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

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Date:	Sun, 17 May 2009 21:45:45 +0200
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	Borislav Petkov <petkovbb@...glemail.com>
Cc:	linux-kernel@...r.kernel.org,
	Martin Lottermoser <Martin.Lottermoser@...nline.de>,
	linux-ide@...r.kernel.org
Subject: Re: PATA DMA problem leading to kernel panic on reading movie DVDs

On Sunday 17 May 2009 21:34:09 Borislav Petkov wrote:
> (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.

Yes, see my other mail.

[ After writing "I will cc: linux-ide on IDE/ATA problems" 100x times
  on the whiteboard... ;-) ]

> 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
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