====================================== | [ 9.538731][ T133] softirqs last disabled at (21647): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.538734][ T133] Preemption disabled at: | [ 9.538735][ T133] 0x0 | [ 9.538745][ T133] Tainted: [W]=WARN [ 9.538746][ T133] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.538748][ T133] Call Trace: [ 9.538750][ T133] [ 9.538751][ T133] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.538757][ T133] __might_resched.cold (kernel/sched/core.c:9234) [ 9.538762][ T133] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.538766][ T133] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.538771][ T133] __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)) [ 9.538773][ T133] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.538780][ T133] ? 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) [ 9.538782][ T133] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.538786][ T133] put_chars (drivers/char/virtio_console.c:1176) [ 9.538789][ T133] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.538791][ T133] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.538795][ T133] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.538800][ T133] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.538807][ T133] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.538810][ T133] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.538812][ T133] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.538816][ T133] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.538820][ T133] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.538821][ T133] ? 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)) [ 9.538824][ T133] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.538826][ T133] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.538830][ T133] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.538834][ T133] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.538835][ T133] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.538840][ T133] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.538843][ T133] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.538845][ T133] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.538847][ T133] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.538850][ T133] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.538851][ T133] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.538855][ T133] vprintk_emit (kernel/printk/printk.c:2479) [ 9.538858][ T133] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.538861][ T133] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.538865][ T133] _printk (kernel/printk/printk.c:2504) [ 9.538868][ T133] ? snapshot_read.cold (user.c:?) [ 9.538871][ T133] ? 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) [ 9.538873][ T133] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.538877][ T133] ? 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) [ 9.538879][ T133] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.538883][ T133] ? exit_notify (kernel/exit.c:780) [ 9.538885][ T133] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.538888][ T133] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.538891][ T133] do_group_exit (kernel/exit.c:1151) [ 9.538895][ T133] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.538897][ T133] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.538899][ T133] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.538903][ T133] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.538906][ T133] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.538909][ T133] RIP: 0033:0x7ffa0cf6a1b8 [ 9.538911][ T133] Code: Unable to access opcode bytes at 0x7ffa0cf6a18e. Code starting with the faulting instruction =========================================== [ 9.538912][ T133] RSP: 002b:00007ffd814902d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.538915][ T133] RAX: ffffffffffffffda RBX: 00007bfa0b1d0030 RCX: 00007ffa0cf6a1b8 [ 9.538916][ T133] RDX: 00007ffa0c9d4000 RSI: ffffffffffffff60 RDI: 0000000000000000 [ 9.538917][ T133] RBP: 00007ffa0c97b800 R08: 00007ffa0d00db00 R09: 0000000000000000 [ 9.538918][ T133] R10: 0000000000000018 R11: 0000000000000246 R12: 00007c2a0c3e0130 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print