Booted new kernel, and then bashed on all three disks on my system. No
problems. I note, however, that your CD-ROM is a SONY (and only SCSI-1? It
apparently didn't negotiate sync mode), and mine is a TOSHIBA, in addition
to the other differences noted.

	Erik <fair@clock.org>

NetBSD 1.3_ALPHA (ATOMIC) #29: Thu Nov  6 16:41:37 PST 1997
    root@atomic.clock.org:/usr/src/sys/arch/sparc/compile/ATOMIC
real mem = 49967104
avail mem = 44650496
using 609 buffers containing 2494464 bytes of memory
bootpath:
/iommu@0,10000000/sbus@0,10001000/espdma@4,8400000/esp@4,8800000/sd@0,0
mainbus0 (root): SUNW,SPARCclassic
cpu0 at mainbus0: TMS390S10 @ 50 MHz, on-chip FPU
cpu0: physical 4K instruction (32 b/l), 2K data (16 b/l): cache enabled
obio0 at mainbus0
clock0 at obio0 addr 0x71200000: mk48t08 (eeprom)
timer0 at obio0 addr 0x71d00000 delay constant 23
zs0 at obio0 addr 0x71100000 pri 12, softpri 6
zstty0 at zs0 channel 0 (console)
zstty1 at zs0 channel 1
zs1 at obio0 addr 0x71000000 pri 12, softpri 6
kbd0 at zs1 channel 0
ms0 at zs1 channel 1
[slavioconfig at obio0] addr 0x71800000 not configured
auxreg0 at obio0 addr 0x71900000
power0 at obio0 addr 0x71910000
fdc0 at obio0 addr 0x71400000 pri 11, softpri 4: chip 82077
iommu0 at mainbus0 addr 0x10000000: version 0x1/0x4, page-size 4096, range 64MB
sbus0 at iommu0: clock = 25 MHz
dma0 at sbus0 slot 4 offset 0x8400000: rev 2
esp0 at dma0 slot 0x4 offset 0x8800000 pri 4: ESP200, 40MHz, SCSI ID 7
scsibus0 at esp0: 8 targets
probe(esp0:0:0): max sync rate 10.00Mb/s
sd0 at scsibus0 targ 0 lun 0: <QUANTUM, FIREBALL1080S, 1Q09> SCSI2 0/direct
fixed
sd0: 1042MB, 3835 cyl, 4 head, 139 sec, 512 bytes/sect x 2134305 sectors
probe(esp0:1:0): max sync rate 5.00Mb/s
sd1 at scsibus0 targ 1 lun 0: <CONNER, CP30200  SUN0207, 4544> SCSI2
0/direct fixed
sd1: 203MB, 2123 cyl, 4 head, 49 sec, 512 bytes/sect x 416108 sectors
probe(esp0:6:0): max sync rate 4.23Mb/s
cd0 at scsibus0 targ 6 lun 0: <TOSHIBA, CD-ROM XM-3401TA, 0283> SCSI2
5/cdrom removable
audioamd0 at sbus0 slot 4 offset 0x1300000 pri 13, softpri 4
audio0 at audioamd0
SUNW,bpp at sbus0 slot 4 offset 0xc800000 not configured
ledma0 at sbus0 slot 4 offset 0x8400010: rev 2
le0 at ledma0 slot 0x4 offset 0x8c00000 pri 6: address 08:00:20:04:d3:67
le0: 8 receive buffers, 2 transmit buffers
dma1 at sbus0 slot 0 offset 0x81000: rev esc
esp1 at dma1 slot 0x0 offset 0x80000 pri 5: ESP200, 40MHz, SCSI ID 7
scsibus1 at esp1: 8 targets
lebuffer0 at sbus0 slot 0 offset 0x40000
le1 at lebuffer0 slot 0x0 offset 0x60000 pri 7: address 08:00:20:04:d3:67
le1: 64 receive buffers, 16 transmit buffers
cgthree0 at sbus0 slot 3 offset 0x0: SUNW,501-1718, 1152 x 900
root on sd0a dumps on sd0b
root file system type: ffs