** Attachment added: "dmesg" https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1871994/+attachment/5350951/+files/dmesg
** Description changed: The primary (built-in) display will cause black screen when external 4K monitor is configured to flipped Steps to reproduce: 1. plug 4K monitor via HDMI 2. open gnome-control-center 3. select Displays -> Orientation -> Landscape (flipped) 4. apply - 5. black screen on built-in displays + 5. black screen on built-in displays Machine: - Dell XPS 13 9380 + Dell XPS 13 9380 (Intel Coffee Lake) ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: gnome-control-center 1:3.36.1-1ubuntu4 ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27 Uname: Linux 5.4.0-21-generic x86_64 ApportVersion: 2.20.11-0ubuntu24 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Thu Apr 9 23:40:24 2020 ExecutablePath: /usr/bin/gnome-control-center InstallationDate: Installed on 2020-04-07 (2 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200405) ProcEnviron: PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: gnome-control-center UpgradeStatus: No upgrade log present (probably fresh install) ** Summary changed: - The primary display is black screen when external 4K monitor is configured to flipped + The primary (built-in) display will cause black screen when external 4K monitor is configured to flipped ** Description changed: The primary (built-in) display will cause black screen when external 4K monitor is configured to flipped Steps to reproduce: 1. plug 4K monitor via HDMI 2. open gnome-control-center 3. select Displays -> Orientation -> Landscape (flipped) 4. apply 5. black screen on built-in displays + + The primary display can be recovered if HDMI cable is re-plugged again. Machine: Dell XPS 13 9380 (Intel Coffee Lake) ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: gnome-control-center 1:3.36.1-1ubuntu4 ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27 Uname: Linux 5.4.0-21-generic x86_64 ApportVersion: 2.20.11-0ubuntu24 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Thu Apr 9 23:40:24 2020 ExecutablePath: /usr/bin/gnome-control-center InstallationDate: Installed on 2020-04-07 (2 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200405) ProcEnviron: PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: gnome-control-center UpgradeStatus: No upgrade log present (probably fresh install) -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/1871994 Title: The primary (built-in) display will cause black screen when external 4K monitor is configured to flipped To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1871994/+subscriptions -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
