====================================== | [ 10.012756][ T189] softirqs last disabled at (39283): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.012758][ T189] Preemption disabled at: | [ 10.012759][ T189] 0x0 | [ 10.012770][ T189] Tainted: [W]=WARN [ 10.012771][ T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.012773][ T189] Call Trace: [ 10.012775][ T189] [ 10.012776][ T189] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.012783][ T189] __might_resched.cold (kernel/sched/core.c:9234) [ 10.012788][ T189] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.012793][ T189] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.012798][ T189] __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)) [ 10.012800][ T189] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.012807][ T189] ? 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) [ 10.012809][ T189] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.012813][ T189] put_chars (drivers/char/virtio_console.c:1176) [ 10.012816][ T189] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.012817][ T189] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.012822][ T189] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.012828][ T189] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.012834][ T189] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.012837][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.012839][ T189] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.012843][ T189] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.012847][ T189] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.012849][ T189] ? 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)) [ 10.012853][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.012855][ T189] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.012859][ T189] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.012863][ T189] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.012865][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.012871][ T189] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.012874][ T189] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.012876][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.012878][ T189] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.012882][ T189] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.012884][ T189] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.012894][ T189] vprintk_emit (kernel/printk/printk.c:2479) [ 10.012898][ T189] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.012902][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.012906][ T189] _printk (kernel/printk/printk.c:2504) [ 10.012910][ T189] ? snapshot_read.cold (user.c:?) [ 10.012913][ T189] ? 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) [ 10.012915][ T189] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.012919][ T189] ? 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) [ 10.012922][ T189] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.012926][ T189] ? exit_notify (kernel/exit.c:780) [ 10.012928][ T189] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.012931][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.012935][ T189] do_group_exit (kernel/exit.c:1151) [ 10.012939][ T189] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.012940][ T189] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.012943][ T189] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.012946][ T189] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.012950][ T189] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.012952][ T189] RIP: 0033:0x7fcde75ca1b8 [ 10.012954][ T189] Code: Unable to access opcode bytes at 0x7fcde75ca18e. Code starting with the faulting instruction =========================================== [ 10.012956][ T189] RSP: 002b:00007fffae79ca78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.012958][ T189] RAX: ffffffffffffffda RBX: 00007fcde76faf88 RCX: 00007fcde75ca1b8 [ 10.012960][ T189] RDX: 00007fcde7505a88 RSI: ffffffffffffffa8 RDI: 0000000000000000 [ 10.012961][ T189] RBP: 00007fffae79cad0 R08: 0000000000000000 R09: 00000000000000a0 [ 10.012962][ T189] R10: 00007fffae79c8d0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print