[Bug 2087815] [NEW] Stalls unless C-states disabled - Intel Lunarlake

Public bug reported:

[Impact]
There are many visible delay symptoms, such as moving typing, moving cursor, or operate the GUI menu.

[Fix]
The patch fixes the issue.
https://lore.kernel.org/lkml/20241108135206.435793-3-lenb@kernel.org/

[Test]
The most easier way is to run glxgears -fullscreen, the FPS should always close to 60.

[Where problems could occur]
The patch fixes a CPU flaw, and doesn't look like to introduce any regression.

** Affects: linux-oem-6.11 (Ubuntu)
Importance: Undecided
Status: New

** Affects: linux-oem-6.11 (Ubuntu Noble)
Importance: Undecided
Status: New

** Also affects: linux-oem-6.11 (Ubuntu)
Importance: Undecided
Status: New

** Also affects: linux (Ubuntu Noble)
Importance: Undecided
Status: New

** Also affects: linux-oem-6.11 (Ubuntu Noble)
Importance: Undecided
Status: New

** No longer affects: linux (Ubuntu)

** No longer affects: linux (Ubuntu Noble)

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https://bugs.launchpad.net/bugs/2087815

Title:
Stalls unless C-states disabled - Intel Lunarlake

Status in linux-oem-6.11 package in Ubuntu:
New
Status in linux-oem-6.11 source package in Noble:
New

Bug description:
[Impact]
There are many visible delay symptoms, such as moving typing, moving cursor, or operate the GUI menu.

[Fix]
The patch fixes the issue.
https://lore.kernel.org/lkml/20241108135206.435793-3-lenb@kernel.org/

[Test]
The most easier way is to run glxgears -fullscreen, the FPS should always close to 60.

[Where problems could occur]
The patch fixes a CPU flaw, and doesn't look like to introduce any regression.

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