====================================== | [ 10.418167][ T168] softirqs last disabled at (3832341): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.418170][ T168] Preemption disabled at: | [ 10.418170][ T168] 0x0 | [ 10.418182][ T168] Tainted: [W]=WARN [ 10.418183][ T168] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.418184][ T168] Call Trace: [ 10.418186][ T168] [ 10.418188][ T168] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.418193][ T168] __might_resched.cold (kernel/sched/core.c:9234) [ 10.418197][ T168] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.418201][ T168] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.418206][ T168] __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)) [ 10.418209][ T168] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.418215][ T168] ? 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) [ 10.418218][ T168] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.418222][ T168] put_chars (drivers/char/virtio_console.c:1176) [ 10.418225][ T168] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.418226][ T168] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.418230][ T168] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.418236][ T168] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.418243][ T168] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.418245][ T168] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.418247][ T168] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.418251][ T168] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.418255][ T168] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.418256][ T168] ? 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)) [ 10.418259][ T168] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.418261][ T168] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.418265][ T168] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.418269][ T168] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.418270][ T168] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.418280][ T168] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.418283][ T168] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.418284][ T168] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.418286][ T168] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.418290][ T168] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.418292][ T168] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.418295][ T168] vprintk_emit (kernel/printk/printk.c:2479) [ 10.418298][ T168] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.418299][ T168] ? 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) [ 10.418303][ T168] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.418307][ T168] _printk (kernel/printk/printk.c:2504) [ 10.418310][ T168] ? snapshot_read.cold (user.c:?) [ 10.418313][ T168] ? 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) [ 10.418316][ T168] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.418320][ T168] ? 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) [ 10.418323][ T168] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.418326][ T168] ? exit_notify (kernel/exit.c:780) [ 10.418328][ T168] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.418331][ T168] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.418335][ T168] do_group_exit (kernel/exit.c:1151) [ 10.418338][ T168] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.418340][ T168] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.418342][ T168] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.418346][ T168] ? irq_exit_rcu (kernel/softirq.c:786) [ 10.418349][ T168] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.418351][ T168] RIP: 0033:0x479678 [ 10.418354][ T168] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 10.418355][ T168] RSP: 002b:00007ffd7b83f918 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.418358][ T168] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 10.418359][ T168] RDX: 0000000017e56708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 10.418360][ T168] RBP: 00007ffd7b83f970 R08: 0000000000000000 R09: 0000000017e573e0 [ 10.418361][ T168] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffd7b83faa8 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print