Fix RPL-U CPU C-state always keep at C3 when system run PHM with idle screen on
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
HWE Next |
New
|
Undecided
|
Unassigned | ||
linux (Ubuntu) |
Fix Released
|
Undecided
|
koba | ||
Jammy |
Invalid
|
Undecided
|
Unassigned | ||
Noble |
Fix Released
|
Undecided
|
koba | ||
linux-oem-6.5 (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Jammy |
Fix Released
|
Undecided
|
koba | ||
Noble |
Invalid
|
Undecided
|
Unassigned |
Bug Description
[Impact]
RPL-U CPU C-state alway keep at C3 when system run PHM with idle screen on.
[Fix]
Realtek r8168h/r8111's ASPM is blocked due to users report the regression on their platform[0].
Add quirks for some Dell Platforms to enable ASPM and allow RPL-U sleep deeper.
[0], https:/
[where the issue could happen]
Medium, may have the regression but the risk is limited in some Dell platforms.
we will ask Realtek's effort once the regression is observed.
[Misc]
For Unstable, built with mantic configuration
~~~
$ git push m_cbd
remote: *** kernel-cbd *******
remote: * Queueing builds (your 'ubuntu_
remote: * For results: ssh cbd ls kobako-
remote: * 1/9 workers busy, 0 builds queued
remote: 2023-11-20 16:19:03 kobako-
remote: 2023-11-20 16:21:38 kobako-
remote: 2023-11-20 16:18:54 kobako-
remote: 2023-11-20 16:22:08 kobako-
remote: 2023-11-20 16:14:16 kobako-
remote: *******
To cbd.kernel:
* [new branch] ubuntu_
~~~
CVE References
summary: |
- Fix CPU C-state alway keep at C3 when system run PHM with idle screen on + Fix RPL-U CPU C-state alway keep at C3 when system run PHM with idle + screen on |
description: | updated |
description: | updated |
Changed in linux-oem-6.5 (Ubuntu Jammy): | |
status: | New → In Progress |
assignee: | nobody → koba (kobako) |
tags: | added: oem-priority originate-from-2038398 somerville |
description: | updated |
Changed in linux (Ubuntu Noble): | |
status: | New → In Progress |
assignee: | nobody → koba (kobako) |
Changed in linux-oem-6.5 (Ubuntu Jammy): | |
status: | In Progress → Fix Committed |
Changed in linux-oem-6.5 (Ubuntu Noble): | |
status: | New → Invalid |
Changed in linux (Ubuntu Jammy): | |
status: | New → Invalid |
summary: |
- Fix RPL-U CPU C-state alway keep at C3 when system run PHM with idle + Fix RPL-U CPU C-state always keep at C3 when system run PHM with idle screen on |
This bug is awaiting verification that the linux-oem- 6.5/6.5. 0-1008. 8 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification- needed- jammy-linux- oem-6.5' to 'verification- done-jammy- linux-oem- 6.5'. If the problem still exists, change the tag 'verification- needed- jammy-linux- oem-6.5' to 'verification- failed- jammy-linux- oem-6.5' .
If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.
See https:/ /wiki.ubuntu. com/Testing/ EnableProposed for documentation how to enable and use -proposed. Thank you!