Date: Thu, 22 Jan 2004 09:51:23 +0100
From: Matthias Schniedermeyer <ms@citd.de>
To: Jamie Lokier <jamie@shareable.org>
Cc: Bart Samwel <bart@samwel.tk>, Timothy Miller <miller@techsource.com>,
       Valdis.Kletnieks@vt.edu,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [OT] Redundancy eliminating file systems, breaking MD5, donating money to OSDL
Message-ID: <20040122085123.GB7249@citd.de>
References: <4008480F.70206@techsource.com> <200401162037.i0GKbgWY005453@turing-police.cc.vt.edu> <4008509B.2060707@techsource.com> <200401171415.31645.bart@samwel.tk> <20040120192114.GA30755@citd.de> <20040122023609.GB4392@mail.shareable.org>
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On Thu, Jan 22, 2004 at 02:36:09AM +0000, Jamie Lokier wrote:
> Matthias Schniedermeyer wrote:
> > *2: I had a direcory of about 1,5 Million images and "md5sum"med them to
> > eliminate doubles. The Log-file, at one point, had the same md5sum as
> > one of the pictures.
> 
> Something similar happened to me once.  Two different files with the
> same result from md5sum.
> 
> When I ran md5sum again, it still reported the same results.
> 
> Then when I flushed the page cache and ran it again, it reported
> different results.
> 
> I concluded it was a rare page cache corruption heisenbug.  Scary.

I can 100% exclude Linux-Errors. The machine (still) runs with Solaris 8.


Bis denn

-- 
Real Programmers consider "what you see is what you get" to be just as 
bad a concept in Text Editors as it is in women. No, the Real Programmer
wants a "you asked for it, you got it" text editor -- complicated, 
cryptic, powerful, unforgiving, dangerous.

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