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
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https://bugs.launchpad.net/bugs/1926487
Title:
3D graphics artifact / glitch
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