====================================== | [ 19.249235][ T373] softirqs last disabled at (38741): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 19.249238][ T373] Preemption disabled at: | [ 19.249239][ T373] 0x0 | [ 19.249249][ T373] Tainted: [W]=WARN [ 19.249250][ T373] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.249252][ T373] Call Trace: [ 19.249254][ T373] [ 19.249255][ T373] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.249262][ T373] __might_resched.cold (kernel/sched/core.c:9234) [ 19.249267][ T373] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.249271][ T373] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.249284][ T373] __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)) [ 19.249286][ T373] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.249292][ T373] ? 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) [ 19.249295][ T373] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.249299][ T373] put_chars (drivers/char/virtio_console.c:1176) [ 19.249302][ T373] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.249303][ T373] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.249306][ T373] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.249312][ T373] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.249320][ T373] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.249322][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.249324][ T373] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.249328][ T373] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.249333][ T373] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.249334][ T373] ? 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)) [ 19.249338][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.249340][ T373] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.249344][ T373] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.249348][ T373] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.249350][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.249355][ T373] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.249358][ T373] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.249360][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.249362][ T373] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 19.249366][ T373] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.249367][ T373] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.249370][ T373] vprintk_emit (kernel/printk/printk.c:2479) [ 19.249373][ T373] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.249376][ T373] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.249380][ T373] _printk (kernel/printk/printk.c:2504) [ 19.249383][ T373] ? snapshot_read.cold (user.c:?) [ 19.249386][ T373] ? 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) [ 19.249389][ T373] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.249393][ T373] ? 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) [ 19.249396][ T373] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 19.249400][ T373] ? exit_notify (kernel/exit.c:780) [ 19.249401][ T373] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.249404][ T373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.249408][ T373] do_group_exit (kernel/exit.c:1151) [ 19.249411][ T373] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 19.249413][ T373] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 19.249415][ T373] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 19.249419][ T373] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 19.249422][ T373] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 19.249425][ T373] RIP: 0033:0x7f00632821b8 [ 19.249427][ T373] Code: Unable to access opcode bytes at 0x7f006328218e. Code starting with the faulting instruction =========================================== [ 19.249428][ T373] RSP: 002b:00007ffd4ceafe38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 19.249434][ T373] RAX: ffffffffffffffda RBX: 00007f00633b2f88 RCX: 00007f00632821b8 [ 19.249435][ T373] RDX: 00007f00631bfa48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 19.249436][ T373] RBP: 00007ffd4ceafe90 R08: 0000000000000000 R09: 0000000000000020 [ 19.249437][ T373] R10: 00007ffd4ceafcd0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print