====================================== | [ 10.966233][ T188] softirqs last disabled at (48201): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.966235][ T188] Preemption disabled at: | [ 10.966236][ T188] 0x0 | [ 10.966245][ T188] Tainted: [W]=WARN [ 10.966246][ T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.966248][ T188] Call Trace: [ 10.966249][ T188] [ 10.966251][ T188] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.966256][ T188] __might_resched.cold (kernel/sched/core.c:9234) [ 10.966260][ T188] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.966263][ T188] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.966268][ T188] __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)) [ 10.966271][ T188] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.966277][ T188] ? 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) [ 10.966280][ T188] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.966283][ T188] put_chars (drivers/char/virtio_console.c:1176) [ 10.966286][ T188] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.966293][ T188] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.966300][ T188] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.966302][ T188] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.966307][ T188] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.966310][ T188] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.966312][ T188] ? 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)) [ 10.966314][ T188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.966318][ T188] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.966322][ T188] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.966325][ T188] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.966326][ T188] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.966332][ T188] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.966334][ T188] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.966335][ T188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.966337][ T188] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.966341][ T188] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.966343][ T188] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.966346][ T188] vprintk_emit (kernel/printk/printk.c:2479) [ 10.966349][ T188] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.966352][ T188] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.966356][ T188] _printk (kernel/printk/printk.c:2504) [ 10.966359][ T188] ? snapshot_read.cold (user.c:?) [ 10.966362][ T188] ? 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) [ 10.966365][ T188] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.966368][ T188] ? 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) [ 10.966371][ T188] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.966375][ T188] ? exit_notify (kernel/exit.c:780) [ 10.966377][ T188] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.966380][ T188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.966383][ T188] do_group_exit (kernel/exit.c:1151) [ 10.966386][ T188] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.966388][ T188] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.966391][ T188] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.966395][ T188] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.966398][ T188] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.966400][ T188] RIP: 0033:0x7f52e56d61b8 [ 10.966403][ T188] Code: Unable to access opcode bytes at 0x7f52e56d618e. Code starting with the faulting instruction =========================================== [ 10.966404][ T188] RSP: 002b:00007ffd5f096ea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.966406][ T188] RAX: ffffffffffffffda RBX: 00007f52e5806f88 RCX: 00007f52e56d61b8 [ 10.966407][ T188] RDX: 00007f52e5420fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.966408][ T188] RBP: 00007ffd5f096f00 R08: 0000000000000000 R09: 0000000000000000 [ 10.966409][ T188] R10: 00007ffd5f096cc0 R11: 0000000000000246 R12: 0000000000000001 [ 10.966410][ T188] R13: 0000000000000000 R14: 00007f52e5805680 R15: 00007f52e5806fa0 | [ 15.801904][ T265] softirqs last disabled at (29589): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 15.801907][ T265] Preemption disabled at: | [ 15.801908][ T265] 0x0 | [ 15.801918][ T265] Tainted: [W]=WARN [ 15.801919][ T265] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.801920][ T265] Call Trace: [ 15.801922][ T265] [ 15.801923][ T265] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.801929][ T265] __might_resched.cold (kernel/sched/core.c:9234) [ 15.801935][ T265] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.801940][ T265] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.801945][ T265] __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)) [ 15.801948][ T265] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.801954][ T265] ? 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) [ 15.801957][ T265] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.801960][ T265] put_chars (drivers/char/virtio_console.c:1176) [ 15.801963][ T265] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.801969][ T265] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.801976][ T265] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.801979][ T265] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.801983][ T265] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.801987][ T265] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.801988][ T265] ? 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)) [ 15.801990][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.801994][ T265] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.801998][ T265] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.802001][ T265] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.802003][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.802008][ T265] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.802010][ T265] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.802012][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.802013][ T265] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.802017][ T265] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.802019][ T265] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.802022][ T265] vprintk_emit (kernel/printk/printk.c:2479) [ 15.802025][ T265] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.802028][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.802032][ T265] _printk (kernel/printk/printk.c:2504) [ 15.802037][ T265] ? snapshot_read.cold (user.c:?) [ 15.802041][ T265] ? 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) [ 15.802043][ T265] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.802047][ T265] ? 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) [ 15.802050][ T265] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.802054][ T265] ? exit_notify (kernel/exit.c:780) [ 15.802056][ T265] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.802058][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.802062][ T265] do_group_exit (kernel/exit.c:1151) [ 15.802065][ T265] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.802067][ T265] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.802070][ T265] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.802073][ T265] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.802076][ T265] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.802079][ T265] RIP: 0033:0x7f3b375451b8 [ 15.802081][ T265] Code: Unable to access opcode bytes at 0x7f3b3754518e. Code starting with the faulting instruction =========================================== [ 15.802082][ T265] RSP: 002b:00007ffd1a508d48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.802084][ T265] RAX: ffffffffffffffda RBX: 00007f3b37675f88 RCX: 00007f3b375451b8 [ 15.802085][ T265] RDX: 00007f3b3728ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 15.802086][ T265] RBP: 00007ffd1a508da0 R08: 0000000000000000 R09: 0000000000000050 [ 15.802087][ T265] R10: 00007ffd1a508b60 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print