Bug#531636: gnome-session: Can't start session -- can't acquire name on session bus

[John A Martin]

> .Xresources is useless for GNOME applications. It is still handled by
> the x11-common scripts, so that should be fine if you still need it.

Thank you for your help.  Providing the missing
/etc/X11/Xsession.options appears to have fixed the problem.  I have
no idea how that file came to be missing.  I will close this bug now.

        jam