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Date:      Thu, 03 Oct 2002 09:32:07 +0100
From:      Chris Stenton <jacs@gnome.co.uk>
To:        Brandon S Allbery KF8NH <allbery@ece.cmu.edu>
Cc:        Kris Kennaway <kris@obsecurity.org>, Clive Lin <clive@tongi.org>, Robert Withrow <bwithrow@nortelnetworks.com>, freebsd-stable@FreeBSD.ORG
Subject:   Re: Segfaults and bus errors in 4.6.2? 
Message-ID:  <200210030832.g938W7it001117@hawk.gnome.co.uk>
In-Reply-To: Message from Brandon S Allbery KF8NH <allbery@ece.cmu.edu>  of "02 Oct 2002 23:35:04 EDT." <1033616117.21852.8.camel@pyanfar.ece.cmu.edu> 

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> On Wed, 2002-10-02 at 22:56, Kris Kennaway wrote:
> > On Thu, Oct 03, 2002 at 04:33:03AM +0800, Clive Lin wrote:
> > > On Wed, Oct 02, 2002 at 03:56:42PM -0400, Robert Withrow wrote:
> > > > In the referenced message I reported a problem with segfaults and bus errors
> > > > when building openoffice on a FreeBSD 4.6.2-RELEASE system.  I'm still having this problem when I built anything large.
> > > > 
> > > > http://www.FreeBSD.org/cgi/getmsg.cgi?fetch=648314+655734+/usr/local/www/db/text/2002/freebsd-questions/20020915.freebsd-questions
> > > 
> > > This reminds me a hot thread on -current several months ago, a
> > > specific (?) problem on Pentium IV.
> > 
> > Those are also options for -current only.
> 
> For what it's worth, I'm seeing similar problems on a laptop with Mobile
> Pentium IV processor, only when doing large compiles.  They started
> after a build/installworld after a cvsup on 20 September.  Swapping
> memory out had no effect.  (The BIOS has no memory timing options that I
> could find.)
> 
> (The problem was partially masked by the cc/cpp0 problem that also
> showed up in that cvsup, but which has been since resolved; I got around
> that one by building the new world with gcc 3.1 from ports and then
> rebuilding with the base cc ASAP after the installworld.) 
> 


I had the same problem with 4.6.2 on my server thats been running fine for a
couple of years. I had to perform a buildworld 4 times. I found putting it in
single user mode helped. I've found that once I got 4.7-RC1 to compile and
install big compiles have been working fine.

Chris


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