https://lists.ubuntu.com/archives/kernel-team/2021-July/122347.html
** Changed in: linux-oem-5.10 (Ubuntu Focal)
Assignee: Kai-Heng Feng (kaihengfeng) => (unassigned)
** Changed in: linux-oem-5.13 (Ubuntu Focal)
Assignee: Kai-Heng Feng (kaihengfeng) => (unassigned)
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https://bugs.launchpad.net/bugs/1934398
Title:
Prevent spurious wakeups on amd s2idle
Status in linux package in Ubuntu:
Confirmed
Status in linux-oem-5.10 package in Ubuntu:
Invalid
Status in linux-oem-5.13 package in Ubuntu:
Invalid
Status in linux source package in Focal:
Won't Fix
Status in linux-oem-5.10 source package in Focal:
Confirmed
Status in linux-oem-5.13 source package in Focal:
Confirmed
Status in linux source package in Impish:
Confirmed
Status in linux-oem-5.10 source package in Impish:
Invalid
Status in linux-oem-5.13 source package in Impish:
Invalid
Bug description:
[Impact]
Several AMD based OEM designs have spurious wakeups occurring from EC events
during s2idle. This leads to non-functional wakeup sources or higher power
consumption.
[Fix]
Prevent setting the GPE for the EC for wakeup source on AMD systems.
[Test]
Verify s2idle on OEM system.
[Where problems could occur]
Code is guarded to only run on AMD systems, which are just now getting s2idle
support in oem kernel.
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