Ati Radeon 7200 3D feature is buggy (kernel 2.6.34-rc6, ATI driver 6.13) (Answer TWO: more precise)

[Alex Deucher]

2010/5/3 Uwe Bugla <uwe.bugla at gmx.de>:
> Am Montag, den 03.05.2010, 15:27 +0200 schrieb Michel Dänzer:
>> On Sam, 2010-05-01 at 09:33 +0200, Uwe Bugla wrote:
>> > Hi,
>> >
>> > I am working with an ATI Radeon 7200 QD (R100) on a Pentium 4 machine
>> > with Intel AGP chipset.
>> > The card driver is 6.13 (latest snapshot from April 30).
>> >
>> > To savely exclude other side effects I did the following:
>> > Recompile mesa library 7.9 devel and libdrm 2.4.20 from snapshot of
>> > April 30.
>> >
>> > What is the symptom?
>> > Via config manager of Gnome 2.30 I make metacity a composite manager for
>> > a reduced
>> > amount of 3D effects.
>> > What happens with the ATI driver (NOT with the self-built nouveau driver
>> > running
>> > with my Nvidia cards - this one works fantastic!) is the following:
>> >
>> > If I go to the Linux Kernel archives via iceweasel 3.59 and push the
>> > right mouse
>> > button over some "View Patch" entry I get a window throwing shadows, as
>> > intended.
>> >
>> > BUT: The window does not contain any text!
>> > I wonder if the 6.13 driver can deal with the fact that the card only
>> > has 32 MB RAM.
>> > But this is wild guessing, as I do not have any idea.
>> > Maybe this hint / symptom is helpful for the developers.
>> >
>> > When publishing driver 6.13 you were promising a driver being able of 3D
>> > and 2D
>> > effects plus KMS.
>> > Except the 3D effects everything is working fine.
>> > When will you finally fulfil that promise?
>>
>> Did you test the kernel patch I asked you to?
>
>
> Hello everybody,
>
> SIGH! I got Compiz running together with my ATI Radeon QD 7200 (=R100).
>
> Just to make it clear for every one:
>
> Needed are:
>
> 1. Kernel 2.6.34-rc6
> 2. a self built Debian package containing the latest snapshot from
> driver xf86-video-ati, version 6.13.
> 3. one AGP patch
> 4. one Radeon patch
> 5. most important (and this one cost me hours to find out!):
>
> NOT the latest master from here:
> http://cgit.freedesktop.org/mesa/mesa/
> This master contains hunks which make the whole thing incompatible!
>

What hunks are causing problems?  What sort of problems are you seeing?

>
>
> Instead you can use this one:
> http://cgit.freedesktop.org/mesa/mesa/snapshot/mesa-nvfx-next-6b.tar.gz
>
> This is Luca Barbieri's experimental tree, which not only works
> excellent with my Nvidia nv34 cards, but furthermore seems to be the
> only one to work with my ATI driver......
>
>
>
> Michel Dänzer does not like the Radeon patch, and Dave Airlie promised
> to write a better one.
> Unfortunately I haven't seen any patch from Dave yet, so the empty
> promise stays to at least try to find a better solution......

There were several new variations of the patch from both Dave and
Michel and you were cc'ed on most of them:
http://marc.info/?l=dri-devel&m=127233579110506&w=2
http://lists.freedesktop.org/archives/dri-devel/2010-April/000266.html
http://lists.freedesktop.org/archives/dri-devel/2010-April/000309.html

Alex