Date: Fri, 1 Aug 2003 13:04:16 +0200 From: Tobias Roth <roth@iam.unibe.ch> To: Bruce Cran <bruce@cran.org.uk> Cc: current@freebsd.org Subject: Re: make buildworld: Signal 11; Illegal instruction Message-ID: <20030801110415.GA13918@speedy.unibe.ch> In-Reply-To: <20030731205208.GA14443@buffy.brucec.backnet> References: <86he52r1b6.fsf@PECTOPAH.shenton.org> <86zniupli2.fsf@PECTOPAH.shenton.org> <20030731205208.GA14443@buffy.brucec.backnet>
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On Thu, Jul 31, 2003 at 09:52:08PM +0100, Bruce Cran wrote: > On Thu, Jul 31, 2003 at 03:03:01PM -0400, Chris Shenton wrote: > > Chris Shenton <chris@shenton.org> writes: > > > > > *** Signal 11 > > >... > > > Illegal instruction (core dumped) > > > *** Error code 132 > > > > Also seeing > > > > *** Signal 4 > > > > if it matters. This sounds way too flakey to be SW. > > I'm seeing the same symptoms. I got a signal 4 when running 'clean' in the > pam authentication directory, and I've just had a signal 11 running > 'rm -f libradius.so'. This is an install from a snapshot I built today - > during the install I had panics in _mtx_init_ and a backtrace traced through > vfs and ffs functions, and I only managed to install successfully when I > had the CPU throttled to 30%. This is the same computer which ran memtest86 > for 8 hours without a single fault last night, so I doubt the hardware's > faulty, at least not the memory or the CPU. memtest86 does not always catch memory errors. sig11 and sig4 at varying locations during buildworld are a sure indicator for a hardware problem. most likely a memory or overheating issue, though other hardware related causes are possible. if you still are not convinced that this is a hardware issue, run build- world on a -stable system. more and more latest generation laptops from different manufacturers show these symptoms during hot days. my guess is that mobile pentium 4 systems are just not as stable as they should. let's hope things get better with the pentium m chips. are the manufaturers deploy better quality control to catch the numerous faulty systems.
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