This sounds similar to the problems that I am having. Two months ago, I upgraded my Acer laptop to Lucid 10.04, and things haven't been right since. The screen was badly messed up after the upgrade. I had to find a workaround to even see anything on the screen. Alas, at this moment I cannot find the kernel setting modeswitch that I did.
The current problem is: The title bars at the top of windows disappear and workspace switching does not work after I try to change the number of virtual workspaces. Trying to change the number of workspaces again produces a flashing window that doesn't set things correctly. It blows the user interface so bad that I have to log in with a different identity, and destroy my original account, and then recreate it to get something usable. I just reinstalled xwindows, and that didn't fix it either. But it did improve things. Now I can enable "normal" effects in "Appearances", where before I could not. Yesterday, I was getting the error message of "No rendering method in use -- AIGLX, Xgl, or Nvidia. Now I have one, and compiz seems sort of happy. ter...@carmen:~$ compiz-check Gathering information about your system... Distribution: Ubuntu 10.04 Desktop environment: GNOME Graphics chip: Intel Corporation 82852/855GM Integrated Graphics Device (rev 02) Driver in use: intel Rendering method: AIGLX Checking if it's possible to run Compiz on your system... Checking for texture_from_pixmap... [ OK ] Checking for non power of two support... [ OK ] Checking for composite extension... [ OK ] Checking for FBConfig... [ OK ] Checking for hardware/setup problems... [ OK ] glxinfo happily reports a whole lot of stuff that says that glx is running, apparently properly. But still, I cannot change the number of workspaces without destroying things. I used this script today (run as root) to get rid of old stuff that should have been wiped during the upgrade: #!/bin/bash apt-get purge nvidia* apt-get install --reinstall xserver-xorg-video-intel libgl1-mesa-glx libgl1-mesa-dri xserver-xorg-core dpkg-reconfigure xserver-xorg update-alternatives --remove gl_conf /usr/lib/nvidia-current/ld.so.conf Now, I have "system/appearance/visual effects" at "normal", and that is working, so that is progress. But still, I don't dare touch the number of workspaces. In fact, If I even try to set worspace/preferences, I get crashes: "Window List" has quit unexpectedly. "Workspace Switcher" has quit unexpectedly. "Show Desktop" has quit unexpectly. I click on "reload" and they come back, but things still don't work right. And when I try to move a window to another workspace by right-clicking on the X in the upper left-hand corner, nothing happens. I have an Acer Travelmate 2300 with 512MB ram. It only allocated 32MB to video ram. I have read somewhere that that can cause problems. The video is Intel. lspci says: 00:02.0 VGA compatible controller: Intel Corporation 82852/855GM Integrated Graphics Device (rev 02) 00:02.1 Display controller: Intel Corporation 82852/855GM Integrated Graphics Device (rev 02) -- Window titles missing + appearance prefs crashes https://bugs.launchpad.net/bugs/559056 You received this bug notification because you are a member of compiz packagers, which is subscribed to compiz in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~compiz Post to : [email protected] Unsubscribe : https://launchpad.net/~compiz More help : https://help.launchpad.net/ListHelp
