After upgrading to 14.10 i had the same problem again and my last fix #20 didn't work. i had to sudo apt-get remove --purge fglrx fglrx_* fglrx-amdcccle* fglrx-dev* sudo apt-get install --reinstall xserver-xorg-core libgl1-mesa-glx:i386 libgl1-mesa-dri:i386 libgl1-mesa-glx:amd64 libgl1-mesa-dri:amd64 sudo dpkg-reconfigure xserver-xorg sudo reboot
before: OpenGL vendor string: VMware, Inc. OpenGL renderer string: Gallium 0.4 on llvmpipe (LLVM 3.4, 256 bits) now it works again: OpenGL vendor string: X.Org OpenGL renderer string: Gallium 0.4 on AMD CAYMAN -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/1268146 Title: Very high cpu usage for compiz in 14.04 (mesa incorrectly using llvmpipe) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/1268146/+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