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From: maney@two14.net (Martin Maney)
To: Marcelo Tosatti <marcelo@conectiva.com.br>
Cc: linux-kernel@vger.kernel.org, Stephan von Krawczynski <skraw@ithnet.com>
Subject: Re: 2.4.22-rc2 ext2 filesystem corruption
Date: Tue, 12 Aug 2003 10:14:21 -0500	[thread overview]
Message-ID: <20030812151421.GB1074@furrr.two14.net> (raw)
In-Reply-To: <Pine.LNX.4.44.0308121109530.5995-100000@logos.cnet>

On Tue, Aug 12, 2003 at 11:10:51AM -0300, Marcelo Tosatti wrote:
> I'll try to reproduce around here. In the meantime can you try to isolate 
> the corruption. You said it didnt happen with 2.4.21 -- which pre shows up 
> the problem? 

Yes, that's on my list.  Unfortunately this has so far only been seen
on my workstation, and I have to get a bit of work done before I can
pursue this.  At least I can get some candidates built in the
background.

I have tried a few things quickly with 22-rc2, and the short summary
is:

 * noapic makes no difference (don't recall why I had UP APIC enabled)

 * disabling DMA w/hdparm stops the corruption (all normal operation
   and previous testing has been with DMA enabled)

 * mounting w/ -o sync makes no difference except to slow things down

-- 
Show me your flowcharts and conceal your tables, and I shall continue
to be mystified.  Show me your tables, and I won't usually need your
flowcharts; they'll be obvious.  -- Brooks


  reply	other threads:[~2003-08-12 15:14 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-08-12  3:58 2.4.22-rc2 ext2 filesystem corruption Martin Maney
2003-08-12 10:18 ` Stephan von Krawczynski
2003-08-12 13:12 ` Marcelo Tosatti
2003-08-12 13:42   ` Martin Maney
2003-08-12 14:10     ` Marcelo Tosatti
2003-08-12 15:14       ` Martin Maney [this message]
2003-08-12 16:58         ` Marcelo Tosatti
2003-08-12 17:11           ` Alan Cox
2003-08-12 16:56       ` Martin Maney
2003-08-12 17:09         ` Marcelo Tosatti
2003-08-12 21:36           ` Martin Maney
2003-08-13 11:28             ` Alan Cox
2003-08-13 11:37               ` Stephan von Krawczynski
2003-08-13 14:55             ` Marcelo Tosatti
2003-08-13 18:13               ` Martin Maney
2003-08-13 19:40                 ` Alan Cox
2003-08-16  6:35                   ` Martin Maney
2003-08-17  0:09                     ` Mike Fedyk
2003-08-13 22:58                 ` Nerijus Baliunas
2003-08-12  6:20 Alex Davis

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