Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-signed-hwe-6.2 (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/2028365
Title:
[i915] Screen flickering in Ubuntu 22.04 (until i915.enable_dc=0
intel_idle.max_cstate=2 are added)
Status in linux-signed-hwe-6.2 package in Ubuntu:
Confirmed
Bug description:
Ubuntu 22.04.2 with kernel 6.2.0-25-generic @ 21/7/2023
After recent updates to kernel 6.2.0-25-generic my intel flickering
has returned
with the same symptons as in previous bug(s) on ubuntu:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1958191
https://bugs.launchpad.net/ubuntu/+source/linux-hwe/+bug/1838644
https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1948778
Ubuntu loads to desktop and after a few seconds the flickering starts
to unusable glitches
This bug dissapears when adding the kernel parameter: i915.enable_dc=0
intel_idle.max_cstate=2
On Ubuntu 22.04 the bug was fixed since kernel 5.17.7-051707-generic
#202205121146 (mainline)
and kernel 5.19.0-28-generic
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: linux-image-6.2.0-25-generic 6.2.0-25.25~22.04.2
ProcVersionSignature: Ubuntu 6.2.0-25.25~22.04.2-generic 6.2.13
Uname: Linux 6.2.0-25-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Fri Jul 21 14:21:38 2023
SourcePackage: linux-signed-hwe-6.2
UpgradeStatus: No upgrade log present (probably fresh install)
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