graphics corruption/hardlock with Radeon Mobility 9600

[Alex Deucher]

On Mon, Jan 5, 2009 at 11:02 PM, Pedro R <eusou15 at yahoo.com> wrote:
> Thanks Alex, I set DRI to False and AGPMode to 1 and it worked.

Setting DRI to false makes the AGPMode option irrelevant.  Make sure
you remove the DRI option when you try the try the AGPMode options.

>
> There is another guy with exactly the same problem.
> I'll try to find out what is exactly that is causing the problem (either the DRI or the AGPMode). Do you know to whom i should talk to after i'm certain of what causes it?
>

Both are probably AGP related and can be solved by setting the proper
AGPMode for your GPU chipset combination.

Alex

>
> --- On Mon, 5/1/09, Alex Deucher <alexdeucher at gmail.com> wrote:
>
>> From: Alex Deucher <alexdeucher at gmail.com>
>> Subject: Re: graphics corruption/hardlock with Radeon Mobility 9600
>> To: eusou15 at yahoo.com
>> Cc: xorg-driver-ati at lists.x.org
>> Date: Monday, 5 January, 2009, 8:52 PM
>> On Mon, Jan 5, 2009 at 10:54 AM, Pedro R
>> <eusou15 at yahoo.com> wrote:
>> > hello
>> >
>> > i've been having major problems with any version
>> of Xorg above 7.2. I had openSUSE 10.3 running on my system
>> for a year and a half when i decided to upgrade to 11.1.
>> After upgrading, gdm hardlocks and show corrupted graphics.
>> So i decided to try various distributions: ZenWalk, gentoo,
>> fedora, debian lenny, etc. The same happens in all of them:
>> at first boot into gdm, it locks up completely - ctrl + alt
>> + del, ctrl + fX, even quickly pressing and depressing the
>> power button doesn't work.
>> >
>> > Only openSUSE 10.3 (xorg 7.2) and Debian etch (7.1)
>> work flawlessly. I've pinned down this problem to either
>> a xorg, xorg-radeon or gdm bug, since Windows runs fine with
>> 3D acceleration.
>> >
>> > Any ideas? I'm desperate. Never thought Windows
>> would run on a machine where Linux doesn't!
>>
>> It's probably AGP related.  Does adding this option to
>> the device
>> section of your xorg.conf help?
>>
>> Option "AGPMode" "x"
>>
>> Where x = 1 or 2 or 4 or 8.
>>
>> Some chipset/GPU combinations only work in certain modes.
>> If none of
>> those work, try:
>> Option "BusType" "PCI"
>>
>> Alex
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