> sd0 at scsibus0 target 0 lun 0: <Dell, VIRTUAL DISK, 1028> disk fixed > sd0: 136 GB, 139392 cyl, 16 head, 128 sec, 512 bytes/sect x 285474816 sectors > probe(mpt0:0:8:0): generic HBA error Looks like your controller fails to negotiate sync/wide transfers.