** Changed in: hwe-next
Status: New => In Progress
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https://bugs.launchpad.net/bugs/1781533
Title:
SATA device is not going to DEVSLP
Status in HWE Next:
In Progress
Status in OEM Priority Project:
Triaged
Status in linux-oem package in Ubuntu:
In Progress
Bug description:
[Impact]
Any of the platforms we’ve been seeing SATA problems not going to deepest
state leading to other devices not getting there during long idle or s2idle.
And it also prevents the system from entering deeper PC state other than PC3.
[Test]
Verified the power consumption on some new platforms, it doesn't do too much
difference to the numbers, but it improves.
[Fix]
Suggested from Intel and Dell to contains the 2 commits
https://patchwork.kernel.org/patch/10502285/
https://patchwork.kernel.org/patch/10502287/
[Regression Potential]
Low, the production machines with suspend-to-idle enabled should have the
DEVSLP function been validated.
[Misc]
Those commits do not show up in any public git tree yet, so let's verify
them in oem kernel first, and then will submit to bionic kernel later.
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