====================================== | [ 10.087457][ T191] softirqs last disabled at (50209): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.087460][ T191] Preemption disabled at: | [ 10.087460][ T191] 0x0 | [ 10.087470][ T191] Tainted: [W]=WARN [ 10.087471][ T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.087472][ T191] Call Trace: [ 10.087474][ T191] [ 10.087475][ T191] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.087481][ T191] __might_resched.cold (kernel/sched/core.c:9234) [ 10.087485][ T191] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.087489][ T191] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.087494][ T191] __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)) [ 10.087496][ T191] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.087503][ T191] ? 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) [ 10.087506][ T191] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.087509][ T191] put_chars (drivers/char/virtio_console.c:1176) [ 10.087512][ T191] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.087518][ T191] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.087525][ T191] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.087528][ T191] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.087532][ T191] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.087535][ T191] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.087536][ T191] ? 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)) [ 10.087539][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.087543][ T191] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.087547][ T191] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.087550][ T191] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.087552][ T191] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.087557][ T191] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.087559][ T191] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.087569][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.087571][ T191] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.087575][ T191] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.087577][ T191] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.087580][ T191] vprintk_emit (kernel/printk/printk.c:2479) [ 10.087583][ T191] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.087586][ T191] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.087590][ T191] _printk (kernel/printk/printk.c:2504) [ 10.087593][ T191] ? snapshot_read.cold (user.c:?) [ 10.087596][ T191] ? 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) [ 10.087599][ T191] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.087603][ T191] ? 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) [ 10.087606][ T191] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.087609][ T191] ? exit_notify (kernel/exit.c:780) [ 10.087611][ T191] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.087614][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.087617][ T191] do_group_exit (kernel/exit.c:1151) [ 10.087620][ T191] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.087622][ T191] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.087625][ T191] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.087628][ T191] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.087631][ T191] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.087633][ T191] RIP: 0033:0x7f0814a101b8 [ 10.087635][ T191] Code: Unable to access opcode bytes at 0x7f0814a1018e. Code starting with the faulting instruction =========================================== [ 10.087637][ T191] RSP: 002b:00007ffeacc03268 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.087639][ T191] RAX: ffffffffffffffda RBX: 00007f0814b40f88 RCX: 00007f0814a101b8 [ 10.087640][ T191] RDX: 00007f081475afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.087641][ T191] RBP: 00007ffeacc032c0 R08: 0000000000000000 R09: 0000000000000000 [ 10.087642][ T191] R10: 00007ffeacc03080 R11: 0000000000000246 R12: 0000000000000001 [ 10.087643][ T191] R13: 0000000000000000 R14: 00007f0814b3f680 R15: 00007f0814b40fa0 | [ 18.493662][ T422] softirqs last disabled at (55077): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 18.493665][ T422] Preemption disabled at: | [ 18.493665][ T422] 0x0 | [ 18.493676][ T422] Tainted: [W]=WARN [ 18.493677][ T422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.493678][ T422] Call Trace: [ 18.493680][ T422] [ 18.493681][ T422] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.493687][ T422] __might_resched.cold (kernel/sched/core.c:9234) [ 18.493692][ T422] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.493695][ T422] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.493700][ T422] __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)) [ 18.493703][ T422] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.493709][ T422] ? 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) [ 18.493712][ T422] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.493715][ T422] put_chars (drivers/char/virtio_console.c:1176) [ 18.493718][ T422] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.493725][ T422] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.493732][ T422] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.493735][ T422] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.493740][ T422] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.493743][ T422] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.493744][ T422] ? 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)) [ 18.493747][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.493750][ T422] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.493755][ T422] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.493758][ T422] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.493760][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.493765][ T422] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.493768][ T422] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.493769][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.493771][ T422] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.493775][ T422] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.493777][ T422] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.493780][ T422] vprintk_emit (kernel/printk/printk.c:2479) [ 18.493783][ T422] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.493786][ T422] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.493790][ T422] _printk (kernel/printk/printk.c:2504) [ 18.493794][ T422] ? snapshot_read.cold (user.c:?) [ 18.493796][ T422] ? 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) [ 18.493799][ T422] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.493803][ T422] ? 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) [ 18.493806][ T422] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 18.493810][ T422] ? exit_notify (kernel/exit.c:780) [ 18.493812][ T422] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 18.493815][ T422] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.493818][ T422] do_group_exit (kernel/exit.c:1151) [ 18.493821][ T422] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 18.493823][ T422] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 18.493826][ T422] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 18.493830][ T422] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 18.493833][ T422] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 18.493836][ T422] RIP: 0033:0x7f6f5886c1b8 [ 18.493838][ T422] Code: Unable to access opcode bytes at 0x7f6f5886c18e. Code starting with the faulting instruction =========================================== [ 18.493839][ T422] RSP: 002b:00007fff5bfad878 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 18.493841][ T422] RAX: ffffffffffffffda RBX: 00007f6f5899cf88 RCX: 00007f6f5886c1b8 [ 18.493843][ T422] RDX: 00007f6f5866da48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 18.493843][ T422] RBP: 00007fff5bfad8d0 R08: 0000000000000000 R09: 0000000000000130 [ 18.493844][ T422] R10: 00007fff5bfad690 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print