I've disabled screensavers and I can replicate the issue only closing the lid of my laptop (configured to "do nothing" in power settings)
*My stacktrace is posted above ACPI problem has sense. ¿maybe passing acpi=off at boot options does the trick? I can't do it myself at this moment. I'm out of my house for a few days. my2cents. -- 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