I did just find and create bug 1859112. This might be the same as that one but we can't be sure without line number info.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1856846 Title: Gnome Xorg sessions fail to start with LDAP users (but Wayland or local users work). Xorg crashes with SIGSEGV in ?? from _init() from xf86RandR12Init() from xf86CrtcScreenInit() Status in xorg-server package in Ubuntu: New Bug description: When trying to login to Gnome with an remote user from an LDAP (LDAP is available and connectable when in GDM) using X11, GDM loops around three to five times before actually granting access to the desktop. This does not happen when a) Wayland is used instead of X11 or, b) the LDAP server is not reachable during login, using X11, or c) a local user is logged in instead, using X11 The LDAP connection is established using the Univention Domain Join Client: https://launchpad.net/~univention- dev/+archive/ubuntu/ppa?field.series_filter=bionic Do you require additional information? Release: Description: Ubuntu 18.04.3 LTS Release: 18.04 GDM3: gdm3: Installed: 3.28.3-0ubuntu18.04.4 Candidate: 3.28.3-0ubuntu18.04.4 Version table: *** 3.28.3-0ubuntu18.04.4 500 500 http://de.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages 500 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages 100 /var/lib/dpkg/status 3.28.0-0ubuntu1 500 500 http://de.archive.ubuntu.com/ubuntu bionic/main amd64 Packages To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1856846/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
