====================================== | [ 10.252269][ T174] softirqs last disabled at (18473): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.252271][ T174] Preemption disabled at: | [ 10.252272][ T174] 0x0 | [ 10.252282][ T174] Tainted: [W]=WARN [ 10.252283][ T174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.252285][ T174] Call Trace: [ 10.252286][ T174] [ 10.252288][ T174] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.252294][ T174] __might_resched.cold (kernel/sched/core.c:9234) [ 10.252299][ T174] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.252303][ T174] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.252307][ T174] __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)) [ 10.252309][ T174] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.252316][ T174] ? 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) [ 10.252318][ T174] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.252322][ T174] put_chars (drivers/char/virtio_console.c:1176) [ 10.252325][ T174] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.252327][ T174] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.252332][ T174] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.252337][ T174] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.252344][ T174] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.252347][ T174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.252349][ T174] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.252352][ T174] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.252356][ T174] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.252358][ T174] ? 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)) [ 10.252361][ T174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.252363][ T174] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.252366][ T174] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.252370][ T174] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.252372][ T174] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.252377][ T174] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.252379][ T174] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.252381][ T174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.252383][ T174] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.252386][ T174] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.252388][ T174] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.252391][ T174] vprintk_emit (kernel/printk/printk.c:2479) [ 10.252394][ T174] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.252397][ T174] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.252401][ T174] _printk (kernel/printk/printk.c:2504) [ 10.252405][ T174] ? snapshot_read.cold (user.c:?) [ 10.252407][ T174] ? 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) [ 10.252410][ T174] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.252413][ T174] ? 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) [ 10.252416][ T174] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.252419][ T174] ? exit_notify (kernel/exit.c:780) [ 10.252421][ T174] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.252424][ T174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.252428][ T174] do_group_exit (kernel/exit.c:1151) [ 10.252431][ T174] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.252433][ T174] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.252435][ T174] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.252438][ T174] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.252442][ T174] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.252444][ T174] RIP: 0033:0x7fb53f0c51b8 [ 10.252446][ T174] Code: Unable to access opcode bytes at 0x7fb53f0c518e. Code starting with the faulting instruction =========================================== [ 10.252447][ T174] RSP: 002b:00007fffe68288f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.252450][ T174] RAX: ffffffffffffffda RBX: 00007fb53f1f5f88 RCX: 00007fb53f0c51b8 [ 10.252451][ T174] RDX: 00007fb53ee0ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.252452][ T174] RBP: 00007fffe6828950 R08: 0000000000000000 R09: 0000000000000000 [ 10.252453][ T174] R10: 00007fffe6828710 R11: 0000000000000246 R12: 0000000000000001 [ 10.252454][ T174] R13: 0000000000000000 R14: 00007fb53f1f4680 R15: 00007fb53f1f5fa0 | [ 27.478710][ T701] softirqs last disabled at (32655): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 27.478712][ T701] Preemption disabled at: | [ 27.478712][ T701] 0x0 | [ 27.478722][ T701] Tainted: [W]=WARN [ 27.478723][ T701] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.478725][ T701] Call Trace: [ 27.478726][ T701] [ 27.478728][ T701] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 27.478734][ T701] __might_resched.cold (kernel/sched/core.c:9234) [ 27.478739][ T701] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.478742][ T701] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 27.478747][ T701] __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)) [ 27.478749][ T701] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.478756][ T701] ? 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) [ 27.478758][ T701] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.478762][ T701] put_chars (drivers/char/virtio_console.c:1176) [ 27.478765][ T701] ? __send_to_port (drivers/char/virtio_console.c:654) [ 27.478767][ T701] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 27.478771][ T701] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 27.478776][ T701] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 27.478783][ T701] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 27.478786][ T701] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.478788][ T701] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.478792][ T701] console_emit_next_record (kernel/printk/printk.c:3183) [ 27.478796][ T701] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 27.478797][ T701] ? 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)) [ 27.478800][ T701] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.478802][ T701] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.478806][ T701] console_flush_one_record (kernel/printk/printk.c:3268) [ 27.478810][ T701] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 27.478811][ T701] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.478816][ T701] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 27.478819][ T701] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 27.478820][ T701] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.478822][ T701] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 27.478826][ T701] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 27.478827][ T701] ? vprintk_emit (kernel/printk/printk.c:2478) [ 27.478830][ T701] vprintk_emit (kernel/printk/printk.c:2479) [ 27.478834][ T701] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 27.478837][ T701] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.478840][ T701] _printk (kernel/printk/printk.c:2504) [ 27.478844][ T701] ? snapshot_read.cold (user.c:?) [ 27.478847][ T701] ? 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) [ 27.478849][ T701] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 27.478852][ T701] ? 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) [ 27.478855][ T701] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 27.478859][ T701] ? exit_notify (kernel/exit.c:780) [ 27.478860][ T701] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.478863][ T701] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.478867][ T701] do_group_exit (kernel/exit.c:1151) [ 27.478870][ T701] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 27.478872][ T701] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 27.478874][ T701] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 27.478878][ T701] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 27.478881][ T701] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 27.478883][ T701] RIP: 0033:0x7f285e54a1b8 [ 27.478886][ T701] Code: Unable to access opcode bytes at 0x7f285e54a18e. Code starting with the faulting instruction =========================================== [ 27.478887][ T701] RSP: 002b:00007ffff0a62078 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 27.478889][ T701] RAX: ffffffffffffffda RBX: 00007f285e67af88 RCX: 00007f285e54a1b8 [ 27.478891][ T701] RDX: 00007f285e487a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 27.478892][ T701] RBP: 00007ffff0a620d0 R08: 0000000000000000 R09: 0000000000000000 [ 27.478892][ T701] R10: 00007ffff0a61f10 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print