Public bug reported: Frame drops when running glxgears in fullscreen mode. The issue only appears in Wayland. Add CLUTTER_PAINT=disable-dynamic-max-render-time fixes it
[Reproduce steps] 1. run glxgears in fullscreen mode 2. observe the fps [glxgears output] Running synchronized to the vertical refresh. The framerate should be approximately the same as the monitor refresh rate. 295 frames in 5.0 seconds = 58.949 FPS 183 frames in 5.0 seconds = 36.584 FPS 212 frames in 5.0 seconds = 42.231 FPS 176 frames in 5.0 seconds = 35.022 FPS 166 frames in 5.0 seconds = 33.048 FPS 159 frames in 5.0 seconds = 31.775 FPS 222 frames in 5.0 seconds = 44.363 FPS 197 frames in 5.0 seconds = 39.379 FPS 164 frames in 5.0 seconds = 32.784 FPS [Related information] Ubuntu 24.04 Mutter: 46.0-1ubuntu9 GPU model: Intel Corporation Meteor Lake-P [Intel Arc Graphics] Graphics driver in use: i915 ProblemType: Bug DistroRelease: Ubuntu 24.04 Package: gnome-shell 46.0-0ubuntu5.1 ProcVersionSignature: Ubuntu 6.8.0-35.35-generic 6.8.4 Uname: Linux 6.8.0-35-generic x86_64 ApportVersion: 2.28.1-0ubuntu3 Architecture: amd64 CasperMD5CheckMismatches: ./.disk/casper-uuid-generic ./casper/initrd ./casper/minimal.standard.live.hotfix.squashfs ./casper/minimal.standard.hotfix.squashfs ./casper/minimal.hotfix.squashfs ./boot/grub/grub.cfg CasperMD5CheckResult: fail Date: Thu Jun 6 14:56:43 2024 DisplayManager: gdm3 DistributionChannelDescriptor: # This is the distribution channel descriptor for Ubuntu 24.04 for Dell # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor canonical-oem-somerville-noble-hwe-20240528-99 InstallationDate: Installed on 2024-06-06 (0 days ago) InstallationMedia: Ubuntu OEM 24.04 LTS "Noble Numbat" - Release amd64 (20240528) RelatedPackageVersions: mutter-common 46.0-1ubuntu9 SourcePackage: gnome-shell UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: oem-priority Importance: Critical Assignee: Cyrus Lien (cyruslien) Status: Confirmed ** Affects: gnome-shell (Ubuntu) Importance: Undecided Status: New ** Affects: mutter (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug noble -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2068567 Title: Irregular frame rate in fullscreen glxgears To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/2068567/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
