The Realtek card reader does not enter PCIe 1.1/1.2
Bug #1825487 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
|
Undecided
|
Unassigned | ||
Bionic |
Fix Released
|
Undecided
|
Unassigned | ||
Cosmic |
Fix Released
|
Undecided
|
Unassigned | ||
Disco |
Fix Released
|
Undecided
|
Unassigned | ||
linux-oem (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned | ||
Bionic |
Fix Released
|
Undecided
|
Unassigned | ||
Cosmic |
Fix Released
|
Undecided
|
Unassigned | ||
Disco |
Fix Released
|
Undecided
|
Unassigned |
Bug Description
[Impact]
The Realtek card reader does not enter PCIe 1.1/1.2.
This keeps Intel SoC staying at PC3, which consumes lots of power.
[Fix]
Set correct ASPM parameter on rtsx_pci.
[Test]
With the patch applied, Intel SoC can enter PC10, which saves lots of power.
[Regression Potential]
Low. The card reader in question still works as before.
Changed in linux-oem (Ubuntu Cosmic): | |
status: | New → Invalid |
Changed in linux-oem (Ubuntu Disco): | |
status: | New → Invalid |
tags: | added: originate-from-1821890 somerville |
Changed in linux (Ubuntu Bionic): | |
status: | New → Fix Committed |
Changed in linux (Ubuntu Cosmic): | |
status: | New → Fix Committed |
Changed in linux (Ubuntu Disco): | |
status: | New → Fix Committed |
tags: |
added: verification-done-cosmic verification-done-disco removed: verification-needed-cosmic verification-needed-disco |
tags: |
added: verification-done-bionic removed: verification-needed-bionic |
Changed in linux-oem (Ubuntu): | |
status: | New → Fix Released |
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 1825487
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.