====================================== | [ 9.373406][ T130] softirqs last disabled at (19439): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.373408][ T130] Preemption disabled at: | [ 9.373409][ T130] 0x0 | [ 9.373420][ T130] Tainted: [W]=WARN [ 9.373421][ T130] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.373423][ T130] Call Trace: [ 9.373425][ T130] [ 9.373426][ T130] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.373432][ T130] __might_resched.cold (kernel/sched/core.c:9234) [ 9.373437][ T130] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.373441][ T130] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.373446][ T130] __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)) [ 9.373448][ T130] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.373454][ T130] ? 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) [ 9.373457][ T130] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.373460][ T130] put_chars (drivers/char/virtio_console.c:1176) [ 9.373464][ T130] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.373465][ T130] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.373470][ T130] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.373475][ T130] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.373482][ T130] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.373485][ T130] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.373487][ T130] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.373491][ T130] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.373495][ T130] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.373496][ T130] ? 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)) [ 9.373499][ T130] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.373501][ T130] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.373505][ T130] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.373509][ T130] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.373510][ T130] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.373515][ T130] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.373518][ T130] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.373520][ T130] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.373522][ T130] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.373525][ T130] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.373527][ T130] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.373530][ T130] vprintk_emit (kernel/printk/printk.c:2479) [ 9.373533][ T130] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.373536][ T130] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.373540][ T130] _printk (kernel/printk/printk.c:2504) [ 9.373544][ T130] ? snapshot_read.cold (user.c:?) [ 9.373547][ T130] ? 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) [ 9.373549][ T130] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.373552][ T130] ? 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) [ 9.373555][ T130] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.373559][ T130] ? exit_notify (kernel/exit.c:780) [ 9.373561][ T130] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.373563][ T130] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.373567][ T130] do_group_exit (kernel/exit.c:1151) [ 9.373570][ T130] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.373573][ T130] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.373574][ T130] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.373578][ T130] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.373581][ T130] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.373583][ T130] RIP: 0033:0x7f61cf6191b8 [ 9.373586][ T130] Code: Unable to access opcode bytes at 0x7f61cf61918e. Code starting with the faulting instruction =========================================== [ 9.373587][ T130] RSP: 002b:00007ffdce2673b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.373589][ T130] RAX: ffffffffffffffda RBX: 00007f61cf749f88 RCX: 00007f61cf6191b8 [ 9.373591][ T130] RDX: 00007f61cf476b48 RSI: fffffffffffffec8 RDI: 0000000000000000 [ 9.373592][ T130] RBP: 00007ffdce267410 R08: 00000000ffffffff R09: 0000000000001010 [ 9.373593][ T130] R10: 00007ffdce267230 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print