====================================== | [ 10.097148][ T230] softirqs last disabled at (34229): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.097151][ T230] Preemption disabled at: | [ 10.097151][ T230] 0x0 | [ 10.097161][ T230] Tainted: [W]=WARN [ 10.097162][ T230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.097163][ T230] Call Trace: [ 10.097165][ T230] [ 10.097167][ T230] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.097173][ T230] __might_resched.cold (kernel/sched/core.c:9234) [ 10.097177][ T230] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.097181][ T230] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.097186][ T230] __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)) [ 10.097187][ T230] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.097194][ T230] ? 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) [ 10.097197][ T230] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.097200][ T230] put_chars (drivers/char/virtio_console.c:1176) [ 10.097203][ T230] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.097204][ T230] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.097207][ T230] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.097212][ T230] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.097220][ T230] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.097222][ T230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.097224][ T230] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.097228][ T230] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.097232][ T230] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.097234][ T230] ? 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)) [ 10.097237][ T230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.097238][ T230] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.097242][ T230] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.097246][ T230] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.097248][ T230] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.097253][ T230] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.097256][ T230] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.097258][ T230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.097259][ T230] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 10.097263][ T230] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.097265][ T230] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.097267][ T230] vprintk_emit (kernel/printk/printk.c:2479) [ 10.097270][ T230] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.097273][ T230] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.097276][ T230] _printk (kernel/printk/printk.c:2504) [ 10.097280][ T230] ? snapshot_read.cold (user.c:?) [ 10.097283][ T230] ? 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) [ 10.097285][ T230] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.097289][ T230] ? 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) [ 10.097292][ T230] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.097295][ T230] ? exit_notify (kernel/exit.c:780) [ 10.097297][ T230] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.097299][ T230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.097303][ T230] do_group_exit (kernel/exit.c:1151) [ 10.097305][ T230] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.097307][ T230] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.097309][ T230] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.097313][ T230] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.097316][ T230] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.097318][ T230] RIP: 0033:0x7f7be20461b8 [ 10.097320][ T230] Code: Unable to access opcode bytes at 0x7f7be204618e. Code starting with the faulting instruction =========================================== [ 10.097322][ T230] RSP: 002b:00007ffdbc89a788 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.097324][ T230] RAX: ffffffffffffffda RBX: 00007f7be2176f88 RCX: 00007f7be20461b8 [ 10.097325][ T230] RDX: 00007f7be1d90fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.097326][ T230] RBP: 00007ffdbc89a7e0 R08: 0000000000000000 R09: 0000000000000000 [ 10.097327][ T230] R10: 00007ffdbc89a5a0 R11: 0000000000000246 R12: 0000000000000001 [ 10.097327][ T230] R13: 0000000000000000 R14: 00007f7be2175680 R15: 00007f7be2176fa0 | [ 12.270923][ T316] softirqs last disabled at (25571): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.270926][ T316] Preemption disabled at: | [ 12.270927][ T316] 0x0 | [ 12.270937][ T316] Tainted: [W]=WARN [ 12.270938][ T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.270940][ T316] Call Trace: [ 12.270941][ T316] [ 12.270943][ T316] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.270949][ T316] __might_resched.cold (kernel/sched/core.c:9234) [ 12.270954][ T316] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.270958][ T316] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.270962][ T316] __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)) [ 12.270964][ T316] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.270971][ T316] ? 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) [ 12.270973][ T316] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.270977][ T316] put_chars (drivers/char/virtio_console.c:1176) [ 12.270979][ T316] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.270980][ T316] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.270984][ T316] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.270989][ T316] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.270997][ T316] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.270999][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.271003][ T316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.271007][ T316] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.271011][ T316] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.271013][ T316] ? 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)) [ 12.271016][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.271017][ T316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.271021][ T316] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.271025][ T316] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.271027][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.271032][ T316] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.271035][ T316] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.271037][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.271039][ T316] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 12.271042][ T316] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.271044][ T316] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.271047][ T316] vprintk_emit (kernel/printk/printk.c:2479) [ 12.271050][ T316] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.271053][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.271056][ T316] _printk (kernel/printk/printk.c:2504) [ 12.271060][ T316] ? snapshot_read.cold (user.c:?) [ 12.271062][ T316] ? 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) [ 12.271065][ T316] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.271069][ T316] ? 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) [ 12.271072][ T316] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.271075][ T316] ? exit_notify (kernel/exit.c:780) [ 12.271077][ T316] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.271079][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.271083][ T316] do_group_exit (kernel/exit.c:1151) [ 12.271085][ T316] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.271087][ T316] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.271090][ T316] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.271094][ T316] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.271097][ T316] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.271099][ T316] RIP: 0033:0x7f3f4748d1b8 [ 12.271101][ T316] Code: Unable to access opcode bytes at 0x7f3f4748d18e. Code starting with the faulting instruction =========================================== [ 12.271102][ T316] RSP: 002b:00007ffc69c0b898 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.271105][ T316] RAX: ffffffffffffffda RBX: 00007f3f475bdf88 RCX: 00007f3f4748d1b8 [ 12.271106][ T316] RDX: 00007f3f471d7fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 12.271107][ T316] RBP: 00007ffc69c0b8f0 R08: 0000000000000000 R09: 0000000000000050 [ 12.271107][ T316] R10: 00007ffc69c0b6b0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print