This affects me as well. My setup is an Nvidia gtx260, with 2 monitors. Not sure it really matters, but nobody seems to have mentioned that also transparent stuff gets broken, such as notifications, or unity "help text" when hovering over an icon in the launchbar...
Here is a screenshot of my issue: http://postimage.org/image/u8k7ilnsl/ And my xorg.conf: http://paste.ubuntu.com/984926/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/973419 Title: ubuntu 12.04 Beta 2: Nvidia Bianary Drivers with Xinerama corupts non GTK3 themes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libxinerama/+bug/973419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs