BAD TRAP

[Don Cox]

System: Sun4/260, SunOS4.0.3

Our news server (coop) has re-booted twice in the last week because of
a "BAD TRAP".  Below is a record of the /var/adm/messages file.  Any
ideas or suggestions as to what could be causing this would be greatly
appreciated.  Thanks.

******************* /var/adm/messages follows ******************
Jan 22 10:45:19 coop vmunix: ie0: no carrier
Jan 22 11:31:22 coop vmunix: BAD TRAP
Jan 22 11:31:22 coop vmunix: dump: Data fault
Jan 22 11:31:22 coop vmunix: kernel read fault at addr=0xff74fc00, pme=0x0
Jan 22 11:31:22 coop vmunix: Bus Error Reg 80<INVALID>
Jan 22 11:31:22 coop vmunix: pid=13911, pc=0xf80441ac, sp=0xffffeca0, psr=0x16c3, context=15
Jan 22 11:31:22 coop vmunix: g1-g7: 16e4, 4010e5, 4c000, 0, 44, f80ca400, f80ca400
Jan 22 11:31:22 coop vmunix: Begin traceback... sp = ffffeca0
Jan 22 11:31:22 coop vmunix: Called from f8044e1c, fp=ffffed00, args=ff65c500 c 10e4 0 ff74fc00 ff74fc00
Jan 22 11:31:22 coop vmunix: Called from f803b018, fp=ffffed68, args=ff65940c 4010e5 ffffeeac ff65c500 c00 10e5
Jan 22 11:31:22 coop vmunix: Called from f80395e0, fp=ffffedc8, args=f811c7e0 f8044a4c ffffeeac 1000 1 ffffeea4
Jan 22 11:31:22 coop vmunix: Called from f8039324, fp=ffffee40, args=f811c7e0 f80bdf38 1000 ffffeeac f811c7e0 17fb041
Jan 22 11:31:22 coop vmunix: Called from f809218c, fp=ffffeec0, args=ffffefe0 f80bcab0 f80bcab0 3 ffffefb4 1000
Jan 22 11:31:22 coop vmunix: Called from f80058d0, fp=ffffef58, args=8000000 4 1000 4 4 20
Jan 22 11:31:22 coop vmunix: Called from 5cf4, fp=f7fffd30, args=1 3d000 1000 20800 10 0
Jan 22 11:31:22 coop vmunix: End traceback...
Jan 22 11:31:22 coop vmunix: panic: Data fault
Jan 22 11:31:22 coop vmunix: syncing file systems... [29] 4 [29] [25] [19] [9] done
Jan 22 11:31:22 coop vmunix: 
Jan 22 11:31:22 coop vmunix: dumping to vp ff005ca8, offset 158019
Jan 22 11:31:22 coop vmunix: SunOS Release 4.0.3 (COOP) #1: Thu Dec 6 12:22:40 EST 1990
Jan 22 11:31:22 coop vmunix: Copyright (c) 1989 by Sun Microsystems, Inc.
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                  Don Cox
Phone (716) 253-7121      KMX (716) 253-7998
INTERNET    dcox at ssd.kodak.com