====================================== | [ 11.942482][ T306] softirqs last disabled at (22235): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.942485][ T306] Preemption disabled at: | [ 11.942485][ T306] 0x0 | [ 11.942495][ T306] Tainted: [W]=WARN [ 11.942496][ T306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.942498][ T306] Call Trace: [ 11.942500][ T306] [ 11.942501][ T306] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.942507][ T306] __might_resched.cold (kernel/sched/core.c:9234) [ 11.942511][ T306] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.942514][ T306] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.942520][ T306] __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)) [ 11.942522][ T306] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.942528][ T306] ? 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) [ 11.942531][ T306] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.942535][ T306] put_chars (drivers/char/virtio_console.c:1176) [ 11.942537][ T306] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.942544][ T306] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.942551][ T306] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.942553][ T306] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.942558][ T306] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.942561][ T306] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.942563][ T306] ? 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)) [ 11.942565][ T306] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.942569][ T306] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.942573][ T306] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.942576][ T306] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.942578][ T306] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.942583][ T306] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.942585][ T306] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.942587][ T306] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.942588][ T306] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.942592][ T306] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.942594][ T306] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.942597][ T306] vprintk_emit (kernel/printk/printk.c:2479) [ 11.942601][ T306] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.942604][ T306] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.942607][ T306] _printk (kernel/printk/printk.c:2504) [ 11.942611][ T306] ? snapshot_read.cold (user.c:?) [ 11.942614][ T306] ? 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) [ 11.942617][ T306] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.942621][ T306] ? 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) [ 11.942624][ T306] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.942627][ T306] ? exit_notify (kernel/exit.c:780) [ 11.942629][ T306] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.942632][ T306] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.942635][ T306] do_group_exit (kernel/exit.c:1151) [ 11.942638][ T306] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.942640][ T306] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.942643][ T306] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.942647][ T306] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.942650][ T306] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.942653][ T306] RIP: 0033:0x7ff24f14f1b8 [ 11.942655][ T306] Code: Unable to access opcode bytes at 0x7ff24f14f18e. Code starting with the faulting instruction =========================================== [ 11.942656][ T306] RSP: 002b:00007ffc20832778 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.942658][ T306] RAX: ffffffffffffffda RBX: 00007ff24f27ff88 RCX: 00007ff24f14f1b8 [ 11.942660][ T306] RDX: 00007ff24f086748 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 11.942661][ T306] RBP: 00007ffc208327d0 R08: 0000000000000000 R09: 0000000000000020 [ 11.942662][ T306] R10: 00007ffc208325f0 R11: 0000000000000246 R12: 0000000000000001 [ 11.942662][ T306] R13: 0000000000000000 R14: 00007ff24f27e680 R15: 00007ff24f27ffa0 | [ 14.081922][ T665] softirqs last disabled at (35583): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.081925][ T665] Preemption disabled at: | [ 14.081925][ T665] 0x0 | [ 14.081936][ T665] Tainted: [W]=WARN [ 14.081936][ T665] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.081938][ T665] Call Trace: [ 14.081940][ T665] [ 14.081941][ T665] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.081946][ T665] __might_resched.cold (kernel/sched/core.c:9234) [ 14.081951][ T665] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.081954][ T665] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.081959][ T665] __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)) [ 14.081962][ T665] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.081968][ T665] ? 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) [ 14.081971][ T665] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.081974][ T665] put_chars (drivers/char/virtio_console.c:1176) [ 14.081977][ T665] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.081984][ T665] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.081991][ T665] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.081994][ T665] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.081998][ T665] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.082002][ T665] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.082003][ T665] ? 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)) [ 14.082006][ T665] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.082009][ T665] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.082013][ T665] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.082017][ T665] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.082018][ T665] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.082025][ T665] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.082027][ T665] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.082028][ T665] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.082030][ T665] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.082034][ T665] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.082036][ T665] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.082039][ T665] vprintk_emit (kernel/printk/printk.c:2479) [ 14.082042][ T665] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.082045][ T665] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.082049][ T665] _printk (kernel/printk/printk.c:2504) [ 14.082053][ T665] ? snapshot_read.cold (user.c:?) [ 14.082055][ T665] ? 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) [ 14.082058][ T665] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.082062][ T665] ? 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) [ 14.082065][ T665] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.082069][ T665] ? exit_notify (kernel/exit.c:780) [ 14.082071][ T665] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.082074][ T665] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.082077][ T665] do_group_exit (kernel/exit.c:1151) [ 14.082081][ T665] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.082083][ T665] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.082086][ T665] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.082089][ T665] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.082093][ T665] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.082095][ T665] RIP: 0033:0x7f372ca601b8 [ 14.082098][ T665] Code: Unable to access opcode bytes at 0x7f372ca6018e. Code starting with the faulting instruction =========================================== [ 14.082099][ T665] RSP: 002b:00007fff7bce5f98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 14.082101][ T665] RAX: ffffffffffffffda RBX: 00007f372cb90f88 RCX: 00007f372ca601b8 [ 14.082102][ T665] RDX: 00007f372c7f17c8 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 14.082103][ T665] RBP: 00007fff7bce5ff0 R08: 0000000000000000 R09: 0000000000001010 [ 14.082104][ T665] R10: 00007fff7bce5e10 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print