====================================== | [ 9.414217][ T187] softirqs last disabled at (38709): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.414219][ T187] Preemption disabled at: | [ 9.414220][ T187] 0x0 | [ 9.414229][ T187] Tainted: [W]=WARN [ 9.414230][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.414232][ T187] Call Trace: [ 9.414234][ T187] [ 9.414235][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.414241][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 9.414246][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.414249][ 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) [ 9.414254][ 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)) [ 9.414256][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.414263][ 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) [ 9.414266][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.414269][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 9.414272][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.414278][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.414285][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.414288][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.414292][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.414296][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.414297][ 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)) [ 9.414300][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.414303][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.414307][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.414311][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.414312][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.414317][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.414320][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.414321][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.414323][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.414326][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.414328][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.414331][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 9.414338][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.414341][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.414345][ T187] _printk (kernel/printk/printk.c:2504) [ 9.414348][ T187] ? snapshot_read.cold (user.c:?) [ 9.414351][ 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) [ 9.414354][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.414358][ 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) [ 9.414361][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.414365][ T187] ? exit_notify (kernel/exit.c:780) [ 9.414366][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.414369][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.414373][ T187] do_group_exit (kernel/exit.c:1151) [ 9.414376][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.414378][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.414381][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.414384][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.414387][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.414390][ T187] RIP: 0033:0x7f31e8ffb1b8 [ 9.414392][ T187] Code: Unable to access opcode bytes at 0x7f31e8ffb18e. Code starting with the faulting instruction =========================================== [ 9.414393][ T187] RSP: 002b:00007ffc4d9ec628 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.414396][ T187] RAX: ffffffffffffffda RBX: 00007f31e912bf88 RCX: 00007f31e8ffb1b8 [ 9.414397][ T187] RDX: 00007f31e8d45fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.414398][ T187] RBP: 00007ffc4d9ec680 R08: 0000000000000000 R09: 0000000000000000 [ 9.414399][ T187] R10: 00007ffc4d9ec440 R11: 0000000000000246 R12: 0000000000000001 [ 9.414399][ T187] R13: 0000000000000000 R14: 00007f31e912a680 R15: 00007f31e912bfa0 | [ 13.859555][ T264] softirqs last disabled at (34507): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.859557][ T264] Preemption disabled at: | [ 13.859558][ T264] 0x0 | [ 13.859568][ T264] Tainted: [W]=WARN [ 13.859569][ T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.859570][ T264] Call Trace: [ 13.859572][ T264] [ 13.859574][ T264] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.859579][ T264] __might_resched.cold (kernel/sched/core.c:9234) [ 13.859584][ T264] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.859587][ T264] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.859592][ T264] __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)) [ 13.859594][ T264] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.859600][ T264] ? 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) [ 13.859603][ T264] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.859606][ T264] put_chars (drivers/char/virtio_console.c:1176) [ 13.859609][ T264] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.859615][ T264] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.859622][ T264] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.859625][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.859629][ T264] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.859632][ T264] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.859633][ T264] ? 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)) [ 13.859636][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.859642][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.859646][ T264] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.859650][ T264] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.859651][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.859656][ T264] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.859659][ T264] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.859660][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.859662][ T264] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.859665][ T264] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.859667][ T264] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.859670][ T264] vprintk_emit (kernel/printk/printk.c:2479) [ 13.859673][ T264] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.859676][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.859680][ T264] _printk (kernel/printk/printk.c:2504) [ 13.859683][ T264] ? snapshot_read.cold (user.c:?) [ 13.859686][ T264] ? 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) [ 13.859688][ T264] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.859692][ T264] ? 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) [ 13.859695][ T264] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.859699][ T264] ? exit_notify (kernel/exit.c:780) [ 13.859700][ T264] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.859703][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.859707][ T264] do_group_exit (kernel/exit.c:1151) [ 13.859710][ T264] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.859712][ T264] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.859714][ T264] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.859718][ T264] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.859721][ T264] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.859723][ T264] RIP: 0033:0x7f0d9ce4f1b8 [ 13.859725][ T264] Code: Unable to access opcode bytes at 0x7f0d9ce4f18e. Code starting with the faulting instruction =========================================== [ 13.859726][ T264] RSP: 002b:00007fff43537df8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.859728][ T264] RAX: ffffffffffffffda RBX: 00007f0d9cf7ff88 RCX: 00007f0d9ce4f1b8 [ 13.859730][ T264] RDX: 00007f0d9cb99fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 13.859731][ T264] RBP: 00007fff43537e50 R08: 0000000000000000 R09: 0000000000000050 [ 13.859731][ T264] R10: 00007fff43537c10 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print