The error appeared as follows whilst writing a cd using a Plextor 
PX-S88T usb writer. Can anyone offer me any assistance on the following 
error.

rom host adapter code
umass0: BBB reset failed, TIMEOUT
cdrecord: input/output error test unit ready: SCSI sendcmd: fatal error
CDB: 00 00 00 00 00
cmd finished after 31.200s timeaout 40s
/netbsd: cd0(umass 0 : 1 : 0): unknown error category f
fixating time: 158.027s

700cdrecord: input/output. error. Mode select g1: scsi sendcmd: retyable 
error
CDB 55 10 00 00 00 00 00 00 10 00
status: 0x0
resid: 16
cmd finished after 0.017s timeout 40s
cdrecord: fifo had 10053 puts and 10053 gets
cdrecord: fifo was 0 times empty and 9984 times full, min full was 98%


Many Thanks.

Lloyd