Christoph,
If the passphrase prompt is not responsive to your keypresses, you're seeing a separate bug - bug #434232, which will be fully fixed once plymouth is installed by default in lucid.
ID_FS_USAGE has nothing to do with disk labels.
Christoph,
If the passphrase prompt is not responsive to your keypresses, you're seeing a separate bug - bug #434232, which will be fully fixed once plymouth is installed by default in lucid.
ID_FS_USAGE has nothing to do with disk labels.