====================================== | [ 9.811728][ T185] softirqs last disabled at (22337): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.811730][ T185] Preemption disabled at: | [ 9.811731][ T185] 0x0 | [ 9.811741][ T185] Tainted: [W]=WARN [ 9.811742][ T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.811744][ T185] Call Trace: [ 9.811746][ T185] [ 9.811748][ T185] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.811754][ T185] __might_resched.cold (kernel/sched/core.c:9234) [ 9.811759][ T185] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.811763][ T185] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.811768][ T185] __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)) [ 9.811770][ T185] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.811777][ T185] ? 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) [ 9.811780][ T185] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.811783][ T185] put_chars (drivers/char/virtio_console.c:1176) [ 9.811787][ T185] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.811789][ T185] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.811794][ T185] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.811799][ T185] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.811807][ T185] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.811810][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.811812][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.811816][ T185] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.811820][ T185] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.811822][ T185] ? 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)) [ 9.811827][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.811829][ T185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.811833][ T185] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.811837][ T185] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.811839][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.811844][ T185] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.811847][ T185] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.811849][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.811851][ T185] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.811855][ T185] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.811856][ T185] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.811860][ T185] vprintk_emit (kernel/printk/printk.c:2479) [ 9.811863][ T185] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.811867][ T185] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.811871][ T185] _printk (kernel/printk/printk.c:2504) [ 9.811875][ T185] ? snapshot_read.cold (user.c:?) [ 9.811878][ T185] ? 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) [ 9.811880][ T185] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.811884][ T185] ? 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) [ 9.811887][ T185] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.811890][ T185] ? exit_notify (kernel/exit.c:780) [ 9.811892][ T185] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.811895][ T185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.811899][ T185] do_group_exit (kernel/exit.c:1151) [ 9.811903][ T185] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.811905][ T185] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.811907][ T185] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.811911][ T185] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.811915][ T185] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.811917][ T185] RIP: 0033:0x7f76160541b8 [ 9.811920][ T185] Code: Unable to access opcode bytes at 0x7f761605418e. Code starting with the faulting instruction =========================================== [ 9.811921][ T185] RSP: 002b:00007ffdf801ea88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.811923][ T185] RAX: ffffffffffffffda RBX: 00007f7616184f88 RCX: 00007f76160541b8 [ 9.811924][ T185] RDX: 00007f7615d9efc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.811925][ T185] RBP: 00007ffdf801eae0 R08: 0000000000000000 R09: 0000000000000050 [ 9.811926][ T185] R10: 00007ffdf801e8a0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print