*** This bug is a duplicate of bug 1924624 *** https://bugs.launchpad.net/bugs/1924624
Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 1924624, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Feel free to continue to report any other bugs you may find. ** This bug has been marked a duplicate of bug 1924624 After upgrade to 5.8.0-49/5.8.0-50 with Intel graphics (Gen7: Haswell/Ivy Bridge) a lot of glitches render screen unusable -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1926888 Title: Screen Flickering Status in xorg package in Ubuntu: New Bug description: Sometimes the screen starts to flicker and it gets worst that I even can't see my screen. This happens even though I don't install any new app or do any new change in the settings. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: xorg 1:7.7+19ubuntu14 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 BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log' CasperMD5CheckResult: skip CompositorRunning: None CurrentDesktop: ubuntu:GNOME Date: Sun May 2 16:46:51 2021 DistUpgraded: Fresh install DistroCodename: focal DistroVariant: ubuntu ExtraDebuggingInterest: Yes, if not too technical GraphicsCard: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller [8086:0416] (rev 06) (prog-if 00 [VGA controller]) Subsystem: Lenovo 4th Gen Core Processor Integrated Graphics Controller [17aa:380b] Subsystem: Lenovo Opal XT [Radeon R7 M265/M365X/M465] [17aa:380b] InstallationDate: Installed on 2021-04-23 (9 days ago) InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1) MachineType: LENOVO 20238 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.8.0-50-generic root=UUID=29e3c9bd-4053-4ee1-9f11-d358f3b5db51 ro quiet splash vt.handoff=7 SourcePackage: xorg UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 12/23/2013 dmi.bios.release: 1.70 dmi.bios.vendor: LENOVO dmi.bios.version: 79CN46WW(V3.05) dmi.board.asset.tag: No Asset Tag dmi.board.name: INVALID dmi.board.vendor: LENOVO dmi.board.version: 00000000Not Defined dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Lenovo G510 dmi.ec.firmware.release: 3.70 dmi.modalias: dmi:bvnLENOVO:bvr79CN46WW(V3.05):bd12/23/2013:br1.70:efr3.70:svnLENOVO:pn20238:pvrLenovoG510:rvnLENOVO:rnINVALID:rvr00000000NotDefined:cvnLENOVO:ct10:cvrLenovoG510: dmi.product.family: IDEAPAD dmi.product.name: 20238 dmi.product.sku: LENOVO_MT_20238 dmi.product.version: Lenovo G510 dmi.sys.vendor: LENOVO 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 20.2.6-0ubuntu0.20.04.1 version.xserver-xorg-core: xserver-xorg-core 2:1.20.9-2ubuntu1.2~20.04.2 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/+bug/1926888/+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