====================================== | [ 8.846604][ T131] softirqs last disabled at (13945): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 8.846607][ T131] Preemption disabled at: | [ 8.846608][ T131] 0x0 | [ 8.846620][ T131] Tainted: [W]=WARN [ 8.846621][ T131] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.846623][ T131] Call Trace: [ 8.846625][ T131] [ 8.846627][ T131] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.846633][ T131] __might_resched.cold (kernel/sched/core.c:9234) [ 8.846638][ T131] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.846642][ T131] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.846649][ T131] __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)) [ 8.846652][ T131] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.846659][ T131] ? 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) [ 8.846663][ T131] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.846667][ T131] put_chars (drivers/char/virtio_console.c:1176) [ 8.846671][ T131] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.846673][ T131] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 8.846678][ T131] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.846686][ T131] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.846695][ T131] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.846698][ T131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.846701][ T131] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.846707][ T131] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.846711][ T131] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.846713][ T131] ? 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)) [ 8.846717][ T131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.846719][ T131] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.846725][ T131] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.846730][ T131] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.846732][ T131] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.846740][ T131] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.846743][ T131] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.846745][ T131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.846748][ T131] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.846753][ T131] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.846755][ T131] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.846760][ T131] vprintk_emit (kernel/printk/printk.c:2479) [ 8.846764][ T131] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.846768][ T131] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.846774][ T131] _printk (kernel/printk/printk.c:2504) [ 8.846778][ T131] ? snapshot_read.cold (user.c:?) [ 8.846782][ T131] ? 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) [ 8.846786][ T131] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.846791][ T131] ? 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) [ 8.846795][ T131] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 8.846800][ T131] ? exit_notify (kernel/exit.c:780) [ 8.846801][ T131] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.846806][ T131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.846811][ T131] do_group_exit (kernel/exit.c:1151) [ 8.846815][ T131] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 8.846818][ T131] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 8.846821][ T131] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.846825][ T131] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.846829][ T131] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.846832][ T131] RIP: 0033:0x7f47d2faa1b8 [ 8.846835][ T131] Code: Unable to access opcode bytes at 0x7f47d2faa18e. Code starting with the faulting instruction =========================================== [ 8.846836][ T131] RSP: 002b:00007ffe8080dd78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.846839][ T131] RAX: ffffffffffffffda RBX: 00007f47d30daf88 RCX: 00007f47d2faa1b8 [ 8.846840][ T131] RDX: 00007f47d2e07b48 RSI: fffffffffffffec8 RDI: 0000000000000000 [ 8.846841][ T131] RBP: 00007ffe8080ddd0 R08: 00000000ffffffff R09: 0000000000001010 [ 8.846843][ T131] R10: 00007ffe8080dbf0 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print