[ 13.480851][ T167] packetdrill (167) used greatest stack depth: 24416 bytes left [ 13.480873][ T167] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 13.480875][ T167] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 167, name: packetdrill [ 13.480878][ T167] preempt_count: 2, expected: 0 [ 13.480879][ T167] RCU nest depth: 0, expected: 0 [ 13.480881][ T167] locks held by packetdrill/167: 5, last CPU#2: [ 13.480883][ T167] #0: ffffffff9f8027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 13.480899][ T167] #1: ffffffff9f969cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 13.480905][ T167] #2: ffffffff9f969d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 13.480910][ T167] #3: ffffffff9f889660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 13.480915][ T167] #4: ffffffff9f889560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 13.480920][ T167] irq event stamp: 4077294 [ 13.480921][ T167] hardirqs last enabled at (4077293): [] __down_trylock_console_sem+0x86/0xa0 [ 13.480926][ T167] hardirqs last disabled at (4077294): [] console_emit_next_record+0x3d4/0x4c0 [ 13.480928][ T167] softirqs last enabled at (4073032): [] handle_softirqs+0x67c/0x900 [ 13.480931][ T167] softirqs last disabled at (4072621): [] __irq_exit_rcu+0x145/0x1c0 [ 13.480934][ T167] Preemption disabled at: [ 13.480935][ T167] [<0000000000000000>] 0x0 [ 13.480944][ T167] CPU: 2 UID: 0 PID: 167 Comm: packetdrill Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 13.480948][ T167] Tainted: [W]=WARN [ 13.480950][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.480952][ T167] Call Trace: [ 13.480954][ T167] [ 13.480956][ T167] dump_stack_lvl+0x6f/0xa0 [ 13.480964][ T167] __might_resched.cold+0x1fe/0x2c1 [ 13.480970][ T167] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 13.480974][ T167] ? __kmalloc_noprof+0xdb/0x760 [ 13.480982][ T167] __kmalloc_noprof+0x443/0x760 [ 13.480986][ T167] ? alloc_buf.isra.0+0x4b/0x260 [ 13.480995][ T167] ? do_raw_spin_unlock+0x59/0x250 [ 13.480998][ T167] alloc_buf.isra.0+0x4b/0x260 [ 13.481003][ T167] put_chars+0x1e1/0x2f0 [ 13.481008][ T167] ? __send_to_port+0x420/0x420 [ 13.481010][ T167] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 13.481016][ T167] ? validate_chain+0x38b/0xc20 [ 13.481025][ T167] hvc_console_print+0x292/0x780 [ 13.481034][ T167] ? hvc_write+0x3a0/0x3a0 [ 13.481038][ T167] ? rcu_is_watching+0x16/0xd0 [ 13.481041][ T167] ? lock_acquire+0x13c/0x160 [ 13.481048][ T167] console_emit_next_record+0x22f/0x4c0 [ 13.481053][ T167] ? devkmsg_read+0x4b0/0x4b0 [ 13.481055][ T167] ? console_flush_one_record+0x106/0x710 [ 13.481060][ T167] ? rcu_is_watching+0x16/0xd0 [ 13.481063][ T167] ? lock_acquire+0x13c/0x160 [ 13.481070][ T167] console_flush_one_record+0x46f/0x710 [ 13.481076][ T167] ? console_emit_next_record+0x4c0/0x4c0 [ 13.481078][ T167] ? __lock_acquire+0x518/0xc20 [ 13.481087][ T167] console_unlock+0xee/0x1f0 [ 13.481091][ T167] ? console_flush_one_record+0x710/0x710 [ 