====================================== | [ 10.635856][ T186] softirqs last disabled at (43545): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.635858][ T186] Preemption disabled at: | [ 10.635858][ T186] 0x0 | [ 10.635868][ T186] Tainted: [W]=WARN [ 10.635869][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.635871][ T186] Call Trace: [ 10.635872][ T186] [ 10.635874][ T186] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.635880][ T186] __might_resched.cold (kernel/sched/core.c:9234) [ 10.635885][ T186] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.635889][ T186] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.635894][ T186] __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)) [ 10.635896][ T186] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.635902][ T186] ? 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) [ 10.635905][ T186] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.635908][ T186] put_chars (drivers/char/virtio_console.c:1176) [ 10.635911][ T186] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.635912][ T186] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.635917][ T186] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.635922][ T186] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.635928][ T186] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.635930][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.635932][ T186] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.635936][ T186] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.635940][ T186] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.635942][ T186] ? 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)) [ 10.635945][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.635947][ T186] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.635951][ T186] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.635955][ T186] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.635957][ T186] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.635962][ T186] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.635964][ T186] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.635966][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.635968][ T186] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.635972][ T186] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.635974][ T186] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.635977][ T186] vprintk_emit (kernel/printk/printk.c:2479) [ 10.635980][ T186] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.635984][ T186] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.635987][ T186] _printk (kernel/printk/printk.c:2504) [ 10.635991][ T186] ? snapshot_read.cold (user.c:?) [ 10.635994][ T186] ? 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) [ 10.635996][ T186] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.636000][ T186] ? 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) [ 10.636002][ T186] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.636006][ T186] ? exit_notify (kernel/exit.c:780) [ 10.636008][ T186] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.636011][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.636015][ T186] do_group_exit (kernel/exit.c:1151) [ 10.636017][ T186] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.636019][ T186] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.636021][ T186] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.636025][ T186] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.636028][ T186] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.636030][ T186] RIP: 0033:0x7f1a00a7a1b8 [ 10.636032][ T186] Code: Unable to access opcode bytes at 0x7f1a00a7a18e. Code starting with the faulting instruction =========================================== [ 10.636033][ T186] RSP: 002b:00007ffd1a7cc878 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.636035][ T186] RAX: ffffffffffffffda RBX: 00007f1a00baaf88 RCX: 00007f1a00a7a1b8 [ 10.636037][ T186] RDX: 00007f1a007c4fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.636038][ T186] RBP: 00007ffd1a7cc8d0 R08: 0000000000000000 R09: 0000000000008010 [ 10.636039][ T186] R10: 00007ffd1a7cc690 R11: 0000000000000246 R12: 0000000000000001 [ 10.636039][ T186] R13: 0000000000000000 R14: 00007f1a00ba9680 R15: 00007f1a00baafa0 | [ 19.720206][ T310] softirqs last disabled at (32081): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 19.720209][ T310] Preemption disabled at: | [ 19.720209][ T310] 0x0 | [ 19.720219][ T310] Tainted: [W]=WARN [ 19.720221][ T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.720222][ T310] Call Trace: [ 19.720224][ T310] [ 19.720225][ T310] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.720232][ T310] __might_resched.cold (kernel/sched/core.c:9234) [ 19.720236][ T310] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.720240][ T310] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.720245][ T310] __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)) [ 19.720248][ T310] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.720253][ T310] ? 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) [ 19.720256][ T310] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.720259][ T310] put_chars (drivers/char/virtio_console.c:1176) [ 19.720262][ T310] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.720263][ T310] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.720268][ T310] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.720272][ T310] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.720279][ T310] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.720281][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.720283][ T310] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.720287][ T310] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.720290][ T310] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.720292][ T310] ? 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)) [ 19.720295][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.720297][ T310] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.720301][ T310] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.720305][ T310] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.720307][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.720312][ T310] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.720315][ T310] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.720316][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.720319][ T310] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.720322][ T310] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.720324][ T310] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.720327][ T310] vprintk_emit (kernel/printk/printk.c:2479) [ 19.720331][ T310] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.720334][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.720337][ T310] _printk (kernel/printk/printk.c:2504) [ 19.720341][ T310] ? snapshot_read.cold (user.c:?) [ 19.720344][ T310] ? 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) [ 19.720346][ T310] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.720350][ T310] ? 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) [ 19.720352][ T310] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 19.720356][ T310] ? exit_notify (kernel/exit.c:780) [ 19.720358][ T310] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.720360][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.720364][ T310] do_group_exit (kernel/exit.c:1151) [ 19.720367][ T310] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 19.720369][ T310] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 19.720371][ T310] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 19.720374][ T310] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 19.720377][ T310] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 19.720379][ T310] RIP: 0033:0x7f898d33c1b8 [ 19.720382][ T310] Code: Unable to access opcode bytes at 0x7f898d33c18e. Code starting with the faulting instruction =========================================== [ 19.720383][ T310] RSP: 002b:00007ffe950e56e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 19.720385][ T310] RAX: ffffffffffffffda RBX: 00007f898d46cf88 RCX: 00007f898d33c1b8 [ 19.720386][ T310] RDX: 00007f898d086fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 19.720387][ T310] RBP: 00007ffe950e5740 R08: 0000000000000000 R09: 0000000000000050 [ 19.720388][ T310] R10: 00007ffe950e5500 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print