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flaky usb conn to bluetooth dongle



I just got a cheapo Bluetooth dongle, as generic and non-branded as can be.
Naturally, it's not always happy; log below.

I'm not a USB or Bluetooth expert. What can I do to file a useful bug report?

Mar 12 12:39:57 luserpc kernel: usb 3-2: new full speed USB device using uhci_hcd
 and address 2
Mar 12 12:39:57 luserpc kernel: usb 3-2: device descriptor read/64, error -71
Mar 12 12:39:57 luserpc kernel: usb 3-2: device descriptor read/64, error -71
Mar 12 12:39:57 luserpc kernel: usb 3-2: new full speed USB device using uhci_hcd
 and address 3
Mar 12 12:39:58 luserpc kernel: usb 3-2: configuration #1 chosen from 1 choice
Mar 12 12:39:58 luserpc kernel: Bluetooth: Core ver 2.11
Mar 12 12:39:58 luserpc kernel: NET: Registered protocol family 31
Mar 12 12:39:58 luserpc kernel: Bluetooth: HCI device and connection manager init
ialized
Mar 12 12:39:58 luserpc kernel: Bluetooth: HCI socket layer initialized
Mar 12 12:39:58 luserpc kernel: Bluetooth: HCI USB driver ver 2.9
Mar 12 12:39:58 luserpc kernel: usbcore: registered new interface driver hci_usb
Mar 12 12:40:33 luserpc kernel: usb 3-2: USB disconnect, address 3
Mar 12 12:43:25 luserpc kernel: usb 3-1: new full speed USB device using uhci_hcd
 and address 4
Mar 12 12:43:25 luserpc kernel: usb 3-1: device descriptor read/64, error -71
Mar 12 12:43:26 luserpc kernel: usb 3-1: configuration #1 chosen from 1 choice
Mar 12 12:57:35 luserpc kernel: usb 3-1: USB disconnect, address 4
Mar 12 12:58:01 luserpc kernel: usb 1-1: new full speed USB device using uhci_hcd
 and address 2
Mar 12 12:58:01 luserpc kernel: usb 1-1: device descriptor read/64, error -71
Mar 12 12:58:02 luserpc kernel: usb 1-1: configuration #1 chosen from 1 choice
Mar 12 12:58:14 luserpc kernel: usb 1-1: USB disconnect, address 2



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