====================================== | [ 10.885898][ T154] softirqs last disabled at (78425): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.885900][ T154] Preemption disabled at: | [ 10.885901][ T154] 0x0 | [ 10.885911][ T154] Tainted: [W]=WARN [ 10.885911][ T154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.885913][ T154] Call Trace: [ 10.885915][ T154] [ 10.885916][ T154] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.885921][ T154] __might_resched.cold (kernel/sched/core.c:9234) [ 10.885925][ T154] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.885929][ T154] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.885934][ T154] __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)) [ 10.885937][ T154] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.885942][ T154] ? 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) [ 10.885945][ T154] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.885948][ T154] put_chars (drivers/char/virtio_console.c:1176) [ 10.885951][ T154] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.885953][ T154] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.885957][ T154] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.885962][ T154] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.885969][ T154] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.885971][ T154] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.885973][ T154] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.885977][ T154] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.885980][ T154] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.885981][ T154] ? 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)) [ 10.885984][ T154] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.885986][ T154] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.885989][ T154] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.885993][ T154] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.885994][ T154] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.885999][ T154] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.886001][ T154] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.886003][ T154] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.886004][ T154] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.886008][ T154] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.886010][ T154] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.886013][ T154] vprintk_emit (kernel/printk/printk.c:2479) [ 10.886016][ T154] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.886019][ T154] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.886022][ T154] _printk (kernel/printk/printk.c:2504) [ 10.886026][ T154] ? snapshot_read.cold (user.c:?) [ 10.886029][ T154] ? 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) [ 10.886031][ T154] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.886035][ T154] ? 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) [ 10.886038][ T154] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.886041][ T154] ? exit_notify (kernel/exit.c:780) [ 10.886043][ T154] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.886045][ T154] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.886049][ T154] do_group_exit (kernel/exit.c:1151) [ 10.886052][ T154] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.886054][ T154] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.886056][ T154] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.886060][ T154] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.886063][ T154] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.886065][ T154] RIP: 0033:0x7fcb637281b8 [ 10.886067][ T154] Code: Unable to access opcode bytes at 0x7fcb6372818e. Code starting with the faulting instruction =========================================== [ 10.886068][ T154] RSP: 002b:00007fff37a86768 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.886070][ T154] RAX: ffffffffffffffda RBX: 00007fcb63858f88 RCX: 00007fcb637281b8 [ 10.886071][ T154] RDX: 00007fcb63516cc8 RSI: ffffffffffffffa8 RDI: 0000000000000000 [ 10.886072][ T154] RBP: 00007fff37a867c0 R08: 0000000000000000 R09: 0000000000000050 [ 10.886073][ T154] R10: 00007fff37a865c0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print