====================================== | [ 11.395876][ T219] softirqs last disabled at (22157): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.395878][ T219] Preemption disabled at: | [ 11.395879][ T219] 0x0 | [ 11.395889][ T219] Tainted: [W]=WARN [ 11.395890][ T219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.395892][ T219] Call Trace: [ 11.395893][ T219] [ 11.395895][ T219] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.395902][ T219] __might_resched.cold (kernel/sched/core.c:9234) [ 11.395906][ T219] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.395910][ T219] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.395915][ T219] __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)) [ 11.395917][ T219] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.395923][ T219] ? 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) [ 11.395926][ T219] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.395930][ T219] put_chars (drivers/char/virtio_console.c:1176) [ 11.395933][ T219] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.395934][ T219] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.395937][ T219] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.395943][ T219] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.395951][ T219] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.395953][ T219] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.395955][ T219] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.395959][ T219] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.395963][ T219] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.395965][ T219] ? 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)) [ 11.395968][ T219] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.395970][ T219] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.395974][ T219] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.395978][ T219] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.395980][ T219] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.395985][ T219] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.395988][ T219] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.395990][ T219] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.395991][ T219] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 11.395995][ T219] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.395997][ T219] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.395999][ T219] vprintk_emit (kernel/printk/printk.c:2479) [ 11.396002][ T219] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.396005][ T219] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.396009][ T219] _printk (kernel/printk/printk.c:2504) [ 11.396013][ T219] ? snapshot_read.cold (user.c:?) [ 11.396015][ T219] ? 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) [ 11.396018][ T219] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.396022][ T219] ? 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) [ 11.396024][ T219] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.396028][ T219] ? exit_notify (kernel/exit.c:780) [ 11.396029][ T219] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.396032][ T219] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.396036][ T219] do_group_exit (kernel/exit.c:1151) [ 11.396038][ T219] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.396040][ T219] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.396043][ T219] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.396046][ T219] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.396049][ T219] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.396052][ T219] RIP: 0033:0x7f4746cc71b8 [ 11.396054][ T219] Code: Unable to access opcode bytes at 0x7f4746cc718e. Code starting with the faulting instruction =========================================== [ 11.396055][ T219] RSP: 002b:00007ffd22e43b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.396057][ T219] RAX: ffffffffffffffda RBX: 00007f4746df7f88 RCX: 00007f4746cc71b8 [ 11.396059][ T219] RDX: 00007f4746a11fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.396060][ T219] RBP: 00007ffd22e43bd0 R08: 0000000000000000 R09: 0000000000000050 [ 11.396061][ T219] R10: 00007ffd22e43990 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print