====================================== | [ 9.506617][ T199] softirqs last disabled at (31669): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.506619][ T199] Preemption disabled at: | [ 9.506620][ T199] 0x0 | [ 9.506629][ T199] Tainted: [W]=WARN [ 9.506630][ T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.506632][ T199] Call Trace: [ 9.506633][ T199] [ 9.506635][ T199] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.506641][ T199] __might_resched.cold (kernel/sched/core.c:9234) [ 9.506646][ T199] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.506650][ T199] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.506654][ T199] __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)) [ 9.506656][ T199] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.506663][ T199] ? 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) [ 9.506665][ T199] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.506669][ T199] put_chars (drivers/char/virtio_console.c:1176) [ 9.506671][ T199] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.506672][ T199] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.506676][ T199] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.506681][ T199] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.506688][ T199] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.506691][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.506693][ T199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.506697][ T199] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.506700][ T199] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.506702][ T199] ? 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)) [ 9.506705][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.506707][ T199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.506711][ T199] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.506715][ T199] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.506717][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.506722][ T199] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.506725][ T199] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.506726][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.506728][ T199] ? 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) [ 9.506732][ T199] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.506733][ T199] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.506736][ T199] vprintk_emit (kernel/printk/printk.c:2479) [ 9.506739][ T199] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.506742][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.506745][ T199] _printk (kernel/printk/printk.c:2504) [ 9.506749][ T199] ? snapshot_read.cold (user.c:?) [ 9.506752][ T199] ? 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) [ 9.506754][ T199] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.506758][ T199] ? 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) [ 9.506761][ T199] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.506765][ T199] ? exit_notify (kernel/exit.c:780) [ 9.506766][ T199] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.506769][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.506772][ T199] do_group_exit (kernel/exit.c:1151) [ 9.506775][ T199] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.506777][ T199] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.506779][ T199] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.506783][ T199] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.506786][ T199] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.506788][ T199] RIP: 0033:0x7fcf499681b8 [ 9.506790][ T199] Code: Unable to access opcode bytes at 0x7fcf4996818e. Code starting with the faulting instruction =========================================== [ 9.506791][ T199] RSP: 002b:00007ffebe7204e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.506794][ T199] RAX: ffffffffffffffda RBX: 00007fcf49a98f88 RCX: 00007fcf499681b8 [ 9.506795][ T199] RDX: 00007fcf496b2fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.506796][ T199] RBP: 00007ffebe720540 R08: 0000000000000000 R09: 0000000000000000 [ 9.506797][ T199] R10: 00007ffebe720300 R11: 0000000000000246 R12: 0000000000000001 [ 9.506797][ T199] R13: 0000000000000000 R14: 00007fcf49a97680 R15: 00007fcf49a98fa0 | [ 13.022385][ T223] softirqs last disabled at (25047): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.022387][ T223] Preemption disabled at: | [ 13.022388][ T223] 0x0 | [ 13.022397][ T223] Tainted: [W]=WARN [ 13.022398][ T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.022399][ T223] Call Trace: [ 13.022401][ T223] [ 13.022402][ T223] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.022409][ T223] __might_resched.cold (kernel/sched/core.c:9234) [ 13.022413][ T223] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.022417][ T223] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.022421][ T223] __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)) [ 13.022423][ T223] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.022430][ T223] ? 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) [ 13.022433][ T223] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.022437][ T223] put_chars (drivers/char/virtio_console.c:1176) [ 13.022439][ T223] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.022440][ T223] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.022444][ T223] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.022449][ T223] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.022456][ T223] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.022459][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.022461][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.022464][ T223] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.022468][ T223] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.022470][ T223] ? 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)) [ 13.022473][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.022475][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.022479][ T223] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.022483][ T223] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.022485][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.022490][ T223] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.022495][ T223] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.022497][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.022499][ T223] ? 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) [ 13.022502][ T223] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.022504][ T223] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.022507][ T223] vprintk_emit (kernel/printk/printk.c:2479) [ 13.022510][ T223] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.022513][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.022516][ T223] _printk (kernel/printk/printk.c:2504) [ 13.022520][ T223] ? snapshot_read.cold (user.c:?) [ 13.022523][ T223] ? 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) [ 13.022526][ T223] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.022529][ T223] ? 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) [ 13.022532][ T223] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.022536][ T223] ? exit_notify (kernel/exit.c:780) [ 13.022537][ T223] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.022540][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.022543][ T223] do_group_exit (kernel/exit.c:1151) [ 13.022546][ T223] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.022548][ T223] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.022550][ T223] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.022554][ T223] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.022557][ T223] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.022559][ T223] RIP: 0033:0x7fab158111b8 [ 13.022562][ T223] Code: Unable to access opcode bytes at 0x7fab1581118e. Code starting with the faulting instruction =========================================== [ 13.022563][ T223] RSP: 002b:00007fff1d1f76d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.022566][ T223] RAX: ffffffffffffffda RBX: 00007fab15941f88 RCX: 00007fab158111b8 [ 13.022567][ T223] RDX: 00007fab1555bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 13.022568][ T223] RBP: 00007fff1d1f7730 R08: 0000000000000000 R09: 0000000000000000 [ 13.022569][ T223] R10: 00007fff1d1f74f0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print