====================================== | [ 10.561459][ T167] softirqs last disabled at (3990531): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.561462][ T167] Preemption disabled at: | [ 10.561462][ T167] 0x0 | [ 10.561473][ T167] Tainted: [W]=WARN [ 10.561473][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.561475][ T167] Call Trace: [ 10.561477][ T167] [ 10.561478][ T167] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.561484][ T167] __might_resched.cold (kernel/sched/core.c:9234) [ 10.561488][ T167] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.561492][ T167] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.561497][ T167] __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)) [ 10.561499][ T167] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.561505][ T167] ? 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) [ 10.561508][ T167] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.561512][ T167] put_chars (drivers/char/virtio_console.c:1176) [ 10.561515][ T167] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.561516][ T167] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.561521][ T167] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.561526][ T167] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.561533][ T167] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.561536][ T167] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.561538][ T167] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.561542][ T167] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.561546][ T167] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.561547][ T167] ? 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)) [ 10.561550][ T167] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.561552][ T167] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.561556][ T167] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.561560][ T167] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.561561][ T167] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.561567][ T167] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.561569][ T167] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.561570][ T167] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.561572][ T167] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.561576][ T167] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.561578][ T167] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.561581][ T167] vprintk_emit (kernel/printk/printk.c:2479) [ 10.561585][ T167] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.561586][ T167] ? 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) [ 10.561589][ T167] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.561593][ T167] _printk (kernel/printk/printk.c:2504) [ 10.561598][ T167] ? snapshot_read.cold (user.c:?) [ 10.561600][ T167] ? 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) [ 10.561603][ T167] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.561607][ T167] ? 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) [ 10.561610][ T167] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.561614][ T167] ? exit_notify (kernel/exit.c:780) [ 10.561615][ T167] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.561618][ T167] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.561622][ T167] do_group_exit (kernel/exit.c:1151) [ 10.561625][ T167] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.561627][ T167] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.561630][ T167] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.561634][ T167] ? irq_exit_rcu (kernel/softirq.c:786) [ 10.561637][ T167] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.561640][ T167] RIP: 0033:0x479678 [ 10.561642][ T167] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 10.561643][ T167] RSP: 002b:00007ffc6aecc208 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.561646][ T167] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 10.561647][ T167] RDX: 000000002efb3708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 10.561648][ T167] RBP: 00007ffc6aecc260 R08: 0000000000000000 R09: 000000002efb43e0 [ 10.561649][ T167] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffc6aecc398 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print