====================================== | [ 489.150372][ T9677] softirqs last disabled at (38567): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 489.150374][ T9677] Preemption disabled at: | [ 489.150375][ T9677] 0x0 | [ 489.150385][ T9677] Tainted: [W]=WARN [ 489.150386][ T9677] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 489.150388][ T9677] Call Trace: [ 489.150390][ T9677] [ 489.150391][ T9677] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 489.150397][ T9677] __might_resched.cold (kernel/sched/core.c:9234) [ 489.150402][ T9677] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 489.150406][ T9677] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 489.150411][ T9677] __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)) [ 489.150413][ T9677] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 489.150420][ T9677] ? 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) [ 489.150423][ T9677] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 489.150427][ T9677] put_chars (drivers/char/virtio_console.c:1176) [ 489.150430][ T9677] ? __send_to_port (drivers/char/virtio_console.c:654) [ 489.150432][ T9677] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 489.150437][ T9677] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 489.150442][ T9677] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 489.150450][ T9677] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 489.150453][ T9677] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.150455][ T9677] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 489.150459][ T9677] console_emit_next_record (kernel/printk/printk.c:3183) [ 489.150463][ T9677] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 489.150465][ T9677] ? 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)) [ 489.150468][ T9677] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.150470][ T9677] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 489.150474][ T9677] console_flush_one_record (kernel/printk/printk.c:3268) [ 489.150478][ T9677] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 489.150480][ T9677] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 489.150485][ T9677] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 489.150488][ T9677] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 489.150490][ T9677] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.150492][ T9677] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 489.150496][ T9677] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 489.150497][ T9677] ? vprintk_emit (kernel/printk/printk.c:2478) [ 489.150501][ T9677] vprintk_emit (kernel/printk/printk.c:2479) [ 489.150504][ T9677] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 489.150508][ T9677] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 489.150511][ T9677] _printk (kernel/printk/printk.c:2504) [ 489.150516][ T9677] ? snapshot_read.cold (user.c:?) [ 489.150518][ T9677] ? 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) [ 489.150521][ T9677] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 489.150525][ T9677] ? 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) [ 489.150527][ T9677] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 489.150531][ T9677] ? exit_notify (kernel/exit.c:780) [ 489.150533][ T9677] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 489.150536][ T9677] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.150540][ T9677] do_group_exit (kernel/exit.c:1151) [ 489.150543][ T9677] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 489.150546][ T9677] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 489.150548][ T9677] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 489.150551][ T9677] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 489.150555][ T9677] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 489.150557][ T9677] RIP: 0033:0x7f3eb02ce1b8 [ 489.150560][ T9677] Code: Unable to access opcode bytes at 0x7f3eb02ce18e. Code starting with the faulting instruction =========================================== [ 489.150561][ T9677] RSP: 002b:00007ffed539a908 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 489.150563][ T9677] RAX: ffffffffffffffda RBX: 00007f3eb03fef88 RCX: 00007f3eb02ce1b8 [ 489.150565][ T9677] RDX: 00007f3eb0018fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 489.150566][ T9677] RBP: 00007ffed539a960 R08: 0000000000000000 R09: 0000000000000000 [ 489.150567][ T9677] R10: 00007ffed539a720 R11: 0000000000000246 R12: 0000000000000001 [ 489.150567][ T9677] R13: 0000000000000000 R14: 00007f3eb03fd680 R15: 00007f3eb03fefa0 | [ 641.897009][T13562] softirqs last disabled at (41037): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 641.897011][T13562] Preemption disabled at: | [ 641.897012][T13562] 0x0 | [ 641.897022][T13562] Tainted: [W]=WARN [ 641.897023][T13562] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 641.897024][T13562] Call Trace: [ 641.897026][T13562] [ 641.897028][T13562] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 641.897033][T13562] __might_resched.cold (kernel/sched/core.c:9234) [ 641.897038][T13562] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 641.897042][T13562] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 641.897047][T13562] __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)) [ 641.897049][T13562] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 641.897056][T13562] ? 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) [ 641.897058][T13562] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 641.897062][T13562] put_chars (drivers/char/virtio_console.c:1176) [ 641.897066][T13562] ? __send_to_port (drivers/char/virtio_console.c:654) [ 641.897068][T13562] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 641.897072][T13562] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 641.897077][T13562] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 641.897085][T13562] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 641.897088][T13562] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.897090][T13562] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 641.897094][T13562] console_emit_next_record (kernel/printk/printk.c:3183) [ 641.897098][T13562] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 641.897100][T13562] ? 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)) [ 641.897103][T13562] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.897105][T13562] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 641.897109][T13562] console_flush_one_record (kernel/printk/printk.c:3268) [ 641.897113][T13562] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 641.897114][T13562] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 641.897120][T13562] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 641.897122][T13562] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 641.897124][T13562] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.897126][T13562] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 641.897130][T13562] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 641.897131][T13562] ? vprintk_emit (kernel/printk/printk.c:2478) [ 641.897135][T13562] vprintk_emit (kernel/printk/printk.c:2479) [ 641.897138][T13562] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 641.897142][T13562] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 641.897145][T13562] _printk (kernel/printk/printk.c:2504) [ 641.897149][T13562] ? snapshot_read.cold (user.c:?) [ 641.897152][T13562] ? 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) [ 641.897155][T13562] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 641.897158][T13562] ? 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) [ 641.897161][T13562] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 641.897165][T13562] ? exit_notify (kernel/exit.c:780) [ 641.897167][T13562] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 641.897170][T13562] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.897177][T13562] do_group_exit (kernel/exit.c:1151) [ 641.897180][T13562] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 641.897183][T13562] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 641.897185][T13562] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 641.897189][T13562] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 641.897192][T13562] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 641.897194][T13562] RIP: 0033:0x7f78f8eb61b8 [ 641.897197][T13562] Code: Unable to access opcode bytes at 0x7f78f8eb618e. Code starting with the faulting instruction =========================================== [ 641.897198][T13562] RSP: 002b:00007ffd965c6d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 641.897201][T13562] RAX: ffffffffffffffda RBX: 00007f78f8fe6f88 RCX: 00007f78f8eb61b8 [ 641.897202][T13562] RDX: 00007f78f8cdda88 RSI: ffffffffffffffa0 RDI: 0000000000000000 [ 641.897203][T13562] RBP: 00007ffd965c6d70 R08: 0000000000000000 R09: 0000000000000000 [ 641.897204][T13562] R10: 00007ffd965c6b50 R11: 0000000000000246 R12: 0000000000000001 [ 641.897205][T13562] R13: 0000000000000000 R14: 00007f78f8fe5680 R15: 00007f78f8fe6fa0 | [ 850.311269][T20553] softirqs last disabled at (23732): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 850.311272][T20553] Preemption disabled at: | [ 850.311272][T20553] 0x0 | [ 850.311283][T20553] Tainted: [W]=WARN [ 850.311284][T20553] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 850.311286][T20553] Call Trace: [ 850.311287][T20553] [ 850.311289][T20553] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 850.311295][T20553] __might_resched.cold (kernel/sched/core.c:9234) [ 850.311300][T20553] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 850.311304][T20553] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 850.311309][T20553] __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)) [ 850.311311][T20553] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 850.311318][T20553] ? 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) [ 850.311320][T20553] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 850.311324][T20553] put_chars (drivers/char/virtio_console.c:1176) [ 850.311328][T20553] ? __send_to_port (drivers/char/virtio_console.c:654) [ 850.311330][T20553] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 850.311335][T20553] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 850.311340][T20553] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 850.311348][T20553] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 850.311351][T20553] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 850.311353][T20553] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 850.311357][T20553] console_emit_next_record (kernel/printk/printk.c:3183) [ 850.311361][T20553] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 850.311362][T20553] ? 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)) [ 850.311366][T20553] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 850.311368][T20553] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 850.311371][T20553] console_flush_one_record (kernel/printk/printk.c:3268) [ 850.311375][T20553] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 850.311377][T20553] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 850.311382][T20553] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 850.311385][T20553] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 850.311387][T20553] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 850.311389][T20553] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 850.311392][T20553] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 850.311394][T20553] ? vprintk_emit (kernel/printk/printk.c:2478) [ 850.311397][T20553] vprintk_emit (kernel/printk/printk.c:2479) [ 850.311401][T20553] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 850.311404][T20553] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 850.311408][T20553] _printk (kernel/printk/printk.c:2504) [ 850.311412][T20553] ? snapshot_read.cold (user.c:?) [ 850.311415][T20553] ? 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) [ 850.311417][T20553] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 850.311421][T20553] ? 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) [ 850.311423][T20553] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 850.311427][T20553] ? exit_notify (kernel/exit.c:780) [ 850.311429][T20553] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 850.311432][T20553] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 850.311436][T20553] do_group_exit (kernel/exit.c:1151) [ 850.311439][T20553] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 850.311442][T20553] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 850.311444][T20553] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 850.311447][T20553] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 850.311451][T20553] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 850.311453][T20553] RIP: 0033:0x7f66ae6181b8 [ 850.311455][T20553] Code: Unable to access opcode bytes at 0x7f66ae61818e. Code starting with the faulting instruction =========================================== [ 850.311457][T20553] RSP: 002b:00007ffef3ef48f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 850.311459][T20553] RAX: ffffffffffffffda RBX: 00007f66ae748f88 RCX: 00007f66ae6181b8 [ 850.311461][T20553] RDX: 00007f66ae362fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 850.311462][T20553] RBP: 00007ffef3ef4950 R08: 0000000000000000 R09: 0000000000000000 [ 850.311463][T20553] R10: 00007ffef3ef4710 R11: 0000000000000246 R12: 0000000000000001 [ 850.311464][T20553] R13: 0000000000000000 R14: 00007f66ae747680 R15: 00007f66ae748fa0 | [ 1062.115154][T27761] softirqs last disabled at (39774): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 1062.115157][T27761] Preemption disabled at: | [ 1062.115158][T27761] 0x0 | [ 1062.115168][T27761] Tainted: [W]=WARN [ 1062.115169][T27761] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1062.115171][T27761] Call Trace: [ 1062.115174][T27761] [ 1062.115175][T27761] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 1062.115182][T27761] __might_resched.cold (kernel/sched/core.c:9234) [ 1062.115186][T27761] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 1062.115190][T27761] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 1062.115195][T27761] __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)) [ 1062.115197][T27761] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 1062.115204][T27761] ? 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) [ 1062.115206][T27761] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 1062.115210][T27761] put_chars (drivers/char/virtio_console.c:1176) [ 1062.115213][T27761] ? __send_to_port (drivers/char/virtio_console.c:654) [ 1062.115215][T27761] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 1062.115220][T27761] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 1062.115225][T27761] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 1062.115233][T27761] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 1062.115235][T27761] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 1062.115238][T27761] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 1062.115242][T27761] console_emit_next_record (kernel/printk/printk.c:3183) [ 1062.115245][T27761] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 1062.115247][T27761] ? 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)) [ 1062.115250][T27761] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 1062.115252][T27761] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 1062.115256][T27761] console_flush_one_record (kernel/printk/printk.c:3268) [ 1062.115260][T27761] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 1062.115261][T27761] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 1062.115266][T27761] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 1062.115269][T27761] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 1062.115271][T27761] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 1062.115273][T27761] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 1062.115276][T27761] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 1062.115278][T27761] ? vprintk_emit (kernel/printk/printk.c:2478) [ 1062.115281][T27761] vprintk_emit (kernel/printk/printk.c:2479) [ 1062.115284][T27761] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 1062.115288][T27761] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 1062.115291][T27761] _printk (kernel/printk/printk.c:2504) [ 1062.115295][T27761] ? snapshot_read.cold (user.c:?) [ 1062.115298][T27761] ? 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) [ 1062.115300][T27761] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 1062.115304][T27761] ? 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) [ 1062.115306][T27761] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 1062.115310][T27761] ? exit_notify (kernel/exit.c:780) [ 1062.115312][T27761] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 1062.115315][T27761] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 1062.115319][T27761] do_group_exit (kernel/exit.c:1151) [ 1062.115322][T27761] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 1062.115324][T27761] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 1062.115326][T27761] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 1062.115329][T27761] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 1062.115333][T27761] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 1062.115335][T27761] RIP: 0033:0x7f36630221b8 [ 1062.115337][T27761] Code: Unable to access opcode bytes at 0x7f366302218e. Code starting with the faulting instruction =========================================== [ 1062.115339][T27761] RSP: 002b:00007ffda863b7a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 1062.115342][T27761] RAX: ffffffffffffffda RBX: 00007f3663152f88 RCX: 00007f36630221b8 [ 1062.115343][T27761] RDX: 00007f3662f5fa48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 1062.115344][T27761] RBP: 00007ffda863b800 R08: 0000000000000000 R09: 0000000000000000 [ 1062.115345][T27761] R10: 00007ffda863b640 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print