[Bug 37679] New: [RS690M] No 3d acceleration in Radeon X1200 with the new Gallium r300 / 3d drivers

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=37679

           Summary: [RS690M] No 3d acceleration in Radeon X1200 with the
                    new Gallium r300 / 3d drivers
           Product: xorg
           Version: unspecified
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: gandreoliva at gmail.com
         QAContact: xorg-team at lists.x.org


This is a bug reported in Launchpad, against the "xserver-xorg-video-ati"
package of Ubuntu, on 2011-04-10. There, the bug is marked as Confirmed.

https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/755791


The symptoms: No 3d acceleration (glxgears shows a black window, Unity [Ubuntu
11.04 3d shell] doesn't start), *but* no fallback into the software-rendering
mode (glxinfo reports that the 3d acceleration is working)

The hardware: ATI Radeon RS690M X1200 series

The Operating system: Ubuntu 11.04 (final release) [and Maverick also]. The
behavior was also observed in Debian and Fedora 15, as noted in the original
bug report (so it seems not to be Ubuntu-specific).

The version of xserver-xorg-video-ati: 1:6.14.0-0ubuntu4 (default in Natty).
Same problems with the xorg-edgers PPA in Natty Beta2. (If you want that I test
the lastest packages from git, please give me instructions).

The software affected: Compiz (doesn't start because requires direct
rendering); then, Unity (just the wallpaper or black screen and the mouse
pointer).. Glxgears, Stellarium, Blender, Adobe Flash Player in fullscreen mode
and Visual module of Python work if software rendering is forced (but of course
they run very very slow).

The history of the bug: all worked as expected (out of the box) in Ubuntu 10.04
LTS, but in 10.10 the problems started. The workaround was to disable KMS, but
now, in Natty, since the new Gallium driver doesn't have a non-KMS mode, that
workaround is not available.

The situations when it works: **sometimes** (??!! please help to determine
when!!) the 3d acceleration does work as expected, but at the moment there is
no way for us to know when it will work or not [help please!]. And, sometimes
the 3d acceleration works but is so slow that it seems to be actually software
rendering.

The workarounds: none known. Just enabling temporarily software rendering (as
described below), but that really isn't a workaround. In Ubuntu 10.10 the
workaround was to turn of KMS. As noted, that doesn't work any more.

There are Xorg.0.log (comment #15 of the original bug report) and screenshots
(comment #13 in the original bug report)

Also, the bug was incorrectly marked as a duplicate of the bug #556782 in
Launchpad, reported here as the bug 35457 .

Thank you in advance.

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