====================================== | [ 13.096453][ T266] softirqs last disabled at (26749): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.096456][ T266] Preemption disabled at: | [ 13.096457][ T266] 0x0 | [ 13.096467][ T266] Tainted: [W]=WARN [ 13.096468][ T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.096469][ T266] Call Trace: [ 13.096471][ T266] [ 13.096473][ T266] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.096478][ T266] __might_resched.cold (kernel/sched/core.c:9234) [ 13.096483][ T266] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.096486][ T266] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.096491][ T266] __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)) [ 13.096493][ T266] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.096499][ T266] ? 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) [ 13.096502][ T266] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.096505][ T266] put_chars (drivers/char/virtio_console.c:1176) [ 13.096508][ T266] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.096510][ T266] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.096514][ T266] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.096519][ T266] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.096526][ T266] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.096528][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.096530][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.096535][ T266] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.096540][ T266] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.096542][ T266] ? 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)) [ 13.096546][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.096549][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.096555][ T266] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.096561][ T266] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.096563][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.096569][ T266] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.096577][ T266] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.096579][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.096580][ T266] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.096584][ T266] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.096586][ T266] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.096589][ T266] vprintk_emit (kernel/printk/printk.c:2479) [ 13.096592][ T266] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.096595][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.096599][ T266] _printk (kernel/printk/printk.c:2504) [ 13.096603][ T266] ? snapshot_read.cold (user.c:?) [ 13.096605][ T266] ? 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) [ 13.096608][ T266] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.096612][ T266] ? 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) [ 13.096615][ T266] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.096618][ T266] ? exit_notify (kernel/exit.c:780) [ 13.096620][ T266] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.096623][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.096626][ T266] do_group_exit (kernel/exit.c:1151) [ 13.096629][ T266] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.096631][ T266] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.096634][ T266] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.096638][ T266] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.096640][ T266] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.096643][ T266] RIP: 0033:0x7ff5a99491b8 [ 13.096645][ T266] Code: Unable to access opcode bytes at 0x7ff5a994918e. Code starting with the faulting instruction =========================================== [ 13.096646][ T266] RSP: 002b:00007ffc0c0d5458 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.096649][ T266] RAX: ffffffffffffffda RBX: 00007ff5a9a79f88 RCX: 00007ff5a99491b8 [ 13.096650][ T266] RDX: 00007ff5a9694588 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 13.096651][ T266] RBP: 00007ffc0c0d54b0 R08: 0000000000000000 R09: 0000000000000000 [ 13.096652][ T266] R10: 00007ffc0c0d5250 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print