Fatal Trap 12 in various processes always at address 0x3030313a

[Marat N.Afanasyev]

Richard Mahlerwein wrote:
> --- On Sat, 8/29/09, Marat N.Afanasyev <amarat at ksu.ru> wrote:
> 
>> From: Marat N.Afanasyev <amarat at ksu.ru>
>> Subject: Re: Fatal Trap 12 in various processes always at address 0x3030313a
>> To: mahlerrd at yahoo.com
>> Cc: "FreeBSD-Stable" <freebsd-stable at 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?
> 

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.

-- 
SY, Marat
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