apport information ** Tags added: apport-collected focal
** Description changed: - When connecting a 4k monitor to the DP port of a Lenovo TBT3 Gen2 dock - and dock is connected to a P17 also with a 4k display if you change the - scale to 100% and attempt to run any window based application like a - browser window on the monitor you get periodic pop up areas of garbage. - Happens more if the window is closer to the left side than if in the - middle of the screen. + When connecting a 4k monitor to the DP port of a Lenovo TBT3 Gen2 dock and dock is connected to a P17 also with a 4k display if you change the scale to 100% and attempt to run any window based application like a browser window on the monitor you get periodic pop up areas of garbage. Happens more if the window is closer to the left side than if in the middle of the screen. + --- + ProblemType: Bug + ApportVersion: 2.20.11-0ubuntu27.14 + Architecture: amd64 + AudioDevicesInUse: + USER PID ACCESS COMMAND + /dev/snd/controlC2: z 2161 F.... pulseaudio + /dev/snd/controlC0: z 2161 F.... pulseaudio + /dev/snd/controlC1: z 2161 F.... pulseaudio + CasperMD5CheckResult: skip + CurrentDesktop: ubuntu:GNOME + DistributionChannelDescriptor: + # This is the distribution channel descriptor for the OEM CDs + # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor + canonical-oem-sutton-focal-amd64-20201012-119+sutton-simon-focal-amd64+iso + DistroRelease: Ubuntu 20.04 + InstallationDate: Installed on 2021-01-04 (65 days ago) + InstallationMedia: Ubuntu 20.04 "Focal" - Build amd64 LIVE Binary 20201012-17:03 + MachineType: LENOVO 20SNZ5GCUS + NonfreeKernelModules: nvidia_modeset nvidia + Package: linux (not installed) + ProcEnviron: + TERM=xterm-256color + PATH=(custom, no user) + XDG_RUNTIME_DIR=<set> + LANG=en_US.UTF-8 + SHELL=/bin/bash + ProcFB: 0 i915drmfb + ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.6.0-1033-oem root=UUID=79aeb320-7842-4144-b3d7-30a10d0f8d0e ro quiet splash + ProcVersionSignature: Ubuntu 5.6.0-1033.35-oem 5.6.19 + RelatedPackageVersions: + linux-restricted-modules-5.6.0-1033-oem N/A + linux-backports-modules-5.6.0-1033-oem N/A + linux-firmware 1.187.6 + Tags: focal + Uname: Linux 5.6.0-1033-oem x86_64 + UpgradeStatus: No upgrade log present (probably fresh install) + UserGroups: adm cdrom dip docker lpadmin plugdev sambashare sudo + _MarkForUpload: True + dmi.bios.date: 10/26/2020 + dmi.bios.vendor: LENOVO + dmi.bios.version: N30ET32W (1.15 ) + dmi.board.asset.tag: Not Available + dmi.board.name: 20SNZ5GCUS + dmi.board.vendor: LENOVO + dmi.board.version: SDK0J40697 WIN + dmi.chassis.asset.tag: No Asset Information + dmi.chassis.type: 10 + dmi.chassis.vendor: LENOVO + dmi.chassis.version: None + dmi.modalias: dmi:bvnLENOVO:bvrN30ET32W(1.15):bd10/26/2020:svnLENOVO:pn20SNZ5GCUS:pvrThinkPadP17Gen1:rvnLENOVO:rn20SNZ5GCUS:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone: + dmi.product.family: ThinkPad P17 Gen 1 + dmi.product.name: 20SNZ5GCUS + dmi.product.sku: LENOVO_MT_20SN_BU_Think_FM_ThinkPad P17 Gen 1 + dmi.product.version: ThinkPad P17 Gen 1 + dmi.sys.vendor: LENOVO ** Attachment added: "AlsaInfo.txt" https://bugs.launchpad.net/bugs/1918466/+attachment/5475483/+files/AlsaInfo.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1918466 Title: Garbage window on external 4k display To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1918466/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
