====================================== | [ 8.606338][ T149] softirqs last disabled at (12991): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 8.606340][ T149] Preemption disabled at: | [ 8.606341][ T149] 0x0 | [ 8.606351][ T149] Tainted: [W]=WARN [ 8.606352][ T149] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.606353][ T149] Call Trace: [ 8.606355][ T149] [ 8.606356][ T149] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.606363][ T149] __might_resched.cold (kernel/sched/core.c:9234) [ 8.606367][ T149] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.606371][ T149] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.606375][ T149] __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)) [ 8.606377][ T149] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.606384][ T149] ? 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) [ 8.606387][ T149] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.606390][ T149] put_chars (drivers/char/virtio_console.c:1176) [ 8.606393][ T149] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.606394][ T149] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 8.606397][ T149] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.606403][ T149] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.606412][ T149] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.606415][ T149] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.606417][ T149] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.606421][ T149] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.606424][ T149] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.606426][ T149] ? 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)) [ 8.606429][ T149] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.606431][ T149] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.606435][ T149] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.606439][ T149] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.606441][ T149] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.606446][ T149] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.606449][ T149] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.606450][ T149] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.606452][ T149] ? 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) [ 8.606456][ T149] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.606457][ T149] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.606460][ T149] vprintk_emit (kernel/printk/printk.c:2479) [ 8.606463][ T149] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.606466][ T149] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.606469][ T149] _printk (kernel/printk/printk.c:2504) [ 8.606473][ T149] ? snapshot_read.cold (user.c:?) [ 8.606476][ T149] ? 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) [ 8.606478][ T149] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.606482][ T149] ? 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) [ 8.606484][ T149] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 8.606488][ T149] ? exit_notify (kernel/exit.c:780) [ 8.606489][ T149] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.606492][ T149] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.606495][ T149] do_group_exit (kernel/exit.c:1151) [ 8.606498][ T149] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 8.606500][ T149] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 8.606502][ T149] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.606506][ T149] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.606509][ T149] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.606511][ T149] RIP: 0033:0x7f97286c01b8 [ 8.606513][ T149] Code: Unable to access opcode bytes at 0x7f97286c018e. Code starting with the faulting instruction =========================================== [ 8.606514][ T149] RSP: 002b:00007fffa54301e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.606517][ T149] RAX: ffffffffffffffda RBX: 00007f97287f0f88 RCX: 00007f97286c01b8 [ 8.606518][ T149] RDX: 00007f97285fda48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 8.606519][ T149] RBP: 00007fffa5430240 R08: 0000000000000000 R09: 0000000000001010 [ 8.606520][ T149] R10: 00007fffa54300a0 R11: 0000000000000246 R12: 0000000000000002 [ 8.606520][ T149] R13: 0000000000000000 R14: 00007f97287ef680 R15: 00007f97287f0fa0 | [ 13.537064][ T229] softirqs last disabled at (27183): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.537067][ T229] Preemption disabled at: | [ 13.537067][ T229] 0x0 | [ 13.537077][ T229] Tainted: [W]=WARN [ 13.537078][ T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.537080][ T229] Call Trace: [ 13.537081][ T229] [ 13.537083][ T229] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.537089][ T229] __might_resched.cold (kernel/sched/core.c:9234) [ 13.537093][ T229] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.537098][ T229] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.537102][ T229] __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)) [ 13.537104][ T229] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.537111][ T229] ? 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) [ 13.537114][ T229] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.537117][ T229] put_chars (drivers/char/virtio_console.c:1176) [ 13.537120][ T229] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.537121][ T229] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.537125][ T229] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.537130][ T229] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.537137][ T229] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.537140][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.537142][ T229] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.537146][ T229] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.537150][ T229] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.537151][ T229] ? 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)) [ 13.537155][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.537156][ T229] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.537160][ T229] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.537164][ T229] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.537166][ T229] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.537171][ T229] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.537174][ T229] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.537176][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.537177][ T229] ? 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) [ 13.537181][ T229] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.537183][ T229] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.537185][ T229] vprintk_emit (kernel/printk/printk.c:2479) [ 13.537188][ T229] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.537191][ T229] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.537194][ T229] _printk (kernel/printk/printk.c:2504) [ 13.537198][ T229] ? snapshot_read.cold (user.c:?) [ 13.537201][ T229] ? 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) [ 13.537203][ T229] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.537207][ T229] ? 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) [ 13.537210][ T229] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.537213][ T229] ? exit_notify (kernel/exit.c:780) [ 13.537215][ T229] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.537217][ T229] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.537221][ T229] do_group_exit (kernel/exit.c:1151) [ 13.537223][ T229] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.537225][ T229] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.537228][ T229] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.537232][ T229] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.537235][ T229] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.537237][ T229] RIP: 0033:0x7fd04538f1b8 [ 13.537239][ T229] Code: Unable to access opcode bytes at 0x7fd04538f18e. Code starting with the faulting instruction =========================================== [ 13.537240][ T229] RSP: 002b:00007ffdab97d598 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.537243][ T229] RAX: ffffffffffffffda RBX: 00007fd0454bff88 RCX: 00007fd04538f1b8 [ 13.537244][ T229] RDX: 00007fd0450d9fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 13.537245][ T229] RBP: 00007ffdab97d5f0 R08: 0000000000000000 R09: 0000000000000000 [ 13.537246][ T229] R10: 00007ffdab97d3b0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print