Thanks for the bug report. The attached log seems to explain the problem perfectly:
[10185.511277] rpi4b gnome-shell[2551]: Failed to post KMS update: drmModeAddFB does not support format 'AR24' (0x34325241) [10185.547140] rpi4b gnome-shell[2551]: Page flip discarded: drmModeAddFB does not support format 'AR24' (0x34325241) [10185.547707] rpi4b gnome-shell[2551]: Failed to post KMS update: drmModeAddFB does not support format 'AR24' (0x34325241) [10185.548506] rpi4b gnome-shell[2551]: Page flip discarded: drmModeAddFB does not support format 'AR24' (0x34325241) [10185.549013] rpi4b gnome-shell[2551]: Failed to post KMS update: drmModeAddFB does not support format 'AR24' (0x34325241) [10185.549464] rpi4b gnome-shell[2551]: Page flip discarded: drmModeAddFB does not support format 'AR24' (0x34325241) [10185.558077] rpi4b gnome-shell[2551]: Failed to post KMS update: drmModeAddFB does not support format 'AR24' (0x34325241) ** Tags added: raspi raspi-gfx ** Package changed: gnome-shell (Ubuntu) => mutter (Ubuntu) ** Bug watch added: gitlab.gnome.org/GNOME/mutter/-/issues #2379 https://gitlab.gnome.org/GNOME/mutter/-/issues/2379 ** Also affects: mutter via https://gitlab.gnome.org/GNOME/mutter/-/issues/2379 Importance: Unknown Status: Unknown ** Summary changed: - Constant short periodic loss of desktop + Constant short periodic loss of desktop [Failed to post KMS update: drmModeAddFB does not support format 'AR24' (0x34325241)] -- 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/1988859 Title: Constant short periodic loss of desktop [Failed to post KMS update: drmModeAddFB does not support format 'AR24' (0x34325241)] Status in Mutter: Unknown Status in mutter package in Ubuntu: New Bug description: Every so often, the desktop will go black and then re appear on Ubuntu 22.10 Wayland Session which should not be occurring (this does not happen on 22.04.) Note that only the cursor can be seen. Reporting this before release so that it can be patched for (at least) the RasPi. ProblemType: Bug DistroRelease: Ubuntu 22.10 Package: gnome-shell 43~beta-1ubuntu2 ProcVersionSignature: Ubuntu 5.19.0-1001.3-raspi 5.19.0-rc8 Uname: Linux 5.19.0-1001-raspi aarch64 NonfreeKernelModules: zfs zunicode zcommon znvpair zavl icp ApportVersion: 2.23.0-0ubuntu1 Architecture: arm64 CasperMD5CheckResult: unknown CurrentDesktop: ubuntu:GNOME Date: Tue Sep 6 16:10:37 2022 DisplayManager: gdm3 ImageMediaBuild: 20220826 RelatedPackageVersions: mutter-common 43~beta-3ubuntu2 SourcePackage: gnome-shell UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/mutter/+bug/1988859/+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
