crash from lpr

[Craig M. Kanarick]

Well, all of a sudden, my Sun 3/60 (running 3.4) started to crash whenever
anyone tries to print a file.  Any ideas?  Here is the /usr/adm/messages
file:

06ec4c
Called from f05141a, fp=f068910, args=f081708 0 0 0
Called from f04fd64, fp=f068924, args=f081708 2500 f095b70 ffff84f6
Called from f00434e, fp=ffff84f6, args=0 e0000001 a0000002 a0000003
End traceback...
panic: Bus error
syncing disks... csh:
trap address 0x8, pid 259, pc = f055088, sr = 2604, stkfmt b, context 4
Bus Error Reg 20<TIMEOUT>
stage c fault address 3f0560fc faultc 1 faultb 0 dfault 0 rw 1 size 0 fcode 5
KERNEL MODE
page map a200002b
D0-D7  0 21 ffff84c4 0 0 2 19 2
A0-A7  3f0560fc f106000 f0813a8 f0776e0 f095b70 f068772 f06871e f0686e2
Begin traceback...fp = f06871e, sp = f0686e2
Called from f01f94e, fp=f06872e, args=0 0 f068766 f047246
Called from f047246, fp=f068766, args=f06fd56 0 0 f095b70
Called from f00456e, fp=f068848, args=8 f3f0000 3f ffff84c4
Called from f02a1e0, fp=f068860, args=f3f3034 0 f3f3034 f3f3034
Called from f02a878, fp=f068870, args=f3f3034 f075328 f068890 f04fdee
Called from f04fdee, fp=f068890, args=f3f3034 f0753fc f3f3034 f07b430
Called from f04d046, fp=f0688a8, args=f075328 f3f3034 f0813a8 f081708
Called from f04ee04, fp=f0688cc, args=f075328 0 0 f06ec4c
Called from f05141a, fp=f068910, args=f081708 0 0 0
Called from f04fd64, fp=f068924, args=f081708 2500 f095b70 ffff84f6
Called from f00434e, fp=ffff84f6, args=0 e0000001 a0000002 a0000003
End traceback...
panic: Bus error

dumping to dev 701, offset 35024
dump i/o error
Rebooting Unix...
Sun UNIX 4.2 Release 3.4 (PHARM) #17: Mon Nov 28 17:51:55 EST 1988
Copyright (c) 1986 by Sun Microsystems, Inc.
mem = 12288K (0xc00000)
avail mem = 11739136
...
etc. etc.

Help?  Thanks in advance, 

-- Craig

Craig M. Kanarick          email:  kanarick at pharm.med.upenn.edu
			   usmail:  University of Pennsylvania
			            School of Medicine, Pharmacology Department
			            124 John Morgan Building
			            37th & Hamilton Walk
			   adelphia, Pennsylvania   19104
			   usphone:  (215) 898-2852