Doesn't happens anymore on my Edgy. Because it's too foggy to find from where it came, consider it as rejected.
** Changed in: Ubuntu Status: Unconfirmed => Rejected -- System lag and freeze on both Kubuntu and Ubuntu https://launchpad.net/bugs/34822 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs