Malcolm, Thanks for your report.
Is this happening on all web pages of just a few? Do you have flash installed? thanks David ** Changed in: firefox (Ubuntu) Assignee: (unassigned) => David Farning Status: Unconfirmed => Needs Info -- Very slow and jerky scroll renders browser useless https://launchpad.net/bugs/74116 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs