I'll just add that this doesn't seem to have anything to do with the cursor flashing. What I do now to avoid the hang is roll the cursor around the screen until it stops jerking about. Then I enter my password. So far this has been successful.
Extremely annoying bug this. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to lightdm in Ubuntu. https://bugs.launchpad.net/bugs/1056075 Title: Attempting to type password before prompt is ready causes hang Status in “lightdm” package in Ubuntu: Confirmed Bug description: When logging in if I hit a key before the password prompt cursor is flashing the system hangs. I have to drop to a console to restart lightdm. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: lightdm 1.2.1-0ubuntu1.1 ProcVersionSignature: Ubuntu 3.2.0-31.50-generic 3.2.28 Uname: Linux 3.2.0-31-generic x86_64 ApportVersion: 2.0.1-0ubuntu13 Architecture: amd64 Date: Tue Sep 25 11:01:16 2012 EcryptfsInUse: Yes InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120328) ProcEnviron: LANGUAGE=en_GB:en TERM=xterm PATH=(custom, no user) LANG=en_GB.UTF-8 SHELL=/bin/bash SourcePackage: lightdm UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1056075/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp