Folks -

How does one drop into the DDB on a mac?  My IIcx just hangs once I log 
in as root...single user dies, too...It just goes for a while, then, 
poof...

See below for clues that I might have missed:

--------------------------------------------------------------------------
Jason R. Thorpe               thorpej@cs.orst.edu                 758-2003
Systems Administrator            CSWest Room 5                    737-5567
CS Dept, Oregon State University           http://www.cs.orst.edu/~thorpej
               "I brought my BOWLING BALL -- and some DRUGS!"
                      -- ztp
-----cut here-----
NetBSD 1.0 (GENERIC) #3: Thu Oct 27 11:16:06 PDT 1994
	root@kitten.home.net:/usr/src/sys/arch/mac68k/compile/GENERIC
Apple Macintosh IIcx (68030)
ream mem = 8384512
avail mem = 5668864
using 127 buffers containing 520192 bytes of memory
Desktop bus initializing...
mainbus0 (root)
ite0 at mainbus0 (minimal console)
adb0 at mainbus0 (adb event device)
nubus0 at mainbus0
nubus0: s:9 t:4 "MacCon Ethernet, Asante Technologies, Inc." not configured
grf0 at nubus0: 640 x 480 1 color MacVideo (Mac II High-Resolution Video
     Card) display
ser0 at mainbus0
ncrscsi0 at mainbus0
scsibus0 at ncrscsi0
scsibus: probing bus 0.
 targ 0 lun 0: <QUANTUM LPS270S      5900> SCSI2 direct fixed
sd0 at scsibus0: 258MB, 2740 cyl, 2 head, 96 sec, 512 bytes/sec
 targ 5 lun 0: <SEAGATE ST277N       m> SCSI1 direct fixed
sd1 at scsibus0: 61MB, 818 cyl, 6 head, 25 sec, 512 bytes/sec
ncr96scsi at mainbus0 not configured
asc0 at mainbus0 Apple sound chip.
floppy at mainbus0 not configured
Changing root device to sd1a.
swapping 409 and 401.
swapdev = 409, dumpdev = ffffffff
Enter pathname of shell or RETURN for sh: