====================================== | [ 9.537205][ T180] softirqs last disabled at (19867): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.537208][ T180] Preemption disabled at: | [ 9.537209][ T180] 0x0 | [ 9.537222][ T180] Tainted: [W]=WARN [ 9.537224][ T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.537226][ T180] Call Trace: [ 9.537228][ T180] [ 9.537231][ T180] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.537238][ T180] __might_resched.cold (kernel/sched/core.c:9234) [ 9.537244][ T180] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.537250][ T180] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.537257][ T180] __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)) [ 9.537261][ T180] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.537270][ T180] ? 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) [ 9.537274][ T180] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.537280][ T180] put_chars (drivers/char/virtio_console.c:1176) [ 9.537285][ T180] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.537288][ T180] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.537294][ T180] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.537304][ T180] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.537315][ T180] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.537320][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.537323][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.537330][ T180] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.537336][ T180] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.537338][ T180] ? 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)) [ 9.537343][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.537347][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.537354][ T180] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.537361][ T180] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.537363][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.537372][ T180] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.537376][ T180] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.537379][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.537382][ T180] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.537389][ T180] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.537391][ T180] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.537396][ T180] vprintk_emit (kernel/printk/printk.c:2479) [ 9.537402][ T180] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.537408][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.537414][ T180] _printk (kernel/printk/printk.c:2504) [ 9.537419][ T180] ? snapshot_read.cold (user.c:?) [ 9.537424][ T180] ? 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) [ 9.537428][ T180] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.537434][ T180] ? 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) [ 9.537438][ T180] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.537444][ T180] ? exit_notify (kernel/exit.c:780) [ 9.537446][ T180] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.537450][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.537457][ T180] do_group_exit (kernel/exit.c:1151) [ 9.537463][ T180] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.537466][ T180] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.537469][ T180] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.537474][ T180] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.537479][ T180] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.537482][ T180] RIP: 0033:0x7f28114e41b8 [ 9.537486][ T180] Code: Unable to access opcode bytes at 0x7f28114e418e. Code starting with the faulting instruction =========================================== [ 9.537488][ T180] RSP: 002b:00007fff9d747c98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.537491][ T180] RAX: ffffffffffffffda RBX: 00007f2811614f88 RCX: 00007f28114e41b8 [ 9.537493][ T180] RDX: 00007f281122efc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.537494][ T180] RBP: 00007fff9d747cf0 R08: 0000000000000000 R09: 0000000000000050 [ 9.537496][ T180] R10: 00007fff9d747ab0 R11: 0000000000000246 R12: 0000000000000001 [ 9.537498][ T180] R13: 0000000000000000 R14: 00007f2811613680 R15: 00007f2811614fa0 | [ 21.671388][ T537] softirqs last disabled at (62925): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 21.671390][ T537] Preemption disabled at: | [ 21.671391][ T537] 0x0 | [ 21.671401][ T537] Tainted: [W]=WARN [ 21.671402][ T537] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.671403][ T537] Call Trace: [ 21.671405][ T537] [ 21.671407][ T537] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.671413][ T537] __might_resched.cold (kernel/sched/core.c:9234) [ 21.671418][ T537] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.671422][ T537] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 21.671427][ T537] __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)) [ 21.671429][ T537] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.671435][ T537] ? 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) [ 21.671438][ T537] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.671441][ T537] put_chars (drivers/char/virtio_console.c:1176) [ 21.671445][ T537] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.671447][ T537] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.671451][ T537] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.671457][ T537] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.671464][ T537] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.671467][ T537] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.671469][ T537] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.671473][ T537] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.671477][ T537] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.671478][ T537] ? 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)) [ 21.671481][ T537] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.671484][ T537] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.671487][ T537] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.671491][ T537] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.671493][ T537] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.671498][ T537] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.671501][ T537] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.671503][ T537] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.671505][ T537] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 21.671508][ T537] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.671510][ T537] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.671513][ T537] vprintk_emit (kernel/printk/printk.c:2479) [ 21.671517][ T537] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.671518][ T537] ? 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) [ 21.671521][ T537] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.671525][ T537] _printk (kernel/printk/printk.c:2504) [ 21.671529][ T537] ? snapshot_read.cold (user.c:?) [ 21.671531][ T537] ? 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) [ 21.671534][ T537] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.671538][ T537] ? 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) [ 21.671540][ T537] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 21.671544][ T537] ? exit_notify (kernel/exit.c:780) [ 21.671546][ T537] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.671548][ T537] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.671552][ T537] do_group_exit (kernel/exit.c:1151) [ 21.671556][ T537] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 21.671558][ T537] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 21.671560][ T537] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 21.671564][ T537] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 21.671567][ T537] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.671570][ T537] RIP: 0033:0x7f8a0c9201b8 [ 21.671572][ T537] Code: Unable to access opcode bytes at 0x7f8a0c92018e. Code starting with the faulting instruction =========================================== [ 21.671573][ T537] RSP: 002b:00007ffe06ed5ef8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 21.671576][ T537] RAX: ffffffffffffffda RBX: 00007f8a0ca50f88 RCX: 00007f8a0c9201b8 [ 21.671577][ T537] RDX: 00007f8a0c85da48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 21.671578][ T537] RBP: 00007ffe06ed5f50 R08: 0000000000000000 R09: 0000000000000000 [ 21.671579][ T537] R10: 00007ffe06ed5d90 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print