====================================== | [ 8.900311][ T173] softirqs last disabled at (35340): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 8.900313][ T173] Preemption disabled at: | [ 8.900314][ T173] 0x0 | [ 8.900324][ T173] Tainted: [W]=WARN [ 8.900325][ T173] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.900326][ T173] Call Trace: [ 8.900328][ T173] [ 8.900329][ T173] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.900335][ T173] __might_resched.cold (kernel/sched/core.c:9234) [ 8.900340][ T173] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.900344][ T173] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.900349][ T173] __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)) [ 8.900351][ T173] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.900357][ T173] ? 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) [ 8.900359][ T173] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.900363][ T173] put_chars (drivers/char/virtio_console.c:1176) [ 8.900365][ T173] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.900367][ T173] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 8.900372][ T173] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.900377][ T173] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.900383][ T173] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.900385][ T173] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.900388][ T173] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.900392][ T173] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.900396][ T173] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.900397][ T173] ? 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)) [ 8.900400][ T173] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.900402][ T173] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.900406][ T173] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.900410][ T173] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.900412][ T173] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.900417][ T173] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.900420][ T173] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.900421][ T173] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.900424][ T173] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.900427][ T173] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.900429][ T173] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.900432][ T173] vprintk_emit (kernel/printk/printk.c:2479) [ 8.900435][ T173] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.900439][ T173] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.900442][ T173] _printk (kernel/printk/printk.c:2504) [ 8.900446][ T173] ? snapshot_read.cold (user.c:?) [ 8.900448][ T173] ? 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) [ 8.900451][ T173] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.900455][ T173] ? 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) [ 8.900457][ T173] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 8.900461][ T173] ? exit_notify (kernel/exit.c:780) [ 8.900462][ T173] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.900465][ T173] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.900468][ T173] do_group_exit (kernel/exit.c:1151) [ 8.900471][ T173] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 8.900473][ T173] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 8.900476][ T173] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.900479][ T173] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.900482][ T173] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.900484][ T173] RIP: 0033:0x7fc7ecf471b8 [ 8.900486][ T173] Code: Unable to access opcode bytes at 0x7fc7ecf4718e. Code starting with the faulting instruction =========================================== [ 8.900488][ T173] RSP: 002b:00007fff14713e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.900490][ T173] RAX: ffffffffffffffda RBX: 00007fc7ed077f88 RCX: 00007fc7ecf471b8 [ 8.900491][ T173] RDX: 00007fc7ecc91fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 8.900492][ T173] RBP: 00007fff14713eb0 R08: 0000000000000000 R09: 0000000000000050 [ 8.900493][ T173] R10: 00007fff14713c70 R11: 0000000000000246 R12: 0000000000000001 [ 8.900494][ T173] R13: 0000000000000000 R14: 00007fc7ed076680 R15: 00007fc7ed077fa0 | [ 17.149934][ T248] softirqs last disabled at (1623371): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 17.149936][ T248] Preemption disabled at: | [ 17.149937][ T248] 0x0 | [ 17.149947][ T248] Tainted: [W]=WARN [ 17.149948][ T248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.149949][ T248] Call Trace: [ 17.149951][ T248] [ 17.149953][ T248] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.149959][ T248] __might_resched.cold (kernel/sched/core.c:9234) [ 17.149963][ T248] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.149967][ 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) [ 17.149972][ 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)) [ 17.149974][ T248] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.149980][ 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) [ 17.149983][ T248] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.149986][ T248] put_chars (drivers/char/virtio_console.c:1176) [ 17.149988][ T248] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 17.149990][ T248] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.149993][ T248] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.149997][ T248] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.149999][ T248] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.150003][ T248] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.150006][ T248] ? mark_usage (kernel/locking/lockdep.c:4690) [ 17.150008][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.150010][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.150013][ T248] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.150015][ T248] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 17.150018][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.150021][ T248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.150025][ T248] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.150028][ T248] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.150030][ 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)) [ 17.150033][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.150035][ T248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.150039][ T248] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.150043][ T248] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.150045][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.150049][ T248] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.150052][ T248] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.150054][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.150056][ T248] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.150060][ T248] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.150061][ T248] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.150065][ T248] vprintk_emit (kernel/printk/printk.c:2479) [ 17.150068][ T248] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.150071][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.150075][ T248] _printk (kernel/printk/printk.c:2504) [ 17.150078][ T248] ? snapshot_read.cold (user.c:?) [ 17.150081][ 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) [ 17.150084][ T248] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.150087][ 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) [ 17.150090][ T248] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 17.150094][ T248] ? exit_notify (kernel/exit.c:780) [ 17.150099][ T248] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 17.150100][ T248] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 17.150103][ T248] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.150107][ T248] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.150109][ T248] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.150112][ T248] RIP: 0033:0x7f92410adc49 [ 17.150114][ T248] Code: Unable to access opcode bytes at 0x7f92410adc1f. Code starting with the faulting instruction =========================================== [ 17.150115][ T248] RSP: 002b:00007f924086ce60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 17.150118][ T248] RAX: ffffffffffffffda RBX: 00007f924086d6c0 RCX: 00007f92410adc49 [ 17.150119][ T248] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 17.150120][ T248] RBP: 00007f924086cf70 R08: 0000000000000001 R09: 00007f924086d6c0 [ 17.150120][ T248] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f924006d000 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print