====================================== | [ 9.448527][ T146] softirqs last disabled at (20399): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.448529][ T146] Preemption disabled at: | [ 9.448530][ T146] 0x0 | [ 9.448540][ T146] Tainted: [W]=WARN [ 9.448541][ T146] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.448543][ T146] Call Trace: [ 9.448545][ T146] [ 9.448546][ T146] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.448552][ T146] __might_resched.cold (kernel/sched/core.c:9234) [ 9.448557][ T146] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.448560][ T146] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.448566][ T146] __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)) [ 9.448568][ T146] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.448574][ T146] ? 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) [ 9.448577][ T146] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.448581][ T146] put_chars (drivers/char/virtio_console.c:1176) [ 9.448583][ T146] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.448585][ T146] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.448589][ T146] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.448595][ T146] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.448602][ T146] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.448604][ T146] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.448606][ T146] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.448610][ T146] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.448614][ T146] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.448615][ T146] ? 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)) [ 9.448617][ T146] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.448619][ T146] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.448623][ T146] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.448627][ T146] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.448628][ T146] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.448633][ T146] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.448636][ T146] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.448637][ T146] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.448639][ T146] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.448643][ T146] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.448644][ T146] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.448647][ T146] vprintk_emit (kernel/printk/printk.c:2479) [ 9.448650][ T146] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.448653][ T146] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.448657][ T146] _printk (kernel/printk/printk.c:2504) [ 9.448661][ T146] ? snapshot_read.cold (user.c:?) [ 9.448664][ T146] ? 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) [ 9.448667][ T146] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.448670][ T146] ? 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) [ 9.448673][ T146] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.448677][ T146] ? exit_notify (kernel/exit.c:780) [ 9.448678][ T146] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.448681][ T146] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.448685][ T146] do_group_exit (kernel/exit.c:1151) [ 9.448688][ T146] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.448690][ T146] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.448692][ T146] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.448696][ T146] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.448700][ T146] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.448702][ T146] RIP: 0033:0x7f46abab11b8 [ 9.448704][ T146] Code: Unable to access opcode bytes at 0x7f46abab118e. Code starting with the faulting instruction =========================================== [ 9.448705][ T146] RSP: 002b:00007fffa8d71c58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.448707][ T146] RAX: ffffffffffffffda RBX: 00007f46abbe1f88 RCX: 00007f46abab11b8 [ 9.448709][ T146] RDX: 00007f46ab9eea48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 9.448710][ T146] RBP: 00007fffa8d71cb0 R08: 0000000000000000 R09: 0000000000001010 [ 9.448711][ T146] R10: 00007fffa8d71b10 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print