====================================== | [ 11.390150][ T261] softirqs last disabled at (20150): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 11.390152][ T261] Preemption disabled at: | [ 11.390153][ T261] 0x0 | [ 11.390163][ T261] Tainted: [W]=WARN [ 11.390164][ T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.390165][ T261] Call Trace: [ 11.390166][ T261] [ 11.390168][ T261] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.390174][ T261] __might_resched.cold (kernel/sched/core.c:9234) [ 11.390179][ T261] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.390183][ T261] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.390188][ T261] __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)) [ 11.390190][ T261] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.390195][ T261] ? 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) [ 11.390198][ T261] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.390202][ T261] put_chars (drivers/char/virtio_console.c:1176) [ 11.390205][ T261] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.390206][ T261] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.390211][ T261] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.390216][ T261] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.390223][ T261] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.390225][ T261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.390227][ T261] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.390231][ T261] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.390235][ T261] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.390237][ T261] ? 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)) [ 11.390240][ T261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.390242][ T261] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.390246][ T261] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.390250][ T261] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.390252][ T261] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.390257][ T261] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.390260][ T261] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.390262][ T261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.390264][ T261] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.390267][ T261] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.390269][ T261] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.390272][ T261] vprintk_emit (kernel/printk/printk.c:2479) [ 11.390276][ T261] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.390279][ T261] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.390283][ T261] _printk (kernel/printk/printk.c:2504) [ 11.390286][ T261] ? snapshot_read.cold (user.c:?) [ 11.390289][ T261] ? 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) [ 11.390291][ T261] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.390295][ T261] ? 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) [ 11.390298][ T261] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.390302][ T261] ? exit_notify (kernel/exit.c:780) [ 11.390303][ T261] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.390305][ T261] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.390309][ T261] do_group_exit (kernel/exit.c:1151) [ 11.390312][ T261] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.390314][ T261] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.390317][ T261] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.390320][ T261] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.390323][ T261] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.390325][ T261] RIP: 0033:0x7fcd0b38c1b8 [ 11.390327][ T261] Code: Unable to access opcode bytes at 0x7fcd0b38c18e. Code starting with the faulting instruction =========================================== [ 11.390328][ T261] RSP: 002b:00007ffcb5d71198 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.390330][ T261] RAX: ffffffffffffffda RBX: 00007fcd0b4bcf88 RCX: 00007fcd0b38c1b8 [ 11.390332][ T261] RDX: 00007fcd0b0d6fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.390333][ T261] RBP: 00007ffcb5d711f0 R08: 0000000000000000 R09: 0000000000000050 [ 11.390333][ T261] R10: 00007ffcb5d70fb0 R11: 0000000000000246 R12: 0000000000000001 [ 11.390334][ T261] R13: 0000000000000000 R14: 00007fcd0b4bb680 R15: 00007fcd0b4bcfa0 | [ 25.186411][ T476] softirqs last disabled at (5926249): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 25.186413][ T476] Preemption disabled at: | [ 25.186414][ T476] 0x0 | [ 25.186424][ T476] Tainted: [W]=WARN [ 25.186425][ T476] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.186427][ T476] Call Trace: [ 25.186429][ T476] [ 25.186430][ T476] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.186436][ T476] __might_resched.cold (kernel/sched/core.c:9234) [ 25.186441][ T476] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.186445][ T476] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.186450][ T476] __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)) [ 25.186452][ T476] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.186458][ T476] ? 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) [ 25.186461][ T476] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.186464][ T476] put_chars (drivers/char/virtio_console.c:1176) [ 25.186467][ T476] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 25.186469][ T476] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.186472][ T476] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.186476][ T476] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.186478][ T476] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.186482][ T476] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.186485][ T476] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.186487][ T476] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.186488][ T476] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.186492][ T476] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.186494][ T476] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 25.186497][ T476] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.186500][ T476] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.186504][ T476] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.186508][ T476] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.186509][ T476] ? 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)) [ 25.186512][ T476] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.186515][ T476] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.186519][ T476] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.186523][ T476] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.186524][ T476] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.186529][ T476] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.186532][ T476] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.186534][ T476] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.186536][ T476] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 25.186540][ T476] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.186541][ T476] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.186545][ T476] vprintk_emit (kernel/printk/printk.c:2479) [ 25.186548][ T476] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.186551][ T476] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.186555][ T476] _printk (kernel/printk/printk.c:2504) [ 25.186558][ T476] ? snapshot_read.cold (user.c:?) [ 25.186561][ T476] ? 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) [ 25.186563][ T476] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.186567][ T476] ? 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) [ 25.186570][ T476] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 25.186574][ T476] ? exit_notify (kernel/exit.c:780) [ 25.186578][ T476] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 25.186580][ T476] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 25.186583][ T476] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.186587][ T476] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.186590][ T476] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.186592][ T476] RIP: 0033:0x7fc845d99c49 [ 25.186594][ T476] Code: Unable to access opcode bytes at 0x7fc845d99c1f. Code starting with the faulting instruction =========================================== [ 25.186595][ T476] RSP: 002b:00007fc845558e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 25.186598][ T476] RAX: ffffffffffffffda RBX: 00007fc8455596c0 RCX: 00007fc845d99c49 [ 25.186599][ T476] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 25.186600][ T476] RBP: 00007fc845558f70 R08: 0000000000000001 R09: 00007fc8455596c0 [ 25.186601][ T476] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fc844d59000 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print