I set up the PPA and installed the 7.9.0~git20100418+gallium+r300.0490116f-0ubuntu0tormod version on the Ubuntu 10.04 beta2 liveCD. I logged out and again in. Unfortunately, it does not solve the problem. I purged the PPA and reinstalled it a second time, but without any effects. this is what I did: ----------------------- ubuntu@ubuntu:~$ sudo apt-get install libgl1-mesa-dri/lucid libgl1-mesa-dri-dbg/lucid libgl1-mesa-glx/lucid libgl1-mesa-glx-dbg/lucid libglu1-mesa/lucid mesa-utils/lucid Reading package lists... Done Building dependency tree Reading state information... Done Selected version 7.9.0~git20100418+gallium+r300.0490116f-0ubuntu0tormod (Radeon gallium - mesa testing:10.04/lucid) for libgl1-mesa-dri Selected version 7.9.0~git20100418+gallium+r300.0490116f-0ubuntu0tormod (Radeon gallium - mesa testing:10.04/lucid) for libgl1-mesa-dri-dbg Selected version 7.9.0~git20100418+gallium+r300.0490116f-0ubuntu0tormod (Radeon gallium - mesa testing:10.04/lucid) for libgl1-mesa-glx Selected version 7.9.0~git20100418+gallium+r300.0490116f-0ubuntu0tormod (Radeon gallium - mesa testing:10.04/lucid) for libgl1-mesa-glx-dbg Selected version 7.9.0~git20100418+gallium+r300.0490116f-0ubuntu0tormod (Radeon gallium - mesa testing:10.04/lucid) for libglu1-mesa Selected version 7.9.0~git20100418+gallium+r300.0490116f-0ubuntu0tormod (Radeon gallium - mesa testing:10.04/lucid) for mesa-utils The following packages were automatically installed and are no longer required: libosmesa6 Use 'apt-get autoremove' to remove them. Suggested packages: libglide3 The following NEW packages will be installed: libgl1-mesa-dri libgl1-mesa-dri-dbg libgl1-mesa-glx libgl1-mesa-glx-dbg libglu1-mesa mesa-utils 0 upgraded, 6 newly installed, 0 to remove and 412 not upgraded. Need to get 0B/5,297kB of archives. After this operation, 43.1MB of additional disk space will be used. Selecting previously deselected package libgl1-mesa-dri. (Reading database ... 127710 files and directories currently installed.) Unpacking libgl1-mesa-dri (from .../libgl1-mesa-dri_7.9.0~git20100418+gallium+r300.0490116f-0ubuntu0tormod_i386.deb) ... Selecting previously deselected package libgl1-mesa-glx. Unpacking libgl1-mesa-glx (from .../libgl1-mesa-glx_7.9.0~git20100418+gallium+r300.0490116f-0ubuntu0tormod_i386.deb) ... Selecting previously deselected package libglu1-mesa. Unpacking libglu1-mesa (from .../libglu1-mesa_7.9.0~git20100418+gallium+r300.0490116f-0ubuntu0tormod_i386.deb) ... Selecting previously deselected package mesa-utils. Unpacking mesa-utils (from .../mesa-utils_7.9.0~git20100418+gallium+r300.0490116f-0ubuntu0tormod_i386.deb) ... Selecting previously deselected package libgl1-mesa-dri-dbg. Unpacking libgl1-mesa-dri-dbg (from .../libgl1-mesa-dri-dbg_7.9.0~git20100418+gallium+r300.0490116f-0ubuntu0tormod_i386.deb) ... Selecting previously deselected package libgl1-mesa-glx-dbg. Unpacking libgl1-mesa-glx-dbg (from .../libgl1-mesa-glx-dbg_7.9.0~git20100418+gallium+r300.0490116f-0ubuntu0tormod_i386.deb) ... Processing triggers for man-db ... Setting up libgl1-mesa-dri (7.9.0~git20100418+gallium+r300.0490116f-0ubuntu0tormod) ... Setting up libgl1-mesa-glx (7.9.0~git20100418+gallium+r300.0490116f-0ubuntu0tormod) ... Setting up libglu1-mesa (7.9.0~git20100418+gallium+r300.0490116f-0ubuntu0tormod) ... Setting up mesa-utils (7.9.0~git20100418+gallium+r300.0490116f-0ubuntu0tormod) ... Setting up libgl1-mesa-dri-dbg (7.9.0~git20100418+gallium+r300.0490116f-0ubuntu0tormod) ... Setting up libgl1-mesa-glx-dbg (7.9.0~git20100418+gallium+r300.0490116f-0ubuntu0tormod) ... Processing triggers for libc-bin ... ldconfig deferred processing now taking place ubuntu@ubuntu:~$ --------------------------------------------------------------------