====================================== | [ 9.356855][ T134] softirqs last disabled at (41089): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.356858][ T134] Preemption disabled at: | [ 9.356859][ T134] 0x0 | [ 9.356869][ T134] Tainted: [W]=WARN [ 9.356870][ T134] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.356873][ T134] Call Trace: [ 9.356874][ T134] [ 9.356876][ T134] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.356882][ T134] __might_resched.cold (kernel/sched/core.c:9234) [ 9.356887][ T134] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.356891][ T134] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.356896][ T134] __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)) [ 9.356899][ T134] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.356906][ T134] ? 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) [ 9.356908][ T134] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.356912][ T134] put_chars (drivers/char/virtio_console.c:1176) [ 9.356916][ T134] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.356918][ T134] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.356922][ T134] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.356928][ T134] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.356936][ T134] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.356939][ T134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.356941][ T134] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.356946][ T134] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.356950][ T134] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.356952][ T134] ? 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)) [ 9.356955][ T134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.356958][ T134] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.356962][ T134] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.356967][ T134] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.356968][ T134] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.356974][ T134] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.356977][ T134] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.356979][ T134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.356981][ T134] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.356985][ T134] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.356987][ T134] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.356990][ T134] vprintk_emit (kernel/printk/printk.c:2479) [ 9.356994][ T134] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.356997][ T134] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.357001][ T134] _printk (kernel/printk/printk.c:2504) [ 9.357005][ T134] ? snapshot_read.cold (user.c:?) [ 9.357008][ T134] ? 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) [ 9.357010][ T134] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.357014][ T134] ? 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) [ 9.357017][ T134] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.357020][ T134] ? exit_notify (kernel/exit.c:780) [ 9.357022][ T134] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.357025][ T134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.357029][ T134] do_group_exit (kernel/exit.c:1151) [ 9.357032][ T134] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.357035][ T134] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.357037][ T134] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.357041][ T134] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.357044][ T134] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.357047][ T134] RIP: 0033:0x7f1c7b9881b8 [ 9.357049][ T134] Code: Unable to access opcode bytes at 0x7f1c7b98818e. Code starting with the faulting instruction =========================================== [ 9.357050][ T134] RSP: 002b:00007ffebe696d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.357053][ T134] RAX: ffffffffffffffda RBX: 00007f1c7b3dd000 RCX: 00007f1c7b9881b8 [ 9.357054][ T134] RDX: 00007f1c7b3f0000 RSI: ffffffffffffff60 RDI: 0000000000000000 [ 9.357055][ T134] RBP: 00007f1c7b3dd030 R08: 00007f1c7ba2bb00 R09: 0000000000000000 [ 9.357056][ T134] R10: 0000000000000018 R11: 0000000000000246 R12: 00007f1c7b356800 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print