====================================== | [ 9.082085][ T138] softirqs last disabled at (8281): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.082088][ T138] Preemption disabled at: | [ 9.082089][ T138] 0x0 | [ 9.082107][ T138] Tainted: [W]=WARN [ 9.082108][ T138] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.082111][ T138] Call Trace: [ 9.082113][ T138] [ 9.082115][ T138] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.082123][ T138] __might_resched.cold (kernel/sched/core.c:9234) [ 9.082129][ T138] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.082135][ T138] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.082142][ T138] __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)) [ 9.082145][ T138] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.082155][ T138] ? 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) [ 9.082158][ T138] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.082164][ T138] put_chars (drivers/char/virtio_console.c:1176) [ 9.082168][ T138] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.082170][ T138] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.082175][ T138] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.082184][ T138] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.082196][ T138] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.082200][ T138] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.082204][ T138] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.082210][ T138] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.082217][ T138] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.082220][ T138] ? 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)) [ 9.082225][ T138] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.082228][ T138] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.082234][ T138] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.082241][ T138] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.082244][ T138] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.082253][ T138] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.082257][ T138] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.082260][ T138] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.082263][ T138] ? 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) [ 9.082269][ T138] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.082272][ T138] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.082277][ T138] vprintk_emit (kernel/printk/printk.c:2479) [ 9.082282][ T138] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.082287][ T138] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.082293][ T138] _printk (kernel/printk/printk.c:2504) [ 9.082298][ T138] ? snapshot_read.cold (user.c:?) [ 9.082303][ T138] ? 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) [ 9.082307][ T138] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.082314][ T138] ? 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) [ 9.082318][ T138] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.082324][ T138] ? exit_notify (kernel/exit.c:780) [ 9.082326][ T138] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.082330][ T138] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.082337][ T138] do_group_exit (kernel/exit.c:1151) [ 9.082341][ T138] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.082344][ T138] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.082348][ T138] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.082353][ T138] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.082357][ T138] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.082360][ T138] RIP: 0033:0x7fbe685841b8 [ 9.082363][ T138] Code: Unable to access opcode bytes at 0x7fbe6858418e. Code starting with the faulting instruction =========================================== [ 9.082365][ T138] RSP: 002b:00007ffce89827d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.082368][ T138] RAX: ffffffffffffffda RBX: 00007fbe686b4f88 RCX: 00007fbe685841b8 [ 9.082370][ T138] RDX: 00007fbe684c1a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 9.082372][ T138] RBP: 00007ffce8982830 R08: 0000000000000000 R09: 0000000000001010 [ 9.082373][ T138] R10: 00007ffce8982690 R11: 0000000000000246 R12: 0000000000000002 [ 9.082374][ T138] R13: 0000000000000000 R14: 00007fbe686b3680 R15: 00007fbe686b4fa0 | [ 15.090999][ T441] softirqs last disabled at (11063): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 15.091002][ T441] Preemption disabled at: | [ 15.091002][ T441] 0x0 | [ 15.091012][ T441] Tainted: [W]=WARN [ 15.091013][ T441] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.091015][ T441] Call Trace: [ 15.091017][ T441] [ 15.091019][ T441] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.091025][ T441] __might_resched.cold (kernel/sched/core.c:9234) [ 15.091029][ T441] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.091033][ T441] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.091038][ T441] __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)) [ 15.091039][ T441] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.091046][ T441] ? 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) [ 15.091049][ T441] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.091053][ T441] put_chars (drivers/char/virtio_console.c:1176) [ 15.091055][ T441] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.091056][ T441] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.091059][ T441] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.091065][ T441] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.091072][ T441] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.091075][ T441] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.091076][ T441] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.091080][ T441] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.091084][ T441] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.091086][ T441] ? lock_acquire.part.0 (./arch/x86/include/asm/irqflags.h:158 (discriminator 1) kernel/locking/lockdep.c:5912 (discriminator 1)) [ 15.091089][ T441] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.091090][ T441] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.091094][ T441] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.091105][ T441] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.091107][ T441] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.091112][ T441] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.091114][ T441] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.091116][ T441] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.091118][ T441] ? 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) [ 15.091121][ T441] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.091124][ T441] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.091126][ T441] vprintk_emit (kernel/printk/printk.c:2479) [ 15.091129][ T441] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.091132][ T441] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.091135][ T441] _printk (kernel/printk/printk.c:2504) [ 15.091139][ T441] ? snapshot_read.cold (user.c:?) [ 15.091141][ T441] ? 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) [ 15.091144][ T441] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.091147][ T441] ? 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) [ 15.091150][ T441] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.091153][ T441] ? exit_notify (kernel/exit.c:780) [ 15.091155][ T441] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.091158][ T441] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.091161][ T441] do_group_exit (kernel/exit.c:1151) [ 15.091164][ T441] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.091166][ T441] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.091168][ T441] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.091171][ T441] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.091173][ T441] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.091175][ T441] RIP: 0033:0x7f639e8cb1b8 [ 15.091177][ T441] Code: Unable to access opcode bytes at 0x7f639e8cb18e. Code starting with the faulting instruction =========================================== [ 15.091178][ T441] RSP: 002b:00007ffe5029c6e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.091181][ T441] RAX: ffffffffffffffda RBX: 00007f639e9fbf88 RCX: 00007f639e8cb1b8 [ 15.091182][ T441] RDX: 00007f639e809e88 RSI: ffffffffffffffb0 RDI: 0000000000000001 [ 15.091183][ T441] RBP: 00007ffe5029c740 R08: 0000000000000000 R09: 0000000000000000 [ 15.091184][ T441] R10: 00007ffe5029c580 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print