Debugging CAM_REQ_CMP_ERR errors / bulk transfer failures

[Hans Petter Selasky]

On 08/24/15 09:25, Shrikanth Kamath wrote:
> umass0: BBB reset failed, IOERROR
> umass0: BBB bulk-in clear stall failed, IOERROR
> umass0: BBB bulk-out clear stall failed, IOERROR

This means your USB HDD is no longer responding. Maybe a USB 
re-enumeration will help, though then you will loose the disk. Possible 
USB firmware bug/race.

--HPS