The same here. After upgrade I can not run Unity any longer. Even the fallback via llvm does only partly work since the menues (dash?) are not loaded. So basically it's desktop background without any window manager. I had to fall back to XFCE in order to get this working.
Kernel: Version: 3.5.0.17.19 Xorg: Version: 1:7.7+1ubuntu4 compiz: Version: 1:0.9.8.4-0ubuntu2 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1136793 Title: GLX extension not found after update To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1136793/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp