*** This bug is a duplicate of bug 480106 ***
https://bugs.launchpad.net/bugs/480106
The following is a workaround (solution?) for this problem:
$ sudo chmod u+s /sbin/ccreds_chkpwd
I believe this bug is a duplicate of Bug #480106.
** This bug has been marked a duplicate of bug 480106
I have the same issue although with gnome-screensaver. If I re-attach to
my session via the switch user option, I am able to re-authenticat. So
obviously it's something related to how the screensaver's are configured
to interact with pam/ccreds. I should also report that this config was
working
