====================================== | [ 9.479399][ T206] softirqs last disabled at (46943): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.479401][ T206] Preemption disabled at: | [ 9.479402][ T206] 0x0 | [ 9.479412][ T206] Tainted: [W]=WARN [ 9.479413][ T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.479414][ T206] Call Trace: [ 9.479416][ T206] [ 9.479417][ T206] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.479424][ T206] __might_resched.cold (kernel/sched/core.c:9234) [ 9.479428][ T206] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.479432][ T206] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.479437][ T206] __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)) [ 9.479438][ T206] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.479445][ T206] ? 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) [ 9.479448][ T206] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.479452][ T206] put_chars (drivers/char/virtio_console.c:1176) [ 9.479454][ T206] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.479455][ T206] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.479459][ T206] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.479464][ T206] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.479474][ T206] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.479477][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.479479][ T206] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.479483][ T206] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.479487][ T206] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.479489][ T206] ? 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)) [ 9.479492][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.479493][ T206] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.479497][ T206] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.479501][ T206] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.479503][ T206] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.479508][ T206] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.479511][ T206] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.479513][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.479515][ T206] ? 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) [ 9.479518][ T206] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.479520][ T206] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.479523][ T206] vprintk_emit (kernel/printk/printk.c:2479) [ 9.479526][ T206] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.479528][ T206] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.479532][ T206] _printk (kernel/printk/printk.c:2504) [ 9.479536][ T206] ? snapshot_read.cold (user.c:?) [ 9.479539][ T206] ? 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) [ 9.479541][ T206] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.479545][ T206] ? 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) [ 9.479548][ T206] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.479551][ T206] ? exit_notify (kernel/exit.c:780) [ 9.479553][ T206] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.479555][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.479559][ T206] do_group_exit (kernel/exit.c:1151) [ 9.479561][ T206] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.479563][ T206] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.479566][ T206] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.479570][ T206] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.479573][ T206] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.479575][ T206] RIP: 0033:0x7fac0a4f81b8 [ 9.479577][ T206] Code: Unable to access opcode bytes at 0x7fac0a4f818e. Code starting with the faulting instruction =========================================== [ 9.479578][ T206] RSP: 002b:00007ffdc29b8608 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.479580][ T206] RAX: ffffffffffffffda RBX: 00007fac0a628f88 RCX: 00007fac0a4f81b8 [ 9.479582][ T206] RDX: 00007fac0a242fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.479582][ T206] RBP: 00007ffdc29b8660 R08: 0000000000000000 R09: 0000000000008010 [ 9.479583][ T206] R10: 00007ffdc29b8420 R11: 0000000000000246 R12: 0000000000000001 [ 9.479584][ T206] R13: 0000000000000000 R14: 00007fac0a627680 R15: 00007fac0a628fa0 | [ 10.738668][ T248] softirqs last disabled at (22195): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.738671][ T248] Preemption disabled at: | [ 10.738672][ T248] 0x0 | [ 10.738685][ T248] Tainted: [W]=WARN [ 10.738686][ T248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.738689][ T248] Call Trace: [ 10.738691][ T248] [ 10.738692][ T248] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.738701][ T248] __might_resched.cold (kernel/sched/core.c:9234) [ 10.738707][ T248] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.738712][ T248] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.738719][ T248] __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)) [ 10.738721][ T248] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.738731][ T248] ? 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) [ 10.738734][ T248] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.738740][ T248] put_chars (drivers/char/virtio_console.c:1176) [ 10.738744][ T248] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.738746][ T248] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.738751][ T248] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.738760][ T248] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.738771][ T248] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.738775][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.738778][ T248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.738785][ T248] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.738792][ T248] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.738794][ T248] ? 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)) [ 10.738799][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.738802][ T248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.738809][ T248] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.738815][ T248] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.738822][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.738831][ T248] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.738835][ T248] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.738838][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.738841][ T248] ? 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) [ 10.738847][ T248] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.738850][ T248] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.738854][ T248] vprintk_emit (kernel/printk/printk.c:2479) [ 10.738859][ T248] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.738864][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.738870][ T248] _printk (kernel/printk/printk.c:2504) [ 10.738875][ T248] ? snapshot_read.cold (user.c:?) [ 10.738880][ T248] ? 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) [ 10.738884][ T248] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.738890][ T248] ? 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) [ 10.738895][ T248] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.738900][ T248] ? exit_notify (kernel/exit.c:780) [ 10.738902][ T248] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.738907][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.738913][ T248] do_group_exit (kernel/exit.c:1151) [ 10.738918][ T248] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.738921][ T248] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.738924][ T248] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.738930][ T248] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.738934][ T248] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.738938][ T248] RIP: 0033:0x7fcb41ebc1b8 [ 10.738941][ T248] Code: Unable to access opcode bytes at 0x7fcb41ebc18e. Code starting with the faulting instruction =========================================== [ 10.738942][ T248] RSP: 002b:00007ffe620e6188 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.738946][ T248] RAX: ffffffffffffffda RBX: 00007fcb41fecf88 RCX: 00007fcb41ebc1b8 [ 10.738948][ T248] RDX: 00007fcb41c06fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.738949][ T248] RBP: 00007ffe620e61e0 R08: 0000000000000000 R09: 0000000000000050 [ 10.738951][ T248] R10: 00007ffe620e5fa0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print