====================================== | [ 10.183298][ T187] softirqs last disabled at (30905): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.183301][ T187] Preemption disabled at: | [ 10.183302][ T187] 0x0 | [ 10.183312][ T187] Tainted: [W]=WARN [ 10.183313][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.183315][ T187] Call Trace: [ 10.183316][ T187] [ 10.183318][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.183324][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 10.183328][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.183332][ T187] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.183337][ T187] __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)) [ 10.183340][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.183345][ T187] ? 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) [ 10.183348][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.183351][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 10.183354][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.183355][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.183360][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.183365][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.183371][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.183373][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.183376][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.183380][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.183384][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.183385][ T187] ? 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)) [ 10.183389][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.183391][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.183395][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.183399][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.183401][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.183406][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.183409][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.183410][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.183413][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.183416][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.183418][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.183421][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 10.183425][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.183429][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.183432][ T187] _printk (kernel/printk/printk.c:2504) [ 10.183436][ T187] ? snapshot_read.cold (user.c:?) [ 10.183439][ T187] ? 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) [ 10.183441][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.183445][ T187] ? 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) [ 10.183448][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.183451][ T187] ? exit_notify (kernel/exit.c:780) [ 10.183453][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.183456][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.183460][ T187] do_group_exit (kernel/exit.c:1151) [ 10.183463][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.183465][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.183467][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.183470][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.183473][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.183476][ T187] RIP: 0033:0x7fe8a90001b8 [ 10.183478][ T187] Code: Unable to access opcode bytes at 0x7fe8a900018e. Code starting with the faulting instruction =========================================== [ 10.183481][ T187] RSP: 002b:00007ffc0bda6b38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.183484][ T187] RAX: ffffffffffffffda RBX: 00007fe8a9130f88 RCX: 00007fe8a90001b8 [ 10.183485][ T187] RDX: 00007fe8a8d4afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.183487][ T187] RBP: 00007ffc0bda6b90 R08: 0000000000000000 R09: 0000000000008010 [ 10.183488][ T187] R10: 00007ffc0bda6950 R11: 0000000000000246 R12: 0000000000000001 [ 10.183489][ T187] R13: 0000000000000000 R14: 00007fe8a912f680 R15: 00007fe8a9130fa0 | [ 12.131193][ T257] softirqs last disabled at (33043): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.131202][ T257] Preemption disabled at: | [ 12.131203][ T257] 0x0 | [ 12.131215][ T257] Tainted: [W]=WARN [ 12.131216][ T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.131217][ T257] Call Trace: [ 12.131219][ T257] [ 12.131221][ T257] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.131230][ T257] __might_resched.cold (kernel/sched/core.c:9234) [ 12.131234][ T257] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.131239][ T257] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.131244][ T257] __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)) [ 12.131246][ T257] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.131252][ T257] ? 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) [ 12.131255][ T257] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.131259][ T257] put_chars (drivers/char/virtio_console.c:1176) [ 12.131261][ T257] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.131263][ T257] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.131268][ T257] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.131273][ T257] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.131279][ T257] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.131281][ T257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.131284][ T257] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.131291][ T257] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.131298][ T257] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.131300][ T257] ? 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)) [ 12.131303][ T257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.131306][ T257] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.131310][ T257] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.131314][ T257] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.131316][ T257] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.131321][ T257] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.131324][ T257] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.131325][ T257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.131328][ T257] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.131332][ T257] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.131335][ T257] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.131339][ T257] vprintk_emit (kernel/printk/printk.c:2479) [ 12.131343][ T257] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.131346][ T257] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.131350][ T257] _printk (kernel/printk/printk.c:2504) [ 12.131354][ T257] ? snapshot_read.cold (user.c:?) [ 12.131357][ T257] ? 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) [ 12.131359][ T257] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.131363][ T257] ? 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) [ 12.131366][ T257] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.131370][ T257] ? exit_notify (kernel/exit.c:780) [ 12.131372][ T257] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.131375][ T257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.131379][ T257] do_group_exit (kernel/exit.c:1151) [ 12.131382][ T257] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.131384][ T257] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.131386][ T257] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.131390][ T257] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.131394][ T257] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.131397][ T257] RIP: 0033:0x7faacec531b8 [ 12.131399][ T257] Code: Unable to access opcode bytes at 0x7faacec5318e. Code starting with the faulting instruction =========================================== [ 12.131401][ T257] RSP: 002b:00007ffd82b17b38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.131405][ T257] RAX: ffffffffffffffda RBX: 00007faaced83f88 RCX: 00007faacec531b8 [ 12.131406][ T257] RDX: 00007faace4b1408 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 12.131407][ T257] RBP: 00007ffd82b17b90 R08: 0000000000000000 R09: 0000000000000050 [ 12.131408][ T257] R10: 00007ffd82b17990 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print