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

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Message-ID: <20090517195051.GA5142@liondog.tnic>
Date:	Sun, 17 May 2009 21:50:51 +0200
From:	Borislav Petkov <petkovbb@...glemail.com>
To:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Cc:	Borislav Petkov <petkovbb@...glemail.com>,
	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 Sun, May 17, 2009 at 09:45:45PM +0200, Bartlomiej Zolnierkiewicz wrote:
> 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.

Saw it right after hitting send.

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

And I CC'ed you instead, this has even bigger effect :)

-- 
Regards/Gruss,
    Boris.
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