====================================== | [ 9.860924][ T186] softirqs last disabled at (47719): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.860927][ T186] Preemption disabled at: | [ 9.860927][ T186] 0x0 | [ 9.860938][ T186] Tainted: [W]=WARN [ 9.860939][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.860940][ T186] Call Trace: [ 9.860942][ T186] [ 9.860943][ T186] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.860950][ T186] __might_resched.cold (kernel/sched/core.c:9234) [ 9.860954][ T186] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.860959][ T186] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.860964][ T186] __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)) [ 9.860966][ T186] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.860972][ T186] ? 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) [ 9.860975][ T186] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.860978][ T186] put_chars (drivers/char/virtio_console.c:1176) [ 9.860981][ T186] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.860982][ T186] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.860987][ T186] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.860992][ T186] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.860998][ T186] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.861000][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.861003][ T186] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.861007][ T186] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.861011][ T186] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.861012][ T186] ? 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)) [ 9.861016][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.861018][ T186] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.861022][ T186] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.861026][ T186] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.861028][ T186] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.861033][ T186] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.861036][ T186] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.861037][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.861040][ T186] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.861043][ T186] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.861045][ T186] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.861048][ T186] vprintk_emit (kernel/printk/printk.c:2479) [ 9.861052][ T186] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.861055][ T186] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.861059][ T186] _printk (kernel/printk/printk.c:2504) [ 9.861063][ T186] ? snapshot_read.cold (user.c:?) [ 9.861066][ T186] ? 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) [ 9.861068][ T186] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.861072][ T186] ? 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) [ 9.861075][ T186] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.861078][ T186] ? exit_notify (kernel/exit.c:780) [ 9.861080][ T186] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.861083][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.861087][ T186] do_group_exit (kernel/exit.c:1151) [ 9.861089][ T186] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.861091][ T186] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.861093][ T186] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.861096][ T186] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.861099][ T186] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.861102][ T186] RIP: 0033:0x7f6a68e101b8 [ 9.861104][ T186] Code: Unable to access opcode bytes at 0x7f6a68e1018e. Code starting with the faulting instruction =========================================== [ 9.861105][ T186] RSP: 002b:00007ffed35a4058 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.861107][ T186] RAX: ffffffffffffffda RBX: 00007f6a68f40f88 RCX: 00007f6a68e101b8 [ 9.861109][ T186] RDX: 00007f6a68b5afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.861109][ T186] RBP: 00007ffed35a40b0 R08: 0000000000000000 R09: 0000000000008010 [ 9.861110][ T186] R10: 00007ffed35a3e70 R11: 0000000000000246 R12: 0000000000000001 [ 9.861111][ T186] R13: 0000000000000000 R14: 00007f6a68f3f680 R15: 00007f6a68f40fa0 | [ 175.053426][ T1199] softirqs last disabled at (19330): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 175.053429][ T1199] Preemption disabled at: | [ 175.053429][ T1199] 0x0 | [ 175.053440][ T1199] Tainted: [W]=WARN [ 175.053441][ T1199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 175.053442][ T1199] Call Trace: [ 175.053444][ T1199] [ 175.053445][ T1199] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 175.053451][ T1199] __might_resched.cold (kernel/sched/core.c:9234) [ 175.053456][ T1199] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 175.053460][ T1199] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 175.053465][ T1199] __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)) [ 175.053467][ T1199] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 175.053473][ T1199] ? 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) [ 175.053475][ T1199] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 175.053478][ T1199] put_chars (drivers/char/virtio_console.c:1176) [ 175.053481][ T1199] ? __send_to_port (drivers/char/virtio_console.c:654) [ 175.053482][ T1199] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 175.053487][ T1199] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 175.053492][ T1199] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 175.053498][ T1199] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 175.053500][ T1199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 175.053502][ T1199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 175.053506][ T1199] console_emit_next_record (kernel/printk/printk.c:3183) [ 175.053510][ T1199] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 175.053512][ T1199] ? 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)) [ 175.053515][ T1199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 175.053517][ T1199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 175.053521][ T1199] console_flush_one_record (kernel/printk/printk.c:3268) [ 175.053525][ T1199] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 175.053526][ T1199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 175.053531][ T1199] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 175.053534][ T1199] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 175.053536][ T1199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 175.053538][ T1199] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 175.053541][ T1199] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 175.053543][ T1199] ? vprintk_emit (kernel/printk/printk.c:2478) [ 175.053546][ T1199] vprintk_emit (kernel/printk/printk.c:2479) [ 175.053550][ T1199] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 175.053553][ T1199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 175.053557][ T1199] _printk (kernel/printk/printk.c:2504) [ 175.053560][ T1199] ? snapshot_read.cold (user.c:?) [ 175.053563][ T1199] ? 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) [ 175.053565][ T1199] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 175.053569][ T1199] ? 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) [ 175.053572][ T1199] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 175.053575][ T1199] ? exit_notify (kernel/exit.c:780) [ 175.053577][ T1199] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 175.053579][ T1199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 175.053583][ T1199] do_group_exit (kernel/exit.c:1151) [ 175.053586][ T1199] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 175.053588][ T1199] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 175.053590][ T1199] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 175.053593][ T1199] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 175.053596][ T1199] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 175.053598][ T1199] RIP: 0033:0x7fc4ca7e41b8 [ 175.053600][ T1199] Code: Unable to access opcode bytes at 0x7fc4ca7e418e. Code starting with the faulting instruction =========================================== [ 175.053601][ T1199] RSP: 002b:00007ffd8ba20948 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 175.053604][ T1199] RAX: ffffffffffffffda RBX: 00007fc4ca914f88 RCX: 00007fc4ca7e41b8 [ 175.053605][ T1199] RDX: 00007fc4ca52efc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 175.053606][ T1199] RBP: 00007ffd8ba209a0 R08: 0000000000000000 R09: 0000000000008010 [ 175.053607][ T1199] R10: 00007ffd8ba20760 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print