====================================== | [ 9.199561][ T192] softirqs last disabled at (42049): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.199564][ T192] Preemption disabled at: | [ 9.199564][ T192] 0x0 | [ 9.199574][ T192] Tainted: [W]=WARN [ 9.199575][ T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.199577][ T192] Call Trace: [ 9.199579][ T192] [ 9.199580][ T192] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.199586][ T192] __might_resched.cold (kernel/sched/core.c:9234) [ 9.199591][ T192] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.199595][ T192] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.199601][ T192] __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)) [ 9.199603][ T192] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.199609][ T192] ? 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) [ 9.199611][ T192] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.199614][ T192] put_chars (drivers/char/virtio_console.c:1176) [ 9.199617][ T192] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.199618][ T192] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.199623][ T192] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.199628][ T192] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.199634][ T192] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.199636][ T192] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.199639][ T192] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.199643][ T192] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.199647][ T192] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.199648][ T192] ? 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)) [ 9.199652][ T192] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.199654][ T192] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.199658][ T192] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.199662][ T192] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.199664][ T192] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.199669][ T192] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.199671][ T192] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.199673][ T192] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.199676][ T192] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.199679][ T192] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.199681][ T192] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.199684][ T192] vprintk_emit (kernel/printk/printk.c:2479) [ 9.199688][ T192] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.199691][ T192] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.199695][ T192] _printk (kernel/printk/printk.c:2504) [ 9.199698][ T192] ? snapshot_read.cold (user.c:?) [ 9.199701][ T192] ? 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) [ 9.199704][ T192] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.199707][ T192] ? 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) [ 9.199710][ T192] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.199714][ T192] ? exit_notify (kernel/exit.c:780) [ 9.199716][ T192] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.199718][ T192] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.199722][ T192] do_group_exit (kernel/exit.c:1151) [ 9.199725][ T192] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.199727][ T192] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.199729][ T192] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.199732][ T192] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.199735][ T192] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.199737][ T192] RIP: 0033:0x7f14e04c71b8 [ 9.199739][ T192] Code: Unable to access opcode bytes at 0x7f14e04c718e. Code starting with the faulting instruction =========================================== [ 9.199741][ T192] RSP: 002b:00007ffe198e6248 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.199743][ T192] RAX: ffffffffffffffda RBX: 00007f14e05f7f88 RCX: 00007f14e04c71b8 [ 9.199744][ T192] RDX: 00007f14e0211fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.199745][ T192] RBP: 00007ffe198e62a0 R08: 0000000000000000 R09: 0000000000008010 [ 9.199746][ T192] R10: 00007ffe198e6060 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print