====================================== | [ 13.359881][ T231] softirqs last disabled at (38131): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.359883][ T231] Preemption disabled at: | [ 13.359883][ T231] 0x0 | [ 13.359894][ T231] Tainted: [W]=WARN [ 13.359895][ T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.359897][ T231] Call Trace: [ 13.359898][ T231] [ 13.359899][ T231] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.359906][ T231] __might_resched.cold (kernel/sched/core.c:9234) [ 13.359910][ T231] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.359914][ T231] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.359919][ T231] __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)) [ 13.359922][ T231] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.359928][ T231] ? 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) [ 13.359939][ T231] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.359942][ T231] put_chars (drivers/char/virtio_console.c:1176) [ 13.359946][ T231] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.359948][ T231] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 13.359951][ T231] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.359954][ T231] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.359958][ T231] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.359962][ T231] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.359964][ T231] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.359969][ T231] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.359972][ T231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.359976][ T231] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.359980][ T231] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.359984][ T231] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.359989][ T231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.359992][ T231] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.359996][ T231] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.360000][ T231] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.360002][ T231] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.360008][ T231] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.360011][ T231] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.360013][ T231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.360015][ T231] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18)) [ 13.360019][ T231] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.360021][ T231] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.360025][ T231] vprintk_emit (kernel/printk/printk.c:2479) [ 13.360028][ T231] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.360032][ T231] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.360036][ T231] _printk (kernel/printk/printk.c:2504) [ 13.360039][ T231] ? snapshot_read.cold (user.c:?) [ 13.360042][ T231] ? 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) [ 13.360045][ T231] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.360049][ T231] ? 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) [ 13.360052][ T231] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.360056][ T231] ? exit_notify (kernel/exit.c:780) [ 13.360058][ T231] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.360061][ T231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.360065][ T231] do_group_exit (kernel/exit.c:1151) [ 13.360072][ T231] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.360074][ T231] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.360076][ T231] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.360080][ T231] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.360084][ T231] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.360086][ T231] RIP: 0033:0x7f3a10dc91b8 [ 13.360089][ T231] Code: Unable to access opcode bytes at 0x7f3a10dc918e. Code starting with the faulting instruction =========================================== [ 13.360090][ T231] RSP: 002b:00007ffef159c398 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.360092][ T231] RAX: ffffffffffffffda RBX: 00007f3a10ef9f88 RCX: 00007f3a10dc91b8 [ 13.360094][ T231] RDX: 00007f3a10b13fc8 RSI: fffffffffffffeb8 RDI: 0000000000000002 [ 13.360095][ T231] RBP: 00007ffef159c3f0 R08: 0000000000000000 R09: 0000000000008010 [ 13.360096][ T231] R10: 00007ffef159c1b0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print