[ 44.412728][ C0] clocksource: Watchdog remote CPU 3 read timed out [ 44.412963][ C0] [ 44.412966][ C0] ======================================================== [ 44.412967][ C0] WARNING: possible irq lock inversion dependency detected [ 44.412969][ C0] 7.2.0-virtme #1 Tainted: G W [ 44.412971][ C0] -------------------------------------------------------- [ 44.412972][ C0] swapper/0/0 just changed the state of lock: [ 44.412973][ C0] ffffffffa52ad660 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 44.412985][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 44.412987][ C0] (fs_reclaim){+.+.}-{0:0} [ 44.412988][ C0] [ 44.412988][ C0] [ 44.412988][ C0] and interrupts could create inverse lock ordering between them. [ 44.412988][ C0] [ 44.412989][ C0] [ 44.412989][ C0] other info that might help us debug this: [ 44.412990][ C0] Possible interrupt unsafe locking scenario: [ 44.412990][ C0] [ 44.412990][ C0] CPU0 CPU1 [ 44.412991][ C0] ---- ---- [ 44.412992][ C0] lock(fs_reclaim); [ 44.412993][ C0] local_irq_disable(); [ 44.412993][ C0] lock(console_owner); [ 44.412994][ C0] lock(fs_reclaim); [ 44.412995][ C0] [ 44.412995][ C0] lock(console_owner); [ 44.412996][ C0] [ 44.412996][ C0] *** DEADLOCK *** [ 44.412996][ C0] [ 44.412997][ C0] locks held by swapper/0/0: 4, last CPU#0: [ 44.412998][ C0] #0: ffa0000000007c90 ((&watchdog_timer)){+.-.}-{0:0}, at: call_timer_fn+0x110/0x4d0 [ 44.413003][ C0] #1: ffffffffa53f28b8 (watchdog_lock){+.-.}-{3:3}, at: clocksource_watchdog+0x15/0x30 [ 44.413008][ C0] #2: ffffffffa538dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 44.413011][ C0] #3: ffffffffa538dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 44.413014][ C0] [ 44.413014][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 44.413018][ C0] -> (fs_reclaim){+.+.}-{0:0} { [ 44.413021][ C0] HARDIRQ-ON-W at: [ 44.413022][ C0] __lock_acquire+0x388/0xc20 [ 44.413025][ C0] lock_acquire.part.0+0xd4/0x280 [ 44.413026][ C0] fs_reclaim_acquire+0xd5/0x120 [ 44.413030][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 44.413032][ C0] kthread_create_worker_on_node+0xea/0x210 [ 44.413035][ C0] workqueue_init+0x2a/0x680 [ 44.413038][ C0] kernel_init_freeable+0x2fe/0x630 [ 44.413040][ C0] kernel_init+0x21/0x150 [ 44.413045][ C0] ret_from_fork+0x474/0x6b0 [ 44.413048][ C0] ret_from_fork_asm+0x11/0x20 [ 44.413051][ C0] SOFTIRQ-ON-W at: [ 44.413052][ C0] __lock_acquire+0x388/0xc20 [ 44.413053][ C0] lock_acquire.part.0+0xd4/0x280 [ 44.413054][ C0] fs_reclaim_acquire+0xd5/0x120 [ 44.413056][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 44.413057][ C0] kthread_create_worker_on_node+0xea/0x210 [ 44.413058][ C0] workqueue_init+0x2a/0x680 [ 44.413059][ C0] kernel_init_freeable+0x2fe/0x630 [ 44.413060][ C0] kernel_init+0x21/0x150 [ 44.413062][ C0] ret_from_fork+0x474/0x6b0 [ 44.413064][ C0] ret_from_fork_asm+0x11/0x20 [ 44.413065][ C0] INITIAL USE at: [ 44.413065][ C0] __lock_acquire+0x388/0xc20 [ 44.413067][ C0] lock_acquire.part.0+0xd4/0x280 [ 44.413068][ C0] fs_reclaim_acquire+0xd5/0x120 [ 44.413069][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 44.413071][ C0] kthread_create_worker_on_node+0xea/0x210 [ 44.413072][ C0] workqueue_init+0x2a/0x680 [ 44.413073][ C0] kernel_init_freeable+0x2fe/0x630 [ 44.413074][ C0] kernel_init+0x21/0x150 [ 44.413076][ C0] ret_from_fork+0x474/0x6b0 [ 44.413077][ C0] ret_from_fork_asm+0x11/0x20 [ 44.413079][ C0] } [ 44.413079][ C0] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 44.413083][ C0] ... acquired at: [ 44.413083][ C0] __lock_acquire+0x518/0xc20 [ 44.413085][ C0] lock_acquire.part.0+0xd4/0x280 [ 44.413086][ C0] fs_reclaim_acquire+0xd5/0x120 [ 44.413087][ C0] __kmalloc_noprof+0xd3/0x760 [ 44.413089][ C0] alloc_buf.isra.0+0x4b/0x260 [ 44.413092][ C0] put_chars+0x1e1/0x2f0 [ 44.413094][ C0] hvc_console_print+0x292/0x780 [ 44.413097][ C0] console_emit_next_record+0x22f/0x4c0 [ 44.413098][ C0] console_flush_one_record+0x46f/0x710 [ 44.413100][ C0] console_unlock+0xee/0x1f0 [ 44.413101][ C0] vprintk_emit+0x37c/0x3e0 [ 44.413102][ C0] _printk+0xc7/0x100 [ 44.413105][ C0] dm_interface_init+0x50/0x60 [ 44.413107][ C0] dm_init+0x51/0xd0 [ 44.413108][ C0] do_one_initcall+0x124/0x4f0 [ 44.413110][ C0] kernel_init_freeable+0x596/0x630 [ 44.413110][ C0] kernel_init+0x21/0x150 [ 44.413112][ C0] ret_from_fork+0x474/0x6b0 [ 44.413114][ C0] ret_from_fork_asm+0x11/0x20 [ 44.413115][ C0] [ 44.413115][ C0] -> (console_owner){..-.}-{0:0} { [ 44.413117][ C0] IN-SOFTIRQ-W at: [ 44.413118][ C0] __lock_acquire+0x388/0xc20 [ 44.413119][ C0] lock_acquire.part.0+0xd4/0x280 [ 44.413120][ C0] console_lock_spinning_enable+0x5c/0x60 [ 44.413121][ C0] console_emit_next_record+0x1d1/0x4c0 [ 44.413123][ C0] console_flush_one_record+0x46f/0x710 [ 44.413124][ C0] console_unlock+0xee/0x1f0 [ 44.413126][ C0] vprintk_emit+0x37c/0x3e0 [ 44.413127][ C0] _printk+0xc7/0x100 [ 44.413128][ C0] clocksource_watchdog.part.0.cold+0x105/0x1dd [ 44.413131][ C0] call_timer_fn+0x160/0x4d0 [ 44.413132][ C0] __run_timers+0x68f/0xaa0 [ 44.413133][ C0] run_timer_softirq+0xf0/0x160 [ 44.413135][ C0] handle_softirqs+0x1d3/0x900 [ 44.413137][ C0] __irq_exit_rcu+0x145/0x1c0 [ 44.413138][ C0] irq_exit_rcu+0xe/0x30 [ 44.413139][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 44.413141][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 44.413143][ C0] do_idle+0xb5/0x190 [ 44.413144][ C0] cpu_startup_entry+0x53/0x70 [ 44.413145][ C0] rest_init+0x279/0x280 [ 44.413147][ C0] start_kernel+0x3af/0x3b0 [ 44.413148][ C0] x86_64_start_reservations+0x24/0x30 [ 44.413150][ C0] x86_64_start_kernel+0x12b/0x130 [ 44.413152][ C0] common_startup_64+0x13e/0x148 [ 44.413154][ C0] INITIAL USE at: [ 44.413155][ C0] } [ 44.413155][ C0] ... key at: [] console_owner_dep_map+0x0/0x60 [ 44.413158][ C0] ... acquired at: [ 44.413158][ C0] mark_lock+0x1d7/0xa00 [ 44.413160][ C0] mark_usage+0x42/0x170 [ 44.413161][ C0] __lock_acquire+0x388/0xc20 [ 44.413162][ C0] lock_acquire.part.0+0xd4/0x280 [ 44.413163][ C0] console_lock_spinning_enable+0x5c/0x60 [ 44.413164][ C0] console_emit_next_record+0x1d1/0x4c0 [ 44.413166][ C0] console_flush_one_record+0x46f/0x710 [ 44.413167][ C0] console_unlock+0xee/0x1f0 [ 44.413169][ C0] vprintk_emit+0x37c/0x3e0 [ 44.413170][ C0] _printk+0xc7/0x100 [ 44.413171][ C0] clocksource_watchdog.part.0.cold+0x105/0x1dd [ 44.413173][ C0] call_timer_fn+0x160/0x4d0 [ 44.413174][ C0] __run_timers+0x68f/0xaa0 [ 44.413175][ C0] run_timer_softirq+0xf0/0x160 [ 44.413176][ C0] handle_softirqs+0x1d3/0x900 [ 44.413177][ C0] __irq_exit_rcu+0x145/0x1c0 [ 44.413178][ C0] irq_exit_rcu+0xe/0x30 [ 44.413179][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 44.413181][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 44.413182][ C0] do_idle+0xb5/0x190 [ 44.413183][ C0] cpu_startup_entry+0x53/0x70 [ 44.413184][ C0] rest_init+0x279/0x280 [ 44.413185][ C0] start_kernel+0x3af/0x3b0 [ 44.413186][ C0] x86_64_start_reservations+0x24/0x30 [ 44.413188][ C0] x86_64_start_kernel+0x12b/0x130 [ 44.413189][ C0] common_startup_64+0x13e/0x148 [ 44.413190][ C0] [ 44.413190][ C0] [ 44.413190][ C0] stack backtrace: [ 44.413193][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 44.413196][ C0] Tainted: [W]=WARN [ 44.413197][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.413199][ C0] Call Trace: [ 44.413200][ C0] [ 44.413201][ C0] dump_stack_lvl+0x6f/0xa0 [ 44.413204][ C0] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 44.413206][ C0] mark_lock_irq+0x989/0x9c0 [ 44.413208][ C0] ? add_lock_to_list+0x2c/0x1a0 [ 44.413210][ C0] mark_lock+0x1d7/0xa00 [ 44.413212][ C0] mark_usage+0x42/0x170 [ 44.413214][ C0] __lock_acquire+0x388/0xc20 [ 44.413216][ C0] lock_acquire.part.0+0xd4/0x280 [ 44.413217][ C0] ? console_lock_spinning_enable+0x40/0x60 [ 44.413219][ C0] ? rcu_is_watching+0x16/0xd0 [ 44.413222][ C0] ? lock_acquire+0x13c/0x160 [ 44.413223][ C0] console_lock_spinning_enable+0x5c/0x60 [ 44.413225][ C0] ? console_lock_spinning_enable+0x40/0x60 [ 44.413226][ C0] console_emit_next_record+0x1d1/0x4c0 [ 44.413228][ C0] ? devkmsg_read+0x4b0/0x4b0 [ 44.413230][ C0] ? console_flush_one_record+0x106/0x710 [ 44.413231][ C0] ? rcu_is_watching+0x16/0xd0 [ 44.413233][ C0] ? lock_acquire+0x13c/0x160 [ 44.413235][ C0] console_flush_one_record+0x46f/0x710 [ 44.413237][ C0] ? console_emit_next_record+0x4c0/0x4c0 [ 44.413238][ C0] ? __lock_acquire+0x518/0xc20 [ 44.413240][ C0] console_unlock+0xee/0x1f0 [ 44.413242][ C0] ? console_flush_one_record+0x710/0x710 [ 44.413244][ C0] ? rcu_is_watching+0x16/0xd0 [ 44.413245][ C0] ? lock_acquire+0x60/0x160 [ 44.413247][ C0] ? __down_trylock_console_sem+0x5e/0xa0 [ 44.413248][ C0] ? vprintk_emit+0x320/0x3e0 [ 44.413250][ C0] vprintk_emit+0x37c/0x3e0 [ 44.413252][ C0] ? wake_up_klogd_work_func+0x90/0x90 [ 44.413254][ C0] ? clocksource_watchdog.part.0+0x450/0x540 [ 44.413256][ C0] _printk+0xc7/0x100 [ 44.413258][ C0] ? snapshot_read.cold+0x21/0x21 [ 44.413259][ C0] ? clocksource_watchdog.part.0+0x450/0x540 [ 44.413261][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 44.413263][ C0] clocksource_watchdog.part.0.cold+0x105/0x1dd [ 44.413264][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 44.413266][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 44.413267][ C0] call_timer_fn+0x160/0x4d0 [ 44.413269][ C0] ? detach_if_pending+0x1d0/0x1d0 [ 44.413270][ C0] ? debug_object_active_state+0x430/0x430 [ 44.413273][ C0] ? find_held_lock+0x2b/0x80 [ 44.413276][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 44.413277][ C0] ? rcu_is_watching+0x16/0xd0 [ 44.413279][ C0] __run_timers+0x68f/0xaa0 [ 44.413281][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 44.413283][ C0] ? __bpf_trace_itimer_expire+0x10/0x10 [ 44.413284][ C0] ? __lock_acquire+0x518/0xc20 [ 44.413286][ C0] ? trace_rcu_watching+0x80/0x1f0 [ 44.413290][ C0] ? __rwlock_init+0x150/0x150 [ 44.413292][ C0] run_timer_softirq+0xf0/0x160 [ 44.413294][ C0] ? __run_timers+0xaa0/0xaa0 [ 44.413296][ C0] ? handle_softirqs+0x19c/0x900 [ 44.413297][ C0] ? rcu_is_watching+0x16/0xd0 [ 44.413298][ C0] handle_softirqs+0x1d3/0x900 [ 44.413300][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 44.413301][ C0] ? _local_bh_enable+0xc0/0xc0 [ 44.413303][ C0] __irq_exit_rcu+0x145/0x1c0 [ 44.413304][ C0] irq_exit_rcu+0xe/0x30 [ 44.413305][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 44.413307][ C0] [ 44.413308][ C0] [ 44.413309][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 44.413310][ C0] RIP: 0010:do_idle+0xb5/0x190 [ 44.413313][ C0] Code: 01 c5 eb 35 e8 8c 29 dd ff 8b 05 ae 16 de 03 85 c0 75 09 e8 cd 8b 54 02 85 c0 74 2c e8 54 a0 54 02 e8 ff fa ff ff 80 7d 00 00 <0f> 85 a6 00 00 00 48 f7 03 10 00 00 00 75 16 9c 58 fa f6 c4 02 74 [ 44.413314][ C0] RSP: 0018:ffffffffa5007da0 EFLAGS: 00000246 [ 44.413316][ C0] RAX: 0000000000000000 RBX: ffffffffa5040600 RCX: ffffffffa443d738 [ 44.413318][ C0] RDX: ffffffffa5040600 RSI: ffffffffa4e57571 RDI: ffffffffa488d8e0 [ 44.413318][ C0] RBP: fffffbfff4a080c0 R08: 0000000000000000 R09: 0000000000000000 [ 44.413319][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 44.413320][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000014770 [ 44.413322][ C0] ? default_idle_call+0x98/0xb0 [ 44.413324][ C0] cpu_startup_entry+0x53/0x70 [ 44.413326][ C0] rest_init+0x279/0x280 [ 44.413328][ C0] ? __cpuidle_text_end+0x3b/0x3b [ 44.413330][ C0] ? rest_init+0x280/0x280 [ 44.413332][ C0] ? acpi_hw_set_mode+0x4a0/0x4a0 [ 44.413335][ C0] ? cpus_read_unlock+0x4f/0xc0 [ 44.413338][ C0] ? acpi_enable+0x1e4/0x330 [ 44.413340][ C0] start_kernel+0x3af/0x3b0 [ 44.413341][ C0] x86_64_start_reservations+0x24/0x30 [ 44.413343][ C0] x86_64_start_kernel+0x12b/0x130 [ 44.413345][ C0] common_startup_64+0x13e/0x148 [ 44.413348][ C0] [ 44.413352][ C0] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 44.413353][ C0] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/0 [ 44.413355][ C0] preempt_count: 103, expected: 0 [ 44.413355][ C0] RCU nest depth: 0, expected: 0 [ 44.413356][ C0] INFO: lockdep is turned off. [ 44.413357][ C0] irq event stamp: 2207453 [ 44.413357][ C0] hardirqs last enabled at (2207452): [] __down_trylock_console_sem+0x86/0xa0 [ 44.413359][ C0] hardirqs last disabled at (2207453): [] console_emit_next_record+0x3d4/0x4c0 [ 44.413361][ C0] softirqs last enabled at (2207288): [] handle_softirqs+0x67c/0x900 [ 44.413363][ C0] softirqs last disabled at (2207379): [] __irq_exit_rcu+0x145/0x1c0 [ 44.413364][ C0] Preemption disabled at: [ 44.413364][ C0] [] schedule_preempt_disabled+0x22/0x30 [ 44.413367][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 44.413369][ C0] Tainted: [W]=WARN [ 44.413370][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.413370][ C0] Call Trace: [ 44.413371][ C0] [ 44.413371][ C0] dump_stack_lvl+0x6f/0xa0 [ 44.413373][ C0] ? schedule_preempt_disabled+0x22/0x30 [ 44.413375][ C0] __might_resched.cold+0x1fe/0x2c1 [ 44.413378][ C0] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 44.413381][ C0] ? rcu_is_watching+0x16/0xd0 [ 44.413382][ C0] __kmalloc_noprof+0x443/0x760 [ 44.413384][ C0] ? __rwlock_init+0x150/0x150 [ 44.413386][ C0] ? alloc_buf.isra.0+0x4b/0x260 [ 44.413388][ C0] ? do_raw_spin_unlock+0x59/0x250 [ 44.413389][ C0] alloc_buf.isra.0+0x4b/0x260 [ 44.413392][ C0] put_chars+0x1e1/0x2f0 [ 44.413394][ C0] ? __send_to_port+0x420/0x420 [ 44.413396][ C0] ? mark_lock+0x1d7/0xa00 [ 44.413398][ C0] hvc_console_print+0x292/0x780 [ 44.413401][ C0] ? hvc_write+0x3a0/0x3a0 [ 44.413403][ C0] ? rcu_is_watching+0x16/0xd0 [ 44.413404][ C0] ? rcu_is_watching+0x16/0xd0 [ 44.413406][ C0] console_emit_next_record+0x22f/0x4c0 [ 44.413408][ C0] ? devkmsg_read+0x4b0/0x4b0 [ 44.413410][ C0] ? console_flush_one_record+0x106/0x710 [ 44.413411][ C0] ? rcu_is_watching+0x16/0xd0 [ 44.413413][ C0] ? lock_acquire+0x13c/0x160 [ 44.413415][ C0] console_flush_one_record+0x46f/0x710 [ 44.413417][ C0] ? console_emit_next_record+0x4c0/0x4c0 [ 44.413418][ C0] ? __lock_acquire+0x518/0xc20 [ 44.413420][ C0] console_unlock+0xee/0x1f0 [ 44.413422][ C0] ? console_flush_one_record+0x710/0x710 [ 44.413424][ C0] ? rcu_is_watching+0x16/0xd0 [ 44.413425][ C0] ? lock_acquire+0x60/0x160 [ 44.413427][ C0] ? __down_trylock_console_sem+0x5e/0xa0 [ 44.413428][ C0] ? vprintk_emit+0x320/0x3e0 [ 44.413434][ C0] vprintk_emit+0x37c/0x3e0 [ 44.413436][ C0] ? wake_up_klogd_work_func+0x90/0x90 [ 44.413439][ C0] ? clocksource_watchdog.part.0+0x450/0x540 [ 44.413440][ C0] _printk+0xc7/0x100 [ 44.413442][ C0] ? snapshot_read.cold+0x21/0x21 [ 44.413444][ C0] ? clocksource_watchdog.part.0+0x450/0x540 [ 44.413446][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 44.413448][ C0] clocksource_watchdog.part.0.cold+0x105/0x1dd [ 44.413450][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 44.413451][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 44.413452][ C0] call_timer_fn+0x160/0x4d0 [ 44.413454][ C0] ? detach_if_pending+0x1d0/0x1d0 [ 44.413456][ C0] ? debug_object_active_state+0x430/0x430 [ 44.413457][ C0] ? find_held_lock+0x2b/0x80 [ 44.413460][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 44.413461][ C0] ? rcu_is_watching+0x16/0xd0 [ 44.413463][ C0] __run_timers+0x68f/0xaa0 [ 44.413465][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 44.413467][ C0] ? __bpf_trace_itimer_expire+0x10/0x10 [ 44.413468][ C0] ? __lock_acquire+0x518/0xc20 [ 44.413469][ C0] ? trace_rcu_watching+0x80/0x1f0 [ 44.413472][ C0] ? __rwlock_init+0x150/0x150 [ 44.413474][ C0] run_timer_softirq+0xf0/0x160 [ 44.413476][ C0] ? __run_timers+0xaa0/0xaa0 [ 44.413478][ C0] ? handle_softirqs+0x19c/0x900 [ 44.413479][ C0] ? rcu_is_watching+0x16/0xd0 [ 44.413480][ C0] handle_softirqs+0x1d3/0x900 [ 44.413482][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 44.413483][ C0] ? _local_bh_enable+0xc0/0xc0 [ 44.413485][ C0] __irq_exit_rcu+0x145/0x1c0 [ 44.413486][ C0] irq_exit_rcu+0xe/0x30 [ 44.413488][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 44.413489][ C0] [ 44.413490][ C0] [ 44.413490][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 44.413492][ C0] RIP: 0010:do_idle+0xb5/0x190 [ 44.413493][ C0] Code: 01 c5 eb 35 e8 8c 29 dd ff 8b 05 ae 16 de 03 85 c0 75 09 e8 cd 8b 54 02 85 c0 74 2c e8 54 a0 54 02 e8 ff fa ff ff 80 7d 00 00 <0f> 85 a6 00 00 00 48 f7 03 10 00 00 00 75 16 9c 58 fa f6 c4 02 74 [ 44.413494][ C0] RSP: 0018:ffffffffa5007da0 EFLAGS: 00000246 [ 44.413495][ C0] RAX: 0000000000000000 RBX: ffffffffa5040600 RCX: ffffffffa443d738 [ 44.413496][ C0] RDX: ffffffffa5040600 RSI: ffffffffa4e57571 RDI: ffffffffa488d8e0 [ 44.413497][ C0] RBP: fffffbfff4a080c0 R08: 0000000000000000 R09: 0000000000000000 [ 44.413498][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 44.413498][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000014770 [ 44.413500][ C0] ? default_idle_call+0x98/0xb0 [ 44.413502][ C0] cpu_startup_entry+0x53/0x70 [ 44.413504][ C0] rest_init+0x279/0x280 [ 44.413505][ C0] ? __cpuidle_text_end+0x3b/0x3b [ 44.413508][ C0] ? rest_init+0x280/0x280 [ 44.413510][ C0] ? acpi_hw_set_mode+0x4a0/0x4a0 [ 44.413512][ C0] ? cpus_read_unlock+0x4f/0xc0 [ 44.413514][ C0] ? acpi_enable+0x1e4/0x330 [ 44.413515][ C0] start_kernel+0x3af/0x3b0 [ 44.413517][ C0] x86_64_start_reservations+0x24/0x30 [ 44.413518][ C0] x86_64_start_kernel+0x12b/0x130 [ 44.413520][ C0] common_startup_64+0x13e/0x148 [ 44.413523][ C0] [ 65.739962][ T1014] mptcp_connect (1014) used greatest stack depth: 23888 bytes left [ 65.739977][ T1014] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 65.739980][ T1014] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1014, name: mptcp_connect [ 65.739981][ T1014] preempt_count: 2, expected: 0 [ 65.739982][ T1014] RCU nest depth: 0, expected: 0 [ 65.739983][ T1014] INFO: lockdep is turned off. [ 65.739984][ T1014] irq event stamp: 0 [ 65.739985][ T1014] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.739989][ T1014] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 65.739995][ T1014] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 