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From: <pcg( Marc)@goof(A.).(Lehmann )com>
To: Stefan Traby <stefan@hello-penguin.com>
Cc: reiserfs-list@namesys.com
Subject: Re: Congratulations! we have got hash function screwed up
Date: Wed, 29 Dec 2004 22:04:42 +0100	[thread overview]
Message-ID: <20041229210442.GA5097@schmorp.de> (raw)
In-Reply-To: <20041229185529.GA7513@hello-penguin.com>

On Wed, Dec 29, 2004 at 07:55:29PM +0100, Stefan Traby <stefan@hello-penguin.com> wrote:
> On Tue, Dec 28, 2004 at 11:12:18PM +0100,  Marc A. Lehmann  wrote:
>  
> >    ReiserFS: hdg2: warning: reiserfs_add_entry: Congratulations! we have got hash function screwed up
> > 
> > Sure sounds like a filesystem bug to me. Is this 2.6.10-rc3-specific or a
> > generic bug in handling hash collisions?
> 
> I can confirm that with 2.6.10.
> It is independent of hash function (r5, rupasov, tea) used.

Interesting, I would have hoped it's not so easy to generate
collisions. Now that a debian package creates collisions, this issue has
become very real.

Another note: It seems that the error returned is wrong. I would expect
ENOSPC if reiserfs runs out of (key-)space, not EBUSY or whatever it
returns.

-- 
                The choice of a
      -----==-     _GNU_
      ----==-- _       generation     Marc Lehmann
      ---==---(_)__  __ ____  __      pcg@goof.com
      --==---/ / _ \/ // /\ \/ /      http://schmorp.de/
      -=====/_/_//_/\_,_/ /_/\_\      XX11-RIPE

  reply	other threads:[~2004-12-29 21:04 UTC|newest]

Thread overview: 72+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-12-28 22:12 Congratulations! we have got hash function screwed up Lehmann 
2004-12-29 18:55 ` Stefan Traby
2004-12-29 21:04   ` Lehmann  [this message]
2004-12-29 21:05   ` Hans Reiser
2004-12-29 21:43     ` Lehmann 
2004-12-29 21:46       ` Christian Iversen
2004-12-29 22:27         ` Lehmann 
2004-12-30  2:05       ` Hans Reiser
2004-12-30 10:22         ` Matthias Andree
2004-12-30 17:02         ` Lehmann 
2005-01-06 12:45 ` Alex Zarochentsev
2005-01-06 14:27   ` Lehmann 
2005-01-06 15:56     ` Hans Reiser
2005-01-06 16:13       ` Spam
2005-01-06 16:26         ` Chris Dukes
2005-01-06 16:29           ` Spam
2005-01-06 16:56             ` Chris Dukes
2005-01-07 17:22           ` Hans Reiser
2005-01-07 17:28             ` Chris Dukes
2005-01-07 23:27             ` flush earlier? (was Re: Congratulations! we have got hash function screwed up) David Masover
2005-01-07 23:52               ` Hans Reiser
2005-01-08  5:03                 ` David Masover
2005-01-08 20:48                   ` Hans Reiser
2005-01-09 23:26                     ` David Masover
2005-01-06 18:55     ` Congratulations! we have got hash function screwed up Edward Shishkin
2005-01-07 17:26       ` Lehmann 
  -- strict thread matches above, loose matches on Subject: below --
2004-12-30 11:52 Yiannis Mavroukakis
2004-12-30 12:40 ` Matthias Andree
2004-12-30 12:59   ` Cal
2004-12-30 14:18     ` Matthias Andree
2004-12-30 16:40       ` Hans Reiser
2004-12-30 16:51         ` Matthias Andree
2005-01-18 21:17         ` Grzegorz Jaśkiewicz
2005-01-19 16:06           ` Hans Reiser
2005-01-19 22:41             ` David Masover
2005-01-20 13:18             ` Edward Shishkin
2005-01-20 23:43               ` Grzegorz Jaśkiewicz
2005-01-21  9:31                 ` Edward Shishkin
2004-12-30 17:07       ` Esben Stien
2004-12-30 17:15         ` Christian Iversen
2004-12-30 17:47         ` Sander
2004-12-30 17:59           ` Esben Stien
2004-12-30 18:30             ` Sander
2004-12-30 18:46               ` Esben Stien
2004-12-30 18:49                 ` Chris Dukes
2004-12-30 19:21                 ` Sander
2004-12-30 19:29                   ` Esben Stien
2004-12-30 18:16           ` Esben Stien
2004-12-30 18:26           ` Spam
2004-12-30 20:41             ` Tom Vier
2004-12-30 23:14             ` Matthias Andree
2004-12-30 23:25               ` Spam
2004-12-31  4:11               ` Hans Reiser
2004-12-31  8:36                 ` Matthias Andree
2004-12-30 20:08         ` Hans Reiser
2004-12-30 21:55           ` Esben Stien
2004-12-31  4:05           ` David Masover
2004-12-31  4:26             ` Hans Reiser
2004-12-31  5:59               ` David Masover
2004-12-30 20:57         ` Adrian Ulrich
2004-12-30 21:01           ` Stefan Traby
2004-12-30 21:20             ` brianmas
2004-12-30 17:09 ` Lehmann 
2004-12-30 20:11   ` Hans Reiser
2004-12-30 13:24 Yiannis Mavroukakis
2004-12-30 14:11 ` Matthias Andree
2004-12-30 17:22 Yiannis Mavroukakis
2004-12-30 18:16 Burnes, James
2004-12-30 18:36 ` Esben Stien
2004-12-30 19:26   ` Matthias Andree
2004-12-30 19:24 ` Matthias Andree
2004-12-30 20:25 ` Hans Reiser

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