====================================== | [ 10.041566][ T177] softirqs last disabled at (23449): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.041569][ T177] Preemption disabled at: | [ 10.041570][ T177] 0x0 | [ 10.041584][ T177] Tainted: [W]=WARN [ 10.041585][ T177] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.041587][ T177] Call Trace: [ 10.041589][ T177] [ 10.041591][ T177] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.041600][ T177] __might_resched.cold (kernel/sched/core.c:9234) [ 10.041605][ T177] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.041611][ T177] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.041619][ T177] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.041622][ T177] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.041631][ T177] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.041635][ T177] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.041642][ T177] put_chars (drivers/char/virtio_console.c:1176) [ 10.041647][ T177] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.041649][ T177] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.041656][ T177] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.041665][ T177] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.041676][ T177] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.041680][ T177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.041683][ T177] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.041690][ T177] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.041697][ T177] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.041699][ T177] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.041704][ T177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.041708][ T177] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.041715][ T177] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.041721][ T177] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.041724][ T177] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.041733][ T177] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.041738][ T177] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.041740][ T177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.041744][ T177] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.041750][ T177] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.041753][ T177] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.041758][ T177] vprintk_emit (kernel/printk/printk.c:2479) [ 10.041764][ T177] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.041770][ T177] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.041776][ T177] _printk (kernel/printk/printk.c:2504) [ 10.041781][ T177] ? snapshot_read.cold (user.c:?) [ 10.041786][ T177] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.041790][ T177] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.041796][ T177] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.041801][ T177] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.041806][ T177] ? exit_notify (kernel/exit.c:780) [ 10.041808][ T177] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.041813][ T177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.041820][ T177] do_group_exit (kernel/exit.c:1151) [ 10.041825][ T177] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.041827][ T177] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.041831][ T177] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.041836][ T177] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.041840][ T177] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.041843][ T177] RIP: 0033:0x7ff0094311b8 [ 10.041847][ T177] Code: Unable to access opcode bytes at 0x7ff00943118e. Code starting with the faulting instruction =========================================== [ 10.041848][ T177] RSP: 002b:00007ffe4ada3908 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.041851][ T177] RAX: ffffffffffffffda RBX: 00007ff009561f88 RCX: 00007ff0094311b8 [ 10.041853][ T177] RDX: 00007ff00917bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.041855][ T177] RBP: 00007ffe4ada3960 R08: 0000000000000000 R09: 0000000000000050 [ 10.041856][ T177] R10: 00007ffe4ada3720 R11: 0000000000000246 R12: 0000000000000001 [ 10.041857][ T177] R13: 0000000000000000 R14: 00007ff009560680 R15: 00007ff009561fa0 | [ 18.353153][ T248] softirqs last disabled at (1100129): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 18.353156][ T248] Preemption disabled at: | [ 18.353157][ T248] 0x0 | [ 18.353170][ T248] Tainted: [W]=WARN [ 18.353172][ T248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.353174][ T248] Call Trace: [ 18.353177][ T248] [ 18.353179][ T248] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.353187][ T248] __might_resched.cold (kernel/sched/core.c:9234) [ 18.353194][ T248] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.353200][ T248] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.353207][ T248] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 18.353211][ T248] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.353220][ T248] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 18.353224][ T248] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.353229][ T248] put_chars (drivers/char/virtio_console.c:1176) [ 18.353233][ T248] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 18.353237][ T248] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.353242][ T248] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.353248][ T248] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.353252][ T248] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.353258][ T248] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.353263][ T248] ? mark_usage (kernel/locking/lockdep.c:4690) [ 18.353266][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.353268][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.353275][ T248] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.353279][ T248] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 18.353284][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.353288][ T248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.353295][ T248] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.353302][ T248] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.353304][ T248] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 18.353310][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.353313][ T248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.353320][ T248] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.353328][ T248] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.353330][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.353340][ T248] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.353345][ T248] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.353348][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.353352][ T248] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.353358][ T248] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.353361][ T248] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.353367][ T248] vprintk_emit (kernel/printk/printk.c:2479) [ 18.353373][ T248] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.353379][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.353386][ T248] _printk (kernel/printk/printk.c:2504) [ 18.353390][ T248] ? snapshot_read.cold (user.c:?) [ 18.353395][ T248] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 18.353399][ T248] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.353406][ T248] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 18.353411][ T248] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 18.353416][ T248] ? exit_notify (kernel/exit.c:780) [ 18.353426][ T248] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 18.353429][ T248] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 18.353433][ T248] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 18.353438][ T248] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 18.353442][ T248] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 18.353446][ T248] RIP: 0033:0x7fbea85c4c49 [ 18.353449][ T248] Code: Unable to access opcode bytes at 0x7fbea85c4c1f. Code starting with the faulting instruction =========================================== [ 18.353451][ T248] RSP: 002b:00007fbea7d83e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 18.353454][ T248] RAX: ffffffffffffffda RBX: 00007fbea7d846c0 RCX: 00007fbea85c4c49 [ 18.353456][ T248] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 18.353457][ T248] RBP: 00007fbea7d83f70 R08: 0000000000000001 R09: 00007fbea7d846c0 [ 18.353459][ T248] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fbea7584000 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print