That happens using a radeon card and seems to be due to http://bugs.freedesktop.org/show_bug.cgi?id=4320
-- [gutsy] very hi cpu usage when scrolling pdf https://bugs.launchpad.net/bugs/122786 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is a bug assignee. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs