====================================== | [ 10.399824][ T205] softirqs last disabled at (20583): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.399826][ T205] Preemption disabled at: | [ 10.399827][ T205] 0x0 | [ 10.399837][ T205] Tainted: [W]=WARN [ 10.399838][ T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.399840][ T205] Call Trace: [ 10.399841][ T205] [ 10.399842][ T205] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.399849][ T205] __might_resched.cold (kernel/sched/core.c:9234) [ 10.399853][ T205] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.399857][ T205] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.399861][ T205] __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)) [ 10.399863][ T205] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.399870][ T205] ? 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) [ 10.399873][ T205] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.399876][ T205] put_chars (drivers/char/virtio_console.c:1176) [ 10.399879][ T205] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.399880][ T205] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.399883][ T205] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.399889][ T205] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.399896][ T205] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.399899][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.399901][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.399905][ T205] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.399909][ T205] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.399910][ T205] ? 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)) [ 10.399914][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.399915][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.399919][ T205] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.399923][ T205] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.399925][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.399930][ T205] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.399933][ T205] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.399935][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.399937][ T205] ? 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) [ 10.399940][ T205] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.399942][ T205] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.399945][ T205] vprintk_emit (kernel/printk/printk.c:2479) [ 10.399948][ T205] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.399951][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.399954][ T205] _printk (kernel/printk/printk.c:2504) [ 10.399958][ T205] ? snapshot_read.cold (user.c:?) [ 10.399961][ T205] ? 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) [ 10.399963][ T205] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.399967][ T205] ? 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) [ 10.399970][ T205] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.399974][ T205] ? exit_notify (kernel/exit.c:780) [ 10.399975][ T205] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.399978][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.399981][ T205] do_group_exit (kernel/exit.c:1151) [ 10.399984][ T205] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.399986][ T205] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.399989][ T205] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.399993][ T205] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.399996][ T205] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.399998][ T205] RIP: 0033:0x7f83b5e381b8 [ 10.400000][ T205] Code: Unable to access opcode bytes at 0x7f83b5e3818e. Code starting with the faulting instruction =========================================== [ 10.400001][ T205] RSP: 002b:00007ffc884f62d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.400004][ T205] RAX: ffffffffffffffda RBX: 00007f83b5f68f88 RCX: 00007f83b5e381b8 [ 10.400005][ T205] RDX: 00007f83b5b82fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.400006][ T205] RBP: 00007ffc884f6330 R08: 0000000000000000 R09: 0000000000000050 [ 10.400007][ T205] R10: 00007ffc884f60f0 R11: 0000000000000246 R12: 0000000000000001 [ 10.400007][ T205] R13: 0000000000000000 R14: 00007f83b5f67680 R15: 00007f83b5f68fa0 | [ 23.561898][ T697] softirqs last disabled at (19120): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 23.561900][ T697] Preemption disabled at: | [ 23.561901][ T697] 0x0 | [ 23.561911][ T697] Tainted: [W]=WARN [ 23.561912][ T697] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.561914][ T697] Call Trace: [ 23.561915][ T697] [ 23.561916][ T697] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 23.561923][ T697] __might_resched.cold (kernel/sched/core.c:9234) [ 23.561927][ T697] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.561931][ T697] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 23.561935][ T697] __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)) [ 23.561937][ T697] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.561943][ T697] ? 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) [ 23.561946][ T697] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.561950][ T697] put_chars (drivers/char/virtio_console.c:1176) [ 23.561952][ T697] ? __send_to_port (drivers/char/virtio_console.c:654) [ 23.561953][ T697] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 23.561957][ T697] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 23.561962][ T697] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 23.561970][ T697] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 23.561972][ T697] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.561974][ T697] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.561978][ T697] console_emit_next_record (kernel/printk/printk.c:3183) [ 23.561983][ T697] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 23.561985][ T697] ? 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)) [ 23.561990][ T697] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.561991][ T697] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.561996][ T697] console_flush_one_record (kernel/printk/printk.c:3268) [ 23.562000][ T697] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 23.562002][ T697] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.562008][ T697] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 23.562012][ T697] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 23.562014][ T697] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.562016][ T697] ? 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) [ 23.562020][ T697] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 23.562021][ T697] ? vprintk_emit (kernel/printk/printk.c:2478) [ 23.562024][ T697] vprintk_emit (kernel/printk/printk.c:2479) [ 23.562027][ T697] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 23.562031][ T697] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.562035][ T697] _printk (kernel/printk/printk.c:2504) [ 23.562039][ T697] ? snapshot_read.cold (user.c:?) [ 23.562042][ T697] ? 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) [ 23.562045][ T697] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 23.562049][ T697] ? 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) [ 23.562052][ T697] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 23.562056][ T697] ? exit_notify (kernel/exit.c:780) [ 23.562057][ T697] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.562060][ T697] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.562064][ T697] do_group_exit (kernel/exit.c:1151) [ 23.562068][ T697] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 23.562070][ T697] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 23.562072][ T697] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 23.562076][ T697] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 23.562080][ T697] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 23.562082][ T697] RIP: 0033:0x7f92be2111b8 [ 23.562084][ T697] Code: Unable to access opcode bytes at 0x7f92be21118e. Code starting with the faulting instruction =========================================== [ 23.562085][ T697] RSP: 002b:00007fffd2a98368 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 23.562088][ T697] RAX: ffffffffffffffda RBX: 00007f92be341f88 RCX: 00007f92be2111b8 [ 23.562089][ T697] RDX: 00007f92bdf5bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 23.562090][ T697] RBP: 00007fffd2a983c0 R08: 0000000000000000 R09: 0000000000000050 [ 23.562090][ T697] R10: 00007fffd2a98180 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