====================================== | [ 11.434742][ T175] softirqs last disabled at (132919): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.434745][ T175] Preemption disabled at: | [ 11.434746][ T175] 0x0 | [ 11.434760][ T175] Tainted: [W]=WARN [ 11.434761][ T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.434763][ T175] Call Trace: [ 11.434765][ T175] [ 11.434767][ T175] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.434774][ T175] __might_resched.cold (kernel/sched/core.c:9234) [ 11.434780][ T175] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.434785][ T175] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.434793][ T175] __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)) [ 11.434796][ T175] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.434806][ T175] ? 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) [ 11.434810][ T175] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.434815][ T175] put_chars (drivers/char/virtio_console.c:1176) [ 11.434820][ T175] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.434823][ T175] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.434829][ T175] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.434838][ T175] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.434849][ T175] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.434853][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.434857][ T175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.434864][ T175] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.434870][ T175] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.434872][ T175] ? 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)) [ 11.434877][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.434880][ T175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.434887][ T175] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.434893][ T175] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.434896][ T175] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.434905][ T175] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.434909][ T175] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.434911][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.434915][ T175] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.434921][ T175] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.434924][ T175] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.434929][ T175] vprintk_emit (kernel/printk/printk.c:2479) [ 11.434935][ T175] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.434940][ T175] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.434946][ T175] _printk (kernel/printk/printk.c:2504) [ 11.434951][ T175] ? snapshot_read.cold (user.c:?) [ 11.434956][ T175] ? 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) [ 11.434960][ T175] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.434967][ T175] ? 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) [ 11.434972][ T175] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.434977][ T175] ? exit_notify (kernel/exit.c:780) [ 11.434979][ T175] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.434984][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.434991][ T175] do_group_exit (kernel/exit.c:1151) [ 11.434996][ T175] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.434999][ T175] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.435003][ T175] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.435008][ T175] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.435013][ T175] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.435016][ T175] RIP: 0033:0x7fa8634ce1b8 [ 11.435019][ T175] Code: Unable to access opcode bytes at 0x7fa8634ce18e. Code starting with the faulting instruction =========================================== [ 11.435021][ T175] RSP: 002b:00007ffe19341528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.435024][ T175] RAX: ffffffffffffffda RBX: 00007fa8635fef88 RCX: 00007fa8634ce1b8 [ 11.435026][ T175] RDX: 00007fa8632f6708 RSI: ffffffffffffff90 RDI: 0000000000000000 [ 11.435028][ T175] RBP: 00007ffe19341580 R08: 0000000000000000 R09: 0000000000000001 [ 11.435029][ T175] R10: 00007fa8639b83f5 R11: 0000000000000246 R12: 0000000000000002 [ 11.435031][ T175] R13: 0000000000000000 R14: 00007fa8635fd680 R15: 00007fa8635fefa0 | [ 12.925916][ T206] softirqs last disabled at (4126487): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.925919][ T206] Preemption disabled at: | [ 12.925920][ T206] 0x0 | [ 12.925931][ T206] Tainted: [W]=WARN [ 12.925932][ T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.925933][ T206] Call Trace: [ 12.925935][ T206] [ 12.925936][ T206] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.925942][ T206] __might_resched.cold (kernel/sched/core.c:9234) [ 12.925946][ T206] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.925950][ T206] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.925955][ T206] __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)) [ 12.925958][ T206] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.925964][ T206] ? 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) [ 12.925967][ T206] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.925970][ T206] put_chars (drivers/char/virtio_console.c:1176) [ 12.925973][ T206] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.925975][ T206] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.925979][ T206] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.925984][ T206] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.925991][ T206] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.925994][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.925996][ T206] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.926000][ T206] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.926003][ T206] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.926005][ T206] ? 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)) [ 12.926007][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.926009][ T206] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.926013][ T206] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.926017][ T206] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.926018][ T206] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.926024][ T206] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.926026][ T206] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.926027][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.926029][ T206] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.926033][ T206] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.926035][ T206] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.926038][ T206] vprintk_emit (kernel/printk/printk.c:2479) [ 12.926041][ T206] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.926044][ T206] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.926048][ T206] _printk (kernel/printk/printk.c:2504) [ 12.926052][ T206] ? snapshot_read.cold (user.c:?) [ 12.926055][ T206] ? 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) [ 12.926057][ T206] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.926061][ T206] ? 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) [ 12.926064][ T206] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.926068][ T206] ? exit_notify (kernel/exit.c:780) [ 12.926070][ T206] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.926073][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.926076][ T206] do_group_exit (kernel/exit.c:1151) [ 12.926079][ T206] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.926081][ T206] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.926084][ T206] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.926088][ T206] ? irq_exit_rcu (kernel/softirq.c:786) [ 12.926091][ T206] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.926093][ T206] RIP: 0033:0x479678 [ 12.926096][ T206] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 12.926097][ T206] RSP: 002b:00007ffcbdc86d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.926099][ T206] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 12.926101][ T206] RDX: 000000000473b708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 12.926102][ T206] RBP: 00007ffcbdc86d80 R08: 0000000000000000 R09: 000000000473c3e0 [ 12.926102][ T206] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffcbdc86eb8 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print