====================================== | [ 11.331388][ T202] softirqs last disabled at (51315): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.331392][ T202] Preemption disabled at: | [ 11.331392][ T202] 0x0 | [ 11.331405][ T202] Tainted: [W]=WARN [ 11.331406][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.331409][ T202] Call Trace: [ 11.331411][ T202] [ 11.331413][ T202] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.331421][ T202] __might_resched.cold (kernel/sched/core.c:9234) [ 11.331427][ T202] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.331433][ T202] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.331439][ T202] __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)) [ 11.331443][ T202] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.331452][ T202] ? 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) [ 11.331455][ T202] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.331461][ T202] put_chars (drivers/char/virtio_console.c:1176) [ 11.331465][ T202] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.331467][ T202] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.331472][ T202] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.331481][ T202] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.331493][ T202] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.331497][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.331500][ T202] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.331507][ T202] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.331513][ T202] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.331516][ T202] ? 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)) [ 11.331522][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.331525][ T202] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.331532][ T202] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.331540][ T202] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.331542][ T202] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.331552][ T202] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.331556][ T202] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.331559][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.331562][ T202] ? 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) [ 11.331568][ T202] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.331571][ T202] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.331576][ T202] vprintk_emit (kernel/printk/printk.c:2479) [ 11.331581][ T202] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.331586][ T202] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.331593][ T202] _printk (kernel/printk/printk.c:2504) [ 11.331597][ T202] ? snapshot_read.cold (user.c:?) [ 11.331602][ T202] ? 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) [ 11.331606][ T202] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.331612][ T202] ? 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) [ 11.331617][ T202] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.331622][ T202] ? exit_notify (kernel/exit.c:780) [ 11.331624][ T202] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.331629][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.331635][ T202] do_group_exit (kernel/exit.c:1151) [ 11.331640][ T202] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.331643][ T202] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.331646][ T202] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.331651][ T202] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.331655][ T202] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.331659][ T202] RIP: 0033:0x7fbf821a01b8 [ 11.331662][ T202] Code: Unable to access opcode bytes at 0x7fbf821a018e. Code starting with the faulting instruction =========================================== [ 11.331663][ T202] RSP: 002b:00007ffd87cc9ef8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.331667][ T202] RAX: ffffffffffffffda RBX: 00007fbf822d0f88 RCX: 00007fbf821a01b8 [ 11.331668][ T202] RDX: 00007fbf81eeafc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.331670][ T202] RBP: 00007ffd87cc9f50 R08: 0000000000000000 R09: 0000000000008010 [ 11.331671][ T202] R10: 00007ffd87cc9d10 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print