mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 0-....: (10042 ticks this GP) idle=6d1/1/0x4000000000000000 softirq=24754/24755 fqs=4621 (t=10500 jiffies g=35353 q=65014) NMI backtrace for cpu 0 CPU: 0 PID: 3054 Comm: kworker/0:2 Not tainted 5.14.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events nsim_dev_trap_report_work Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:105 nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:105 nmi_trigger_cpumask_backtrace+0x1ae/0x220 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline] rcu_dump_cpu_stacks+0x25e/0x3f0 kernel/rcu/tree_stall.h:343 print_cpu_stall kernel/rcu/tree_stall.h:627 [inline] check_cpu_stall kernel/rcu/tree_stall.h:711 [inline] rcu_pending kernel/rcu/tree.c:3880 [inline] rcu_sched_clock_irq.cold+0x9d/0x746 kernel/rcu/tree.c:2599 update_process_times+0x16d/0x200 kernel/time/timer.c:1785 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226 tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1421 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline] __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103 sysvec_apic_timer_interrupt+0x40/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:194 Code: 74 24 10 e8 7a f5 22 f8 48 89 ef e8 c2 6b 23 f8 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 33 2d 17 f8 65 8b 05 dc 44 ca 76 85 c0 74 0a 5b 5d c3 e8 80 d2 RSP: 0018:ffffc90000007b28 EFLAGS: 00000206 RAX: 0000000000000046 RBX: 0000000000000200 RCX: 1ffffffff1add539 RDX: 0000000000000000 RSI: ffffffff817b7e01 RDI: 0000000000000001 RBP: ffff888146b80000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff817b7de8 R11: 0000000000000000 R12: ffff8880234df440 R13: ffff88802ba59700 R14: dffffc0000000000 R15: ffff888038ad5700 spin_unlock_irqrestore include/linux/spinlock.h:418 [inline] dummy_timer+0x12f6/0x32b0 drivers/usb/gadget/udc/dummy_hcd.c:2001 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421 expire_timers kernel/time/timer.c:1466 [inline] __run_timers.part.0+0x675/0xa20 kernel/time/timer.c:1734 __run_timers kernel/time/timer.c:1715 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 do_softirq.part.0+0xde/0x130 kernel/softirq.c:459 do_softirq kernel/softirq.c:451 [inline] __local_bh_enable_ip+0x102/0x120 kernel/softirq.c:383 spin_unlock_bh include/linux/spinlock.h:408 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:736 [inline] nsim_dev_trap_report_work+0x867/0xbd0 drivers/net/netdevsim/dev.c:762 process_one_work+0x9bf/0x16b0 kernel/workqueue.c:2297 worker_thread+0x658/0x11f0 kernel/workqueue.c:2444 kthread+0x3e5/0x4d0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 4-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 1-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 6-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 mceusb 5-1:0.0: Error: urb status = -71 ---------------- Code disassembly (best guess): 0: 74 24 je 0x26 2: 10 e8 adc %ch,%al 4: 7a f5 jp 0xfffffffb 6: 22 f8 and %al,%bh 8: 48 89 ef mov %rbp,%rdi b: e8 c2 6b 23 f8 callq 0xf8236bd2 10: 81 e3 00 02 00 00 and $0x200,%ebx 16: 75 25 jne 0x3d 18: 9c pushfq 19: 58 pop %rax 1a: f6 c4 02 test $0x2,%ah 1d: 75 2d jne 0x4c 1f: 48 85 db test %rbx,%rbx 22: 74 01 je 0x25 24: fb sti 25: bf 01 00 00 00 mov $0x1,%edi * 2a: e8 33 2d 17 f8 callq 0xf8172d62 <-- trapping instruction 2f: 65 8b 05 dc 44 ca 76 mov %gs:0x76ca44dc(%rip),%eax # 0x76ca4512 36: 85 c0 test %eax,%eax 38: 74 0a je 0x44 3a: 5b pop %rbx 3b: 5d pop %rbp 3c: c3 retq 3d: e8 .byte 0xe8 3e: 80 .byte 0x80 3f: d2 .byte 0xd2