It was a driver issue and is resolved now. For some reason it was using the vesa driver instead of radeon. After correcting that the issue is resolved.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/772053 Title: When mouse hovers over icons in dash a series of short, vertical white bars is overlaid at the top of the icon. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs