Public bug reported: [Impact] The /sys/power/suspend_stats/total_hw_sleep desn't increase while suspended, because of the ASPM feature is not enabled on Realtek NIC.
[Fix] Realtek provides 2 commits which are included in v6.15 to fix the issue 3d9b8ac53412 r8169: enable RTL8168H/RTL8168EP/RTL8168FP ASPM support b48688ea3c9a r8169: disable RTL8126 ZRX-DC timeout [Test] 1. check the value of /sys/power/suspend_stats/total_hw_sleep 2. suspend and resume the system 3. the value of /sys/power/suspend_stats/total_hw_sleep increases [Where problems could occur] Enable the ASPM on Realtek NIC sometimes lead to different abnormal behaviors. We have done extensive tests on the target platform and make sure there is no issue introduced by the ASPM feature. ** Affects: linux (Ubuntu) Importance: Undecided Status: Fix Released ** Affects: linux-oem-6.14 (Ubuntu) Importance: Undecided Status: Invalid ** Affects: linux (Ubuntu Noble) Importance: Undecided Status: Won't Fix ** Affects: linux-oem-6.14 (Ubuntu Noble) Importance: Undecided Assignee: AceLan Kao (acelankao) Status: In Progress ** Affects: linux (Ubuntu Questing) Importance: Undecided Status: Fix Released ** Affects: linux-oem-6.14 (Ubuntu Questing) Importance: Undecided Status: Invalid ** Also affects: linux-oem-6.14 (Ubuntu Noble) Importance: Undecided Status: New ** Also affects: linux-oem-6.14 (Ubuntu Questing) Importance: Undecided Status: New ** Also affects: linux (Ubuntu) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Noble) Status: New => Won't Fix ** Changed in: linux (Ubuntu Questing) Status: New => Fix Released ** Changed in: linux-oem-6.14 (Ubuntu Questing) Status: New => Invalid ** Changed in: linux-oem-6.14 (Ubuntu Noble) Status: New => In Progress ** Changed in: linux-oem-6.14 (Ubuntu Noble) Assignee: (unassigned) => AceLan Kao (acelankao) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2117115 Title: Enable Realtek RTL8168H/RTL8168EP/RTL8168FP ASPM support To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2117115/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs