** Summary changed: - gdm turns off the primary (login) monitor when two monitors are connected + gdm shows blank login screen on primary monitor when two monitors are connected
** Description changed: I normally have a second monitor plugged into my laptop. Recently in Ubuntu 18.04 (this is a regression that has happened in the last week or - so), when I boot the laptop I get presented with a blank login screen. - (The external monitor just shows the background screen, so it looks as - if gdm3 has hung or crashed.) + so), when I boot the laptop I get presented with a blank login screen - + there is a mouse pointer, but the screen is just black instead of + displaying the user names and top status bar. (The external monitor just + shows the background screen, so it looks as if gdm3 has hung or + crashed.) - If I unplug the external monitor, gdm turns the primary screen back on + If I unplug the external monitor, gdm draws the login screen correctly and I can log in. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: gdm3 3.27.90-0ubuntu1 ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3 Uname: Linux 4.15.0-10-generic x86_64 ApportVersion: 2.20.8-0ubuntu10 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Thu Mar 8 10:59:11 2018 InstallationDate: Installed on 2017-08-16 (203 days ago) InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412) SourcePackage: gdm3 UpgradeStatus: Upgraded to bionic on 2017-11-17 (110 days ago) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1754218 Title: gdm shows blank login screen on primary monitor when two monitors are connected To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1754218/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
