====================================== | [ 8.974833][ T135] softirqs last disabled at (28563): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 8.974836][ T135] Preemption disabled at: | [ 8.974836][ T135] 0x0 | [ 8.974846][ T135] Tainted: [W]=WARN [ 8.974847][ T135] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.974849][ T135] Call Trace: [ 8.974850][ T135] [ 8.974852][ T135] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.974858][ T135] __might_resched.cold (kernel/sched/core.c:9234) [ 8.974862][ T135] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.974866][ T135] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.974871][ T135] __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)) [ 8.974873][ T135] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.974880][ T135] ? 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) [ 8.974883][ T135] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.974886][ T135] put_chars (drivers/char/virtio_console.c:1176) [ 8.974889][ T135] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.974891][ T135] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 8.974896][ T135] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.974901][ T135] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.974908][ T135] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.974910][ T135] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.974913][ T135] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.974916][ T135] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.974920][ T135] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.974922][ T135] ? 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)) [ 8.974925][ T135] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.974927][ T135] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.974930][ T135] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.974934][ T135] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.974936][ T135] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.974941][ T135] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.974943][ T135] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.974945][ T135] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.974947][ T135] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.974951][ T135] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.974952][ T135] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.974955][ T135] vprintk_emit (kernel/printk/printk.c:2479) [ 8.974959][ T135] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.974962][ T135] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.974965][ T135] _printk (kernel/printk/printk.c:2504) [ 8.974969][ T135] ? snapshot_read.cold (user.c:?) [ 8.974972][ T135] ? 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) [ 8.974974][ T135] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.974978][ T135] ? 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) [ 8.974980][ T135] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 8.974984][ T135] ? exit_notify (kernel/exit.c:780) [ 8.974986][ T135] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.974988][ T135] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.974992][ T135] do_group_exit (kernel/exit.c:1151) [ 8.974996][ T135] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 8.974998][ T135] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 8.975000][ T135] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.975004][ T135] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.975007][ T135] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.975009][ T135] RIP: 0033:0x7f09f953d1b8 [ 8.975012][ T135] Code: Unable to access opcode bytes at 0x7f09f953d18e. Code starting with the faulting instruction =========================================== [ 8.975013][ T135] RSP: 002b:00007ffea43ad4a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.975015][ T135] RAX: ffffffffffffffda RBX: 00007f09f9092000 RCX: 00007f09f953d1b8 [ 8.975017][ T135] RDX: 00007f09f90ab000 RSI: ffffffffffffff60 RDI: 0000000000000000 [ 8.975018][ T135] RBP: 00007f09f9092030 R08: 00007f09f95e0b00 R09: 0000000000000000 [ 8.975019][ T135] R10: 0000000000000018 R11: 0000000000000246 R12: 00007f09f900b800 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print