====================================== | [ 10.090314][ T203] softirqs last disabled at (33919): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.090316][ T203] Preemption disabled at: | [ 10.090317][ T203] 0x0 | [ 10.090328][ T203] Tainted: [W]=WARN [ 10.090329][ T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.090331][ T203] Call Trace: [ 10.090333][ T203] [ 10.090334][ T203] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.090341][ T203] __might_resched.cold (kernel/sched/core.c:9234) [ 10.090346][ T203] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.090350][ T203] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.090355][ T203] __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)) [ 10.090357][ T203] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.090364][ T203] ? 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) [ 10.090366][ T203] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.090370][ T203] put_chars (drivers/char/virtio_console.c:1176) [ 10.090373][ T203] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.090375][ T203] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.090380][ T203] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.090385][ T203] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.090393][ T203] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.090395][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.090398][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.090402][ T203] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.090406][ T203] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.090407][ T203] ? 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)) [ 10.090410][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.090412][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.090416][ T203] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.090420][ T203] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.090422][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.090427][ T203] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.090429][ T203] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.090431][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.090433][ T203] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.090436][ T203] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.090438][ T203] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.090441][ T203] vprintk_emit (kernel/printk/printk.c:2479) [ 10.090445][ T203] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.090448][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.090451][ T203] _printk (kernel/printk/printk.c:2504) [ 10.090455][ T203] ? snapshot_read.cold (user.c:?) [ 10.090458][ T203] ? 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) [ 10.090461][ T203] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.090464][ T203] ? 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) [ 10.090467][ T203] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.090470][ T203] ? exit_notify (kernel/exit.c:780) [ 10.090472][ T203] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.090475][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.090479][ T203] do_group_exit (kernel/exit.c:1151) [ 10.090482][ T203] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.090484][ T203] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.090486][ T203] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.090490][ T203] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.090493][ T203] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.090496][ T203] RIP: 0033:0x7f565a3f01b8 [ 10.090498][ T203] Code: Unable to access opcode bytes at 0x7f565a3f018e. Code starting with the faulting instruction =========================================== [ 10.090499][ T203] RSP: 002b:00007ffe2cff0798 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.090501][ T203] RAX: ffffffffffffffda RBX: 00007f565a520f88 RCX: 00007f565a3f01b8 [ 10.090503][ T203] RDX: 00007f565a32da48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 10.090504][ T203] RBP: 00007ffe2cff07f0 R08: 0000000000000000 R09: 0000000000000020 [ 10.090505][ T203] R10: 00007ffe2cff0630 R11: 0000000000000246 R12: 0000000000000002 [ 10.090505][ T203] R13: 0000000000000000 R14: 00007f565a51f680 R15: 00007f565a520fa0 | [ 11.509610][ T248] softirqs last disabled at (25469): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.509618][ T248] Preemption disabled at: | [ 11.509619][ T248] 0x0 | [ 11.509630][ T248] Tainted: [W]=WARN [ 11.509631][ T248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.509633][ T248] Call Trace: [ 11.509635][ T248] [ 11.509636][ T248] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.509643][ T248] __might_resched.cold (kernel/sched/core.c:9234) [ 11.509648][ T248] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.509652][ T248] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.509657][ T248] __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)) [ 11.509659][ T248] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.509666][ T248] ? 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) [ 11.509668][ T248] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.509672][ T248] put_chars (drivers/char/virtio_console.c:1176) [ 11.509676][ T248] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.509678][ T248] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.509682][ T248] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.509688][ T248] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.509695][ T248] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.509698][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.509700][ T248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.509704][ T248] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.509708][ T248] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.509710][ T248] ? 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)) [ 11.509713][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.509715][ T248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.509719][ T248] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.509726][ T248] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.509727][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.509733][ T248] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.509736][ T248] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.509738][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.509740][ T248] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.509744][ T248] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.509745][ T248] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.509749][ T248] vprintk_emit (kernel/printk/printk.c:2479) [ 11.509752][ T248] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.509756][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.509759][ T248] _printk (kernel/printk/printk.c:2504) [ 11.509763][ T248] ? snapshot_read.cold (user.c:?) [ 11.509766][ T248] ? 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) [ 11.509769][ T248] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.509773][ T248] ? 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) [ 11.509775][ T248] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.509779][ T248] ? exit_notify (kernel/exit.c:780) [ 11.509781][ T248] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.509784][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.509788][ T248] do_group_exit (kernel/exit.c:1151) [ 11.509791][ T248] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.509794][ T248] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.509796][ T248] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.509800][ T248] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.509803][ T248] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.509805][ T248] RIP: 0033:0x7fefa56f61b8 [ 11.509808][ T248] Code: Unable to access opcode bytes at 0x7fefa56f618e. Code starting with the faulting instruction =========================================== [ 11.509809][ T248] RSP: 002b:00007ffcfa4c7318 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.509811][ T248] RAX: ffffffffffffffda RBX: 00007fefa5826f88 RCX: 00007fefa56f61b8 [ 11.509813][ T248] RDX: 00007fefa5440fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.509814][ T248] RBP: 00007ffcfa4c7370 R08: 0000000000000000 R09: 0000000000000050 [ 11.509815][ T248] R10: 00007ffcfa4c7130 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print