 834.403171][ C0] run_timer_softirq+0xf0/0x160 [ 834.403173][ C0] ? __run_timers+0xaa0/0xaa0 [ 834.403175][ C0] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 834.403178][ C0] ? rcu_is_watching+0x16/0xd0 [ 834.403180][ C0] handle_softirqs+0x1d3/0x900 [ 834.403182][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 834.403183][ C0] ? _local_bh_enable+0xc0/0xc0 [ 834.403185][ C0] __irq_exit_rcu+0x145/0x1c0 [ 834.403186][ C0] irq_exit_rcu+0xe/0x30 [ 834.403187][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 834.403189][ C0] [ 834.403190][ C0] [ 834.403190][ C0] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 834.403193][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 834.403195][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 834.403197][ C0] Code: 48 8b 3d 94 a2 10 02 e8 1f 00 00 00 48 2b 05 58 f3 ab 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 d6 25 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 834.403199][ C0] RSP: 0018:ffffffffbb007cf8 EFLAGS: 00000296 [ 834.403201][ C0] RAX: 00000000022cebe9 RBX: ffffffffbb040600 RCX: ffffffffb7ef3307 [ 834.403203][ C0] RDX: ffffffffbb040600 RSI: ffffffffbae57571 RDI: ffffffffba88d8e0 [ 834.403204][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 834.403205][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff7600fa2 [ 834.403205][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 834.403207][ C0] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 834.403209][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 834.403211][ C0] default_idle+0x9/0x10 [ 834.403213][ C0] default_idle_call+0x6e/0xb0 [ 834.403214][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 834.403216][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 834.403217][ C0] ? mark_tsc_async_resets+0x30/0x30 [ 834.403221][ C0] ? rcu_is_watching+0x16/0xd0 [ 834.403223][ C0] do_idle+0xd8/0x190 [ 834.403224][ C0] cpu_startup_entry+0x53/0x70 [ 834.403225][ C0] rest_init+0x279/0x280 [ 834.403227][ C0] ? __cpuidle_text_end+0x3b/0x3b [ 834.403230][ C0] ? rest_init+0x280/0x280 [ 834.403232][ C0] ? acpi_hw_set_mode+0x4a0/0x4a0 [ 834.403235][ C0] ? cpus_read_unlock+0x4f/0xc0 [ 834.403238][ C0] ? acpi_enable+0x1e4/0x330 [ 834.403240][ C0] start_kernel+0x3af/0x3b0 [ 834.403241][ C0] x86_64_start_reservations+0x24/0x30 [ 834.403243][ C0] x86_64_start_kernel+0x12b/0x130 [ 834.403245][ C0] common_startup_64+0x13e/0x148 [ 834.403248][ C0] [ 834.403252][ C0] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 834.403253][ C0] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/0 [ 834.403255][ C0] preempt_count: 103, expected: 0 [ 834.403256][ C0] RCU nest depth: 0, expected: 0 [ 834.403256][ C0] INFO: lockdep is turned off. [ 834.403257][ C0] irq event stamp: 36498425 [ 834.403258][ C0] hardirqs last enabled at (36498424): [] __down_trylock_console_sem+0x86/0xa0 [ 834.403260][ C0] hardirqs last disabled at (36498425): [] console_emit_next_record+0x3d4/0x4c0 [ 834.403262][ C0] softirqs last enabled at (36498404): [] handle_softirqs+0x67c/0x900 [ 834.403263][ C0] softirqs last disabled at (36498411): [] __irq_exit_rcu+0x145/0x1c0 [ 834.403264][ C0] Preemption disabled at: [ 834.403265][ C0] [] schedule_preempt_disabled+0x22/0x30 [ 834.403268][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 834.403270][ C0] Tainted: [W]=WARN [ 834.403270][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 834.403271][ C0] Call Trace: [ 834.403271][ C0] [ 834.403272][ C0] dump_stack_lvl+0x6f/0xa0 [ 834.403274][ C0] ? schedule_preempt_disabled+0x22/0x30 [ 834.403275][ C0] __might_resched.cold+0x1fe/0x2c1 [ 834.403278][ C0] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 834.403281][ C0] ? rcu_is_watching+0x16/0xd0 [ 834.403283][ C0] __kmalloc_noprof+0x443/0x760 [ 834.403285][ C0] ? __rwlock_init+0x150/0x150 [ 834.403286][ C0] ? alloc_buf.isra.0+0x4b/0x260 [ 834.403289][ C0] ? do_raw_spin_unlock+0x59/0x250 [ 834.403290][ C0] alloc_buf.isra.0+0x4b/0x260 [ 834.403292][ C0] put_chars+0x1e1/0x2f0 [ 834.403295][ C0] ? __send_to_port+0x420/0x420 [ 834.403297][ C0] ? mark_lock+0x1d7/0xa00 [ 834.403299][ C0] hvc_console_print+0x292/0x780 [ 834.403302][ C0] ? hvc_write+0x3a0/0x3a0 [ 834.403304][ C0] ? rcu_is_watching+0x16/0xd0 [ 834.403305][ C0] ? rcu_is_watching+0x16/0xd0 [ 834.403308][ C0] console_emit_next_record+0x22f/0x4c0 [ 834.403310][ C0] ? devkmsg_read+0x4b0/0x4b0 [ 834.403311][ C0] ? console_flush_one_record+0x106/0x710 [ 834.403313][ C0] ? rcu_is_watching+0x16/0xd0 [ 834.403315][ C0] ? lock_acquire+0x13c/0x160 [ 834.403317][ C0] console_flush_one_record+0x46f/0x710 [ 834.403319][ C0] ? console_emit_next_record+0x4c0/0x4c0 [ 834.403320][ C0] ? __lock_acquire+0x518/0xc20 [ 834.403322][ C0] console_unlock+0xee/0x1f0 [ 834.403324][ C0] ? console_flush_one_record+0x710/0x710 [ 834.403326][ C0] ? rcu_is_watching+0x16/0xd0 [ 834.403328][ C0] ? lock_acquire+0x60/0x160 [ 834.403329][ C0] ? __down_trylock_console_sem+0x5e/0xa0 [ 834.403331][ C0] ? vprintk_emit+0x320/0x3e0 [ 834.403332][ C0] vprintk_emit+0x37c/0x3e0 [ 834.403335][ C0] ? wake_up_klogd_work_func+0x90/0x90 [ 834.403337][ C0] ? clocksource_watchdog.part.0+0x450/0x540 [ 834.403339][ C0] _printk+0xc7/0x100 [ 834.403341][ C0] ? snapshot_read.cold+0x21/0x21 [ 834.403343][ C0] ? clocksource_watchdog.part.0+0x450/0x540 [ 834.403344][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 834.403346][ C0] clocksource_watchdog.part.0.cold+0x105/0x1dd [ 834.403351][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 834.403353][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 834.403354][ C0] call_timer_fn+0x160/0x4d0 [ 834.403356][ C0] ? detach_if_pending+0x1d0/0x1d0 [ 834.403358][ C0] ? debug_object_active_state+0x430/0x430 [ 834.403359][ C0] ? find_held_lock+0x2b/0x80 [ 834.403361][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 834.403363][ C0] ? rcu_is_watching+0x16/0xd0 [ 834.403365][ C0] __run_timers+0x68f/0xaa0 [ 834.403367][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 834.403376][ C0] ? __bpf_trace_itimer_expire+0x10/0x10 [ 834.403378][ C0] ? __lock_acquire+0x518/0xc20 [ 834.403380][ C0] ? __rwlock_init+0x150/0x150 [ 834.403383][ C0] run_timer_softirq+0xf0/0x160 [ 834.403384][ C0] ? __run_timers+0xaa0/0xaa0 [ 834.403386][ C0] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 834.403388][ C0] ? rcu_is_watching+0x16/0xd0 [ 834.403389][ C0] handle_softirqs+0x1d3/0x900 [ 834.403391][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 834.403392][ C0] ? _local_bh_enable+0xc0/0xc0 [ 834.403394][ C0] __irq_exit_rcu+0x145/0x1c0 [ 834.403396][ C0] irq_exit_rcu+0xe/0x30 [ 834.403397][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 834.403399][ C0] [ 834.403399][ C0] [ 834.403400][ C0] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 834.403401][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 834.403403][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 834.403405][ C0] Code: 48 8b 3d 94 a2 10 02 e8 1f 00 00 00 48 2b 05 58 f3 ab 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 d6 25 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 834.403406][ C0] RSP: 0018:ffffffffbb007cf8 EFLAGS: 00000296 [ 834.403407][ C0] RAX: 00000000022cebe9 RBX: ffffffffbb040600 RCX: ffffffffb7ef3307 [ 834.403408][ C0] RDX: ffffffffbb040600 RSI: ffffffffbae57571 RDI: ffffffffba88d8e0 [ 834.403409][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 834.403409][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff7600fa2 [ 834.403410][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 834.403412][ C0] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 834.403414][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 834.403415][ C0] default_idle+0x9/0x10 [ 834.403417][ C0] default_idle_call+0x6e/0xb0 [ 834.403419][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 834.403420][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 834.403422][ C0] ? mark_tsc_async_resets+0x30/0x30 [ 834.403424][ C0] ? rcu_is_watching+0x16/0xd0 [ 834.403426][ C0] do_idle+0xd8/0x190 [ 834.403427][ C0] cpu_startup_entry+0x53/0x70 [ 834.403428][ C0] rest_init+0x279/0x280 [ 834.403430][ C0] ? __cpuidle_text_end+0x3b/0x3b [ 834.403434][ C0] ? rest_init+0x280/0x280 [ 834.403437][ C0] ? acpi_hw_set_mode+0x4a0/0x4a0 [ 834.403440][ C0] ? cpus_read_unlock+0x4f/0xc0 [ 834.403442][ C0] ? acpi_enable+0x1e4/0x330 [ 834.403444][ C0] start_kernel+0x3af/0x3b0 [ 834.403446][ C0] x86_64_start_reservations+0x24/0x30 [ 834.403447][ C0] x86_64_start_kernel+0x12b/0x130 [ 834.403449][ C0] common_startup_64+0x13e/0x148 [ 834.403452][ C0] [ 911.688047][T22403] ip (22403) used greatest stack depth: 23792 bytes left [ 911.688061][T22403] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 911.688063][T22403] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 22403, name: ip [ 911.688065][T22403] preempt_count: 2, expected: 0 [ 911.688066][T22403] RCU nest depth: 0, expected: 0 [ 911.688066][T22403] INFO: lockdep is turned off. [ 911.688068][T22403] irq event stamp: 0 [ 911.688068][T22403] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 911.688073][T22403] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 911.688079][T22403] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 911.688080][T22403] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 911.688082][T22403] Preemption disabled at: [ 911.688083][T22403] [<0000000000000000>] 0x0 [ 911.688087][T22403] CPU: 2 UID: 0 PID: 22403 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 911.688091][T22403] Tainted: [W]=WARN [ 911.688092][T22403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 911.688093][T22403] Call Trace: [ 911.688095][T22403] [ 911.688096][T22403] dump_stack_lvl+0x6f/0xa0 [ 911.688102][T22403] __might_resched.cold+0x1fe/0x2c1 [ 911.688106][T22403] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 911.688109][T22403] ? __asan_memcpy+0x3c/0x60 [ 911.688113][T22403] ? rcu_is_watching+0x16/0xd0 [ 911.688117][T22403] __kmalloc_noprof+0x443/0x760 [ 911.688119][T22403] ? __rwlock_init+0x150/0x150 [ 911.688122][T22403] ? alloc_buf.isra.0+0x4b/0x260 [ 911.688127][T22403] ? do_raw_spin_unlock+0x59/0x250 [ 911.688128][T22403] alloc_buf.isra.0+0x4b/0x260 [ 911.688131][T22403] put_chars+0x1e1/0x2f0 [ 911.688133][T22403] ? __send_to_port+0x420/0x420 [ 911.688135][T22403] ? console_prepend_replay+0x20/0x20 [ 911.688139][T22403] hvc_console_print+0x292/0x780 [ 911.688143][T22403] ? hvc_write+0x3a0/0x3a0 [ 911.688145][T22403] ? rcu_is_watching+0x16/0xd0 [ 911.688147][T22403] ? lock_acquire+0x13c/0x160 [ 911.688149][T22403] console_emit_next_record+0x22f/0x4c0 [ 911.688151][T22403] ? devkmsg_read+0x4b0/0x4b0 [ 911.688153][T22403] ? rcu_is_watching+0x16/0xd0 [ 911.688155][T22403] ? rcu_is_watching+0x16/0xd0 [ 911.688156][T22403] ? rcu_is_watching+0x16/0xd0 [ 911.688158][T22403] ? lock_acquire+0x13c/0x160 [ 911.688159][T22403] ? console_flush_one_record+0x111/0x710 [ 911.688161][T22403] console_flush_one_record+0x46f/0x710 [ 911.688163][T22403] ? console_emit_next_record+0x4c0/0x4c0 [ 911.688166][T22403] console_unlock+0xee/0x1f0 [ 911.688167][T22403] ? lock_acquire+0x13c/0x160 [ 911.688169][T22403] ? console_flush_one_record+0x710/0x710 [ 911.688170][T22403] ? rcu_is_watching+0x16/0xd0 [ 911.688172][T22403] ? lock_release+0x184/0x1f0 [ 911.688173][T22403] ? lock_acquire+0x60/0x160 [ 911.688174][T22403] ? __rcu_read_lock+0x30/0x70 [ 911.688176][T22403] ? __down_trylock_console_sem+0x5e/0xa0 [ 911.688178][T22403] ? vprintk_emit+0x320/0x3e0 [ 911.688180][T22403] vprintk_emit+0x37c/0x3e0 [ 911.688182][T22403] ? wake_up_klogd_work_func+0x90/0x90 [ 911.688184][T22403] ? do_raw_read_unlock+0x70/0x70 [ 911.688185][T22403] ? forget_original_parent+0x5c/0xdb0 [ 911.688188][T22403] _printk+0xc7/0x100 [ 911.688192][T22403] ? snapshot_read.cold+0x21/0x21 [ 911.688193][T22403] ? do_raw_spin_lock+0x131/0x280 [ 911.688195][T22403] ? do_raw_spin_lock+0x131/0x280 [ 911.688196][T22403] ? __rwlock_init+0x150/0x150 [ 911.688198][T22403] ? do_raw_spin_lock+0x131/0x280 [ 911.688200][T22403] do_exit.cold+0x82/0x9c [ 911.688203][T22403] ? exit_notify+0x890/0x890 [ 911.688205][T22403] ? posixtimer_sig_unignore.isra.0+0x5f0/0x5f0 [ 911.688207][T22403] ? rcu_is_watching+0x16/0xd0 [ 911.688209][T22403] do_group_exit+0xb8/0x370 [ 911.688211][T22403] __x64_sys_exit_group+0x3c/0x50 [ 911.688213][T22403] x64_sys_call+0x1567/0x1570 [ 911.688215][T22403] do_syscall_64+0xff/0x530 [ 911.688218][T22403] ? exc_page_fault+0xee/0x100 [ 911.688221][T22403] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 911.688223][T22403] RIP: 0033:0x7fcabbd281b8 [ 911.688225][T22403] Code: Unable to access opcode bytes at 0x7fcabbd2818e. [ 911.688226][T22403] RSP: 002b:00007ffea0049a58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 911.688229][T22403] RAX: ffffffffffffffda RBX: 00007fcabbe58f88 RCX: 00007fcabbd281b8 [ 911.688231][T22403] RDX: 00007fcabba72fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 911.688232][T22403] RBP: 00007ffea0049ab0 R08: 0000000000000000 R09: 0000000000000050 [ 911.688233][T22403] R10: 00007ffea0049870 R11: 0000000000000246 R12: 0000000000000001 [ 911.688233][T22403] R13: 0000000000000000 R14: 00007fcabbe57680 R15: 00007fcabbe58fa0 [ 911.688236][T22403] [ 1019.464315][T27738] pm_nl_ctl (27738) used greatest stack depth: 23192 bytes left [ 1019.464330][T27738] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 1019.464332][T27738] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 27738, name: pm_nl_ctl [ 1019.464334][T27738] preempt_count: 2, expected: 0 [ 1019.464335][T27738] RCU nest depth: 0, expected: 0 [ 1019.464336][T27738] INFO: lockdep is turned off. [ 1019.464337][T27738] irq event stamp: 0 [ 1019.464338][T27738] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 1019.464343][T27738] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 1019.464352][T27738] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 1019.464353][T27738] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 1019.464355][T27738] Preemption disabled at: [ 1019.464356][T27738] [<0000000000000000>] 0x0 [ 1019.464361][T27738] CPU: 2 UID: 0 PID: 27738 Comm: pm_nl_ctl Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 1019.464364][T27738] Tainted: [W]=WARN [ 1019.464365][T27738] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1019.464367][T27738] Call Trace: [ 1019.464369][T27738] [ 1019.464370][T27738] dump_stack_lvl+0x6f/0xa0 [ 1019.464376][T27738] __might_resched.cold+0x1fe/0x2c1 [ 1019.464380][T27738] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 1019.464383][T27738] ? __asan_memcpy+0x3c/0x60 [ 1019.464387][T27738] ? rcu_is_watching+0x16/0xd0 [ 1019.464390][T27738] __kmalloc_noprof+0x443/0x760 [ 1019.464394][T27738] ? __rwlock_init+0x150/0x150 [ 1019.464397][T27738] ? alloc_buf.isra.0+0x4b/0x260 [ 1019.464401][T27738] ? do_raw_spin_unlock+0x59/0x250 [ 1019.464403][T27738] alloc_buf.isra.0+0x4b/0x260 [ 1019.464405][T27738] put_chars+0x1e1/0x2f0 [ 1019.464408][T27738] ? __send_to_port+0x420/0x420 [ 1019.464410][T27738] ? console_prepend_replay+0x20/0x20 [ 1019.464413][T27738] hvc_console_print+0x292/0x780 [ 1019.464418][T27738] ? hvc_write+0x3a0/0x3a0 [ 1019.464420][T27738] ? rcu_is_watching+0x16/0xd0 [ 1019.464421][T27738] ? lock_acquire+0x13c/0x160 [ 1019.464423][T27738] console_emit_next_record+0x22f/0x4c0 [ 1019.464426][T27738] ? devkmsg_read+0x4b0/0x4b0 [ 1019.464428][T27738] ? rcu_is_watching+0x16/0xd0 [ 1019.464429][T27738] ? rcu_is_watching+0x16/0xd0 [ 1019.464431][T27738] ? rcu_is_watching+0x16/0xd0 [ 1019.464433][T27738] ? lock_acquire+0x13c/0x160 [ 1019.464436][T27738] ? console_flush_one_record+0x111/0x710 [ 1019.464438][T27738] console_flush_one_record+0x46f/0x710 [ 1019.464441][T27738] ? console_emit_next_record+0x4c0/0x4c0 [ 1019.464445][T27738] console_unlock+0xee/0x1f0 [ 1019.464447][T27738] ? lock_acquire+0x13c/0x160 [ 1019.464449][T27738] ? console_flush_one_record+0x710/0x710 [ 1019.464451][T27738] ? rcu_is_watching+0x16/0xd0 [ 1019.464452][T27738] ? lock_release+0x184/0x1f0 [ 1019.464454][T27738] ? lock_acquire+0x60/0x160 [ 1019.464455][T27738] ? __rcu_read_lock+0x30/0x70 [ 1019.464457][T27738] ? __down_trylock_console_sem+0x5e/0xa0 [ 1019.464458][T27738] ? vprintk_emit+0x320/0x3e0 [ 1019.464460][T27738] vprintk_emit+0x37c/0x3e0 [ 1019.464462][T27738] ? wake_up_klogd_work_func+0x90/0x90 [ 1019.464464][T27738] ? do_raw_read_unlock+0x70/0x70 [ 1019.464466][T27738] ? forget_original_parent+0x5c/0xdb0 [ 1019.464469][T27738] _printk+0xc7/0x100 [ 1019.464472][T27738] ? snapshot_read.cold+0x21/0x21 [ 1019.464474][T27738] ? do_raw_spin_lock+0x131/0x280 [ 1019.464476][T27738] ? do_raw_spin_lock+0x131/0x280 [ 1019.464477][T27738] ? __rwlock_init+0x150/0x150 [ 1019.464479][T27738] ? do_raw_spin_lock+0x131/0x280 [ 1019.464481][T27738] do_exit.cold+0x82/0x9c [ 1019.464484][T27738] ? exit_notify+0x890/0x890 [ 1019.464486][T27738] ? posixtimer_sig_unignore.isra.0+0x5f0/0x5f0 [ 1019.464489][T27738] ? rcu_is_watching+0x16/0xd0 [ 1019.464491][T27738] do_group_exit+0xb8/0x370 [ 1019.464493][T27738] __x64_sys_exit_group+0x3c/0x50 [ 1019.464495][T27738] x64_sys_call+0x1567/0x1570 [ 1019.464496][T27738] do_syscall_64+0xff/0x530 [ 1019.464500][T27738] ? exc_page_fault+0xee/0x100 [ 1019.464502][T27738] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 1019.464504][T27738] RIP: 0033:0x7f2a807101b8 [ 1019.464506][T27738] Code: Unable to access opcode bytes at 0x7f2a8071018e. [ 1019.464508][T27738] RSP: 002b:00007ffea522d348 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 1019.464511][T27738] RAX: ffffffffffffffda RBX: 00007f2a80840f88 RCX: 00007f2a807101b8 [ 1019.464513][T27738] RDX: 00007f2a8064da48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 1019.464514][T27738] RBP: 00007ffea522d3a0 R08: 0000000000000000 R09: 0000000000000000 [ 1019.464514][T27738] R10: 00007ffea522d1e0 R11: 0000000000000246 R12: 0000000000000001 [ 1019.464515][T27738] R13: 0000000000000000 R14: 00007f2a8083f680 R15: 00007f2a80840fa0 [ 1019.464518][T27738]