** Changed in: linux (Ubuntu Focal)
Status: In Progress => Fix Committed
** Changed in: linux (Ubuntu Groovy)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1907200
Title:
rtwpci driver blocks the system to enter PC10, stuck at PC3
Status in HWE Next:
New
Status in linux package in Ubuntu:
In Progress
Status in linux-oem-5.6 package in Ubuntu:
Invalid
Status in linux source package in Focal:
Fix Committed
Status in linux-oem-5.6 source package in Focal:
In Progress
Status in linux source package in Groovy:
Fix Committed
Status in linux source package in Hirsute:
In Progress
Bug description:
[Impact]
The deepest CPU package C-state is PC3 after rtwpci module is loaded.
[Fix]
The fix is from Realtek.
They will upstream this fix with some other fixes later.
[Test]
Verified on RTL8723DE [10ec:d723] wifi card, and it enters PC10 during long
idle.
[Where problems could occur]
The fix is pretty simple and small, and just increases the idle/active
latency value. Nothing could went wrong in this case.
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