--On Thursday, February 16, 2017 12:58 PM -0500 Jerry Geis <jerry.geis at gmail.com> wrote: > [495043.100076] usb 5-2: device descriptor read/64, error -71 The USB driver uses negative values of the errors from /usr/include/asm-generic/errno.h. 71 is EPROTO, a protocol error. Check the USB driver source code to see what would elicit this error. --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus