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Date: Wed, 23 Jul 2008 22:01:07 +0100
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Jeroen Beerstra <jeroen@scorpion77.cjb.net>
Cc: Tejun Heo <tj@kernel.org>, linux-kernel@vger.kernel.org,
       IDE/ATA development list <linux-ide@vger.kernel.org>
Subject: Re: non functional pata dvd drive under 2.6.25.6
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On Wed, 23 Jul 2008 22:19:47 +0200
Jeroen Beerstra <jeroen@scorpion77.cjb.net> wrote:

> Hello Tejun,
> 
> Op Friday 18 July 2008 07:00:42 schreef u:
> > Hello, Jeroen.
> >
> > [cc'ing linux-ide]
> >
> > Hmmm... the problem could be caused by hald polling for media presence.
> >  Does "hal-disable-polling /dev/srX" make any difference?
> > hal-disable-polling setting is persistent so if your drive goes bonkers
> > quickly after boot, you can disable polling, reboot and see whether
> > anything is different.  Also, please post the result of "lspci -nn" and
> > "hdparm -I /dev/srX" && please try 2.6.26.
> >
> > Thanks.
> 
> I'm pretty sure about that since the hald process I'm refering to points to 
> the 'faulty' drive. However simply booting with noapic seems to fix all of my 
> problems.

There are lots of similar reports. I don't know what broke the APIC code
but it doesn't appear any of these are libata bugs.

Alan