====================================== | [ 9.304668][ T202] softirqs last disabled at (30137): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.304670][ T202] Preemption disabled at: | [ 9.304670][ T202] 0x0 | [ 9.304680][ T202] Tainted: [W]=WARN [ 9.304681][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.304683][ T202] Call Trace: [ 9.304684][ T202] [ 9.304685][ T202] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.304692][ T202] __might_resched.cold (kernel/sched/core.c:9234) [ 9.304697][ T202] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.304701][ T202] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.304705][ T202] __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)) [ 9.304707][ T202] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.304714][ T202] ? 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) [ 9.304716][ T202] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.304720][ T202] put_chars (drivers/char/virtio_console.c:1176) [ 9.304723][ T202] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.304724][ T202] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.304727][ T202] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.304733][ T202] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.304740][ T202] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.304742][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.304744][ T202] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.304748][ T202] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.304752][ T202] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.304754][ T202] ? 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)) [ 9.304757][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.304758][ T202] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.304762][ T202] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.304766][ T202] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.304768][ T202] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.304773][ T202] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.304776][ T202] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.304778][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.304780][ T202] ? 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) [ 9.304784][ T202] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.304785][ T202] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.304788][ T202] vprintk_emit (kernel/printk/printk.c:2479) [ 9.304791][ T202] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.304794][ T202] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.304797][ T202] _printk (kernel/printk/printk.c:2504) [ 9.304801][ T202] ? snapshot_read.cold (user.c:?) [ 9.304804][ T202] ? 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) [ 9.304806][ T202] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.304810][ T202] ? 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) [ 9.304813][ T202] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.304816][ T202] ? exit_notify (kernel/exit.c:780) [ 9.304817][ T202] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.304820][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.304824][ T202] do_group_exit (kernel/exit.c:1151) [ 9.304826][ T202] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.304828][ T202] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.304831][ T202] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.304834][ T202] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.304837][ T202] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.304839][ T202] RIP: 0033:0x7fa692a5f1b8 [ 9.304841][ T202] Code: Unable to access opcode bytes at 0x7fa692a5f18e. Code starting with the faulting instruction =========================================== [ 9.304842][ T202] RSP: 002b:00007ffcf8a8be58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.304845][ T202] RAX: ffffffffffffffda RBX: 00007fa692b8ff88 RCX: 00007fa692a5f1b8 [ 9.304846][ T202] RDX: 00007fa6927a9fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.304847][ T202] RBP: 00007ffcf8a8beb0 R08: 0000000000000000 R09: 0000000000000050 [ 9.304848][ T202] R10: 00007ffcf8a8bc70 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print