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Date:      Tue, 24 Nov 1998 08:34:18 +0100 (CET)
From:      Søren Schmidt <sos@freebsd.dk>
To:        sgk@troutmask.apl.washington.edu (Steve Kargl)
Cc:        jkh@zippy.cdrom.com, rom_glsa@ein-hashofet.co.il, current@FreeBSD.ORG
Subject:   Re: Random craches under heavy(?) disk activity
Message-ID:  <199811240734.IAA02274@freebsd.dk>
In-Reply-To: <199811232226.OAA24221@troutmask.apl.washington.edu> from Steve Kargl at "Nov 23, 1998  2:26:53 pm"

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It seems Steve Kargl wrote:
> According to Jordan K. Hubbard:
> > > I too have been experiencing random
> > > reboots, with no apparent reason.
> > 
> > I see an apparent reason.  Keep reading.
> > 
> > > My machine is a Pentium 200Mhz overclocked to 233Mhz,
> > 
> > Stop that.  At least until your system is 100% stable and does not
> > exhibit any symptoms which can be clearly traced to software.
> > 
> 
> Jordan,
> 
> First, I agree he should stop overclocking.  But, there really
> is a *subtle* bug.  I've 4 to 5 crashes, but I haven't been
> able to get a dump.
> 
> I've created and deleted 100's of MB of files (e.g., several 
> make worlds).  Then, on a seeming idle system, simply reading
> email can cause the problem.

Try do a "sysctl -w vfs.ffs.doreallocblks=0" that may fix the
problem, at least is has solved a very semilar looking problem
for me (and no I dont overclock :) )

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Søren Schmidt          (sos@freebsd.org)       FreeBSD Core Team member


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