Bug#515326: xorg-video-radeon: OpenGL freezes on radeon 9600 XT

[Alex Deucher]

On Mon, Feb 16, 2009 at 3:59 PM, Xavier Bestel <xavier.bestel at free.fr> wrote:
> Le lundi 16 février 2009 à 08:11 +0100, Michel Dänzer a écrit :
>> On Sun, 2009-02-15 at 17:40 +0100, Xavier Bestel wrote:
>> >
>> > when the screensaver runs for a while, Xorg deadlocks.
>> > Happens since latest experimental upgrade.
>>
>> Which of xserver-xorg-video-radeon, libgl1-mesa-dri or
>> linux-image-$(uname -r) were upgraded/installed from/to what versions
>> during that upgrade? Can you isolate which of them introduced the
>> problem?
>
> I upgraded them all.
> I could try to find the culprite if it's really necessary, but ..
>
>> > (==) RADEON(0): Using AGP 8x
>>
>> Does
>>
>>       Option  "AGPMode" "4"
>
> That was it, thanks. However, if my memory serves me good, there was a
> time when this option was needed for my card, and a version (last year)
> of xserver-xorg-video-radeon started to guess right how to configure my
> card. It seems the newest one has lost how to do it properly.

We've switched back and forth between defaulting to whatever the bios
sets and the lowest agp speed.  Now we are just adding chipset/gpu
specific quirks since neither default seems to work well in all cases.

Alex