Subject: Re: pdc202xx_old serious bug with DMA on 2.6.x series
From: Adolfo =?ISO-8859-1?Q?Gonz=E1lez_Bl=E1zquez?= 
	<agblazquez_mailing@telefonica.net>
To: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Cc: B.Zolnierkiewicz@elka.pw.edu.pl,
       Linux Kernel <linux-kernel@vger.kernel.org>
In-Reply-To: <20040615111552.GA12458@logos.cnet>
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	 <200406150118.34034.bzolnier@elka.pw.edu.pl>
	 <1087255203.4814.10.camel@localhost>  <20040615111552.GA12458@logos.cnet>
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Date: Tue, 15 Jun 2004 13:33:03 +0200
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El mar, 15-06-2004 a las 13:15, Marcelo Tosatti escribi?:
> On Tue, Jun 15, 2004 at 01:20:03AM +0200, Adolfo Gonz?lez Bl?zquez wrote:
> > El mar, 15-06-2004 a las 01:18, Bartlomiej Zolnierkiewicz escribi?:
> > > On Tuesday 15 of June 2004 00:50, Adolfo Gonz?lez Bl?zquez wrote:
> > > > Hi!
> > > 
> > > Hi,
> > > 
> > > > Lot of users are reporting seriour problems with pdc202xx_old ide pci
> > > > driver. Enabling DMA on any device related with this driver makes the
> > > > system unusable.
> > > >
> > > > This seems to happen in all the 2.6.x kernel series.
> > > 
> > > Doing binary search on 2.4->2.6 kernels would help greatly
> > > (narrowing problem to a specific kernel versions).
> > 
> > If it helps, I tried 2.6.2, 2.6.4, 2.6.5, and 2.6.7-rc3, and all have
> > the bug.
> 
> And which kernels does not exhibit the problem?

The 2.4 series it's ok, I'm gonna try with different 2.5.x kernels to
see if i can discover when the bug was introduced

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