====================================== | [ 34.294252][ T167] softirqs last disabled at (12751235): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 34.294254][ T167] Preemption disabled at: | [ 34.294255][ T167] 0x0 | [ 34.294265][ T167] Tainted: [W]=WARN [ 34.294266][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.294269][ T167] Call Trace: [ 34.294270][ T167] [ 34.294272][ T167] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.294278][ T167] __might_resched.cold (kernel/sched/core.c:9234) [ 34.294283][ T167] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.294287][ T167] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 34.294292][ T167] __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)) [ 34.294294][ T167] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.294299][ T167] ? 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) [ 34.294302][ T167] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.294305][ T167] put_chars (drivers/char/virtio_console.c:1176) [ 34.294308][ T167] ? __send_to_port (drivers/char/virtio_console.c:654) [ 34.294310][ T167] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 34.294315][ T167] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 34.294320][ T167] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 34.294326][ T167] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 34.294328][ T167] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.294331][ T167] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.294335][ T167] console_emit_next_record (kernel/printk/printk.c:3183) [ 34.294339][ T167] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.294340][ T167] ? 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)) [ 34.294343][ T167] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.294346][ T167] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.294350][ T167] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.294354][ T167] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.294355][ T167] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.294360][ T167] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.294363][ T167] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.294365][ T167] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.294367][ T167] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 34.294371][ T167] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.294373][ T167] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.294376][ T167] vprintk_emit (kernel/printk/printk.c:2479) [ 34.294380][ T167] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.294383][ T167] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.294386][ T167] _printk (kernel/printk/printk.c:2504) [ 34.294390][ T167] ? snapshot_read.cold (user.c:?) [ 34.294393][ T167] ? 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) [ 34.294395][ T167] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 34.294399][ T167] ? 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) [ 34.294402][ T167] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 34.294405][ T167] ? exit_notify (kernel/exit.c:780) [ 34.294406][ T167] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.294409][ T167] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.294413][ T167] do_group_exit (kernel/exit.c:1151) [ 34.294416][ T167] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 34.294418][ T167] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 34.294420][ T167] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 34.294424][ T167] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 34.294427][ T167] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 34.294429][ T167] RIP: 0033:0x7fc8655081b8 [ 34.294432][ T167] Code: Unable to access opcode bytes at 0x7fc86550818e. Code starting with the faulting instruction =========================================== [ 34.294433][ T167] RSP: 002b:00007ffe3c20a148 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 34.294435][ T167] RAX: ffffffffffffffda RBX: 00007fc865638f88 RCX: 00007fc8655081b8 [ 34.294436][ T167] RDX: 00007fc865446ec8 RSI: ffffffffffffff90 RDI: 0000000000000000 [ 34.294437][ T167] RBP: 00007ffe3c20a1a0 R08: 0000000000000000 R09: 0000000000000000 [ 34.294438][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000415de0 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print