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Date: Sun, 07 Oct 2007 18:08:47 +0200
From: Per olof Ljungmark <peo@intersonic.se>
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Subject: Re: buildworld failures on STABLE
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Eugene Grosbein wrote:
> On Sun, Oct 07, 2007 at 11:40:11AM +0200, Roland Smith wrote:
> 
>>> On a remote machine currently with RELENG-6 from 20th. June, with STABLE 
>>> sources from this morning I get build failures in contrib/ similar to:
>> <snip>
>>> /usr/src/gnu/usr.bin/cc/cc_int/../../../../contrib/gcc/lcm.c:801: internal 
>>> compiler error: Segmentation fault: 11
>> <snip>
>>> Would this indicate a hardware (memory) problem? 
>> Yes. The compiler dying with signal 11 is a typical memory problem.
>>
>>> Any way to test remotely?
>> There are memory test applications like memtest86+ (http://www.memtest.org/).
>> You have to boot from it, but it does support a console on a serial port.
> 
> There is also ports/sysutils/memtest that may be run from multiuser
> if one manages to build it with broken memory :-)
> Or it's possible to install a package.
> 
> One problem with running such application with OS loaded is that
> kernel places strict limit to amount of memory that user-level application
> may lock. There is a PR with a patch that allows to raise the limit
> so memtest could test most part of free memory:
> 
> http://www.FreeBSD.org/cgi/query-pr.cgi?pr=kern/114654

Thanks for the memtest advice, I ran it and memory is definitely hosed.
Sigh, that means 400 kilometers of travel...

Per olof