usb 1-1: string descriptor 0 read error: -71
pvrusb2: Hardware description: Terratec Grabster AV400
pvrusb2: **********
pvrusb2: WARNING: Support for this device (Terratec Grabster AV400) is experimental.
pvrusb2: Important functionality might not be entirely working.
pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver.
pvrusb2: **********
usb 1-1: selecting invalid altsetting 0
usb 1-1: USB disconnect, device number 13