13.481093][ T167] ? rcu_is_watching+0x16/0xd0 [ 13.481096][ T167] ? lock_acquire+0x60/0x160 [ 13.481102][ T167] ? __down_trylock_console_sem+0x5e/0xa0 [ 13.481105][ T167] ? vprintk_emit+0x320/0x3e0 [ 13.481110][ T167] vprintk_emit+0x37c/0x3e0 [ 13.481115][ T167] ? wake_up_klogd_work_func+0x90/0x90 [ 13.481120][ T167] ? __lock_acquire+0x518/0xc20 [ 13.481126][ T167] _printk+0xc7/0x100 [ 13.481132][ T167] ? snapshot_read.cold+0x21/0x21 [ 13.481136][ T167] ? do_raw_spin_lock+0x131/0x280 [ 13.481140][ T167] ? __rwlock_init+0x150/0x150 [ 13.481146][ T167] ? do_raw_spin_lock+0x131/0x280 [ 13.481151][ T167] do_exit.cold+0x82/0x9c [ 13.481156][ T167] ? exit_notify+0x890/0x890 [ 13.481158][ T167] ? __lock_release.isra.0+0x69/0x1a0 [ 13.481162][ T167] ? rcu_is_watching+0x16/0xd0 [ 13.481169][ T167] do_group_exit+0xb8/0x370 [ 13.481174][ T167] __x64_sys_exit_group+0x3c/0x50 [ 13.481177][ T167] x64_sys_call+0x1567/0x1570 [ 13.481180][ T167] do_syscall_64+0xff/0x530 [ 13.481185][ T167] ? irq_exit_rcu+0x1a/0x30 [ 13.481189][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.481192][ T167] RIP: 0033:0x479678 [ 13.481195][ T167] Code: Unable to access opcode bytes at 0x47964e. [ 13.481197][ T167] RSP: 002b:00007ffc59b20388 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.481200][ T167] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 13.481202][ T167] RDX: 000000002909f708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 13.481203][ T167] RBP: 00007ffc59b203e0 R08: 0000000000000000 R09: 00000000290a03e0 [ 13.481205][ T167] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffc59b20518 [ 13.481206][ T167] R13: 00007ffc59b205a0 R14: 0000000000000000 R15: 000000000054d560 [ 13.481218][ T167] [ 13.910810][ C0] clocksource: Watchdog remote CPU 2 read timed out [ 13.910954][ C0] [ 13.910956][ C0] ======================================================== [ 13.910957][ C0] WARNING: possible irq lock inversion dependency detected [ 13.910959][ C0] 7.2.0-virtme #1 Tainted: G W [ 13.910961][ C0] -------------------------------------------------------- [ 13.910962][ C0] swapper/0/0 just changed the state of lock: [ 13.910963][ C0] ffffffff9f889660 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 13.910975][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 13.910976][ C0] (fs_reclaim){+.+.}-{0:0} [ 13.910977][ C0] [ 13.910977][ C0] [ 13.910977][ C0] and interrupts could create inverse lock ordering between them. [ 13.910977][ C0] [ 13.910978][ C0] [ 13.910978][ C0] other info that might help us debug this: [ 13.910979][ C0] Possible interrupt unsafe locking scenario: [ 13.910979][ C0] [ 13.910979][ C0] CPU0 CPU1 [ 13.910980][ C0] ---- ---- [ 13.910980][ C0] lock(fs_reclaim); [ 13.910981][ C0] local_irq_disable(); [ 13.910981][ C0] lock(console_owner); [ 13.910982][ C0] lock(fs_reclaim); [ 13.910983][ C0] [ 13.910984][ C0] lock(console_owner); [ 13.910984][ C0] [ 13.910984][ C0] *** DEADLOCK *** [ 13.910984][ C0] [ 13.910985][ C0] locks held by swapper/0/0: 4, last CPU#0: [ 13.910986][ C0] #0: ffa0000000007c90 ((&watchdog_timer)){+.