and compared to Debian, our kernel doesn't seem to enable bochs-drm because of an old bug
https://bugs.launchpad.net/ubuntu/+source/kmod/+bug/1378648 which probably should be re-enabled by now ** Also affects: linux (Ubuntu) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Cosmic) Status: New => Confirmed ** Also affects: kmod (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1794280 Title: gdm doesn't start on a fresh installation of Cosmic Desktop Status in gdm3 package in Ubuntu: Won't Fix Status in kmod package in Ubuntu: New Status in linux package in Ubuntu: Confirmed Status in xorg package in Ubuntu: New Status in gdm3 source package in Cosmic: Won't Fix Status in kmod source package in Cosmic: New Status in linux source package in Cosmic: Confirmed Status in xorg source package in Cosmic: New Bug description: ubuntu cosmic desktop 20180925 After installation gdm fails to start and there is only a black screen with a blinking cursor on the top left of the screen. gdm3 can be started manually from a tty When this issue happens there is a plymouth crash reported in bug 1794292 ProblemType: Bug DistroRelease: Ubuntu 18.10 Package: gdm3 3.30.0-0ubuntu2 ProcVersionSignature: Ubuntu 4.18.0-7.8-generic 4.18.5 Uname: Linux 4.18.0-7-generic x86_64 ApportVersion: 2.20.10-0ubuntu11 Architecture: amd64 Date: Tue Sep 25 13:54:45 2018 InstallationDate: Installed on 2018-09-25 (0 days ago) InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Alpha amd64 (20180925) ProcEnviron: TERM=linux PATH=(custom, no user) LANG=fr_FR.UTF-8 SHELL=/bin/bash SourcePackage: gdm3 UpgradeStatus: No upgrade log present (probably fresh install) mtime.conffile..etc.gdm3.custom.conf: 2018-09-25T13:49:41.053012 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1794280/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp