[Bug 1970426] Re: [i915] screen is flickering in Ubuntu 22.04 (until i915.enable_dc=0 intel_idle.max_cstate=2 are added)

*** This bug is a duplicate of bug 1958191 *** https://bugs.launchpad.net/bugs/1958191 This bug is closed as a duplicate of bug 1958191. If the suggested workaround doesn't work for you then please open a new bug by running: ubuntu-bug linux -- You received this bug notification because

[Bug 1970426] Re: [i915] screen is flickering in Ubuntu 22.04 (until i915.enable_dc=0 intel_idle.max_cstate=2 are added)

*** This bug is a duplicate of bug 1958191 *** https://bugs.launchpad.net/bugs/1958191 Flickering is still happening even after appending GRUB_CMDLINE_LINUX_DEFAULT, its more prominent when I have blinking cursor for example, it more frequent when I work in eclipse IDE .. I am on: Kernel:

[Bug 1970426] Re: [i915] screen is flickering in Ubuntu 22.04 (until i915.enable_dc=0 intel_idle.max_cstate=2 are added)

*** This bug is a duplicate of bug 1958191 *** https://bugs.launchpad.net/bugs/1958191 > Is there any reliable solution to this bug ? It looks like the following is working for everyone so far: 1. Edit /etc/default/grub to add append i915.enable_dc=0 intel_idle.max_cstate=2 to the contents

[Bug 1970426] Re: [i915] screen is flickering in Ubuntu 22.04 (until i915.enable_dc=0 intel_idle.max_cstate=2 are added)

*** This bug is a duplicate of bug 1958191 *** https://bugs.launchpad.net/bugs/1958191 I am also getting the same screen flickering issue after fresh installation of Ubuntu 22.04 LTS running on xorg (x11). CPU in my case is: Intel(R) Core(TM) i5-6200U CPU @ 2.30GHz

[Bug 1970426] Re: [i915] screen is flickering in Ubuntu 22.04 (until i915.enable_dc=0 intel_idle.max_cstate=2 are added)

*** This bug is a duplicate of bug 1958191 *** https://bugs.launchpad.net/bugs/1958191 Same here, after upgrading from 20.04 on my ThinkPad E460 which had been working fine for years. lshw | grep -A2 display *-display description: VGA compatible controller

[Bug 1970426] Re: [i915] screen is flickering in Ubuntu 22.04 (until i915.enable_dc=0 intel_idle.max_cstate=2 are added)

*** This bug is a duplicate of bug 1958191 *** https://bugs.launchpad.net/bugs/1958191 Also happening on Xubuntu 22.04 (which it's not Wayland) o the same UHD Graphics. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1970426] Re: [i915] screen is flickering in Ubuntu 22.04 (until i915.enable_dc=0 intel_idle.max_cstate=2 are added)

*** This bug is a duplicate of bug 1958191 *** https://bugs.launchpad.net/bugs/1958191 Seems to be the same issue so I think this can be marked as a duplicate of bug 1958191 now. ** This bug has been marked a duplicate of bug 1958191 [i915] Flickering and deformed booting into desktop

[Bug 1970426] Re: [i915] screen is flickering in Ubuntu 22.04 (until i915.enable_dc=0 intel_idle.max_cstate=2 are added)

** Summary changed: - [i915] screen is flickering in Ubuntu 22.04 + [i915] screen is flickering in Ubuntu 22.04 (until i915.enable_dc=0 intel_idle.max_cstate=2 are added) ** Changed in: linux (Ubuntu) Status: Confirmed => Triaged -- You received this bug notification because you are a

Re: [Bug 1970426] Re: [i915] screen is flickering in Ubuntu 22.04

The last kernel without the flickering for me was the kernel that shipped with 21.10 -> same Le 05/05/2022 à 17:13, Nikolai Kotsifas a écrit : > The last kernel without the flickering for me was the kernel that > shipped with 21.10 -- You received this bug notification because you are a member

[Bug 1970426] Re: [i915] screen is flickering in Ubuntu 22.04

In file /etc/default/grub I added to parameter GRUB_CMDLINE_LINUX_DEFAULT: i915.enable_dc=0 intel_idle.max_cstate=2 updated grub and now I'm flicker free for a few days. The last kernel without the flickering for me was the kernel that shipped with 21.10 -- You received this bug notification

[Bug 1970426] Re: [i915] screen is flickering in Ubuntu 22.04

Well I can say only about 20.04.04 there was 5.13 hwe kernel without that flickering. After I upgraded to 22.04 with 5.15, problem starts. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1970426

[Bug 1970426] Re: [i915] screen is flickering in Ubuntu 22.04

Could someone please identify what the last kernel version WITHOUT the bug was? https://kernel.ubuntu.com/~kernel-ppa/mainline/?C=M;O=D ** Summary changed: - [i915] screen suddenly starts flickering after update + [i915] screen is flickering in Ubuntu 22.04 ** Tags added: regression-release