From: Andres Freund <andres@anarazel.de>
To: Keith Packard <keithp@keithp.com>
Subject: Re: [git pull] agp patches for 2.6.28-rc1.
Date: Mon, 20 Oct 2008 04:27:20 +0200
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Cc: Dave Airlie <airlied@linux.ie>, linux-kernel@vger.kernel.org
References: <alpine.DEB.0.82.0810160758320.16504@skynet.skynet.ie> <200810200358.52147.andres@anarazel.de> <1224469147.5303.47.camel@koto.keithp.com>
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Hi,

On Monday 20 October 2008 04:19:07 you wrote:
> On Mon, 2008-10-20 at 03:58 +0200, Andres Freund wrote:
> > Its basically only this, right?
> > Barring that I have absolutely idea about the code and all related stuff,
> > do I see it correct, that this also will result in problems if the kernel
> > doesn't have the related fix?
> Yes, on this hardware, the kernel is smashing the last few stolen
> entries with a bad value, so running a new driver against an old kernel
> will fail as well. There's not a lot we can do about this direction
> though; until we have all of this hardware management in one place,
> we're stuck trying to synchronize fixes across two code bases.
Ugly situation. So the distribution can't really do anything, because it will 
get locked either way.

> > If its really only a that small portion of hardware... At least the
> > T500/T400 series, containing the same hw as mine, from Lenovo propably is
> > not yet really wide spread (Laptop is 4weeks old or so and wasn't
> > available before).
> I haven't even received my x200s yet as they've just entered production.
> The problem here was that the prototype hardware had a different
> behavior than what is now shipping, so we didn't catch this mistake
> until the first production machines were tested.
Life is fun.

> If you care to try the above fix against your current driver sources,
> that would be helpful for us.
Will do so tomorrow morning, its 4am here ;-) and I finished the work I had to 
do tonight...


Greetings,

Andres
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