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-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/2066931 Title: Primary GPU displays nothing if the secondary GPU is using nouveau in a Wayland session Status in Mutter: Fix Released Status in mutter package in Ubuntu: Fix Released Status in mutter source package in Noble: Fix Released Status in mutter source package in Oracular: Fix Released Bug description: [ Impact ] Wayland sessions log in to a black screen, if a secondary GPU exists that's using the nouveau driver and has a secondary monitor plugged into it. [ Test Plan ] 0. Find a machine with hybrid graphics: Intel integrated, Nvidia discrete. 1. Plug a second monitor into one of the ports wired to the discrete GPU. 2. Stick to the default nouveau graphics driver for Nvidia. No proprietary drivers. 3. Reboot. Verify the login screen appears and you can successfully log into a Wayland session. [ Where problems could occur ] Although the bug affects dual GPU multi-monitor systems, what is failing here is the primary monitor on the primary GPU. So the potential risk is that the primary display starts failing on more types of machines in Wayland sessions. [ Original description ] after upgrade from mantic to noble, my laptop booted to the firmware splash screen with Ubuntu logo, plus a mouse cursor. The gdm login screen did not appear. Switching to disable wayland (as in the attached modified config file) fixed this so that the login screen appears. ProblemType: Bug DistroRelease: Ubuntu 24.04 Package: gdm3 46.0-2ubuntu1 ProcVersionSignature: Ubuntu 6.8.0-31.31-generic 6.8.1 Uname: Linux 6.8.0-31-generic x86_64 NonfreeKernelModules: zfs ApportVersion: 2.28.1-0ubuntu3 Architecture: amd64 CasperMD5CheckResult: unknown CurrentDesktop: ubuntu:GNOME Date: Thu May 23 08:06:45 2024 InstallationDate: Installed on 2019-12-23 (1613 days ago) InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017) SourcePackage: gdm3 UpgradeStatus: Upgraded to noble on 2024-05-22 (1 days ago) mtime.conffile..etc.gdm3.custom.conf: 2024-05-22T16:33:18.326823 To manage notifications about this bug go to: https://bugs.launchpad.net/mutter/+bug/2066931/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
