[ 1239.906815] usb 3-1: new full-speed USB device number 4 using xhci_hcd [ 1249.925896] xhci_hcd 0000:0a:00.0: xHCI host not responding to stop endpoint command. [ 1249.925920] xhci_hcd 0000:0a:00.0: Assuming host is dying, halting host. [ 1250.000203] xhci_hcd 0000:0a:00.0: Host not halted after 16000 microseconds. [ 1250.000206] xhci_hcd 0000:0a:00.0: Non-responsive xHCI host is not halting. [ 1250.000209] xhci_hcd 0000:0a:00.0: Completing active URBs anyway. [ 1250.000219] xhci_hcd 0000:0a:00.0: HC died; cleaning up [ 1270.925136] INFO: rcu_sched self-detected stall on CPU [ 1270.925153] 0-...: (1 GPs behind) idle=021/2/0 softirq=27927/27928 fqs=6943 [ 1270.925157] (t=21000 jiffies g=15409 c=15408 q=226) [ 1270.925162] Task dump for CPU 0: [ 1270.925166] swapper/0 R running task 14368 0 0 0x00000008 [ 1270.925177] ffffffff81c40840 ffff88042dc03b88 ffffffff81079d6f 0000000000000000 [ 1270.925183] ffffffff81c40840 ffff88042dc03ba0 ffffffff8107c064 0000000000000001 [ 1270.925187] ffff88042dc03bd0 ffffffff810a2736 ffff88042dc16180 ffffffff81c40840 [ 1270.925192] Call Trace: [ 1270.925196] [] sched_show_task+0xbf/0x120 [ 1270.925212] [] dump_cpu_task+0x34/0x40 [ 1270.925219] [] rcu_dump_cpu_stacks+0x86/0xc0 [ 1270.925224] [] rcu_check_callbacks+0x4bf/0x7a0 [ 1270.925231] [] ? update_wall_time+0x26b/0x690 [ 1270.925237] [] ? tick_sched_do_timer+0x30/0x30 [ 1270.925244] [] update_process_times+0x34/0x60 [ 1270.925248] [] tick_sched_handle.isra.15+0x31/0x40 [ 1270.925253] [] tick_sched_timer+0x38/0x70 [ 1270.925257] [] __hrtimer_run_queues+0xfb/0x270 [ 1270.925261] [] hrtimer_interrupt+0xa3/0x190 [ 1270.925268] [] local_apic_timer_interrupt+0x33/0x60 [ 1270.925273] [] smp_apic_timer_interrupt+0x38/0x50 [ 1270.925280] [] apic_timer_interrupt+0x7f/0x90 [ 1270.925291] [] ? xhci_handshake+0x36/0x70 [xhci_hcd] [ 1270.925299] [] xhci_handle_command_timeout+0x126/0x1d0 [xhci_hcd] [ 1270.925307] [] ? xhci_cleanup_command_queue+0x90/0x90 [xhci_hcd] [ 1270.925313] [] call_timer_fn+0x35/0x130 [ 1270.925319] [] ? xhci_cleanup_command_queue+0x90/0x90 [xhci_hcd] [ 1270.925325] [] run_timer_softirq+0x157/0x280 [ 1270.925331] [] __do_softirq+0x9a/0x290 [ 1270.925336] [] irq_exit+0x83/0x90 [ 1270.925340] [] smp_apic_timer_interrupt+0x3d/0x50 [ 1270.925346] [] apic_timer_interrupt+0x7f/0x90 [ 1270.925348] [] ? cpuidle_enter_state+0xb7/0x260 [ 1270.925361] [] ? cpuidle_enter_state+0xa6/0x260 [ 1270.925367] [] cpuidle_enter+0x12/0x20 [ 1270.925374] [] call_cpuidle+0x2d/0x50 [ 1270.925379] [] ? cpuidle_select+0xe/0x10 [ 1270.925385] [] cpu_startup_entry+0x1eb/0x330 [ 1270.925390] [] rest_init+0x77/0x80 [ 1270.925395] [] start_kernel+0x44d/0x45a [ 1270.925399] [] x86_64_start_reservations+0x2a/0x2c [ 1270.925403] [] x86_64_start_kernel+0xeb/0xee [ 1287.417044] xhci_hcd 0000:0a:00.0: Stopped the command ring failed, maybe the host is dead [ 1287.492099] xhci_hcd 0000:0a:00.0: Host not halted after 16000 microseconds. [ 1287.492104] xhci_hcd 0000:0a:00.0: Abort command ring failed [ 1287.492108] xhci_hcd 0000:0a:00.0: HC died; cleaning up [ 1287.492530] usb usb3-port1: couldn't allocate usb_device [ 2575.319182] usb 2-1.1: new low-speed USB device number 13 using ehci-pci [ 2575.526187] usb 2-1.1: new low-speed USB device number 14 using ehci-pci [ 2575.590174] usb 2-1.1: device descriptor read/64, error -32 [ 2596.243287] xhci_hcd 0000:0a:00.0: remove, state 4 [ 2596.243294] usb usb4: USB disconnect, device number 1 [ 2596.316563] xhci_hcd 0000:0a:00.0: Host not halted after 16000 microseconds. [ 2596.316577] xhci_hcd 0000:0a:00.0: Host controller not halted, aborting reset. [ 2596.316610] xhci_hcd 0000:0a:00.0: USB bus 4 deregistered [ 2596.316779] xhci_hcd 0000:0a:00.0: remove, state 1 [ 2596.316784] usb usb3: USB disconnect, device number 1 [ 2596.316999] xhci_hcd 0000:0a:00.0: USB bus 3 deregistered