Public bug reported: The recent 5.8.0-49 update and also the 5.8.0-50 show a 3d graphics glitch. The problem was not present in 5.8.0-48. It seems like faces that are displayed relatively small onscreen suffer from not being displayed properly/invisible. This happens in a variety of apps that use 3D graphics. I have tested in glxgears and the issue is also present. See the attached animated gif.
ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.8.0-50-generic 5.8.0-50.56~20.04.1 ProcVersionSignature: Ubuntu 5.8.0-50.56~20.04.1-generic 5.8.18 Uname: Linux 5.8.0-50-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.16 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Wed Apr 28 18:19:09 2021 InstallationDate: Installed on 2020-06-22 (310 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423) SourcePackage: linux-signed-hwe-5.8 UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: linux-signed-hwe-5.8 (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug focal ** Attachment added: "GLXGears showing issue" https://bugs.launchpad.net/bugs/1926487/+attachment/5493129/+files/glxgearsArtifact.gif -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1926487 Title: 3D graphics artifact / glitch To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.8/+bug/1926487/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs