====================================== | [ 9.815279][ T134] softirqs last disabled at (19425): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.815282][ T134] Preemption disabled at: | [ 9.815282][ T134] 0x0 | [ 9.815293][ T134] Tainted: [W]=WARN [ 9.815294][ T134] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.815296][ T134] Call Trace: [ 9.815298][ T134] [ 9.815299][ T134] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.815305][ T134] __might_resched.cold (kernel/sched/core.c:9234) [ 9.815309][ T134] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.815312][ T134] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.815318][ T134] __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)) [ 9.815320][ T134] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.815326][ T134] ? 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) [ 9.815329][ T134] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.815333][ T134] put_chars (drivers/char/virtio_console.c:1176) [ 9.815336][ T134] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.815337][ T134] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.815341][ T134] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.815347][ T134] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.815354][ T134] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.815356][ T134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.815358][ T134] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.815362][ T134] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.815366][ T134] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.815367][ T134] ? 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)) [ 9.815370][ T134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.815372][ T134] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.815376][ T134] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.815379][ T134] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.815381][ T134] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.815386][ T134] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.815389][ T134] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.815390][ T134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.815392][ T134] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.815396][ T134] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.815398][ T134] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.815401][ T134] vprintk_emit (kernel/printk/printk.c:2479) [ 9.815404][ T134] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.815407][ T134] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.815411][ T134] _printk (kernel/printk/printk.c:2504) [ 9.815414][ T134] ? snapshot_read.cold (user.c:?) [ 9.815417][ T134] ? 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) [ 9.815420][ T134] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.815424][ T134] ? 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) [ 9.815427][ T134] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.815431][ T134] ? exit_notify (kernel/exit.c:780) [ 9.815432][ T134] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.815435][ T134] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.815439][ T134] do_group_exit (kernel/exit.c:1151) [ 9.815442][ T134] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.815444][ T134] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.815447][ T134] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.815452][ T134] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.815457][ T134] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.815460][ T134] RIP: 0033:0x7f9043be31b8 [ 9.815463][ T134] Code: Unable to access opcode bytes at 0x7f9043be318e. Code starting with the faulting instruction =========================================== [ 9.815465][ T134] RSP: 002b:00007ffe1c68f1b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.815468][ T134] RAX: ffffffffffffffda RBX: 00007f9043d13f88 RCX: 00007f9043be31b8 [ 9.815469][ T134] RDX: 00007f9043b20a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 9.815470][ T134] RBP: 00007ffe1c68f210 R08: 0000000000000000 R09: 0000000000001010 [ 9.815471][ T134] R10: 00007ffe1c68f070 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print