It happens to me only after today's updates. Christopher Townsend marked my report as a duplicate. But everything was fine with yesterday's updates.
I have Nvidia GeForce 285GTX and I tried Nouveau driver, 310 driver, and 313-updates drivers. -- You received this bug notification because you are a member of compiz packagers, which is subscribed to compiz in Ubuntu. https://bugs.launchpad.net/bugs/1166765 Title: unity showing only blank desktop, no dash nor decorations To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1166765/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~compiz Post to : [email protected] Unsubscribe : https://launchpad.net/~compiz More help : https://help.launchpad.net/ListHelp

