tags 345621 fixed stop This bug was due to the empty /etc/X11/xdm/xdm-config as reported in bug #345406 against package xdm, and fixed with last night's release of xorg-x11/6.9.0.dfsg.1-2, as acknowledged in an email from Mika Bostrom, the bug reporter: I can confirm this. Upgrading to 6.9.0-dfsg.1-2 fixes the issue cleanly. This bug may be closed. Kirk