====================================== | [ 11.683297][ T205] softirqs last disabled at (42489): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.683300][ T205] Preemption disabled at: | [ 11.683301][ T205] 0x0 | [ 11.683313][ T205] Tainted: [W]=WARN [ 11.683315][ T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.683317][ T205] Call Trace: [ 11.683319][ T205] [ 11.683321][ T205] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.683328][ T205] __might_resched.cold (kernel/sched/core.c:9234) [ 11.683334][ T205] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.683339][ 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) [ 11.683345][ 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)) [ 11.683348][ T205] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.683357][ 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) [ 11.683361][ T205] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.683366][ T205] put_chars (drivers/char/virtio_console.c:1176) [ 11.683369][ T205] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.683371][ T205] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.683376][ T205] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.683384][ T205] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.683395][ T205] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.683398][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.683401][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.683407][ T205] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.683413][ T205] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.683415][ 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)) [ 11.683420][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.683422][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.683428][ T205] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.683435][ T205] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.683437][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.683445][ T205] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.683449][ T205] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.683451][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.683454][ 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) [ 11.683460][ T205] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.683462][ T205] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.683466][ T205] vprintk_emit (kernel/printk/printk.c:2479) [ 11.683471][ T205] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.683475][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.683481][ T205] _printk (kernel/printk/printk.c:2504) [ 11.683485][ T205] ? snapshot_read.cold (user.c:?) [ 11.683489][ 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) [ 11.683493][ T205] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.683499][ 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) [ 11.683503][ T205] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.683508][ T205] ? exit_notify (kernel/exit.c:780) [ 11.683509][ T205] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.683513][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.683519][ T205] do_group_exit (kernel/exit.c:1151) [ 11.683523][ T205] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.683526][ T205] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.683529][ T205] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.683533][ T205] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.683538][ T205] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.683540][ T205] RIP: 0033:0x7f70788a71b8 [ 11.683543][ T205] Code: Unable to access opcode bytes at 0x7f70788a718e. Code starting with the faulting instruction =========================================== [ 11.683545][ T205] RSP: 002b:00007ffe86f5ef48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.683547][ T205] RAX: ffffffffffffffda RBX: 00007f70789d7f88 RCX: 00007f70788a71b8 [ 11.683549][ T205] RDX: 00007f70785f1fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.683550][ T205] RBP: 00007ffe86f5efa0 R08: 0000000000000000 R09: 0000000000008010 [ 11.683552][ T205] R10: 00007ffe86f5ed60 R11: 0000000000000246 R12: 0000000000000001 [ 11.683553][ T205] R13: 0000000000000000 R14: 00007f70789d6680 R15: 00007f70789d7fa0 | [ 14.732479][ T288] softirqs last disabled at (21296): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 14.732481][ T288] Preemption disabled at: | [ 14.732482][ T288] 0x0 | [ 14.732492][ T288] Tainted: [W]=WARN [ 14.732493][ T288] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.732495][ T288] Call Trace: [ 14.732497][ T288] [ 14.732498][ T288] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.732504][ T288] __might_resched.cold (kernel/sched/core.c:9234) [ 14.732509][ T288] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.732514][ T288] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.732518][ T288] __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)) [ 14.732520][ T288] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.732526][ T288] ? 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) [ 14.732529][ T288] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.732533][ T288] put_chars (drivers/char/virtio_console.c:1176) [ 14.732536][ T288] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.732537][ T288] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.732541][ T288] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.732546][ T288] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.732554][ T288] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.732556][ T288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.732558][ T288] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.732565][ T288] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.732569][ T288] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.732571][ T288] ? 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)) [ 14.732575][ T288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.732576][ T288] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.732580][ T288] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.732585][ T288] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.732586][ T288] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.732592][ T288] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.732595][ T288] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.732597][ T288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.732598][ T288] ? 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) [ 14.732602][ T288] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.732604][ T288] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.732606][ T288] vprintk_emit (kernel/printk/printk.c:2479) [ 14.732609][ T288] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.732612][ T288] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.732616][ T288] _printk (kernel/printk/printk.c:2504) [ 14.732620][ T288] ? snapshot_read.cold (user.c:?) [ 14.732622][ T288] ? 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) [ 14.732625][ T288] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.732629][ T288] ? 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) [ 14.732631][ T288] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.732635][ T288] ? exit_notify (kernel/exit.c:780) [ 14.732636][ T288] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.732639][ T288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.732643][ T288] do_group_exit (kernel/exit.c:1151) [ 14.732645][ T288] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.732647][ T288] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.732650][ T288] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.732653][ T288] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.732656][ T288] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.732659][ T288] RIP: 0033:0x7fc5127451b8 [ 14.732661][ T288] Code: Unable to access opcode bytes at 0x7fc51274518e. Code starting with the faulting instruction =========================================== [ 14.732661][ T288] RSP: 002b:00007ffc4403d758 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 14.732664][ T288] RAX: ffffffffffffffda RBX: 00007fc512875f88 RCX: 00007fc5127451b8 [ 14.732665][ T288] RDX: 00007fc51248ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 14.732666][ T288] RBP: 00007ffc4403d7b0 R08: 0000000000000000 R09: 0000000000000050 [ 14.732667][ T288] R10: 00007ffc4403d570 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