Comment # 27 on bug 1209741 from Franck Bui

(In reply to Joe S from comment #24)
> Here is the new /etc/pam.d/sddm file
> 
> #%PAM-1.0
> auth     requisite      pam_nologin.so
> auth     include        common-auth
> 
> #
> # The next line is added so that the users login credentials can be cached
> # to allow accessing cifs multiuser mount points without having to call
> # cifscreds -u add joe FILESERVER after every GUI login
> #
> auth optional pam_cifscreds.so debug  

Does it still work as expected if you log in via tty2 for example ?