pam_stack is deprecated as it won't be accepted upstream and there is a replacement for its functionality. Also there is a new common pam configuration file for all config utilities (system-config-*). Please use the attached pam configuration files for gdm.
Created attachment 119472 [details] New gdmsetup-pam file
Created attachment 119473 [details] New gdm pam config
Created attachment 119474 [details] New gdm-autologin pam config
Also the gdm and gdm-autologin configs should contain this line before the 'session optional pam_console.so' session required pam_loginuid.so
*** Bug 174681 has been marked as a duplicate of this bug. ***