====================================== | [ 12.633481][ T316] softirqs last disabled at (27335): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.633484][ T316] Preemption disabled at: | [ 12.633485][ T316] 0x0 | [ 12.633494][ T316] Tainted: [W]=WARN [ 12.633495][ T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.633497][ T316] Call Trace: [ 12.633498][ T316] [ 12.633500][ T316] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.633506][ T316] __might_resched.cold (kernel/sched/core.c:9234) [ 12.633511][ T316] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.633515][ T316] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.633520][ T316] __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)) [ 12.633522][ T316] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.633529][ T316] ? 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) [ 12.633532][ T316] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.633536][ T316] put_chars (drivers/char/virtio_console.c:1176) [ 12.633538][ T316] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.633539][ T316] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.633543][ T316] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.633549][ T316] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.633557][ T316] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.633559][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.633562][ T316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.633566][ T316] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.633570][ T316] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.633572][ T316] ? 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)) [ 12.633575][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.633577][ T316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.633581][ T316] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.633585][ T316] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.633587][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.633593][ T316] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.633596][ T316] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.633598][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.633600][ T316] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 12.633604][ T316] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.633605][ T316] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.633608][ T316] vprintk_emit (kernel/printk/printk.c:2479) [ 12.633611][ T316] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.633614][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.633618][ T316] _printk (kernel/printk/printk.c:2504) [ 12.633622][ T316] ? snapshot_read.cold (user.c:?) [ 12.633625][ T316] ? 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) [ 12.633628][ T316] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.633632][ T316] ? 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) [ 12.633635][ T316] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.633639][ T316] ? exit_notify (kernel/exit.c:780) [ 12.633640][ T316] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.633643][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.633647][ T316] do_group_exit (kernel/exit.c:1151) [ 12.633650][ T316] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.633652][ T316] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.633654][ T316] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.633658][ T316] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.633662][ T316] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.633664][ T316] RIP: 0033:0x7f75a33631b8 [ 12.633666][ T316] Code: Unable to access opcode bytes at 0x7f75a336318e. Code starting with the faulting instruction =========================================== [ 12.633667][ T316] RSP: 002b:00007ffc4fe77e78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.633670][ T316] RAX: ffffffffffffffda RBX: 00007f75a3493f88 RCX: 00007f75a33631b8 [ 12.633671][ T316] RDX: 00007f75a30adfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 12.633672][ T316] RBP: 00007ffc4fe77ed0 R08: 0000000000000000 R09: 0000000000000050 [ 12.633673][ T316] R10: 00007ffc4fe77c90 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print