Many thanks for the quick reply --- that worked fine :-)

On Wed, Jul 17, 2024 at 2:45 AM Daniel van Vugt <email address hidden>
wrote:

> Thanks for the bug report. Please add kernel parameter i915.enable_psr=0
> to avoid such problems. You can do so in /etc/default/grub by changing:
>
>   GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
>
> to
>
>   GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i915.enable_psr=0"
>
> Then run:
>
>   sudo update-grub
>
> and reboot.
>
>
> ** Tags added: psr
>
> ** Package changed: xorg (Ubuntu) => linux (Ubuntu)
>
> ** Tags added: i915
>
> ** Tags added: regression-update
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/2073252
>
> Title:
>   After recent update, screen is corrupted level with mouse pointer
>
> Status in linux package in Ubuntu:
>   New
>
> Bug description:
>   I accepted a "restart to install changes" request box yesterday, and
>   my screen immediately started to show corruption on the scan lines
>   which the mouse pointer has recently been on.
>
>   The corruption only happens on the built-in laptop display; external
>   monitors are not affected.
>
>   I have tried a reboot, and an "apt-get update; apt-get dist-upgrade"
>   followed by a reboot, and neither of these had any effect.
>
>   The machine is a Dell XPS13, running Ubuntu 24.04 LTS.
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 24.04
>   Package: xorg 1:7.7+23ubuntu3
>   ProcVersionSignature: Ubuntu 6.8.0-38.38-generic 6.8.8
>   Uname: Linux 6.8.0-38-generic x86_64
>   ApportVersion: 2.28.1-0ubuntu3
>   Architecture: amd64
>   BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
>   CasperMD5CheckResult: pass
>   CompositorRunning: None
>   CurrentDesktop: ubuntu:GNOME
>   Date: Tue Jul 16 11:32:58 2024
>   DistUpgraded: Fresh install
>   DistroCodename: noble
>   DistroVariant: ubuntu
>   ExtraDebuggingInterest: Yes, if not too technical
>   GraphicsCard:
>    Intel Corporation Meteor Lake-P [Intel Arc Graphics] [8086:7d55] (rev
> 08) (prog-if 00 [VGA controller])
>      Subsystem: Dell Meteor Lake-P [Intel Arc Graphics] [1028:0c87]
>   InstallationDate: Installed on 2024-06-05 (41 days ago)
>   InstallationMedia: Ubuntu 24.04 LTS "Noble Numbat" - Release amd64
> (20240424)
>   MachineType: Dell Inc. XPS 13 9340
>   ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.8.0-38-generic
> root=UUID=c4cafc00-a3d5-4488-ab4b-857fcff24446 ro quiet splash vt.handoff=7
>   SourcePackage: xorg
>   Symptom: display
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   dmi.bios.date: 04/12/2024
>   dmi.bios.release: 1.5
>   dmi.bios.vendor: Dell Inc.
>   dmi.bios.version: 1.5.0
>   dmi.board.name: 0CH5X9
>   dmi.board.vendor: Dell Inc.
>   dmi.board.version: A00
>   dmi.chassis.type: 10
>   dmi.chassis.vendor: Dell Inc.
>   dmi.ec.firmware.release: 1.8
>   dmi.modalias:
> dmi:bvnDellInc.:bvr1.5.0:bd04/12/2024:br1.5:efr1.8:svnDellInc.:pnXPS139340:pvr:rvnDellInc.:rn0CH5X9:rvrA00:cvnDellInc.:ct10:cvr:sku0C87:
>   dmi.product.family: XPS
>   dmi.product.name: XPS 13 9340
>   dmi.product.sku: 0C87
>   dmi.sys.vendor: Dell Inc.
>   version.compiz: compiz N/A
>   version.libdrm2: libdrm2 2.4.120-2build1
>   version.libgl1-mesa-dri: libgl1-mesa-dri 24.0.9-0ubuntu0.1
>   version.libgl1-mesa-glx: libgl1-mesa-glx N/A
>   version.xserver-xorg-core: xserver-xorg-core 2:21.1.12-1ubuntu1
>   version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
>   version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:22.0.0-1build1
>   version.xserver-xorg-video-intel: xserver-xorg-video-intel
> 2:2.99.917+git20210115-1build1
>   version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
> 1:1.0.17-2build1
>
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>
>