[Bug 89906] Re: kdesktop_lock refuses to unlock accounts with blank password

[Mark Jenkins]

I stopped using nullok in /etc/pam.d/common-auth and added a 
auth sufficient pam_listfile.so item=user
to /etc/pam.d/gdm, /etc/pam.d/kscreensaver, /etc/pam.d/xscreensaver, and /etc/pam.d/gnome-screensaver
(Actually I put an
@include auth-null-password-user
into these files and put the line in auth-null-password-user)

kscreensaver and gnome-screensaver unlock without problem now.
xscreensaver still requires an attempt at typing a password to unlock.

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kdesktop_lock refuses to unlock accounts with blank password
https://launchpad.net/bugs/89906