The attached patch stops the flickering when the progress bar is updated, by drawing only the visible part of the background.
** Attachment added: "progress bar patch" http://librarian.launchpad.net/5601008/usplash-theme-ubuntu.patch -- progress bar flickers https://launchpad.net/bugs/67409 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
