There are some fixes going in to the next Ubuntu 6.8 kernel coming out,
but I was wondering if you could test booting with the option
"i915.enable_psr2_sel_fetch=0" on the kernel command line.
You can either add this in grub when you reboot the machine, or by
adding it to the kernel command line in the grub config file, and
updating grub.
If you need info on any of this, please let me know.
** Changed in: linux-hwe-6.8 (Ubuntu)
Assignee: (unassigned) => Philip Cox (philcox)
** Summary changed:
- After upgrading kernel 6.5.0-45.45~22.04.1 to 6.8.0-40.40~22.04.3 external
monitor is blinking
+ (i915) external monitor flickering in 6.8.0-40.40~22.04.3
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https://bugs.launchpad.net/bugs/2077220
Title:
(i915) external monitor flickering in 6.8.0-40.40~22.04.3
Status in linux-hwe-6.8 package in Ubuntu:
Confirmed
Bug description:
I used sudo apt-get upgrade in Ubuntu 22.04.4 .
Then karnel upgraded from 6.5.0-45.45~22.04.1 to 6.8.0-40.40~22.04.3.
Now I am facing problem to my external monitor(1920x1080), that was blinking.
Setting low resolution(ex:1680x1050) from settings for this monitor, blinking
has gone.
Another soluton That cause huze performance:- Changing karnel
6.5.0-45.45~22.04.1 to 6.8.0-40.40~22.04.3 at the time of booting.
I tried Ubuntu 24.04, But it has the same blinking problem.
https://youtu.be/-BXSe5k0SAk
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: ubuntu-release-upgrader-core 1:22.04.19
ProcVersionSignature: Ubuntu 6.8.0-40.40~22.04.3-generic 6.8.12
Uname: Linux 6.8.0-40-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu82.6
Architecture: amd64
CasperMD5CheckResult: pass
CrashDB: ubuntu
CrashReports:
640:0:124:4591909:2024-08-16 14:51:16.012351512 +0600:2024-08-16
14:51:17.012351512 +0600:/var/crash/_usr_bin_grub-customizer.0.crash
640:1000:124:536484:2024-08-16 23:46:35.262295246 +0600:2024-08-16
23:46:36.262295246 +0600:/var/crash/_opt_google_chrome_chrome.1000.crash
640:1000:124:12891878:2024-08-17 11:33:47.537503242 +0600:2024-08-17
11:33:48.537503242 +0600:/var/crash/_usr_lib_slack_slack.1000.crash
640:1000:124:1791389:2024-08-15 14:35:36.782359123 +0600:2024-08-15
17:07:21.757640327 +0600:/var/crash/_usr_libexec_tracker-extract-3.1000.crash
CurrentDesktop: ubuntu:GNOME
Date: Sat Aug 17 14:43:12 2024
InstallationDate: Installed on 2024-03-09 (161 days ago)
InstallationMedia: Ubuntu 22.04.4 LTS "Jammy Jellyfish" - Release amd64
(20240220)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
Symptom: dist-upgrade
UpgradeStatus: No upgrade log present (probably fresh install)
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