====================================== | [ 10.215062][ T202] softirqs last disabled at (37333): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.215065][ T202] Preemption disabled at: | [ 10.215066][ T202] 0x0 | [ 10.215076][ T202] Tainted: [W]=WARN [ 10.215077][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.215079][ T202] Call Trace: [ 10.215080][ T202] [ 10.215082][ T202] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.215089][ T202] __might_resched.cold (kernel/sched/core.c:9234) [ 10.215093][ T202] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.215097][ T202] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.215102][ T202] __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)) [ 10.215103][ T202] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.215111][ T202] ? 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) [ 10.215113][ T202] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.215117][ T202] put_chars (drivers/char/virtio_console.c:1176) [ 10.215120][ T202] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.215121][ T202] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.215124][ T202] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.215130][ T202] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.215137][ T202] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.215140][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.215142][ T202] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.215146][ T202] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.215150][ T202] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.215152][ T202] ? 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)) [ 10.215155][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.215157][ T202] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.215161][ T202] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.215165][ T202] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.215167][ T202] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.215172][ T202] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.215175][ T202] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.215177][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.215179][ T202] ? 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) [ 10.215182][ T202] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.215184][ T202] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.215187][ T202] vprintk_emit (kernel/printk/printk.c:2479) [ 10.215190][ T202] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.215193][ T202] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.215197][ T202] _printk (kernel/printk/printk.c:2504) [ 10.215200][ T202] ? snapshot_read.cold (user.c:?) [ 10.215203][ T202] ? 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) [ 10.215206][ T202] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.215210][ T202] ? 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) [ 10.215212][ T202] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.215216][ T202] ? exit_notify (kernel/exit.c:780) [ 10.215218][ T202] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.215220][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.215224][ T202] do_group_exit (kernel/exit.c:1151) [ 10.215227][ T202] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.215229][ T202] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.215231][ T202] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.215235][ T202] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.215238][ T202] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.215240][ T202] RIP: 0033:0x7fa5f3faf1b8 [ 10.215242][ T202] Code: Unable to access opcode bytes at 0x7fa5f3faf18e. Code starting with the faulting instruction =========================================== [ 10.215244][ T202] RSP: 002b:00007ffcd3e388e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.215246][ T202] RAX: ffffffffffffffda RBX: 00007fa5f40dff88 RCX: 00007fa5f3faf1b8 [ 10.215247][ T202] RDX: 00007fa5f3cf9fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.215248][ T202] RBP: 00007ffcd3e38940 R08: 0000000000000000 R09: 0000000000000050 [ 10.215249][ T202] R10: 00007ffcd3e38700 R11: 0000000000000246 R12: 0000000000000001 [ 10.215250][ T202] R13: 0000000000000000 R14: 00007fa5f40de680 R15: 00007fa5f40dffa0 | [ 14.701940][ T228] softirqs last disabled at (32347): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.701943][ T228] Preemption disabled at: | [ 14.701943][ T228] 0x0 | [ 14.701954][ T228] Tainted: [W]=WARN [ 14.701955][ T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.701956][ T228] Call Trace: [ 14.701958][ T228] [ 14.701959][ T228] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.701966][ T228] __might_resched.cold (kernel/sched/core.c:9234) [ 14.701971][ T228] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.701975][ T228] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.701980][ T228] __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)) [ 14.701982][ T228] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.701989][ T228] ? 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) [ 14.701992][ T228] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.701996][ T228] put_chars (drivers/char/virtio_console.c:1176) [ 14.701999][ T228] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.702000][ T228] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.702004][ T228] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.702010][ T228] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.702018][ T228] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.702020][ T228] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.702022][ T228] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.702027][ T228] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.702031][ T228] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.702033][ T228] ? 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)) [ 14.702036][ T228] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.702038][ T228] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.702042][ T228] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.702047][ T228] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.702049][ T228] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.702054][ T228] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.702057][ T228] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.702059][ T228] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.702061][ T228] ? 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) [ 14.702065][ T228] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.702067][ T228] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.702069][ T228] vprintk_emit (kernel/printk/printk.c:2479) [ 14.702073][ T228] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.702076][ T228] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.702080][ T228] _printk (kernel/printk/printk.c:2504) [ 14.702083][ T228] ? snapshot_read.cold (user.c:?) [ 14.702086][ T228] ? 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) [ 14.702089][ T228] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.702093][ T228] ? 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) [ 14.702096][ T228] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.702100][ T228] ? exit_notify (kernel/exit.c:780) [ 14.702101][ T228] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.702104][ T228] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.702108][ T228] do_group_exit (kernel/exit.c:1151) [ 14.702111][ T228] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.702112][ T228] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.702115][ T228] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.702119][ T228] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.702122][ T228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.702125][ T228] RIP: 0033:0x7f21db6371b8 [ 14.702127][ T228] Code: Unable to access opcode bytes at 0x7f21db63718e. Code starting with the faulting instruction =========================================== [ 14.702128][ T228] RSP: 002b:00007ffc51dbb198 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 14.702131][ T228] RAX: ffffffffffffffda RBX: 00007f21db767f88 RCX: 00007f21db6371b8 [ 14.702132][ T228] RDX: 00007f21db381fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 14.702133][ T228] RBP: 00007ffc51dbb1f0 R08: 0000000000000000 R09: 0000000000000000 [ 14.702134][ T228] R10: 00007ffc51dbafb0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print