====================================== | [ 10.520965][ T187] softirqs last disabled at (46357): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.520967][ T187] Preemption disabled at: | [ 10.520968][ T187] 0x0 | [ 10.520978][ T187] Tainted: [W]=WARN [ 10.520979][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.520981][ T187] Call Trace: [ 10.520983][ T187] [ 10.520984][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.520990][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 10.520995][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.520999][ T187] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.521004][ T187] __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)) [ 10.521011][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.521017][ T187] ? 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) [ 10.521020][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.521023][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 10.521026][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.521028][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.521032][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.521037][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.521044][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.521046][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.521048][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.521052][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.521056][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.521058][ T187] ? 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)) [ 10.521061][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.521064][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.521068][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.521072][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.521074][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.521079][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.521082][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.521084][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.521086][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.521090][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.521092][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.521095][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 10.521099][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.521102][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.521106][ T187] _printk (kernel/printk/printk.c:2504) [ 10.521111][ T187] ? snapshot_read.cold (user.c:?) [ 10.521115][ T187] ? 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) [ 10.521117][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.521121][ T187] ? 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) [ 10.521124][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.521128][ T187] ? exit_notify (kernel/exit.c:780) [ 10.521130][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.521133][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.521137][ T187] do_group_exit (kernel/exit.c:1151) [ 10.521140][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.521141][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.521144][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.521147][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.521150][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.521152][ T187] RIP: 0033:0x7f583df701b8 [ 10.521154][ T187] Code: Unable to access opcode bytes at 0x7f583df7018e. Code starting with the faulting instruction =========================================== [ 10.521156][ T187] RSP: 002b:00007fff40d84cc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.521158][ T187] RAX: ffffffffffffffda RBX: 00007f583e0a0f88 RCX: 00007f583df701b8 [ 10.521159][ T187] RDX: 00007f583dcbafc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.521160][ T187] RBP: 00007fff40d84d20 R08: 0000000000000000 R09: 0000000000008010 [ 10.521161][ T187] R10: 00007fff40d84ae0 R11: 0000000000000246 R12: 0000000000000001 [ 10.521162][ T187] R13: 0000000000000000 R14: 00007f583e09f680 R15: 00007f583e0a0fa0 | [ 12.655808][ T265] softirqs last disabled at (31303): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.655811][ T265] Preemption disabled at: | [ 12.655811][ T265] 0x0 | [ 12.655822][ T265] Tainted: [W]=WARN [ 12.655823][ T265] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.655825][ T265] Call Trace: [ 12.655827][ T265] [ 12.655829][ T265] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.655835][ T265] __might_resched.cold (kernel/sched/core.c:9234) [ 12.655840][ T265] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.655844][ T265] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.655849][ T265] __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)) [ 12.655852][ T265] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.655858][ T265] ? 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) [ 12.655861][ T265] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.655864][ T265] put_chars (drivers/char/virtio_console.c:1176) [ 12.655867][ T265] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.655868][ T265] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.655873][ T265] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.655878][ T265] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.655885][ T265] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.655887][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.655889][ T265] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.655893][ T265] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.655898][ T265] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.655899][ T265] ? 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)) [ 12.655903][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.655905][ T265] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.655909][ T265] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.655913][ T265] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.655915][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.655921][ T265] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.655924][ T265] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.655925][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.655928][ T265] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.655932][ T265] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.655933][ T265] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.655937][ T265] vprintk_emit (kernel/printk/printk.c:2479) [ 12.655940][ T265] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.655944][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.655948][ T265] _printk (kernel/printk/printk.c:2504) [ 12.655952][ T265] ? snapshot_read.cold (user.c:?) [ 12.655954][ T265] ? 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) [ 12.655957][ T265] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.655961][ T265] ? 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) [ 12.655964][ T265] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.655967][ T265] ? exit_notify (kernel/exit.c:780) [ 12.655969][ T265] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.655972][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.655976][ T265] do_group_exit (kernel/exit.c:1151) [ 12.655979][ T265] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.655981][ T265] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.655983][ T265] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.655986][ T265] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.655989][ T265] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.655992][ T265] RIP: 0033:0x7f35361501b8 [ 12.655994][ T265] Code: Unable to access opcode bytes at 0x7f353615018e. Code starting with the faulting instruction =========================================== [ 12.655996][ T265] RSP: 002b:00007ffce46aa338 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.655998][ T265] RAX: ffffffffffffffda RBX: 00007f3536280f88 RCX: 00007f35361501b8 [ 12.656000][ T265] RDX: 00007f35359ae408 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 12.656001][ T265] RBP: 00007ffce46aa390 R08: 0000000000000000 R09: 0000000000000050 [ 12.656001][ T265] R10: 00007ffce46aa190 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print