====================================== | [ 8.843021][ T162] softirqs last disabled at (11047): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 8.843023][ T162] Preemption disabled at: | [ 8.843024][ T162] 0x0 | [ 8.843035][ T162] Tainted: [W]=WARN [ 8.843036][ T162] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.843038][ T162] Call Trace: [ 8.843039][ T162] [ 8.843041][ T162] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.843046][ T162] __might_resched.cold (kernel/sched/core.c:9234) [ 8.843051][ T162] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.843054][ T162] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.843060][ T162] __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)) [ 8.843062][ T162] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.843069][ T162] ? 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) [ 8.843072][ T162] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.843075][ T162] put_chars (drivers/char/virtio_console.c:1176) [ 8.843078][ T162] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.843080][ T162] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 8.843084][ T162] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.843089][ T162] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.843097][ T162] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.843099][ T162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.843101][ T162] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.843106][ T162] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.843109][ T162] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.843110][ T162] ? 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)) [ 8.843113][ T162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.843115][ T162] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.843119][ T162] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.843123][ T162] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.843124][ T162] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.843130][ T162] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.843133][ T162] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.843134][ T162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.843136][ T162] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.843140][ T162] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.843142][ T162] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.843145][ T162] vprintk_emit (kernel/printk/printk.c:2479) [ 8.843149][ T162] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.843152][ T162] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.843157][ T162] _printk (kernel/printk/printk.c:2504) [ 8.843161][ T162] ? snapshot_read.cold (user.c:?) [ 8.843163][ T162] ? 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) [ 8.843166][ T162] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.843171][ T162] ? 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) [ 8.843174][ T162] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 8.843178][ T162] ? exit_notify (kernel/exit.c:780) [ 8.843179][ T162] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.843183][ T162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.843187][ T162] do_group_exit (kernel/exit.c:1151) [ 8.843190][ T162] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 8.843192][ T162] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 8.843195][ T162] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.843199][ T162] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.843202][ T162] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.843204][ T162] RIP: 0033:0x7ff5be0c71b8 [ 8.843206][ T162] Code: Unable to access opcode bytes at 0x7ff5be0c718e. Code starting with the faulting instruction =========================================== [ 8.843207][ T162] RSP: 002b:00007ffcbe82f3a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.843210][ T162] RAX: ffffffffffffffda RBX: 00007ff5be1f7f88 RCX: 00007ff5be0c71b8 [ 8.843211][ T162] RDX: 00007ff5be005e88 RSI: ffffffffffffffb0 RDI: 0000000000000001 [ 8.843212][ T162] RBP: 00007ffcbe82f400 R08: 0000000000000000 R09: 0000000000000000 [ 8.843213][ T162] R10: 00007ffcbe82f240 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print