Comment 2 for bug 493747

Forgot to put DMESG info:

$ dmesg | grep usb
[ 0.345865] usbcore: registered new interface driver usbfs
[ 0.345865] usbcore: registered new interface driver hub
[ 0.345865] usbcore: registered new device driver usb
[ 0.690158] usb usb1: configuration #1 chosen from 1 choice
[ 0.710130] usb usb2: configuration #1 chosen from 1 choice
[ 0.710529] usb usb3: configuration #1 chosen from 1 choice
[ 0.710792] usb usb4: configuration #1 chosen from 1 choice
[ 0.711039] usb usb5: configuration #1 chosen from 1 choice
[ 0.711288] usb usb6: configuration #1 chosen from 1 choice
[ 0.711565] usb usb7: configuration #1 chosen from 1 choice
[ 0.711814] usb usb8: configuration #1 chosen from 1 choice
[ 1.350019] usb 4-1: new low speed USB device using uhci_hcd and address 2
[ 1.534015] usb 4-1: configuration #1 chosen from 1 choice
[ 1.610923] usbcore: registered new interface driver hiddev
[ 1.611032] usbcore: registered new interface driver usbhid
[ 1.611036] usbhid: v2.6:USB HID core driver
[ 1.630063] input: Logitech USB Receiver as /devices/pci0000:00/0000:00:1a.1/usb4/4-1/4-1:1.0/input/input3
[ 1.630249] logitech 0003:046D:C517.0001: input,hidraw0: USB HID v1.10 Keyboard [Logitech USB Receiver] on usb-0000:00:1a.1-1/input0
[ 1.662593] input: Logitech USB Receiver as /devices/pci0000:00/0000:00:1a.1/usb4/4-1/4-1:1.1/input/input4
[ 1.662723] logitech 0003:046D:C517.0002: input,hiddev96,hidraw1: USB HID v1.10 Mouse [Logitech USB Receiver] on usb-0000:00:1a.1-1/input1
[ 1.811317] usb 4-2: new full speed USB device using uhci_hcd and address 3
[ 2.047730] usb 4-2: configuration #1 chosen from 1 choice
[ 13.682717] usbcore: registered new interface driver pac7311
[36922.071276] usb 6-1: new full speed USB device using uhci_hcd and address 2
[36932.292306] usb 6-1: configuration #1 chosen from 1 choice
[36932.368617] usbcore: registered new interface driver btusb
[38503.540072] usb 6-1: USB disconnect, address 2
[38503.540634] btusb_intr_complete: hci0 urb ffff8800660e5cc0 failed to resubmit (19)
[38503.540648] btusb_bulk_complete: hci0 urb ffff8800660e5f00 failed to resubmit (19)
[38503.541633] btusb_bulk_complete: hci0 urb ffff8800660e56c0 failed to resubmit (19)
[38503.541800] btusb_send_frame: hci0 urb ffff8800464da3c0 submission failed
[39073.860038] usb 6-1: new full speed USB device using uhci_hcd and address 3
[39084.072287] usb 6-1: configuration #1 chosen from 1 choice