linux-kernel - Re: 2.6.20*: PATA DMA timeout, hangs (2)

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Message-Id: <200703131204.31435.bzolnier@gmail.com>
Date:	Tue, 13 Mar 2007 12:04:31 +0100
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	Frank van Maarseveen <frankvm@...nkvm.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: 2.6.20*: PATA DMA timeout, hangs (2)


On Tuesday 13 March 2007, Frank van Maarseveen wrote:
> On Mon, Mar 12, 2007 at 09:40:25PM +0100, Bartlomiej Zolnierkiewicz wrote:
> > 
> > Hi,
> > 
> > On Monday 12 March 2007, Frank van Maarseveen wrote:
> > > On Mon, Mar 12, 2007 at 01:21:18PM +0100, Bartlomiej Zolnierkiewicz wrote:
> > > > 
> > > > Hi,
> > > > 
> > > > Could you check if this is the same problem as this one:
> > > > 
> > > > http://bugzilla.kernel.org/show_bug.cgi?id=8169
> > > 
> > > Looks like it except that I don't see "lost interrupt" messages here. So,
> > > it might be something different (I don't know).
> > 
> > From the first mail:
> > 
> > hda: max request size: 128KiB
> > hda: 40021632 sectors (20491 MB) w/2048KiB Cache, CHS=39704/16/63
> > hda: cache flushes not supported
> >  hda: hda1 hda2 hda4
> > 
> > It seems that DMA is not used by default (CONFIG_IDEDMA_PCI_AUTO=n),
> > so this is probably exactly the same issue.
> > 
> > Please try the patch attached to the bugzilla bug entry.
> 
> 2.6.20.2 rejects this patch and I don't see a way to apply it by hand:
> ide_set_dma() isn't there, nothing seems to match.

The patch is for 2.6.21-rc3, sorry for not making it clear.

Bart
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