====================================== | [ 17.293183][ T206] softirqs last disabled at (4087489): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 17.293185][ T206] Preemption disabled at: | [ 17.293186][ T206] 0x0 | [ 17.293195][ T206] Tainted: [W]=WARN [ 17.293196][ T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.293198][ T206] Call Trace: [ 17.293200][ T206] [ 17.293201][ T206] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.293207][ T206] __might_resched.cold (kernel/sched/core.c:9234) [ 17.293211][ T206] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.293214][ T206] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.293220][ T206] __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)) [ 17.293222][ T206] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.293228][ T206] ? 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) [ 17.293231][ T206] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.293234][ T206] put_chars (drivers/char/virtio_console.c:1176) [ 17.293237][ T206] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.293239][ T206] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.293243][ T206] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.293249][ T206] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.293256][ T206] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.293258][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.293260][ T206] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.293264][ T206] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.293268][ T206] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.293269][ T206] ? 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)) [ 17.293271][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.293273][ T206] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.293277][ T206] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.293281][ T206] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.293282][ T206] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.293288][ T206] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.293290][ T206] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.293291][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.293293][ T206] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.293297][ T206] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.293299][ T206] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.293302][ T206] vprintk_emit (kernel/printk/printk.c:2479) [ 17.293305][ T206] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.293306][ T206] ? 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) [ 17.293309][ T206] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.293313][ T206] _printk (kernel/printk/printk.c:2504) [ 17.293317][ T206] ? snapshot_read.cold (user.c:?) [ 17.293320][ T206] ? 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) [ 17.293323][ T206] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.293327][ T206] ? 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) [ 17.293330][ T206] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 17.293333][ T206] ? exit_notify (kernel/exit.c:780) [ 17.293335][ T206] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.293337][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.293341][ T206] do_group_exit (kernel/exit.c:1151) [ 17.293344][ T206] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 17.293346][ T206] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 17.293349][ T206] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.293353][ T206] ? irq_exit_rcu (kernel/softirq.c:786) [ 17.293356][ T206] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.293358][ T206] RIP: 0033:0x479678 [ 17.293360][ T206] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 17.293361][ T206] RSP: 002b:00007ffed3ebaad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 17.293364][ T206] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 17.293365][ T206] RDX: 000000000863d708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 17.293366][ T206] RBP: 00007ffed3ebab30 R08: 0000000000000000 R09: 000000000863e3e0 [ 17.293367][ T206] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffed3ebac68 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print