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From: stevel@rtech.rtech.com (Steve Langley)
Newsgroups: comp.windows.x
Subject: Re: R4 MIT server coredumps
Message-ID: <4625@rtech.rtech.com>
Date: 1 Feb 90 05:37:33 GMT
References: <9001301444.AA01685@Larry.McRCIM.McGill.EDU>
Organization: Relational Technology Inc. Alameda, CA 94501
Lines: 49

From article <9001301444.AA01685@Larry.McRCIM.McGill.EDU>, by mouse@LARRY.MCRCIM.MCGILL.EDU (der Mouse):
> I've been getting consistent crashes from the MIT R4 sample server, and
> have tracked the problem far enough to know I'm out of my depth and
> need to call someone who knows the server better.
> 
> Environment: Sun-3, server built with
> 
> CDEBUGFLAGS=-O
> CC=gcc -DNOSTDHDRS -fstrength-reduce -fpcc-struct-return
> CCOPTIONS=-m68881 -pipe
> 
> % gcc -version
> gcc version 1.36.93
> 
> Typical stack trace from adb:
> 
> core file = core -- program ``Xsun''
> SIGSEGV	11: segmentation violation
> _checksept() + 34
> _EnqueueEvent()	+ 106
> _sunKbdProcessEvent() +	22c
> _ProcessInputEvents() +	e6
> _Dispatch() + b8
> _main(0x3,0xefff9e8,0xefff9f8) + 356
> 


I have been seeing exactly the same type of crash. I am running a
Sun 3/60, and the server was built using the standard Sun cc rather than
gcc. It has happened 3 times now, and under the same circumstances you
have detailed. (Event queue corrupted as you describe, happens while changing
window focus, etc.)

I had a vague notion that it might have something to do with xman; every
time it has crashed I have had xman running. When xman is not up the server
doesn't seem to die. This is a totally wild hunch, drawn from too few
datapoints, but it's all I can add to your analysis of the situation.

Anybody at MIT want to comment? Any other Sun (or non-Sun) users that
have seen this?


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