====================================== | [ 10.541190][ T230] softirqs last disabled at (27559): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.541193][ T230] Preemption disabled at: | [ 10.541194][ T230] 0x0 | [ 10.541210][ T230] Tainted: [W]=WARN [ 10.541211][ T230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.541213][ T230] Call Trace: [ 10.541214][ T230] [ 10.541216][ T230] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.541221][ T230] __might_resched.cold (kernel/sched/core.c:9234) [ 10.541226][ T230] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.541229][ T230] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.541236][ T230] __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)) [ 10.541239][ T230] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.541247][ T230] ? 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) [ 10.541250][ T230] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.541254][ T230] put_chars (drivers/char/virtio_console.c:1176) [ 10.541257][ T230] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.541259][ T230] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.541263][ T230] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.541268][ T230] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.541275][ T230] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.541277][ T230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.541279][ T230] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.541284][ T230] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.541287][ T230] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.541288][ T230] ? 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)) [ 10.541291][ T230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.541293][ T230] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.541297][ T230] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.541301][ T230] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.541303][ T230] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.541308][ T230] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.541310][ T230] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.541312][ T230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.541314][ T230] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.541317][ T230] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.541319][ T230] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.541322][ T230] vprintk_emit (kernel/printk/printk.c:2479) [ 10.541325][ T230] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.541328][ T230] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.541332][ T230] _printk (kernel/printk/printk.c:2504) [ 10.541336][ T230] ? snapshot_read.cold (user.c:?) [ 10.541339][ T230] ? 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) [ 10.541341][ T230] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.541346][ T230] ? 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) [ 10.541348][ T230] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.541352][ T230] ? exit_notify (kernel/exit.c:780) [ 10.541354][ T230] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.541357][ T230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.541360][ T230] do_group_exit (kernel/exit.c:1151) [ 10.541363][ T230] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.541365][ T230] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.541368][ T230] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.541372][ T230] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.541376][ T230] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.541378][ T230] RIP: 0033:0x7f8bbe7c61b8 [ 10.541380][ T230] Code: Unable to access opcode bytes at 0x7f8bbe7c618e. Code starting with the faulting instruction =========================================== [ 10.541381][ T230] RSP: 002b:00007ffc54cce058 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.541384][ T230] RAX: ffffffffffffffda RBX: 00007f8bbe8f6f88 RCX: 00007f8bbe7c61b8 [ 10.541385][ T230] RDX: 00007f8bbe511588 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.541386][ T230] RBP: 00007ffc54cce0b0 R08: 0000000000000000 R09: 0000000000000000 [ 10.541387][ T230] R10: 00007ffc54ccde50 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print