====================================== | [ 8.839518][ T177] softirqs last disabled at (20079): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 8.839520][ T177] Preemption disabled at: | [ 8.839521][ T177] 0x0 | [ 8.839531][ T177] Tainted: [W]=WARN [ 8.839532][ T177] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.839533][ T177] Call Trace: [ 8.839535][ T177] [ 8.839536][ T177] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.839542][ T177] __might_resched.cold (kernel/sched/core.c:9234) [ 8.839547][ T177] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.839551][ T177] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.839555][ T177] __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)) [ 8.839557][ T177] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.839563][ T177] ? 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) [ 8.839566][ T177] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.839569][ T177] put_chars (drivers/char/virtio_console.c:1176) [ 8.839572][ T177] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.839574][ T177] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 8.839578][ T177] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.839583][ T177] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.839590][ T177] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.839592][ T177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.839594][ T177] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.839598][ T177] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.839602][ T177] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.839604][ T177] ? 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)) [ 8.839607][ T177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.839609][ T177] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.839613][ T177] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.839617][ T177] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.839618][ T177] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.839623][ T177] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.839626][ T177] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.839628][ T177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.839630][ T177] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.839633][ T177] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.839635][ T177] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.839638][ T177] vprintk_emit (kernel/printk/printk.c:2479) [ 8.839642][ T177] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.839645][ T177] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.839648][ T177] _printk (kernel/printk/printk.c:2504) [ 8.839652][ T177] ? snapshot_read.cold (user.c:?) [ 8.839654][ T177] ? 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) [ 8.839657][ T177] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.839660][ T177] ? 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) [ 8.839663][ T177] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 8.839667][ T177] ? exit_notify (kernel/exit.c:780) [ 8.839668][ T177] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.839671][ T177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.839675][ T177] do_group_exit (kernel/exit.c:1151) [ 8.839677][ T177] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 8.839679][ T177] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 8.839682][ T177] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.839685][ T177] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.839688][ T177] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.839690][ T177] RIP: 0033:0x7fedfb0e91b8 [ 8.839693][ T177] Code: Unable to access opcode bytes at 0x7fedfb0e918e. Code starting with the faulting instruction =========================================== [ 8.839694][ T177] RSP: 002b:00007fff8375f848 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.839696][ T177] RAX: ffffffffffffffda RBX: 00007fedfb219f88 RCX: 00007fedfb0e91b8 [ 8.839698][ T177] RDX: 00007fedfae33fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 8.839699][ T177] RBP: 00007fff8375f8a0 R08: 0000000000000000 R09: 0000000000000050 [ 8.839699][ T177] R10: 00007fff8375f660 R11: 0000000000000246 R12: 0000000000000001 [ 8.839700][ T177] R13: 0000000000000000 R14: 00007fedfb218680 R15: 00007fedfb219fa0 | [ 17.010176][ T240] softirqs last disabled at (1589717): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 17.010178][ T240] Preemption disabled at: | [ 17.010179][ T240] 0x0 | [ 17.010190][ T240] Tainted: [W]=WARN [ 17.010191][ T240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.010193][ T240] Call Trace: [ 17.010194][ T240] [ 17.010196][ T240] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.010202][ T240] __might_resched.cold (kernel/sched/core.c:9234) [ 17.010207][ T240] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.010212][ T240] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.010217][ T240] __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)) [ 17.010219][ T240] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.010226][ T240] ? 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) [ 17.010229][ T240] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.010232][ T240] put_chars (drivers/char/virtio_console.c:1176) [ 17.010235][ T240] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 17.010237][ T240] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.010241][ T240] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.010245][ T240] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.010248][ T240] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.010252][ T240] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.010255][ T240] ? mark_usage (kernel/locking/lockdep.c:4690) [ 17.010257][ T240] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.010259][ T240] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.010263][ T240] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.010266][ T240] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 17.010270][ T240] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.010273][ T240] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.010278][ T240] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.010282][ T240] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.010284][ T240] ? 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)) [ 17.010288][ T240] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.010291][ T240] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.010296][ T240] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.010301][ T240] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.010303][ T240] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.010310][ T240] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.010313][ T240] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.010315][ T240] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.010317][ T240] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.010322][ T240] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.010324][ T240] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.010327][ T240] vprintk_emit (kernel/printk/printk.c:2479) [ 17.010332][ T240] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.010336][ T240] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.010340][ T240] _printk (kernel/printk/printk.c:2504) [ 17.010344][ T240] ? snapshot_read.cold (user.c:?) [ 17.010347][ T240] ? 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) [ 17.010350][ T240] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.010354][ T240] ? 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) [ 17.010357][ T240] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 17.010361][ T240] ? exit_notify (kernel/exit.c:780) [ 17.010368][ T240] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 17.010370][ T240] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 17.010373][ T240] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.010377][ T240] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.010381][ T240] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.010384][ T240] RIP: 0033:0x7f8065e84c49 [ 17.010386][ T240] Code: Unable to access opcode bytes at 0x7f8065e84c1f. Code starting with the faulting instruction =========================================== [ 17.010388][ T240] RSP: 002b:00007f8065643e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 17.010391][ T240] RAX: ffffffffffffffda RBX: 00007f80656446c0 RCX: 00007f8065e84c49 [ 17.010392][ T240] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 17.010393][ T240] RBP: 00007f8065643f70 R08: 0000000000000001 R09: 00007f80656446c0 [ 17.010394][ T240] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f8064e44000 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print