tried an older kernel. No change. 5.4.0-42-generic
** Attachment added: "screen_corruption.png" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1911369/+attachment/5452713/+files/screen_corruption.png -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/1911369 Title: [radeon] Horizontal lines of screen corruption after last update. Status in linux package in Ubuntu: Confirmed Status in mesa package in Ubuntu: New Bug description: A clean install is fine if I don't take updates. If I do take the updates and reboot then I get heavy video corruption. This just started today. This is a dual boot system. The windows system has no issues. Appears to be software and not a hardware issue. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: xorg 1:7.7+19ubuntu14 ProcVersionSignature: Ubuntu 5.8.0-36.40~20.04.1-generic 5.8.18 Uname: Linux 5.8.0-36-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.14 Architecture: amd64 BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log' CasperMD5CheckResult: skip CompositorRunning: None CurrentDesktop: ubuntu:GNOME Date: Tue Jan 12 21:18:27 2021 DistUpgraded: Fresh install DistroCodename: focal DistroVariant: ubuntu ExtraDebuggingInterest: Yes GraphicsCard: Advanced Micro Devices, Inc. [AMD/ATI] Tahiti PRO [Radeon HD 7950/8950 OEM / R9 280] [1002:679a] (prog-if 00 [VGA controller]) Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] Tahiti PRO2 [Radeon HD 7950 Boost] [1002:3000] InstallationDate: Installed on 2021-01-13 (0 days ago) InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731) MachineType: Hewlett-Packard HP Z420 Workstation ProcEnviron: LANGUAGE=en_CA:en PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_CA.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.8.0-36-generic root=UUID=e1d90a30-a65a-46c5-bae3-c39bbf1a4e0e ro quiet splash vt.handoff=7 SourcePackage: xorg Symptom: display UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 10/29/2019 dmi.bios.release: 3.96 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: J61 v03.96 dmi.board.name: 1589 dmi.board.vendor: Hewlett-Packard dmi.board.version: 0.00 dmi.chassis.type: 6 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnHewlett-Packard:bvrJ61v03.96:bd10/29/2019:br3.96:svnHewlett-Packard:pnHPZ420Workstation:pvr:rvnHewlett-Packard:rn1589:rvr0.00:cvnHewlett-Packard:ct6:cvr: dmi.product.family: 103C_53335X G=D dmi.product.name: HP Z420 Workstation dmi.product.sku: D8N02UC#ABA dmi.sys.vendor: Hewlett-Packard version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.102-1ubuntu1~20.04.1 version.libgl1-mesa-dri: libgl1-mesa-dri 20.2.6-0ubuntu0.20.04.1 version.libgl1-mesa-glx: libgl1-mesa-glx N/A version.xserver-xorg-core: xserver-xorg-core 2:1.20.9-2ubuntu1.1~20.04.1 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/linux/+bug/1911369/+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
