** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-oem-osp1 (Ubuntu Focal)
Importance: Undecided
Status: Fix Released
** No longer affects: linux (Ubuntu Bionic)
** No longer affects: linux-oem-osp1 (Ubuntu Focal)
** Changed in: linux (Ubuntu Focal)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/1836030
Title:
enable realtek ethernet device ASPM function
Status in HWE Next:
Fix Released
Status in linux package in Ubuntu:
In Progress
Status in linux-oem-osp1 package in Ubuntu:
Fix Released
Status in linux-oem-osp1 source package in Bionic:
Fix Released
Status in linux source package in Focal:
In Progress
Bug description:
[Impact]
The PC state stays at PC3 if realtek ethernet doesn't enable ASPM.
[Fix]
Discussed with upstream and they would like to use sysfs to toggle the ASPM
link states, but the patches didn't get merged yet, so we merger them as SAUCE
patches.
[Test]
Verified on machines with realtek ethernet device, the ethernet works well
and the system can enter PC10.
[Regression Potential]
High. From upstream maintainer, enable realtek ethernet ASPM may lead to some
serious issue, so regression is expected. Those regression should come from old
realtek chips, we'll make sure all new platforms with realtek NIC have no any
issues.
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