MarsSeed [1] filed a deletion request for xdm [2]: /usr/bin/xdm already exists in Arch/extra/xorg-xdm. [a] Please resubmit this package with a more differentiating pkgname, and with a corresponding, unique executable name. [a]: https://archlinux.org/packages/?q=xorg-xdm [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/xdm/