65.739997][ T1014] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.739999][ T1014] Preemption disabled at: [ 65.739999][ T1014] [<0000000000000000>] 0x0 [ 65.740004][ T1014] CPU: 3 UID: 0 PID: 1014 Comm: mptcp_connect Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 65.740007][ T1014] Tainted: [W]=WARN [ 65.740008][ T1014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 65.740010][ T1014] Call Trace: [ 65.740011][ T1014] [ 65.740012][ T1014] dump_stack_lvl+0x6f/0xa0 [ 65.740018][ T1014] __might_resched.cold+0x1fe/0x2c1 [ 65.740022][ T1014] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 65.740025][ T1014] ? __asan_memcpy+0x3c/0x60 [ 65.740029][ T1014] ? rcu_is_watching+0x16/0xd0 [ 65.740033][ T1014] __kmalloc_noprof+0x443/0x760 [ 65.740035][ T1014] ? __rwlock_init+0x150/0x150 [ 65.740038][ T1014] ? alloc_buf.isra.0+0x4b/0x260 [ 65.740043][ T1014] ? do_raw_spin_unlock+0x59/0x250 [ 65.740044][ T1014] alloc_buf.isra.0+0x4b/0x260 [ 65.740047][ T1014] put_chars+0x1e1/0x2f0 [ 65.740049][ T1014] ? __send_to_port+0x420/0x420 [ 65.740051][ T1014] ? console_prepend_replay+0x20/0x20 [ 65.740054][ T1014] hvc_console_print+0x292/0x780 [ 65.740059][ T1014] ? hvc_write+0x3a0/0x3a0 [ 65.740061][ T1014] ? rcu_is_watching+0x16/0xd0 [ 65.740062][ T1014] ? lock_acquire+0x13c/0x160 [ 65.740064][ T1014] console_emit_next_record+0x22f/0x4c0 [ 65.740066][ T1014] ? devkmsg_read+0x4b0/0x4b0 [ 65.740068][ T1014] ? rcu_is_watching+0x16/0xd0 [ 65.740069][ T1014] ? rcu_is_watching+0x16/0xd0 [ 65.740071][ T1014] ? rcu_is_watching+0x16/0xd0 [ 65.740072][ T1014] ? lock_acquire+0x13c/0x160 [ 65.740074][ T1014] ? console_flush_one_record+0x111/0x710 [ 65.740075][ T1014] console_flush_one_record+0x46f/0x710 [ 65.740077][ T1014] ? console_emit_next_record+0x4c0/0x4c0 [ 65.740080][ T1014] console_unlock+0xee/0x1f0 [ 65.740081][ T1014] ? lock_acquire+0x13c/0x160 [ 65.740082][ T1014] ? console_flush_one_record+0x710/0x710 [ 65.740084][ T1014] ? rcu_is_watching+0x16/0xd0 [ 65.740085][ T1014] ? lock_release+0x184/0x1f0 [ 65.740086][ T1014] ? lock_acquire+0x60/0x160 [ 65.740088][ T1014] ? __rcu_read_lock+0x30/0x70 [ 65.740089][ T1014] ? __down_trylock_console_sem+0x5e/0xa0 [ 65.740091][ T1014] ? vprintk_emit+0x320/0x3e0 [ 65.740093][ T1014] vprintk_emit+0x37c/0x3e0 [ 65.740095][ T1014] ? wake_up_klogd_work_func+0x90/0x90 [ 65.740097][ T1014] _printk+0xc7/0x100 [ 65.740100][ T1014] ? snapshot_read.cold+0x21/0x21 [ 65.740102][ T1014] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 65.740105][ T1014] ? do_raw_spin_lock+0x131/0x280 [ 65.740107][ T1014] ? __rwlock_init+0x150/0x150 [ 65.740109][ T1014] ? do_raw_spin_lock+0x131/0x280 [ 65.740110][ T1014] do_exit.cold+0x82/0x9c [ 65.740113][ T1014] ? exit_notify+0x890/0x890 [ 65.740116][ T1014] ? posixtimer_sig_unignore.isra.0+0x5f0/0x5f0 [ 65.740118][ T1014] ? rcu_is_watching+0x16/0xd0 [ 65.740120][ T1014] do_group_exit+0xb8/0x370 [ 65.740122][ T1014] __x64_sys_exit_group+0x3c/0x50 [ 65.740124][ T1014] x64_sys_call+0x1567/0x1570 [ 65.740126][ T1014] do_syscall_64+0xff/0x530 [ 65.740129][ T1014] ? exc_page_fault+0xee/0x100 [ 65.740131][ T1014] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 65.740133][ T1014] RIP: 0033:0x7f2ab9c151b8 [ 65.740135][ T1014] Code: Unable to access opcode bytes at 0x7f2ab9c1518e. [ 65.740136][ T1014] RSP: 002b:00007ffd19c8e868 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 65.740140][ T1014] RAX: ffffffffffffffda RBX: 00007f2ab9d45f88 RCX: 00007f2ab9c151b8 [ 65.740141][ T1014] RDX: 00007f2ab9b52a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 65.740142][ T1014] RBP: 00007ffd19c8e8c0 R08: 0000000000000000 R09: 0000000000000000 [ 65.740143][ T1014] R10: 00007ffd19c8e700 R11: 0000000000000246 R12: 0000000000000001 [ 65.740144][ T1014] R13: 0000000000000000 R14: 00007f2ab9d44680 R15: 00007f2ab9d45fa0 [ 65.740146][ T1014] [ 97.844167][ T1391] mptcp_connect (1391) used greatest stack depth: 23752 bytes left [ 97.844185][ T1391] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 97.844188][ T1391] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1391, name: mptcp_connect [ 97.844190][ T1391] preempt_count: 2, expected: 0 [ 97.844190][ T1391] RCU nest depth: 0, expected: 0 [ 97.844191][ T1391] INFO: lockdep is turned off. [ 97.844192][ T1391] irq event stamp: 0 [ 97.844193][ T1391] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 97.844198][ T1391] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 97.844204][ T1391] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 97.844206][ T1391] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 97.844207][ T1391] Preemption disabled at: [ 97.844208][ T1391] [<0000000000000000>] 0x0 [ 97.844213][ T1391] CPU: 1 UID: 0 PID: 1391 Comm: mptcp_connect Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 97.844216][ T1391] Tainted: [W]=WARN [ 97.844217][ T1391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 97.844218][ T1391] Call Trace: [ 97.844220][ T1391] [ 97.844221][ T1391] dump_stack_lvl+0x6f/0xa0 [ 97.844226][ T1391] __might_resched.cold+0x1fe/0x2c1 [ 97.844230][ T1391] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 97.844234][ T1391] ? __asan_memcpy+0x3c/0x60 [ 97.844237][ T1391] ? rcu_is_watching+0x16/0xd0 [ 97.844240][ T1391] __kmalloc_noprof+0x443/0x760 [ 97.844243][ T1391] ? __rwlock_init+0x150/0x150 [ 97.844246][ T1391] ? alloc_buf.isra.0+0x4b/0x260 [ 97.844250][ T1391] ? do_raw_spin_unlock+0x59/0x250 [ 97.844252][ T1391] alloc_buf.isra.0+0x4b/0x260 [ 97.844254][ T1391] put_chars+0x1e1/0x2f0 [ 97.844256][ T1391] ? __send_to_port+0x420/0x420 [ 97.844258][ T1391] ? console_prepend_replay+0x20/0x20 [ 97.844261][ T1391] hvc_console_print+0x292/0x780 [ 97.844265][ T1391] ? hvc_write+0x3a0/0x3a0 [ 97.844267][ T1391] ? rcu_is_watching+0x16/0xd0 [ 97.844269][ T1391] ? lock_acquire+0x13c/0x160 [ 97.844270][ T1391] console_emit_next_record+0x22f/0x4c0 [ 97.844273][ T1391] ? devkmsg_read+0x4b0/0x4b0 [ 97.844275][ T1391] ? rcu_is_watching+0x16/0xd0 [ 97.844276][ T1391] ? rcu_is_watching+0x16/0xd0 [ 97.844277][ T1391] ? rcu_is_watching+0x16/0xd0 [ 97.844279][ T1391] ? lock_acquire+0x13c/0x160 [ 97.844280][ T1391] ? console_flush_one_record+0x111/0x710 [ 97.844282][ T1391] console_flush_one_record+0x46f/0x710 [ 97.844284][ T1391] ? console_emit_next_record+0x4c0/0x4c0 [ 97.844286][ T1391] console_unlock+0xee/0x1f0 [ 97.844288][ T1391] ? lock_acquire+0x13c/0x160 [ 97.844289][ T1391] ? console_flush_one_record+0x710/0x710 [ 97.844290][ T1391] ? rcu_is_watching+0x16/0xd0 [ 97.844292][ T1391] ? lock_release+0x184/0x1f0 [ 97.844293][ T1391] ? lock_acquire+0x60/0x160 [ 97.844294][ T1391] ? __rcu_read_lock+0x30/0x70 [ 97.844296][ T1391] ? __down_trylock_console_sem+0x5e/0xa0 [ 97.844297][ T1391] ? vprintk_emit+0x320/0x3e0 [ 97.844299][ T1391] vprintk_emit+0x37c/0x3e0 [ 97.844301][ T1391] ? wake_up_klogd_work_func+0x90/0x90 [ 97.844304][ T1391] _printk+0xc7/0x100 [ 97.844307][ T1391] ? snapshot_read.cold+0x21/0x21 [ 97.844308][ T1391] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 97.844312][ T1391] ? do_raw_spin_lock+0x131/0x280 [ 97.844313][ T1391] ? __rwlock_init+0x150/0x150 [ 97.844315][ T1391] ? do_raw_spin_lock+0x131/0x280 [ 97.844316][ T1391] do_exit.cold+0x82/0x9c [ 97.844319][ T1391] ? exit_notify+0x890/0x890 [ 97.844322][ T1391] ? posixtimer_sig_unignore.isra.0+0x5f0/0x5f0 [ 97.844325][ T1391] ? rcu_is_watching+0x16/0xd0 [ 97.844327][ T1391] do_group_exit+0xb8/0x370 [ 97.844329][ T1391] __x64_sys_exit_group+0x3c/0x50 [ 97.844330][ T1391] x64_sys_call+0x1567/0x1570 [ 97.844332][ T1391] do_syscall_64+0xff/0x530 [ 97.844335][ T1391] ? exc_page_fault+0xee/0x100 [ 97.844338][ T1391] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 97.844340][ T1391] RIP: 0033:0x7f86bd4981b8 [ 97.844342][ T1391] Code: Unable to access opcode bytes at 0x7f86bd49818e. [ 97.844343][ T1391] RSP: 002b:00007ffce46bd278 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 97.844347][ T1391] RAX: ffffffffffffffda RBX: 00007f86bd5c8f88 RCX: 00007f86bd4981b8 [ 97.844348][ T1391] RDX: 00007f86bd3d5a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 97.844349][ T1391] RBP: 00007ffce46bd2d0 R08: 0000000000000000 R09: 0000000000000000 [ 97.844350][ T1391] R10: 00007ffce46bd110 R11: 0000000000000246 R12: 0000000000000001 [ 97.844350][ T1391] R13: 0000000000000000 R14: 00007f86bd5c7680 R15: 00007f86bd5c8fa0 [ 97.844353][ T1391] [ 112.987946][ T1869] mptcp_connect (1869) used greatest stack depth: 23600 bytes left [ 112.987965][ T1869] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 112.987968][ T1869] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1869, name: mptcp_connect [ 112.987969][ T1869] preempt_count: 2, expected: 0 [ 112.987970][ T1869] RCU nest depth: 0, expected: 0 [ 112.987971][ T1869] INFO: lockdep is turned off. [ 112.987972][ T1869] irq event stamp: 0 [ 112.987973][ T1869] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 112.987978][ T1869] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 112.987984][ T1869] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 112.987986][ T1869] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 112.987987][ T1869] Preemption disabled at: [ 112.987988][ T1869] [<0000000000000000>] 0x0 [ 112.987992][ T1869] CPU: 3 UID: 0 PID: 1869 Comm: mptcp_connect Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 112.987996][ T1869] Tainted: [W]=WARN [ 112.987997][ T1869] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 112.987999][ T1869] Call Trace: [ 112.988000][ T1869] [ 112.988001][ T1869] dump_stack_lvl+0x6f/0xa0 [ 112.988011][ T1869] __might_resched.cold+0x1fe/0x2c1 [ 112.988015][ T1869] ? entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 112.988017][ T1869] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 112.988020][ T1869] ? __asan_memcpy+0x3c/0x60 [ 112.988024][ T1869] ? rcu_is_watching+0x16/0xd0 [ 112.988027][ T1869] __kmalloc_noprof+0x443/0x760 [ 112.988029][ T1869] ? __rwlock_init+0x150/0x150 [ 112.988032][ T1869] ? alloc_buf.isra.0+0x4b/0x260 [ 112.988037][ T1869] ? do_raw_spin_unlock+0x59/0x250 [ 112.988038][ T1869] alloc_buf.isra.0+0x4b/0x260 [ 112.988041][ T1869] put_chars+0x1e1/0x2f0 [ 112.988043][ T1869] ? __send_to_port+0x420/0x420 [ 112.988045][ T1869] ? console_prepend_replay+0x20/0x20 [ 112.988048][ T1869] hvc_console_print+0x292/0x780 [ 112.988053][ T1869] ? hvc_write+0x3a0/0x3a0 [ 112.988055][ T1869] ? rcu_is_watching+0x16/0xd0 [ 112.988056][ T1869] ? lock_acquire+0x13c/0x160 [ 112.988058][ T1869] console_emit_next_record+0x22f/0x4c0 [ 112.988060][ T1869] ? devkmsg_read+0x4b0/0x4b0 [ 112.988062][ T1869] ? rcu_is_watching+0x16/0xd0 [ 112.988064][ T1869] ? rcu_is_watching+0x16/0xd0 [ 112.988065][ T1869] ? rcu_is_watching+0x16/0xd0 [ 112.988067][ T1869] ? lock_acquire+0x13c/0x160 [ 112.988068][ T1869] ? console_flush_one_record+0x111/0x710 [ 112.988070][ T1869] console_flush_one_record+0x46f/0x710 [ 112.988072][ T1869] ? console_emit_next_record+0x4c0/0x4c0 [ 112.988074][ T1869] console_unlock+0xee/0x1f0 [ 112.988076][ T1869] ? lock_acquire+0x13c/0x160 [ 112.988077][ T1869] ? console_flush_one_record+0x710/0x710 [ 112.988078][ T1869] ? rcu_is_watching+0x16/0xd0 [ 112.988080][ T1869] ? lock_release+0x184/0x1f0 [ 112.988081][ T1869] ? lock_acquire+0x60/0x160 [ 112.988082][ T1869] ? __rcu_read_lock+0x30/0x70 [ 112.988084][ T1869] ? __down_trylock_console_sem+0x5e/0xa0 [ 112.988086][ T1869] ? vprintk_emit+0x320/0x3e0 [ 112.988088][ T1869] vprintk_emit+0x37c/0x3e0 [ 112.988090][ T1869] ? wake_up_klogd_work_func+0x90/0x90 [ 112.988091][ T1869] ? do_raw_spin_unlock+0x59/0x250 [ 112.988093][ T1869] ? _raw_spin_unlock+0x2d/0x50 [ 112.988096][ T1869] ? __free_frozen_pages+0x6ab/0xfc0 [ 112.988100][ T1869] _printk+0xc7/0x100 [ 112.988103][ T1869] ? snapshot_read.cold+0x21/0x21 [ 112.988105][ T1869] ? do_raw_spin_lock+0x131/0x280 [ 112.988106][ T1869] ? __rwlock_init+0x150/0x150 [ 112.988108][ T1869] ? do_raw_spin_lock+0x131/0x280 [ 112.988109][ T1869] do_exit.cold+0x82/0x9c [ 112.988112][ T1869] ? exit_notify+0x890/0x890 [ 112.988115][ T1869] ? posixtimer_sig_unignore.isra.0+0x5f0/0x5f0 [ 112.988118][ T1869] ? rcu_is_watching+0x16/0xd0 [ 112.988120][ T1869] do_group_exit+0xb8/0x370 [ 112.988122][ T1869] __x64_sys_exit_group+0x3c/0x50 [ 112.988124][ T1869] x64_sys_call+0x1567/0x1570 [ 112.988125][ T1869] do_syscall_64+0xff/0x530 [ 112.988128][ T1869] ? exc_page_fault+0xee/0x100 [ 112.988130][ T1869] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 112.988131][ T1869] RIP: 0033:0x7f14f24aa1b8 [ 112.988133][ T1869] Code: Unable to access opcode bytes at 0x7f14f24aa18e. [ 112.988135][ T1869] RSP: 002b:00007ffd56bea958 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 112.988138][ T1869] RAX: ffffffffffffffda RBX: 00007f14f25daf88 RCX: 00007f14f24aa1b8 [ 112.988139][ T1869] RDX: 00007f14f23e7a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 112.988140][ T1869] RBP: 00007ffd56bea9b0 R08: 0000000000000000 R09: 0000000000000000 [ 112.988141][ T1869] R10: 00007ffd56bea7f0 R11: 0000000000000246 R12: 0000000000000001 [ 112.988142][ T1869] R13: 0000000000000000 R14: 00007f14f25d9680 R15: 00007f14f25dafa0 [ 112.988144][ T1869] [ 115.706893][ T1963] mptcp_connect (1963) used greatest stack depth: 23264 bytes left [ 115.706910][ T1963] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 115.706912][ T1963] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1963, name: mptcp_connect [ 115.706914][ T1963] preempt_count: 2, expected: 0 [ 115.706915][ T1963] RCU nest depth: 0, expected: 0 [ 115.706916][ T1963] INFO: lockdep is turned off. [ 115.706917][ T1963] irq event stamp: 0 [ 115.706918][ T1963] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 115.706923][ T1963] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 115.706929][ T1963] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 115.706931][ T1963] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 115.706933][ T1963] Preemption disabled at: [ 115.706933][ T1963] [<0000000000000000>] 0x0 [ 115.706938][ T1963] CPU: 2 UID: 0 PID: 1963 Comm: mptcp_connect Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 115.706942][ T1963] Tainted: [W]=WARN [ 115.706943][ T1963] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 115.706944][ T1963] Call Trace: [ 115.706945][ T1963] [ 115.706946][ T1963] dump_stack_lvl+0x6f/0xa0 [ 115.706952][ T1963] __might_resched.cold+0x1fe/0x2c1 [ 115.706955][ T1963] ? entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 115.706958][ T1963] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 115.706961][ T1963] ? __asan_memcpy+0x3c/0x60 [ 115.706964][ T1963] ? rcu_is_watching+0x16/0xd0 [ 115.706968][ T1963] __kmalloc_noprof+0x443/0x760 [ 115.706971][ T1963] ? __rwlock_init+0x150/0x150 [ 115.706973][ T1963] ? alloc_buf.isra.0+0x4b/0x260 [ 115.706978][ T1963] ? do_raw_spin_unlock+0x59/0x250 [ 115.706980][ T1963] alloc_buf.isra.0+0x4b/0x260 [ 115.706982][ T1963] put_chars+0x1e1/0x2f0 [ 115.706984][ T1963] ? __send_to_port+0x420/0x420 [ 115.706987][ T1963] ? console_prepend_replay+0x20/0x20 [ 115.706990][ T1963] hvc_console_print+0x292/0x780 [ 115.706994][ T1963] ? hvc_write+0x3a0/0x3a0 [ 115.706996][ T1963] ? rcu_is_watching+0x16/0xd0 [ 115.706998][ T1963] ? lock_acquire+0x13c/0x160 [ 115.707000][ T1963] console_emit_next_record+0x22f/0x4c0 [ 115.707002][ T1963] ? devkmsg_read+0x4b0/0x4b0 [ 115.707004][ T1963] ? rcu_is_watching+0x16/0xd0 [ 115.707005][ T1963] ? rcu_is_watching+0x16/0xd0 [ 115.707007][ T1963] ? rcu_is_watching+0x16/0xd0 [ 115.707008][ T1963] ? lock_acquire+0x13c/0x160 [ 115.707010][ T1963] ? console_flush_one_record+0x111/0x710 [ 115.707011][ T1963] console_flush_one_record+0x46f/0x710 [ 115.707018][ T1963] ? console_emit_next_record+0x4c0/0x4c0 [ 115.707020][ T1963] console_unlock+0xee/0x1f0 [ 115.707022][ T1963] ? lock_acquire+0x13c/0x160 [ 115.707023][ T1963] ? console_flush_one_record+0x710/0x710 [ 115.707024][ T1963] ? rcu_is_watching+0x16/0xd0 [ 115.707026][ T1963] ? lock_release+0x184/0x1f0 [ 115.707027][ T1963] ? lock_acquire+0x60/0x160 [ 115.707028][ T1963] ? __rcu_read_lock+0x30/0x70 [ 115.707030][ T1963] ? __down_trylock_console_sem+0x5e/0xa0 [ 115.707032][ T1963] ? vprintk_emit+0x320/0x3e0 [ 115.707034][ T1963] vprintk_emit+0x37c/0x3e0 [ 115.707036][ T1963] ? wake_up_klogd_work_func+0x90/0x90 [ 115.707037][ T1963] ? do_raw_spin_unlock+0x59/0x250 [ 115.707039][ T1963] ? _raw_spin_unlock+0x2d/0x50 [ 115.707043][ T1963] ? __free_frozen_pages+0x6ab/0xfc0 [ 115.707046][ T1963] _printk+0xc7/0x100 [ 115.707050][ T1963] ? snapshot_read.cold+0x21/0x21 [ 115.707052][ T1963] ? do_raw_spin_lock+0x131/0x280 [ 115.707053][ T1963] ? __rwlock_init+0x150/0x150 [ 115.707055][ T1963] ? do_raw_spin_lock+0x131/0x280 [ 115.707057][ T1963] do_exit.cold+0x82/0x9c [ 115.707060][ T1963] ? exit_notify+0x890/0x890 [ 115.707062][ T1963] ? posixtimer_sig_unignore.isra.0+0x5f0/0x5f0 [ 115.707065][ T1963] ? rcu_is_watching+0x16/0xd0 [ 115.707067][ T1963] do_group_exit+0xb8/0x370 [ 115.707069][ T1963] __x64_sys_exit_group+0x3c/0x50 [ 115.707071][ T1963] x64_sys_call+0x1567/0x1570 [ 115.707073][ T1963] do_syscall_64+0xff/0x530 [ 115.707075][ T1963] ? exc_page_fault+0xee/0x100 [ 115.707077][ T1963] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 115.707079][ T1963] RIP: 0033:0x7fe2bab091b8 [ 115.707081][ T1963] Code: Unable to access opcode bytes at 0x7fe2bab0918e. [ 115.707082][ T1963] RSP: 002b:00007ffef7039c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 115.707085][ T1963] RAX: ffffffffffffffda RBX: 00007fe2bac39f88 RCX: 00007fe2bab091b8 [ 115.707087][ T1963] RDX: 00007fe2baa46a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 115.707088][ T1963] RBP: 00007ffef7039cc0 R08: 0000000000000000 R09: 0000000000000000 [ 115.707089][ T1963] R10: 00007ffef7039b00 R11: 0000000000000246 R12: 0000000000000001 [ 115.707089][ T1963] R13: 0000000000000000 R14: 00007fe2bac38680 R15: 00007fe2bac39fa0 [ 115.707092][ T1963]