From owner-freebsd-hackers  Thu Aug 22  2:28:57 2002
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From: Soeren Schmidt <sos@freebsd.dk>
Message-Id: <200208220928.g7M9SlmZ081159@freebsd.dk>
Subject: Re: Memory corruption in CURRENT
In-Reply-To: <20020822111650.I45839-100000@levais.imp.ch>
To: Martin Blapp <mb@imp.ch>
Date: Thu, 22 Aug 2002 11:28:47 +0200 (CEST)
Cc: Don Lewis <dl-freebsd@catspoiler.org>, marks@ripe.net,
	ktsin@acm.org, freebsd-current@FreeBSD.ORG, hackers@FreeBSD.ORG
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It seems Martin Blapp wrote:
> Hi Soeren,
> 
> > However, this kind of problem in most cases spells bad HW to me,
> > ie subspec RAM, poor powersupply, badly cooled CPU, overclocking etc etc...
> 
> That's what I thought too. I have now three different systems which show
> all this:
> 
> 1) PIV 1,6Ghz, Intel B845DG Board, 1GB Kingston Ram,
> 2) PIV 2Ghz Intel B845DG Board, 1GB Kingston ECC Ram
> 3) PIV 2,26 Ghz Asus P4B533 Board with I845 chipset, 1GB noname Ram
> 
> All running CURRENT. I also replaced in 1) and 2) the CPU, RAM.
> It happens both on SCSI and ATA disks. Powersupply has been changed
> for all 3 systems. Problem is still the same.
> 
> The problem sometimes appears just after startup. CPU is still cold then.
> Other times it builds 6 buildworlds sucessfully, and then suddenly I see
> a SIG4.

Hmm, thats probably a P4 problem then, I dont see it on any of my 
systems (P3 + K7) I dont have a P4 here (and newer will unless left 
at my doorstep), and I have no immediate ideas other than trying a
MB that doesn't have a i845 chipset (the less Intel parts the better :) )

-Søren

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