====================================== | [ 10.576122][ T168] softirqs last disabled at (3951163): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.576125][ T168] Preemption disabled at: | [ 10.576125][ T168] 0x0 | [ 10.576136][ T168] Tainted: [W]=WARN [ 10.576137][ T168] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.576139][ T168] Call Trace: [ 10.576140][ T168] [ 10.576142][ T168] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.576148][ T168] __might_resched.cold (kernel/sched/core.c:9234) [ 10.576152][ T168] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.576156][ T168] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.576161][ T168] __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)) [ 10.576164][ T168] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.576171][ T168] ? 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) [ 10.576174][ T168] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.576177][ T168] put_chars (drivers/char/virtio_console.c:1176) [ 10.576180][ T168] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.576182][ T168] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.576187][ T168] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.576192][ T168] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.576199][ T168] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.576202][ T168] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.576204][ T168] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.576208][ T168] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.576212][ T168] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.576213][ T168] ? 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)) [ 10.576216][ T168] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.576218][ T168] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.576222][ T168] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.576226][ T168] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.576227][ T168] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.576233][ T168] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.576235][ T168] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.576237][ T168] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.576239][ T168] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.576242][ T168] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.576244][ T168] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.576247][ T168] vprintk_emit (kernel/printk/printk.c:2479) [ 10.576251][ T168] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.576252][ T168] ? 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) [ 10.576256][ T168] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.576260][ T168] _printk (kernel/printk/printk.c:2504) [ 10.576264][ T168] ? snapshot_read.cold (user.c:?) [ 10.576267][ T168] ? 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) [ 10.576269][ T168] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.576274][ T168] ? 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) [ 10.576277][ T168] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.576280][ T168] ? exit_notify (kernel/exit.c:780) [ 10.576282][ T168] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.576285][ T168] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.576289][ T168] do_group_exit (kernel/exit.c:1151) [ 10.576292][ T168] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.576294][ T168] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.576297][ T168] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.576301][ T168] ? irq_exit_rcu (kernel/softirq.c:786) [ 10.576304][ T168] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.576308][ T168] RIP: 0033:0x479678 [ 10.576311][ T168] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 10.576313][ T168] RSP: 002b:00007ffde0a90ef8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.576316][ T168] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 10.576317][ T168] RDX: 00000000301d8708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 10.576318][ T168] RBP: 00007ffde0a90f50 R08: 0000000000000000 R09: 00000000301d93e0 [ 10.576319][ T168] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffde0a91088 [ 10.576320][ T168] R13: 00007ffde0a91110 R14: 0000000000000000 R15: 000000000054d560 | [ 11.863473][ T200] softirqs last disabled at (4084936): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 11.863477][ T200] Preemption disabled at: | [ 11.863477][ T200] 0x0 | [ 11.863488][ T200] Tainted: [W]=WARN [ 11.863489][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.863490][ T200] Call Trace: [ 11.863492][ T200] [ 11.863493][ T200] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.863499][ T200] __might_resched.cold (kernel/sched/core.c:9234) [ 11.863504][ T200] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.863508][ T200] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.863513][ T200] __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)) [ 11.863516][ T200] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.863522][ T200] ? 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) [ 11.863525][ T200] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.863529][ T200] put_chars (drivers/char/virtio_console.c:1176) [ 11.863532][ T200] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.863534][ T200] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.863538][ T200] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.863543][ T200] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.863550][ T200] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.863553][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.863555][ T200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.863559][ T200] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.863563][ T200] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.863564][ T200] ? 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)) [ 11.863567][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.863569][ T200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.863574][ T200] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.863578][ T200] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.863579][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.863585][ T200] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.863587][ T200] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.863588][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.863590][ T200] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.863594][ T200] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.863596][ T200] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.863599][ T200] vprintk_emit (kernel/printk/printk.c:2479) [ 11.863603][ T200] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.863604][ T200] ? 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) [ 11.863607][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.863611][ T200] _printk (kernel/printk/printk.c:2504) [ 11.863615][ T200] ? snapshot_read.cold (user.c:?) [ 11.863618][ T200] ? 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) [ 11.863621][ T200] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.863626][ T200] ? 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) [ 11.863629][ T200] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.863632][ T200] ? exit_notify (kernel/exit.c:780) [ 11.863634][ T200] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.863637][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.863641][ T200] do_group_exit (kernel/exit.c:1151) [ 11.863644][ T200] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.863647][ T200] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.863650][ T200] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.863653][ T200] ? irq_exit_rcu (kernel/softirq.c:786) [ 11.863657][ T200] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.863659][ T200] RIP: 0033:0x479678 [ 11.863661][ T200] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 11.863662][ T200] RSP: 002b:00007fff5940a7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.863665][ T200] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 11.863667][ T200] RDX: 000000001e987708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 11.863668][ T200] RBP: 00007fff5940a850 R08: 0000000000000000 R09: 000000001e9883e0 [ 11.863668][ T200] R10: 0000000000000110 R11: 0000000000000246 R12: 00007fff5940a988 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print