====================================== | [ 9.362424][ T207] softirqs last disabled at (14901): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.362426][ T207] Preemption disabled at: | [ 9.362427][ T207] 0x0 | [ 9.362437][ T207] Tainted: [W]=WARN [ 9.362438][ T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.362439][ T207] Call Trace: [ 9.362441][ T207] [ 9.362442][ T207] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.362449][ T207] __might_resched.cold (kernel/sched/core.c:9234) [ 9.362453][ T207] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.362458][ T207] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.362462][ T207] __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)) [ 9.362464][ T207] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.362471][ T207] ? 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) [ 9.362473][ T207] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.362477][ T207] put_chars (drivers/char/virtio_console.c:1176) [ 9.362479][ T207] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.362481][ T207] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.362484][ T207] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.362493][ T207] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.362501][ T207] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.362503][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.362505][ T207] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.362509][ T207] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.362513][ T207] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.362515][ T207] ? 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)) [ 9.362518][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.362519][ T207] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.362523][ T207] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.362527][ T207] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.362529][ T207] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.362534][ T207] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.362537][ T207] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.362539][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.362541][ T207] ? 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) [ 9.362544][ T207] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.362546][ T207] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.362549][ T207] vprintk_emit (kernel/printk/printk.c:2479) [ 9.362552][ T207] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.362555][ T207] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.362558][ T207] _printk (kernel/printk/printk.c:2504) [ 9.362562][ T207] ? snapshot_read.cold (user.c:?) [ 9.362565][ T207] ? 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) [ 9.362567][ T207] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.362571][ T207] ? 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) [ 9.362574][ T207] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.362578][ T207] ? exit_notify (kernel/exit.c:780) [ 9.362579][ T207] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.362582][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.362585][ T207] do_group_exit (kernel/exit.c:1151) [ 9.362588][ T207] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.362590][ T207] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.362592][ T207] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.362596][ T207] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.362599][ T207] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.362601][ T207] RIP: 0033:0x7f92376db1b8 [ 9.362606][ T207] Code: Unable to access opcode bytes at 0x7f92376db18e. Code starting with the faulting instruction =========================================== [ 9.362607][ T207] RSP: 002b:00007ffd4fd22548 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.362609][ T207] RAX: ffffffffffffffda RBX: 00007f923780bf88 RCX: 00007f92376db1b8 [ 9.362611][ T207] RDX: 00007f9237425fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.362612][ T207] RBP: 00007ffd4fd225a0 R08: 0000000000000000 R09: 0000000000008010 [ 9.362613][ T207] R10: 00007ffd4fd22360 R11: 0000000000000246 R12: 0000000000000001 [ 9.362613][ T207] R13: 0000000000000000 R14: 00007f923780a680 R15: 00007f923780bfa0 | [ 14.020142][ T230] softirqs last disabled at (24239): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.020144][ T230] Preemption disabled at: | [ 14.020145][ T230] 0x0 | [ 14.020155][ T230] Tainted: [W]=WARN [ 14.020156][ T230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.020157][ T230] Call Trace: [ 14.020159][ T230] [ 14.020160][ T230] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.020166][ T230] __might_resched.cold (kernel/sched/core.c:9234) [ 14.020171][ T230] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.020175][ T230] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.020179][ T230] __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)) [ 14.020181][ T230] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.020188][ T230] ? 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) [ 14.020191][ T230] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.020194][ T230] put_chars (drivers/char/virtio_console.c:1176) [ 14.020197][ T230] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.020198][ T230] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.020201][ T230] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.020207][ T230] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.020214][ T230] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.020217][ T230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.020219][ T230] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.020223][ T230] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.020227][ T230] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.020228][ T230] ? 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)) [ 14.020231][ T230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.020233][ T230] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.020237][ T230] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.020241][ T230] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.020243][ T230] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.020248][ T230] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.020251][ T230] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.020253][ T230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.020254][ T230] ? 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) [ 14.020258][ T230] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.020260][ T230] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.020262][ T230] vprintk_emit (kernel/printk/printk.c:2479) [ 14.020266][ T230] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.020268][ T230] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.020272][ T230] _printk (kernel/printk/printk.c:2504) [ 14.020276][ T230] ? snapshot_read.cold (user.c:?) [ 14.020279][ T230] ? 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) [ 14.020281][ T230] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.020285][ T230] ? 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) [ 14.020288][ T230] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.020291][ T230] ? exit_notify (kernel/exit.c:780) [ 14.020293][ T230] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.020296][ T230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.020299][ T230] do_group_exit (kernel/exit.c:1151) [ 14.020302][ T230] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.020304][ T230] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.020306][ T230] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.020310][ T230] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.020313][ T230] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.020315][ T230] RIP: 0033:0x7f04ab8711b8 [ 14.020317][ T230] Code: Unable to access opcode bytes at 0x7f04ab87118e. Code starting with the faulting instruction =========================================== [ 14.020318][ T230] RSP: 002b:00007ffc8fe59a88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 14.020321][ T230] RAX: ffffffffffffffda RBX: 00007f04ab9a1f88 RCX: 00007f04ab8711b8 [ 14.020322][ T230] RDX: 00007f04ab5bbfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 14.020323][ T230] RBP: 00007ffc8fe59ae0 R08: 0000000000000000 R09: 0000000000000050 [ 14.020324][ T230] R10: 00007ffc8fe598a0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print