====================================== | [ 11.799526][ T187] softirqs last disabled at (43589): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.799528][ T187] Preemption disabled at: | [ 11.799529][ T187] 0x0 | [ 11.799540][ T187] Tainted: [W]=WARN [ 11.799541][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.799543][ T187] Call Trace: [ 11.799545][ T187] [ 11.799546][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.799552][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 11.799557][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.799561][ T187] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.799566][ T187] __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)) [ 11.799568][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.799574][ T187] ? 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) [ 11.799577][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.799580][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 11.799583][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.799584][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.799589][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.799594][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.799601][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.799603][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.799605][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.799609][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.799613][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.799615][ T187] ? 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)) [ 11.799618][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.799621][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.799625][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.799629][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.799631][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.799636][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.799639][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.799641][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.799643][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.799647][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.799649][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.799652][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 11.799656][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.799660][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.799663][ T187] _printk (kernel/printk/printk.c:2504) [ 11.799667][ T187] ? snapshot_read.cold (user.c:?) [ 11.799670][ T187] ? 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) [ 11.799673][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.799677][ T187] ? 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) [ 11.799680][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.799683][ T187] ? exit_notify (kernel/exit.c:780) [ 11.799685][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.799688][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.799693][ T187] do_group_exit (kernel/exit.c:1151) [ 11.799695][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.799697][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.799699][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.799703][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.799706][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.799708][ T187] RIP: 0033:0x7f1ce7ba51b8 [ 11.799710][ T187] Code: Unable to access opcode bytes at 0x7f1ce7ba518e. Code starting with the faulting instruction =========================================== [ 11.799711][ T187] RSP: 002b:00007fffe4e7f6d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.799714][ T187] RAX: ffffffffffffffda RBX: 00007f1ce7cd5f88 RCX: 00007f1ce7ba51b8 [ 11.799715][ T187] RDX: 00007f1ce78effc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.799716][ T187] RBP: 00007fffe4e7f730 R08: 0000000000000000 R09: 0000000000008010 [ 11.799717][ T187] R10: 00007fffe4e7f4f0 R11: 0000000000000246 R12: 0000000000000001 [ 11.799718][ T187] R13: 0000000000000000 R14: 00007f1ce7cd4680 R15: 00007f1ce7cd5fa0 | [ 134.091353][ T1073] softirqs last disabled at (23765): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 134.091356][ T1073] Preemption disabled at: | [ 134.091356][ T1073] 0x0 | [ 134.091368][ T1073] Tainted: [W]=WARN [ 134.091369][ T1073] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 134.091370][ T1073] Call Trace: [ 134.091372][ T1073] [ 134.091374][ T1073] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 134.091380][ T1073] __might_resched.cold (kernel/sched/core.c:9234) [ 134.091384][ T1073] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 134.091388][ T1073] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 134.091393][ T1073] __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)) [ 134.091396][ T1073] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 134.091402][ T1073] ? 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) [ 134.091404][ T1073] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 134.091408][ T1073] put_chars (drivers/char/virtio_console.c:1176) [ 134.091411][ T1073] ? __send_to_port (drivers/char/virtio_console.c:654) [ 134.091412][ T1073] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 134.091417][ T1073] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 134.091422][ T1073] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 134.091429][ T1073] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 134.091431][ T1073] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 134.091433][ T1073] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 134.091437][ T1073] console_emit_next_record (kernel/printk/printk.c:3183) [ 134.091442][ T1073] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 134.091443][ T1073] ? 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)) [ 134.091447][ T1073] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 134.091449][ T1073] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 134.091453][ T1073] console_flush_one_record (kernel/printk/printk.c:3268) [ 134.091458][ T1073] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 134.091459][ T1073] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 134.091465][ T1073] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 134.091468][ T1073] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 134.091470][ T1073] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 134.091472][ T1073] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 134.091476][ T1073] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 134.091478][ T1073] ? vprintk_emit (kernel/printk/printk.c:2478) [ 134.091481][ T1073] vprintk_emit (kernel/printk/printk.c:2479) [ 134.091485][ T1073] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 134.091489][ T1073] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 134.091493][ T1073] _printk (kernel/printk/printk.c:2504) [ 134.091497][ T1073] ? snapshot_read.cold (user.c:?) [ 134.091500][ T1073] ? 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) [ 134.091502][ T1073] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 134.091506][ T1073] ? 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) [ 134.091509][ T1073] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 134.091513][ T1073] ? exit_notify (kernel/exit.c:780) [ 134.091515][ T1073] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 134.091518][ T1073] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 134.091527][ T1073] do_group_exit (kernel/exit.c:1151) [ 134.091530][ T1073] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 134.091532][ T1073] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 134.091534][ T1073] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 134.091538][ T1073] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 134.091541][ T1073] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 134.091543][ T1073] RIP: 0033:0x7f9976a531b8 [ 134.091546][ T1073] Code: Unable to access opcode bytes at 0x7f9976a5318e. Code starting with the faulting instruction =========================================== [ 134.091547][ T1073] RSP: 002b:00007ffca0517d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 134.091549][ T1073] RAX: ffffffffffffffda RBX: 00007f9976b83f88 RCX: 00007f9976a531b8 [ 134.091551][ T1073] RDX: 00007f9976877a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 134.091552][ T1073] RBP: 00007ffca0517d70 R08: 00000000ffffffff R09: 0000000000000030 [ 134.091553][ T1073] R10: 00007ffca0517b90 R11: 0000000000000246 R12: 0000000000000004 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print