This appears to be driver-related, since with blur off I can't reproduce this.
We had similar issues with FGLRX back in the Natty cycle too. ** Changed in: unity Status: New => Confirmed ** Also affects: fglrx-installer (Ubuntu) Importance: Undecided Status: New ** Summary changed: - Dash (no blur) renders black stripes while scrolling + Dash (no blur) renders black stripes while scrolling on FGLRX -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to fglrx-installer in Ubuntu. https://bugs.launchpad.net/bugs/966448 Title: Dash (no blur) renders black stripes while scrolling on FGLRX To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/966448/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp