I believe it is related to this mesa issue, though the type of corruption is different,(https://gitlab.freedesktop.org/mesa/mesa/-/issues/1399) because running with AMD_DEBUG=nodma resolves the corruption.
** Bug watch added: gitlab.freedesktop.org/mesa/mesa/-/issues #1399 https://gitlab.freedesktop.org/mesa/mesa/-/issues/1399 ** Attachment added: "Screenshot from 2020-08-08 13-49-25-2.png" https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/1869759/+attachment/5400024/+files/Screenshot%20from%202020-08-08%2013-49-25-2.png -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-amdgpu in Ubuntu. https://bugs.launchpad.net/bugs/1869759 Title: [amdgpu] Opengl or vulkan or mesa bug that causes textures to glitch when mipmapping or trilinear/bilinear filtering is enabled Status in linux package in Ubuntu: Confirmed Status in mesa package in Ubuntu: New Status in xserver-xorg-video-amdgpu package in Ubuntu: New Bug description: Textures are glitched (almost like they are cut up and repeated) when mipmapping or trilinear/bilinear filtering is enabled. Workaround is to disable both. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: xorg 1:7.7+19ubuntu14 ProcVersionSignature: Ubuntu 5.4.0-18.22-generic 5.4.24 Uname: Linux 5.4.0-18-generic x86_64 .tmp.unity_support_test.0: ApportVersion: 2.20.11-0ubuntu21 Architecture: amd64 BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log' CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: None CurrentDesktop: ubuntu:GNOME Date: Mon Mar 30 12:03:39 2020 DistUpgraded: Fresh install DistroCodename: focal DistroVariant: ubuntu ExtraDebuggingInterest: Yes GraphicsCard: Advanced Micro Devices, Inc. [AMD/ATI] Picasso [1002:15d8] (rev c4) (prog-if 00 [VGA controller]) Subsystem: Acer Incorporated [ALI] Picasso [1025:134f] InstallationDate: Installed on 2019-11-04 (147 days ago) InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017) MachineType: Acer Aspire A515-43 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-18-generic root=UUID=a44eb2b0-d036-44b7-9c90-d0a427ecd008 ro quiet splash resume=/dev/nvme0n1p5 resume_offset=15261696 vt.handoff=7 SourcePackage: xorg Symptom: display UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/26/2019 dmi.bios.vendor: Insyde Corp. dmi.bios.version: V1.06 dmi.board.asset.tag: Type2 - Board Asset Tag dmi.board.name: Grumpy_PK dmi.board.vendor: PK dmi.board.version: V1.06 dmi.chassis.type: 10 dmi.chassis.vendor: Acer dmi.chassis.version: V1.06 dmi.modalias: dmi:bvnInsydeCorp.:bvrV1.06:bd09/26/2019:svnAcer:pnAspireA515-43:pvrV1.06:rvnPK:rnGrumpy_PK:rvrV1.06:cvnAcer:ct10:cvrV1.06: dmi.product.family: Aspire 5 dmi.product.name: Aspire A515-43 dmi.product.sku: 0000000000000000 dmi.product.version: V1.06 dmi.sys.vendor: Acer version.compiz: compiz 1:0.9.14.1+20.04.20200211-0ubuntu1 version.libdrm2: libdrm2 2.4.100-4 version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.2-1ubuntu1 version.libgl1-mesa-glx: libgl1-mesa-glx 20.0.2-1ubuntu1 version.xserver-xorg-core: xserver-xorg-core 2:1.20.7-2ubuntu2 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+git20190815-1 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/linux/+bug/1869759/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp