I updated my kernel to 3.4.6 , disabled all the workarounds and know it's working right (fixed).
I used the last quantal(12.10) kernel packages (Linux envy 3.4.6-030406-generic #201207191609 SMP Thu Jul 19 20:11:13 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux version) in my ubuntu 12.04 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/969860 Title: fglrx uses 100% CPU when screen turns off (spinning in glXWaitVideoSyncSGI or glXSwapBuffers) To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/969860/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs