====================================== | [ 9.273329][ T183] softirqs last disabled at (35803): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.273331][ T183] Preemption disabled at: | [ 9.273332][ T183] 0x0 | [ 9.273342][ T183] Tainted: [W]=WARN [ 9.273343][ T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.273345][ T183] Call Trace: [ 9.273347][ T183] [ 9.273348][ T183] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.273355][ T183] __might_resched.cold (kernel/sched/core.c:9234) [ 9.273359][ T183] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.273363][ T183] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.273368][ T183] __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)) [ 9.273370][ T183] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.273376][ T183] ? 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) [ 9.273379][ T183] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.273383][ T183] put_chars (drivers/char/virtio_console.c:1176) [ 9.273386][ T183] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.273387][ T183] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.273392][ T183] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.273398][ T183] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.273405][ T183] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.273408][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.273410][ T183] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.273414][ T183] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.273417][ T183] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.273419][ T183] ? 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)) [ 9.273422][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.273424][ T183] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.273432][ T183] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.273436][ T183] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.273437][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.273443][ T183] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.273445][ T183] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.273447][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.273449][ T183] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.273452][ T183] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.273454][ T183] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.273457][ T183] vprintk_emit (kernel/printk/printk.c:2479) [ 9.273461][ T183] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.273464][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.273467][ T183] _printk (kernel/printk/printk.c:2504) [ 9.273471][ T183] ? snapshot_read.cold (user.c:?) [ 9.273474][ T183] ? 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) [ 9.273476][ T183] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.273480][ T183] ? 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) [ 9.273482][ T183] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.273486][ T183] ? exit_notify (kernel/exit.c:780) [ 9.273488][ T183] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.273491][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.273495][ T183] do_group_exit (kernel/exit.c:1151) [ 9.273498][ T183] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.273500][ T183] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.273502][ T183] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.273505][ T183] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.273509][ T183] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.273511][ T183] RIP: 0033:0x7f004c4661b8 [ 9.273513][ T183] Code: Unable to access opcode bytes at 0x7f004c46618e. Code starting with the faulting instruction =========================================== [ 9.273515][ T183] RSP: 002b:00007ffcd2e2a0a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.273517][ T183] RAX: ffffffffffffffda RBX: 00007f004c596f88 RCX: 00007f004c4661b8 [ 9.273518][ T183] RDX: 00007f004c3a3a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 9.273519][ T183] RBP: 00007ffcd2e2a100 R08: 0000000000000000 R09: 0000000000000000 [ 9.273520][ T183] R10: 00007ffcd2e29f40 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print