This bug is NOT specific to Nvidia. I can confirm it on ATI using both the open source radeon and the closed source fglrx drivers.
The problem seems to be linked to compiz on muti-screen ** This bug is no longer a duplicate of bug 877438 Unity/compiz has sluggish performance on dual-head with nvidia driver -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/874619 Title: Unity compiz plugin makes display slow on multi-screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/874619/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
