Thanks Ian. EACCES is something we could synthesise and test against. I can see some of the native backend code retries on EBUSY, but never EACCES. Though it's not something you would want to retry at full frame rate.
Can anyone else test the theory? The steps are: 1. Add MUTTER_DEBUG=kms to /etc/environment 2. Reboot. 3. Log in to a Wayland session. 4. Repeat step 3 until the bug happens again. 5. Recover and run: journalctl -b0 > journal.txt journalctl -b-1 > prevjournal.txt 6. Attach the resulting text files here. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/2089709 Title: Ubuntu 24.04 sometimes logs in to a black screen if the mouse is moved during login Status in gnome-shell package in Ubuntu: Confirmed Status in mutter package in Ubuntu: Confirmed Bug description: I recently upgraded from Ubuntu 22.04 to Ubuntu 24.04. Now whenever I log in, sometimes I'll get a blank screen. It will only show the mouse cursor as an X. The problem seems to be intermittent. So far it's only happened to me using X11. My current workaround: 1. Open another terminal (e.g. Ctrl+Alt+F6) 2. Restart gdm3 (sudo systemctl restart gdm3) This seems to be affecting many people, although I couldn't find an existing bug: https://askubuntu.com/questions/1514757/issue-with- ubuntu-24-04-black-screen-with-cursor-on-login $ lsb_release -rd No LSB modules are available. Description: Ubuntu 24.04.1 LTS Release: 24.04 $ apt-cache policy gdm3 gdm3: Installed: 46.0-2ubuntu1 Candidate: 46.0-2ubuntu1 Version table: *** 46.0-2ubuntu1 500 500 http://ca.archive.ubuntu.com/ubuntu noble/main amd64 Packages 100 /var/lib/dpkg/status ProblemType: Bug DistroRelease: Ubuntu 24.04 Package: gdm3 46.0-2ubuntu1 ProcVersionSignature: Ubuntu 6.8.0-48.48-generic 6.8.12 Uname: Linux 6.8.0-48-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.28.1-0ubuntu3.1 Architecture: amd64 CasperMD5CheckResult: unknown CurrentDesktop: ubuntu:GNOME Date: Tue Nov 26 14:54:33 2024 InstallationDate: Installed on 2020-04-24 (1677 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423) SourcePackage: gdm3 UpgradeStatus: Upgraded to noble on 2024-11-15 (11 days ago) modified.conffile..etc.default.apport: [modified] modified.conffile..etc.init.d.apport: [modified] mtime.conffile..etc.default.apport: 2020-05-04T10:55:44.853443 mtime.conffile..etc.gdm3.custom.conf: 2022-09-08T08:54:17.642371 mtime.conffile..etc.init.d.apport: 2024-07-22T10:59:07 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/2089709/+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