-.}-{0:0}, at: call_timer_fn+0x110/0x4d0 [ 13.910991][ C0] #1: ffffffff9f9ce8b8 (watchdog_lock){+.-.}-{3:3}, at: clocksource_watchdog+0x15/0x30 [ 13.910995][ C0] #2: ffffffff9f969cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 13.910999][ C0] #3: ffffffff9f969d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 13.911001][ C0] [ 13.911001][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 13.911006][ C0] -> (fs_reclaim){+.+.}-{0:0} { [ 13.911008][ C0] HARDIRQ-ON-W at: [ 13.911009][ C0] __lock_acquire+0x388/0xc20 [ 13.911013][ C0] lock_acquire.part.0+0xd4/0x280 [ 13.911015][ C0] fs_reclaim_acquire+0xd5/0x120 [ 13.911017][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 13.911020][ C0] kthread_create_worker_on_node+0xea/0x210 [ 13.911023][ C0] workqueue_init+0x2a/0x680 [ 13.911027][ C0] kernel_init_freeable+0x2fe/0x630 [ 13.911030][ C0] kernel_init+0x21/0x150 [ 13.911033][ C0] ret_from_fork+0x474/0x6b0 [ 13.911036][ C0] ret_from_fork_asm+0x11/0x20 [ 13.911039][ C0] SOFTIRQ-ON-W at: [ 13.911040][ C0] __lock_acquire+0x388/0xc20 [ 13.911042][ C0] lock_acquire.part.0+0xd4/0x280 [ 13.911043][ C0] fs_reclaim_acquire+0xd5/0x120 [ 13.911045][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 13.911046][ C0] kthread_create_worker_on_node+0xea/0x210 [ 13.911048][ C0] workqueue_init+0x2a/0x680 [ 13.911050][ C0] kernel_init_freeable+0x2fe/0x630 [ 13.911051][ C0] kernel_init+0x21/0x150 [ 13.911052][ C0] ret_from_fork+0x474/0x6b0 [ 13.911054][ C0] ret_from_fork_asm+0x11/0x20 [ 13.911055][ C0] INITIAL USE at: [ 13.911056][ C0] __lock_acquire+0x388/0xc20 [ 13.911058][ C0] lock_acquire.part.0+0xd4/0x280 [ 13.911059][ C0] fs_reclaim_acquire+0xd5/0x120 [ 13.911061][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 13.911062][ C0] kthread_create_worker_on_node+0xea/0x210 [ 13.911064][ C0] workqueue_init+0x2a/0x680 [ 13.911065][ C0] kernel_init_freeable+0x2fe/0x630 [ 13.911067][ C0] kernel_init+0x21/0x150 [ 13.911068][ C0] ret_from_fork+0x474/0x6b0 [ 13.911070][ C0] ret_from_fork_asm+0x11/0x20 [ 13.911071][ C0] } [ 13.911071][ C0] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 13.911076][ C0] ... acquired at: [ 13.911077][ C0] __lock_acquire+0x518/0xc20 [ 13.911079][ C0] lock_acquire.part.0+0xd4/0x280 [ 13.911080][ C0] fs_reclaim_acquire+0xd5/0x120 [ 13.911081][ C0] __kmalloc_noprof+0xd3/0x760 [ 13.911083][ C0] alloc_buf.isra.0+0x4b/0x260 [ 13.911086][ C0] put_chars+0x1e1/0x2f0 [ 13.911088][ C0] hvc_console_print+0x292/0x780 [ 13.911090][ C0] console_emit_next_record+0x22f/0x4c0 [ 13.911091][ C0] console_flush_one_record+0x46f/0x710 [ 13.911092][ C0] console_unlock+0xee/0x1f0 [ 13.911093][ C0] vprintk_emit+0x37c/0x3e0 [ 13.911094][ C0] dev_vprintk_emit+0x27f/0x2c0 [ 13.911098][ C0] dev_printk_emit+0xb9/0xee [ 13.911099][ C0] _dev_info+0xe2/0x116 [ 13.911100][ C0] __devm_rtc_register_device.cold+0xc3/0x3a8 [ 13.911103][ C0] cmos_do_probe+0x73b/0x98a [ 13.911104][ C0] platform_probe+0xfe/0x1f0 [ 13.911107][ C0] call_driver_probe+0x61/0x1c0 [ 13.911109][ C0] really_probe+0x199/0x760 [ 13.911111][ C0] __driver_probe_device+0x24f/0x440 [ 13.911112][ C0] driver_probe_device+0x4a/0xf0 [ 13.911114][ C0] __driver_attach+0x1b8/0x540 [ 13.911116][ C0] bus_for_each_dev+0x130/0x1e0 [ 13.911118][ C0] bus_add_driver+0x2c8/0x530 [ 13.911119][ C0] driver_register+0x1a3/0x390 [ 13.911121][ C0] __platform_driver_probe+0x13f/0x270 [ 13.911122][ C0] cmos_init+0x31/0x40 [ 13.911124][ C0] do_one_initcall+0x124/0x4f0 [ 13.911126][ C0] kernel_init_freeable+0x596/0x630 [ 13.911127][ C0] kernel_init+0x21/0x150 [ 13.911129][ C0] ret_from_fork+0x474/0x6b0 [ 13.911130][ C0] ret_from_fork_asm+0x11/0x20 [ 13.911131][ C0] [ 13.911132][ C0] -> (console_owner){..-.}-{0:0} { [ 13.911134][ C0] IN-SOFTIRQ-W at: [ 13.911134][ C0] __lock_acquire+0x388/0xc20 [ 13.911136][ C0] lock_acquire.part.0+0xd4/0x280 [ 13.911137][ C0] console_lock_spinning_enable+0x5c/0x60 [ 13.911139][ C0] console_emit_next_record+0x1d1/0x4c0 [ 13.911140][ C0] console_flush_one_record+0x46f/0x710 [ 13.911141][ C0] console_unlock+0xee/0x1f0 [ 13.911142][ C0] vprintk_emit+0x37c/0x3e0 [ 13.911143][ C0] _printk+0xc7/0x100 [ 13.911146][ C0] clocksource_watchdog.part.0.cold+0x105/0x1dd [ 13.911148][ C0] call_timer_fn+0x160/0x4d0 [ 13.911149][ C0] __run_timers+0x68f/0xaa0 [ 13.911150][ C0] run_timer_softirq+0xf0/0x160 [ 13.911151][ C0] handle_softirqs+0x1d3/0x900 [ 13.911154][ C0] __irq_exit_rcu+0x145/0x1c0 [ 13.911156][ C0] irq_exit_rcu+0xe/0x30 [ 13.911157][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 13.911159][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.911161][ C0] pv_native_safe_halt+0xf/0x10 [ 13.911163][ C0] default_idle+0x9/0x10 [ 13.911164][ C0] default_idle_call+0x6e/0xb0 [ 13.911166][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 13.911168][ C0] do_idle+0xd8/0x190 [ 13.911169][ C0] cpu_startup_entry+0x53/0x70 [ 13.911171][ C0] rest_init+0x279/0x280 [ 13.911172][ C0] start_kernel+0x3af/0x3b0 [ 13.911174][ C0] x86_64_start_reservations+0x24/0x30 [ 13.911175][ C0] x86_64_start_kernel+0x12b/0x130 [ 13.911176][ C0] common_startup_64+0x13e/0x148 [ 13.911179][ C0] INITIAL USE at: [ 13.911180][ C0] } [ 13.911180][ C0] ... key at: [] console_owner_dep_map+0x0/0x60 [ 13.911183][ C0] ... acquired at: [ 13.911184][ C0] mark_lock+0x1d7/0xa00 [ 13.911186][ C0] mark_usage+0x42/0x170 [ 13.911187][ C0] __lock_acquire+0x388/0xc20 [ 13.911189][ C0] lock_acquire.part.0+0xd4/0x280 [ 13.911190][ C0] console_lock_spinning_enable+0x5c/0x60 [ 13.911191][ C0] console_emit_next_record+0x1d1/0x4c0 [ 13.911192][ C0] console_flush_one_record+0x46f/0x710 [ 13.911193][ C0] console_unlock+0xee/0x1f0 [ 13.911194][ C0] vprintk_emit+0x37c/0x3e0 [ 13.911195][ C0] _printk+0xc7/0x100 [ 13.911196][ C0] clocksource_watchdog.part.0.cold+0x105/0x1dd [ 13.911198][ C0] call_timer_fn+0x160/0x4d0 [ 13.911199][ C0] __run_timers+0x68f/0xaa0 [ 13.911200][ C0] run_timer_softirq+0xf0/0x160 [ 13.911201][ C0] handle_softirqs+0x1d3/0x900 [ 13.911202][ C0] __irq_exit_rcu+0x145/0x1c0 [ 13.911203][ C0] irq_exit_rcu+0xe/0x30 [ 13.911205][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 13.911206][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.911207][ C0] pv_native_safe_halt+0xf/0x10 [ 13.911208][ C0] default_idle+0x9/0x10 [ 13.911209][ C0] default_idle_call+0x6e/0xb0 [ 13.911210][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 13.911212][ C0] do_idle+0xd8/0x190 [ 13.911213][ C0] cpu_startup_entry+0x53/0x70 [ 13.911215][ C0] rest_init+0x279/0x280 [ 13.911216][ C0] start_kernel+0x3af/0x3b0 [ 13.911217][ C0] x86_64_start_reservations+0x24/0x30 [ 13.911218][ C0] x86_64_start_kernel+0x12b/0x130 [ 13.911219][ C0] common_startup_64+0x13e/0x148 [ 13.911221][ C0] [ 13.911221][ C0] [ 13.911221][ C0] stack backtrace: [ 13.911224][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 13.911227][ C0] Tainted: [W]=WARN [ 13.911228][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.911229][ C0] Call Trace: [ 13.911230][ C0] [ 13.911232][ C0] dump_stack_lvl+0x6f/0xa0 [ 13.911235][ C0] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 13.911238][ C0] mark_lock_irq+0x989/0x9c0 [ 13.911239][ C0] ? add_lock_to_list+0x2c/0x1a0 [ 13.911243][ C0] mark_lock+0x1d7/0xa00 [ 13.911245][ C0] mark_usage+0x42/0x170 [ 13.911247][ C0] __lock_acquire+0x388/0xc20 [ 13.911249][ C0] lock_acquire.part.0+0xd4/0x280 [ 13.911251][ C0] ? console_lock_spinning_enable+0x40/0x60 [ 13.911253][ C0] ? rcu_is_watching+0x16/0xd0 [ 13.911255][ C0] ? lock_acquire+0x13c/0x160 [ 13.911257][ C0] console_lock_spinning_enable+0x5c/0x60 [ 13.911258][ C0] ? console_lock_spinning_enable+0x40/0x60 [ 13.911260][ C0] console_emit_next_record+0x1d1/0x4c0 [ 13.911261][ C0] ? devkmsg_read+0x4b0/0x4b0 [ 13.911262][ C0] ? console_flush_one_record+0x106/0x710 [ 13.911264][ C0] ? rcu_is_watching+0x16/0xd0 [ 13.911265][ C0] ? lock_acquire+0x13c/0x160 [ 13.911267][ C0] console_flush_one_record+0x46f/0x710 [ 13.911269][ C0] ? console_emit_next_record+0x4c0/0x4c0 [ 13.911270][ C0] ? __lock_acquire+0x518/0xc20 [ 13.911273][ C0] console_unlock+0xee/0x1f0 [ 13.911274][ C0] ? console_flush_one_record+0x710/0x710 [ 13.911275][ C0] ? rcu_is_watching+0x16/0xd0 [ 13.911277][ C0] ? lock_acquire+0x60/0x160 [ 13.911279][ C0] ? __down_trylock_console_sem+0x5e/0xa0 [ 13.911281][ C0] ? vprintk_emit+0x320/0x3e0 [ 13.911283][ C0] vprintk_emit+0x37c/0x3e0 [ 13.911284][ C0] ? wake_up_klogd_work_func+0x90/0x90 [ 13.911286][ C0] ? clocksource_watchdog.part.0+0x450/0x540 [ 13.911288][ C0] _printk+0xc7/0x100 [ 13.911290][ C0] ? snapshot_read.cold+0x21/0x21 [ 13.911292][ C0] ? clocksource_watchdog.part.0+0x450/0x540 [ 13.911294][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 13.911296][ C0] clocksource_watchdog.part.0.cold+0x105/0x1dd [ 13.911298][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 13.911300][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 13.911301][ C0] call_timer_fn+0x160/0x4d0 [ 13.911303][ C0] ? detach_if_pending+0x1d0/0x1d0 [ 13.911304][ C0] ? debug_object_active_state+0x430/0x430 [ 13.911307][ C0] ? find_held_lock+0x2b/0x80 [ 13.911309][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 13.911311][ C0] ? rcu_is_watching+0x16/0xd0 [ 13.911312][ C0] __run_timers+0x68f/0xaa0 [ 13.911314][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 13.911316][ C0] ? __bpf_trace_itimer_expire+0x10/0x10 [ 13.911317][ C0] ? __lock_acquire+0x518/0xc20 [ 13.911320][ C0] ? __rwlock_init+0x150/0x150 [ 13.911323][ C0] run_timer_softirq+0xf0/0x160 [ 13.911324][ C0] ? __run_timers+0xaa0/0xaa0 [ 13.911326][ C0] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 13.911328][ C0] ? rcu_is_watching+0x16/0xd0 [ 13.911330][ C0] handle_softirqs+0x1d3/0x900 [ 13.911332][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 13.911334][ C0] ? _local_bh_enable+0xc0/0xc0 [ 13.911336][ C0] __irq_exit_rcu+0x145/0x1c0 [ 13.911338][ C0] irq_exit_rcu+0xe/0x30 [ 13.911339][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 13.911341][ C0] [ 13.911341][ C0] [ 13.911342][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 13.911344][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.911346][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 13.911348][ C0] Code: 48 8b 3d 94 e2 f8 01 e8 1f 00 00 00 48 2b 05 58 e3 99 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 d6 16 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 13.911350][ C0] RSP: 0018:ffffffff9f607cf8 EFLAGS: 00000296 [ 13.911352][ C0] RAX: 000000000006afe3 RBX: ffffffff9f61c600 RCX: ffffffff9c6ed307 [ 13.911353][ C0] RDX: ffffffff9f61c600 RSI: ffffffff9f429f9e RDI: ffffffff9ee8d8e0 [ 13.911354][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 13.911355][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff3ec0fa2 [ 13.911356][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 13.911357][ C0] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 13.911360][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 13.911361][ C0] default_idle+0x9/0x10 [ 13.911363][ C0] default_idle_call+0x6e/0xb0 [ 13.911364][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 13.911366][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 13.911368][ C0] ? mark_tsc_async_resets+0x30/0x30 [ 13.911371][ C0] ? rcu_is_watching+0x16/0xd0 [ 13.911373][ C0] do_idle+0xd8/0x190 [ 13.911380][ C0] cpu_startup_entry+0x53/0x70 [ 13.911382][ C0] rest_init+0x279/0x280 [ 13.911383][ C0] ? __cpuidle_text_end+0x3b/0x3b [ 13.911386][ C0] ? rest_init+0x280/0x280 [ 13.911388][ C0] ? acpi_hw_set_mode+0x4a0/0x4a0 [ 13.911391][ C0] ? cpus_read_unlock+0x4f/0xc0 [ 13.911392][ C0] ? acpi_enable+0x1e4/0x330 [ 13.911395][ C0] start_kernel+0x3af/0x3b0 [ 13.911397][ C0] x86_64_start_reservations+0x24/0x30 [ 13.911398][ C0] x86_64_start_kernel+0x12b/0x130 [ 13.911400][ C0] common_startup_64+0x13e/0x148 [ 13.911403][ C0]