Re: Fatal Trap 12 in various processes always at address 0x3030313a

[Marat N.Afanasyev]

Richard Mahlerwein wrote:

--- On Sat, 8/29/09, Marat N.Afanasyev <ama...@ksu.ru> wrote:

From: Marat N.Afanasyev <ama...@ksu.ru>
Subject: Re: Fatal Trap 12 in various processes always at address 0x3030313a
To: mahle...@yahoo.com
Cc: "FreeBSD-Stable" <freebsd-stable@freebsd.org>
Date: Saturday, August 29, 2009, 6:59 PM
such trap could be triggered by 'floating' memory/cache
error. and i think that you should try to suspect memory
first. memtest helps to diagnose most of memory problems,
but not all.

-- SY, Marat

How can I test that?  If a buildworld will complete successfully several times 
(with mildly different source, even), and memtest86+ won't find it, how can I 
tell if that's the problem or not?

--
SY, Marat

I ususally do md5 of large tmpfs based file. make tmpfs as large as possible, create a big file in the tmpfs and calculate md5 of this file many times.

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