====================================== | [ 12.118141][ T231] softirqs last disabled at (4274325): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.118144][ T231] Preemption disabled at: | [ 12.118144][ T231] 0x0 | [ 12.118155][ T231] Tainted: [W]=WARN [ 12.118156][ T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.118157][ T231] Call Trace: [ 12.118159][ T231] [ 12.118160][ T231] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.118166][ T231] __might_resched.cold (kernel/sched/core.c:9234) [ 12.118170][ T231] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.118173][ T231] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.118178][ T231] __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)) [ 12.118181][ T231] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.118187][ T231] ? 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) [ 12.118190][ T231] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.118193][ T231] put_chars (drivers/char/virtio_console.c:1176) [ 12.118196][ T231] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.118198][ T231] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.118202][ T231] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.118208][ T231] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.118214][ T231] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.118216][ T231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.118218][ T231] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.118223][ T231] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.118226][ T231] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.118227][ T231] ? 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)) [ 12.118230][ T231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.118232][ T231] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.118236][ T231] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.118239][ T231] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.118241][ T231] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.118246][ T231] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.118248][ T231] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.118250][ T231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.118252][ T231] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.118255][ T231] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.118257][ T231] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.118260][ T231] vprintk_emit (kernel/printk/printk.c:2479) [ 12.118263][ T231] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.118266][ T231] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.118270][ T231] _printk (kernel/printk/printk.c:2504) [ 12.118274][ T231] ? snapshot_read.cold (user.c:?) [ 12.118277][ T231] ? 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) [ 12.118280][ T231] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.118284][ T231] ? 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) [ 12.118287][ T231] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.118290][ T231] ? exit_notify (kernel/exit.c:780) [ 12.118292][ T231] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.118295][ T231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.118299][ T231] do_group_exit (kernel/exit.c:1151) [ 12.118302][ T231] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.118304][ T231] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.118306][ T231] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.118310][ T231] ? irq_exit_rcu (kernel/softirq.c:786) [ 12.118313][ T231] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.118315][ T231] RIP: 0033:0x479678 [ 12.118318][ T231] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 12.118319][ T231] RSP: 002b:00007ffd0616df78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.118321][ T231] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 12.118323][ T231] RDX: 0000000025929708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 12.118324][ T231] RBP: 00007ffd0616dfd0 R08: 0000000000000000 R09: 000000002592a3e0 [ 12.118325][ T231] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffd0616e108 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print