====================================== | [ 10.460956][ T205] softirqs last disabled at (21385): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.460958][ T205] Preemption disabled at: | [ 10.460959][ T205] 0x0 | [ 10.460969][ T205] Tainted: [W]=WARN [ 10.460970][ T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.460972][ T205] Call Trace: [ 10.460974][ T205] [ 10.460975][ T205] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.460982][ T205] __might_resched.cold (kernel/sched/core.c:9234) [ 10.460986][ T205] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.460990][ T205] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.460995][ T205] __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)) [ 10.460997][ T205] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.461003][ T205] ? 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) [ 10.461006][ T205] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.461010][ T205] put_chars (drivers/char/virtio_console.c:1176) [ 10.461012][ T205] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.461014][ T205] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.461017][ T205] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.461023][ T205] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.461031][ T205] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.461033][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.461035][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.461040][ T205] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.461044][ T205] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.461046][ T205] ? 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)) [ 10.461049][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.461051][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.461055][ T205] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.461059][ T205] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.461061][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.461067][ T205] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.461070][ T205] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.461072][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.461073][ T205] ? 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) [ 10.461077][ T205] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.461079][ T205] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.461082][ T205] vprintk_emit (kernel/printk/printk.c:2479) [ 10.461085][ T205] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.461088][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.461092][ T205] _printk (kernel/printk/printk.c:2504) [ 10.461095][ T205] ? snapshot_read.cold (user.c:?) [ 10.461098][ T205] ? 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) [ 10.461101][ T205] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.461105][ T205] ? 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) [ 10.461108][ T205] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.461112][ T205] ? exit_notify (kernel/exit.c:780) [ 10.461113][ T205] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.461116][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.461119][ T205] do_group_exit (kernel/exit.c:1151) [ 10.461122][ T205] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.461124][ T205] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.461127][ T205] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.461131][ T205] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.461135][ T205] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.461137][ T205] RIP: 0033:0x7fbfe3cf51b8 [ 10.461139][ T205] Code: Unable to access opcode bytes at 0x7fbfe3cf518e. Code starting with the faulting instruction =========================================== [ 10.461140][ T205] RSP: 002b:00007fffdfbc8688 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.461142][ T205] RAX: ffffffffffffffda RBX: 00007fbfe3e25f88 RCX: 00007fbfe3cf51b8 [ 10.461144][ T205] RDX: 00007fbfe3a3ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.461145][ T205] RBP: 00007fffdfbc86e0 R08: 0000000000000000 R09: 0000000000000050 [ 10.461146][ T205] R10: 00007fffdfbc84a0 R11: 0000000000000246 R12: 0000000000000001 [ 10.461146][ T205] R13: 0000000000000000 R14: 00007fbfe3e24680 R15: 00007fbfe3e25fa0 | [ 15.939193][ T275] softirqs last disabled at (45219): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 15.939195][ T275] Preemption disabled at: | [ 15.939196][ T275] 0x0 | [ 15.939206][ T275] Tainted: [W]=WARN [ 15.939207][ T275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.939209][ T275] Call Trace: [ 15.939210][ T275] [ 15.939212][ T275] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.939219][ T275] __might_resched.cold (kernel/sched/core.c:9234) [ 15.939223][ T275] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.939227][ T275] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.939232][ T275] __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)) [ 15.939234][ T275] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.939241][ T275] ? 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) [ 15.939243][ T275] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.939247][ T275] put_chars (drivers/char/virtio_console.c:1176) [ 15.939249][ T275] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.939250][ T275] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.939254][ T275] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.939259][ T275] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.939267][ T275] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.939269][ T275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.939271][ T275] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.939275][ T275] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.939279][ T275] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.939281][ T275] ? 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)) [ 15.939284][ T275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.939286][ T275] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.939290][ T275] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.939294][ T275] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.939296][ T275] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.939301][ T275] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.939304][ T275] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.939306][ T275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.939308][ T275] ? 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) [ 15.939311][ T275] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.939313][ T275] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.939316][ T275] vprintk_emit (kernel/printk/printk.c:2479) [ 15.939319][ T275] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.939322][ T275] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.939325][ T275] _printk (kernel/printk/printk.c:2504) [ 15.939329][ T275] ? snapshot_read.cold (user.c:?) [ 15.939332][ T275] ? 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) [ 15.939334][ T275] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.939338][ T275] ? 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) [ 15.939341][ T275] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.939344][ T275] ? exit_notify (kernel/exit.c:780) [ 15.939346][ T275] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.939348][ T275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.939352][ T275] do_group_exit (kernel/exit.c:1151) [ 15.939355][ T275] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.939357][ T275] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.939359][ T275] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.939363][ T275] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.939366][ T275] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.939368][ T275] RIP: 0033:0x7fecb60101b8 [ 15.939370][ T275] Code: Unable to access opcode bytes at 0x7fecb601018e. Code starting with the faulting instruction =========================================== [ 15.939371][ T275] RSP: 002b:00007ffd264243e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.939374][ T275] RAX: ffffffffffffffda RBX: 00007fecb6140f88 RCX: 00007fecb60101b8 [ 15.939375][ T275] RDX: 00007fecb5d59b48 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 15.939376][ T275] RBP: 00007ffd26424440 R08: 0000000000000000 R09: 0000000000000000 [ 15.939377][ T275] R10: 00007ffd26424200 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print