If you are using the 'intel' driver then this would be a duplicate of bug 1867668, but the attached logs show you're not using that driver (which is good in theory).
To verify which it is, please wait until the problem happens again and then run: journalctl -b0 > journal.txt and attach the file 'journal.txt' here. ** Changed in: xorg (Ubuntu) Status: New => Incomplete ** Package changed: xorg (Ubuntu) => xorg-server (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1876531 Title: Dynamic desktop background when TearFree is true Status in xorg-server package in Ubuntu: Incomplete Bug description: In my 20-intel.conf file in either /etc/X11/xorg.conf.d/ or /usr/share/X11/xorg.conf.d/ when I set Option TearFree to true, the pixel on my desktop go wild, see attachment (dynamic because those stripes vary from boot to boot). ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: xorg 1:7.7+19ubuntu14 ProcVersionSignature: Ubuntu 5.4.0-28.32-generic 5.4.30 Uname: Linux 5.4.0-28-generic x86_64 ApportVersion: 2.20.11-0ubuntu27 Architecture: amd64 BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log' CasperMD5CheckResult: skip CompositorRunning: None CurrentDesktop: ubuntu:GNOME Date: Sun May 3 00:34:27 2020 DistUpgraded: Fresh install DistroCodename: focal DistroVariant: ubuntu ExtraDebuggingInterest: Yes, including running git bisection searches GraphicsCard: Intel Corporation UHD Graphics 620 (Whiskey Lake) [8086:3ea0] (prog-if 00 [VGA controller]) Subsystem: ASUSTeK Computer Inc. UHD Graphics 620 (Whiskey Lake) [1043:16a1] InstallationDate: Installed on 2020-04-30 (2 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423) Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 04f3:0903 Elan Microelectronics Corp. ELAN:Fingerprint Bus 001 Device 002: ID 13d3:56dc IMC Networks USB2.0 HD UVC WebCam Bus 001 Device 004: ID 8087:0aaa Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: ASUSTeK COMPUTER INC. ZenBook UX392FA_UX392FA ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-28-generic root=UUID=cbcf9a35-a5f8-429f-adad-ad8f21bff5df ro quiet splash vt.handoff=7 SourcePackage: xorg Symptom: display UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 07/17/2019 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: UX392FA.301 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: UX392FA dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: 1.0 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrUX392FA.301:bd07/17/2019:svnASUSTeKCOMPUTERINC.:pnZenBookUX392FA_UX392FA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX392FA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: dmi.product.family: ZenBook dmi.product.name: ZenBook UX392FA_UX392FA dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.101-2 version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-2ubuntu1 version.libgl1-mesa-glx: libgl1-mesa-glx N/A version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20200226-1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1876531/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp