linux-kernel - Re: PATA DMA problem leading to kernel panic on reading movie DVDs

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Date:	Sun, 17 May 2009 21:34:09 +0200
From:	Borislav Petkov <petkovbb@...glemail.com>
To:	bzolnier@...il.com
Cc:	linux-kernel@...r.kernel.org,
	Martin Lottermoser <Martin.Lottermoser@...nline.de>
Subject: Re: PATA DMA problem leading to kernel panic on reading movie DVDs

(adding Bart to CC)

Hi Bart,

please take a look at the OOPS below, seems like we BUG() in ide_intr() at
BUG_ON(!hwif->handler) which shouldn't happen. Full message is at:

http://www.gossamer-threads.com/lists/linux/kernel/1077445.

It is 2.6.29.3 with both PIIX_IDE and ata_piix compiled and it could be
that those two step on each other's toes, but this is only wild stab in
the dark.

I'm sure you have more ideas.

On Sun, May 17, 2009 at 02:14:44PM +0200, Martin Lottermoser wrote:
> Hello,
> 
> On Sun, May 17, 2009 at 01:15:35PM +0200, Martin Lottermoser wrote:
> > no, I don't have the necessary cable for that, but I'll provide a
> > photograph of the screen and put it on my web site.
> 
> I've done that now. The file is available from this URL:
> 
>   http://home.vrweb.de/martin.lottermoser/linux/
> 
> The directory contains a file "0-readme.txt" which explains what the
> files in the directory are; I've added the kernel configuration and the
> syslog.
> 
> Regards,
> Martin Lottermoser
> -- 
> Martin Lottermoser             Martin.Lottermoser at _REMOVE_t-online.de
> Greifswaldstrasse 28
> 38124 Braunschweig             http://home.vrweb.de/martin.lottermoser
> Germany

-- 
Regards/Gruss,
    Boris.
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