Description of problem:
If you set disable_user_list for the simple-greeter (via, say, gconftool-2), then it becomes impossible to login. There is a thin vertical bar with no way to enter a username and password. This is in RHEL 6 Beta 2 (it worked properly in Beta 1).
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. su -
2. su -s /bin/sh gdm
3. gconftool-2 --direct --config-source=xml:readwrite:$HOME/.gconf -t bool -s /apps/gdm/simple-greeter/disable_user_list true
A thin vertical bar with no capability of logging in.
A box to enter a username.
*** This bug has been marked as a duplicate of bug 606808 ***