Hello,I found the same problem on Ubuntu 12.10, but I believe the case is the very same.
It seems that the pam module ignores the contents of /etc/krb5.conf. However, adding ccache=KCM:%u to /etc/pam.d/common-auth seems to solve the issue.
Br, Boleslaw Tokarski -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]

