Same flickering effect for me on groovy. I don't know which packages got updates back then. As for now, I run 5.8.0-50 and don't have older kernels. The videocard is this:
00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller (rev 06) (prog-if 00 [VGA controller]) DeviceName: Onboard IGD Subsystem: Dell 4th Gen Core Processor Integrated Graphics Controller Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0 Interrupt: pin A routed to IRQ 39 Region 0: Memory at f5800000 (64-bit, non-prefetchable) [size=4M] Region 2: Memory at d0000000 (64-bit, prefetchable) [size=256M] Region 4: I/O ports at f000 [size=64] Expansion ROM at 000c0000 [virtual] [disabled] [size=128K] Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit- Address: fee00018 Data: 0000 Capabilities: [d0] Power Management version 2 Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-) Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- Capabilities: [a4] PCI Advanced Features AFCap: TP+ FLR+ AFCtrl: FLR- AFStatus: TP- Kernel driver in use: i915 Kernel modules: i915 I run xorg+gdm3. I don't know why wayland fails to start. -- 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/1926110 Title: Apps interface flickering Status in xorg package in Ubuntu: Incomplete Bug description: It has been 1-ish months since this problem appeared. The app/system interface randomly starts flickering. This problem doesn't occur on the entire system, sometime it occurs in some apps, other times in the system, and other times all of these. It occurs since installation. Some images and videos (Unfortunetly you'll need to download the videos) https://media.discordapp.net/attachments/748527796405403749/836001618255806484/unknown.png https://media.discordapp.net/attachments/748527796405403749/836004993991311400/unknown.png https://media.discordapp.net/attachments/586951783944028179/832728657075372102/unknown.png https://cdn.discordapp.com/attachments/804416273701797909/832780706790375444/20210416_215049_576x324.mp4 https://cdn.discordapp.com/attachments/748527796405403749/836048880592355368/simplescreenrecorder-2021-04-25_22.05.52.mp4 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] Permissão negada: '/var/log/boot.log' CasperMD5CheckResult: skip CompositorRunning: None CurrentDesktop: ubuntu:GNOME Date: Sun Apr 25 22:23:48 2021 DistUpgraded: Fresh install DistroCodename: focal DistroVariant: ubuntu DkmsStatus: v4l2loopback, 0.12.3, 5.8.0-50-generic, x86_64: installed ExtraDebuggingInterest: Yes, including running git bisection searches GraphicsCard: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller]) Subsystem: Holco Enterprise Co, Ltd/Shuttle Computer 3rd Gen Core processor Graphics Controller [1297:2027] InstallationDate: Installed on 2021-04-17 (9 days ago) InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1) MachineType: Positivo Informatica SA DC8CR01TV ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.8.0-50-generic root=UUID=e2946f04-ffa3-4934-b119-e6dcc363a2da ro quiet splash vt.handoff=7 SourcePackage: xorg UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 03/31/2014 dmi.bios.release: 4.6 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 2.01.U dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: DC8CR01TV dmi.board.vendor: Positivo Informatica SA dmi.board.version: POSITIVO dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 13 dmi.chassis.vendor: Positivo Informatica SA dmi.chassis.version: POSITIVO dmi.ec.firmware.release: 1.22 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr2.01.U:bd03/31/2014:br4.6:efr1.22:svnPositivoInformaticaSA:pnDC8CR01TV:pvr2.01.U_POS_TV:rvnPositivoInformaticaSA:rnDC8CR01TV:rvrPOSITIVO:cvnPositivoInformaticaSA:ct13:cvrPOSITIVO: dmi.product.family: To be filled by O.E.M. dmi.product.name: DC8CR01TV dmi.product.sku: 1700644 dmi.product.version: 2.01.U_POS_TV dmi.sys.vendor: Positivo Informatica SA 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 2:1.20.9-2ubuntu1.2~20.04.2 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/1926110/+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