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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
Date: Thu, 22 Jan 2004 09:51:23 +0100	[thread overview]
Message-ID: <20040122085123.GB7249@citd.de> (raw)
In-Reply-To: <20040122023609.GB4392@mail.shareable.org>

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.


  reply	other threads:[~2004-01-22  8:51 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-01-16 20:22 [OT] Redundancy eliminating file systems, breaking MD5, donating money to OSDL Timothy Miller
2004-01-16 20:37 ` Valdis.Kletnieks
2004-01-16 20:59   ` Timothy Miller
2004-01-17 13:15     ` Bart Samwel
2004-01-20 19:21       ` Matthias Schniedermeyer
2004-01-21 11:46         ` Bart Samwel
2004-01-22  0:12         ` Pavel Machek
2004-01-22  8:29           ` Matthias Schniedermeyer
2004-01-22  2:36         ` Jamie Lokier
2004-01-22  8:51           ` Matthias Schniedermeyer [this message]
  -- strict thread matches above, loose matches on Subject: below --
2004-01-20 18:06 Clayton Weaver

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