Reduce s2idle power consumption when ethernet cable is connected on e1000e
Bug #1859126 reported by
Kai-Heng Feng
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
HWE Next |
Fix Released
|
Undecided
|
Unassigned | ||
linux (Ubuntu) |
Fix Released
|
Medium
|
Unassigned | ||
Bionic |
Won't Fix
|
Undecided
|
Unassigned | ||
Eoan |
Fix Released
|
Medium
|
Unassigned | ||
Focal |
Fix Released
|
Medium
|
Unassigned | ||
linux-oem-osp1 (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Bionic |
Fix Released
|
Undecided
|
Unassigned | ||
Eoan |
Fix Released
|
Undecided
|
Unassigned | ||
Focal |
Won't Fix
|
Undecided
|
Unassigned |
Bug Description
[Impact]
When ethernet cable is connected, power consumption is quite high under suspend-to-idle.
[Fix]
Enable s0ix support for e1000e.
[Test]
When ethernet cable is connected, the power consumption is ~2.5w.
After applying the patch, it can be lowered to ~1.8w.
[Regression Potential]
Low. This fix is limited to fairly recent I219 hardwares.
CVE References
Changed in linux (Ubuntu Bionic): | |
status: | New → Won't Fix |
Changed in linux-oem-osp1 (Ubuntu Eoan): | |
status: | New → Won't Fix |
Changed in linux-oem-osp1 (Ubuntu Focal): | |
status: | New → Won't Fix |
tags: | added: oem-priority originate-from-1857690 somerville |
Changed in linux (Ubuntu Eoan): | |
importance: | Undecided → Medium |
status: | Incomplete → In Progress |
Changed in linux (Ubuntu Focal): | |
importance: | Undecided → Medium |
status: | Incomplete → In Progress |
Changed in linux (Ubuntu Focal): | |
status: | In Progress → Fix Committed |
Changed in linux-oem-osp1 (Ubuntu Eoan): | |
status: | Won't Fix → Fix Released |
Changed in linux (Ubuntu Eoan): | |
status: | In Progress → Fix Committed |
tags: |
added: verification-done-eoan removed: verification-needed-eoan |
Changed in linux-oem-osp1 (Ubuntu): | |
status: | New → Invalid |
Changed in hwe-next: | |
status: | New → Fix Released |
To post a comment you must log in.
This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1859126
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the Ubuntu Kernel Team.