I have been looking for where this occurs and as i can see it seems to be related to update manager or the first thing you run that requires gksu input.
-- graphic glitch after entering password in gksu https://bugs.launchpad.net/bugs/240324 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs