====================================== | [ 8.439682][ T129] softirqs last disabled at (8555): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 8.439685][ T129] Preemption disabled at: | [ 8.439685][ T129] 0x0 | [ 8.439695][ T129] Tainted: [W]=WARN [ 8.439696][ T129] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.439698][ T129] Call Trace: [ 8.439699][ T129] [ 8.439701][ T129] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.439706][ T129] __might_resched.cold (kernel/sched/core.c:9234) [ 8.439710][ T129] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.439714][ T129] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.439719][ T129] __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)) [ 8.439722][ T129] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.439728][ T129] ? 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) [ 8.439731][ T129] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.439734][ T129] put_chars (drivers/char/virtio_console.c:1176) [ 8.439737][ T129] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.439738][ T129] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 8.439743][ T129] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.439748][ T129] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.439755][ T129] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.439757][ T129] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.439759][ T129] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.439763][ T129] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.439767][ T129] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.439768][ T129] ? 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)) [ 8.439771][ T129] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.439772][ T129] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.439783][ T129] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.439786][ T129] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.439788][ T129] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.439793][ T129] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.439795][ T129] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.439797][ T129] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.439799][ T129] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.439802][ T129] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.439804][ T129] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.439807][ T129] vprintk_emit (kernel/printk/printk.c:2479) [ 8.439810][ T129] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.439813][ T129] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.439817][ T129] _printk (kernel/printk/printk.c:2504) [ 8.439821][ T129] ? snapshot_read.cold (user.c:?) [ 8.439824][ T129] ? 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) [ 8.439827][ T129] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.439831][ T129] ? 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) [ 8.439834][ T129] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 8.439837][ T129] ? exit_notify (kernel/exit.c:780) [ 8.439838][ T129] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.439841][ T129] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.439845][ T129] do_group_exit (kernel/exit.c:1151) [ 8.439848][ T129] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 8.439850][ T129] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 8.439852][ T129] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.439856][ T129] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.439860][ T129] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.439862][ T129] RIP: 0033:0x7f9bb540a1b8 [ 8.439864][ T129] Code: Unable to access opcode bytes at 0x7f9bb540a18e. Code starting with the faulting instruction =========================================== [ 8.439865][ T129] RSP: 002b:00007ffeafaad608 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.439867][ T129] RAX: ffffffffffffffda RBX: 00007f9bb553af88 RCX: 00007f9bb540a1b8 [ 8.439869][ T129] RDX: 00007f9bb5347a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 8.439870][ T129] RBP: 00007ffeafaad660 R08: 0000000000000000 R09: 0000000000001010 [ 8.439871][ T129] R10: 00007ffeafaad4c0 R11: 0000000000000246 R12: 0000000000000002 [ 8.439871][ T129] R13: 0000000000000000 R14: 00007f9bb5539680 R15: 00007f9bb553afa0 | [ 10.347716][ T200] softirqs last disabled at (4109258): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 10.347720][ T200] Preemption disabled at: | [ 10.347720][ T200] 0x0 | [ 10.347730][ T200] Tainted: [W]=WARN [ 10.347731][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.347732][ T200] Call Trace: [ 10.347734][ T200] [ 10.347736][ T200] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.347741][ T200] __might_resched.cold (kernel/sched/core.c:9234) [ 10.347746][ T200] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.347749][ T200] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.347754][ T200] __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)) [ 10.347756][ T200] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.347763][ T200] ? 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) [ 10.347765][ T200] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.347769][ T200] put_chars (drivers/char/virtio_console.c:1176) [ 10.347772][ T200] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.347773][ T200] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.347778][ T200] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.347783][ T200] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.347795][ T200] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.347797][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.347799][ T200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.347803][ T200] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.347807][ T200] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.347808][ T200] ? 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)) [ 10.347811][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.347813][ T200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.347817][ T200] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.347820][ T200] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.347822][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.347827][ T200] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.347829][ T200] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.347831][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.347832][ T200] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.347836][ T200] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.347838][ T200] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.347841][ T200] vprintk_emit (kernel/printk/printk.c:2479) [ 10.347844][ T200] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.347845][ T200] ? 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) [ 10.347849][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.347852][ T200] _printk (kernel/printk/printk.c:2504) [ 10.347856][ T200] ? snapshot_read.cold (user.c:?) [ 10.347859][ T200] ? 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) [ 10.347862][ T200] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.347866][ T200] ? 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) [ 10.347869][ T200] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.347872][ T200] ? exit_notify (kernel/exit.c:780) [ 10.347873][ T200] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.347876][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.347880][ T200] do_group_exit (kernel/exit.c:1151) [ 10.347883][ T200] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.347885][ T200] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.347887][ T200] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.347891][ T200] ? irq_exit_rcu (kernel/softirq.c:786) [ 10.347894][ T200] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.347896][ T200] RIP: 0033:0x479678 [ 10.347898][ T200] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 10.347899][ T200] RSP: 002b:00007ffc88a01168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.347902][ T200] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 10.347903][ T200] RDX: 0000000005333708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 10.347904][ T200] RBP: 00007ffc88a011c0 R08: 0000000000000000 R09: 00000000053343e0 [ 10.347905][ T200] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffc88a012f8 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print