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Article #11180

System crashes

#11180
From: Kevin Kelleher
Date: Wed, 01 Mar 1989 00:26
63 lines
3145 bytes
I have a 3/280 running 4.0.1 and have had two system crashes in the last
two days during periods of heavy nfs activity (there are 7 3/60s connected
to it).  I am hoping that someone can make since out of the panic messages
below.  I have a call into sun about it, but we all know how long that can
take.

First crash:
    diff: 
    trap address 0x8, pid 29905, pc = f027448, sr = 2004, stkfmt b, context 1
    Bus Error Reg 80<INVALID>
    data fault address c faultc 0 faultb 0 dfault 1 rw 1 size 0 fcode 5
    KERNEL MODE
    page map 0 pmgrp aa
    D0-D7  0 f 4 0 0 0 100 20
    A0-A7  f117ce8 f117ce8 f117ce8 0 f0b2cc0 f2922cc ffff96b0 ffff9684
    Begin traceback...fp = ffff96b0, sp = ffff9684
    Called from f045d72, fp=ffff96d8, args=ffff9738 1 0 1
    Called from f03da06, fp=ffff973c, args=ffff9738 1 f117560 0
    Called from f03c85c, fp=ffff9768, args=21cdc 0 1 0
    Called from f03c7da, fp=ffff9780, args=21cdc 1 0 ffff97b4
    Called from f067cec, fp=ffff97a8, args=ffff9a18 28c54 281ac 0
    Called from f004768, fp=efffb90, args=5 220f1 fffffffb 4
    End traceback...
    panic: Bus error
    syncing file systems... 
Hung at this point....

Second crash (about 26 hours later):
    syslogd: 
    trap address 0x8, pid 96, pc = f031e4a, sr = 2004, stkfmt b, context 1
    Bus Error Reg 80<INVALID>
    data fault address 0 faultc 0 faultb 0 dfault 1 rw 1 size 0 fcode 5
    KERNEL MODE
    page map 0 pmgrp 28
    D0-D7  0 f19ba37 1 0 0 0 2 f112004
    A0-A7  f0a34e8 f19ba38 0 0 f0b2020 f17ad0c ffff95f8 ffff95e8
    Begin traceback...fp = ffff95f8, sp = ffff95e8
    Called from f028a38, fp=ffff9628, args=f17ad0c f0b2020 38 ffff976c
    Called from f05c9ca, fp=ffff9638, args=f117ce8 ffff976c ffff9684 f0461da
    Called from f0461da, fp=ffff9684, args=0 ffff976c 0 2
    Called from f03b7e4, fp=ffff96b0, args=f1e11c4 ffff976c 1 2
    Called from f02de10, fp=ffff96d8, args=f0e3574 1 ffff976c effffdc
    Called from f02dd20, fp=ffff9780, args=ffff976c 1 ffff97b4 effe29f
    Called from f067cec, fp=ffff97a8, args=ffff9a18 effe250 222f0 0
    Called from f004768, fp=effe268, args=79 d8 ffffffdd 1
    End traceback...
    panic: Bus error
    syncing file systems... [32] 6 [32] [28] [21] [10] done

    dumping to vp f117c74, offset 50648

I kept copies of the core dumps if anyone can tell me how to gleem useful
information out of them.

Much thanks

Kevin Kelleher				{uunet,pyramid,altos}!xilinx!kevin
Xilinx Inc.				(408) 559-7778 x269
2069 Hamilton Ave
San Jose CA 95125

[[ Don't rule out a hardware problem.  This could, possibly, be caused by
bad memory (but that's just a guess).  --wnl ]]
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!lll-winken!ames!mailrus!cornell!uw-beaver!rice!sun-spots-request
From: xilinx!sol!kevin@uunet.uu.net (Kevin Kelleher)
Newsgroups: comp.sys.sun
Subject: System crashes
Message-ID: <8902180115.AA04864@>
Date: 1 Mar 89 00:26:28 GMT
Sender: usenet@rice.edu
Organization: Sun-Spots
Lines: 63
Approved: Sun-Spots@rice.edu
Original-Date: Fri, 17 Feb 89 17:15:07 PST
X-Sun-Spots-Digest: Volume 7, Issue 173, message 3 of 16