====================================== | [ 9.860308][ T230] softirqs last disabled at (50879): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.860310][ T230] Preemption disabled at: | [ 9.860311][ T230] 0x0 | [ 9.860320][ T230] Tainted: [W]=WARN [ 9.860321][ T230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.860323][ T230] Call Trace: [ 9.860324][ T230] [ 9.860326][ T230] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.860332][ T230] __might_resched.cold (kernel/sched/core.c:9234) [ 9.860337][ T230] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.860341][ T230] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.860345][ T230] __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)) [ 9.860347][ T230] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.860354][ T230] ? 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) [ 9.860357][ T230] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.860361][ T230] put_chars (drivers/char/virtio_console.c:1176) [ 9.860363][ T230] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.860364][ T230] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.860368][ T230] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.860373][ T230] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.860381][ T230] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.860384][ T230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.860386][ T230] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.860390][ T230] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.860393][ T230] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.860395][ T230] ? 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)) [ 9.860398][ T230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.860400][ T230] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.860404][ T230] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.860408][ T230] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.860410][ T230] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.860415][ T230] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.860418][ T230] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.860420][ T230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.860422][ T230] ? 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) [ 9.860425][ T230] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.860427][ T230] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.860430][ T230] vprintk_emit (kernel/printk/printk.c:2479) [ 9.860433][ T230] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.860436][ T230] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.860440][ T230] _printk (kernel/printk/printk.c:2504) [ 9.860444][ T230] ? snapshot_read.cold (user.c:?) [ 9.860446][ T230] ? 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) [ 9.860449][ T230] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.860453][ T230] ? 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) [ 9.860455][ T230] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.860459][ T230] ? exit_notify (kernel/exit.c:780) [ 9.860460][ T230] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.860463][ T230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.860466][ T230] do_group_exit (kernel/exit.c:1151) [ 9.860469][ T230] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.860471][ T230] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.860473][ T230] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.860477][ T230] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.860480][ T230] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.860482][ T230] RIP: 0033:0x7f1c2f0731b8 [ 9.860484][ T230] Code: Unable to access opcode bytes at 0x7f1c2f07318e. Code starting with the faulting instruction =========================================== [ 9.860485][ T230] RSP: 002b:00007fff9e5ab298 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.860488][ T230] RAX: ffffffffffffffda RBX: 00007f1c2f1a3f88 RCX: 00007f1c2f0731b8 [ 9.860489][ T230] RDX: 00007f1c2edbdfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.860490][ T230] RBP: 00007fff9e5ab2f0 R08: 0000000000000000 R09: 0000000000000000 [ 9.860490][ T230] R10: 00007fff9e5ab0b0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print