linux-ext4 - Re: data corruption with ext4 (from 2.6.27.4) exposed by rtorrent

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Message-ID: <18705.63392.489856.682976@frecb006361.adech.frec.bull.fr>
Date:	Wed, 5 Nov 2008 20:44:32 +0100
From:	Solofo.Ramangalahy@...l.net
To:	Jindrich Makovicka <makovick@...il.com>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: data corruption with ext4 (from 2.6.27.4) exposed by rtorrent

Hi Jindrich,

Jindrich Makovicka writes:
 > The following testcase was used to trigger the infamous MAP_SHARED
 > dirty flag bug. Maybe it could be of some help here too:
 > 
 > http://lkml.org/lkml/2006/12/27/180

Thanks for remembering!

The test case triggers corruption with 2.6.28-rc3 + ext4 patch queue:
. bunch of errors like
  Chunk 71637 corrupted (0-1339)  (2756-4095)
  Expected 213, got 0
  with default mount.
. nodelalloc is ok.

-- 
solofo
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