On Wed, Jan 24, 2001 at 07:14:57PM +0000, Richard Hirst wrote: > Your original message (assert size > 0) implies that one of the scsi > drivers has passed down a request to map a zero length buffer. That That was indeed the case. Something asks sim700.c to do a bidirectional trasfer of length 0. Fixed sim700.c to not pci_map_single() on such requests. Should be ok now. Richard