Thank you for your bug. Do you still have that problem? What video
driver do you use, ati or fglrx? Do you have anything to
/var/log/syslog, /var/log/messages or /var/log/Xorg.0.log about the
problem?
** Changed in: gdm (Ubuntu)
Status: Unconfirmed => Needs Info
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Login screen bug
https://launchpad.net/bugs/61198