>xyc0 at vmes0 addr 0xffffee40 level 2 vector 0x48panic: dvma_kvtopa: bad dmva addr 0x0

>.. which on line 1122 goes and calls dvma_kvtopa():

>	dp = dvma_kvtopa((long)iorq->dbuf, BUS_VME16);
 
>   and promptly panics, since dbuf is a null pointer. 

hi nathan-

   i think your xy.c file may be out of date.   Charles fixed
this in xy.c version 1.8.   can you check your versions?
let me know what happens after that... i can help with SMD specific
problems.

chuck