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From: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
To: Kay Sievers <kay.sievers@vrfy.org>
Cc: Eric Sandeen <sandeen@redhat.com>,
	Aioanei Rares <krnl.list@gmail.com>,
	linux-ext4@vger.kernel.org,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Mild filesystem corruption on ext4 (no journal)
Date: Fri, 05 Jun 2009 22:42:41 +0100	[thread overview]
Message-ID: <4A299151.3040109@tuffmail.co.uk> (raw)
In-Reply-To: <ac3eb2510906050951o200c3aeex56dcb32bf29d0607@mail.gmail.com>

Kay Sievers wrote:
> On Fri, Jun 5, 2009 at 18:43, Alan Jenkins<alan-jenkins@tuffmail.co.uk> wrote:
>
>   
>> If I remove the corrupted file and copy a "known good" copy into it's place,
>> then the corruption doesn't happen.  I've verified this a couple of times.
>>  The corruption only occurs if the file was created by "locale-gen".
>>     
>
> Does it use things like: fallocate()?
>
> Kay
>   

Not quite. Ted says it's already reported as

    http://bugzilla.kernel.org/show_bug.cgi?id=13292

It includes an strace log which implicates the use of both mmap() and 
write() on the same file.  Sounds scary :-).

Alan

  reply	other threads:[~2009-06-05 21:41 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-05 10:49 Mild filesystem corruption on ext4 (no journal) Alan Jenkins
2009-06-05 14:40 ` Aioanei Rares
2009-06-05 14:49   ` Alan Jenkins
2009-06-05 15:20     ` Eric Sandeen
2009-06-05 16:43       ` Alan Jenkins
2009-06-05 16:51         ` Kay Sievers
2009-06-05 21:42           ` Alan Jenkins [this message]
2009-06-06  4:17             ` Henrique de Moraes Holschuh
2009-06-05 18:12         ` Eric Sandeen
2009-06-05 21:32           ` Alan Jenkins
2009-06-05 22:02             ` Eric Sandeen
2009-06-05 18:01   ` Theodore Tso
2009-06-05 21:34     ` Alan Jenkins
2009-06-05 21:42     ` Curt Wohlgemuth
2009-06-09  4:15       ` Michael Rubin

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