This bug affects me too.
Ubuntu 20.04 with Gnome. The bug appears when using Firefox in my case.
Downgrading the kernel to 5.4 series solves the issue. I have to downgrade from
5.11, the last version of the Hardware Enablement Stack. The bug is present on
5.11 and 5.8 versions.
Intel(R) Core(TM) i5-3570 CPU @ 3.40GHz
glxinfo | grep "Device"
Device: Mesa DRI Intel(R) HD Graphics 2500 (IVB GT1) (0x152
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-signed-hwe-5.8 in Ubuntu.
https://bugs.launchpad.net/bugs/1934652
Title:
Graphics Tearing on 5.8 kernel (Intel(R) HD Graphics 2500, Ivy Bridge)
Status in linux-signed-hwe-5.8 package in Ubuntu:
Confirmed
Bug description:
Intel(R) Core(TM) i5-3470 with Intel(R) HD Graphics 2500
Problems experienced on fresh install of kubuntu or mate 20.04.02
(Automatically) Chosen kernel in these instances is the 5.8 kernel.
NO issues with the 5.4 kernel - or the 5.8.0-48 kernel
Problem: Operating system graphics (eg kubuntu calendar) and firefox
(using webrender) have issues (see attached for example)
This bug follows on from #1924624
Description: Ubuntu 20.04.2 LTS
Release: 20.04
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.8.0-59-generic 5.8.0-59.66~20.04.1
ProcVersionSignature: Ubuntu 5.8.0-59.66~20.04.1-generic 5.8.18
Uname: Linux 5.8.0-59-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.16
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: KDE
Date: Mon Jul 5 09:49:19 2021
InstallationDate: Installed on 2021-07-05 (0 days ago)
InstallationMedia: Kubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64
(20210209.1)
SourcePackage: linux-signed-hwe-5.8
UpgradeStatus: No upgrade log present (probably fresh install)
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