** Changed in: linux-oem-5.14 (Ubuntu)
Status: New => Invalid
** Changed in: linux-oem-5.13 (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1942994
Title:
[SRU][OEM-5.13/OEM-5.14/U] Fix mt7921e wifi timeout error after resume
Status in HWE Next:
New
Status in linux package in Ubuntu:
Incomplete
Status in linux-oem-5.13 package in Ubuntu:
Invalid
Status in linux-oem-5.14 package in Ubuntu:
Invalid
Status in linux-oem-5.13 source package in Focal:
Fix Released
Status in linux-oem-5.14 source package in Focal:
Fix Released
Bug description:
SRU justification:
[Impact]
Mediatek 7921 wifi card is lost when stress S3.
[Fix]
Check the valid events from firmware, make it resume back.
The patch is in maintainer's tree, but not merged to Linus's tree.
Due to the schedule, send SRU as SAUCE patch.
[Test]
Verified on hardware, wifi works fine after stress S3.
Tested on 3 platforms include the one platform that can reproduce the issue,
all good.
[Where problems could occur]
Mediatek 7921 wifi may be broken.
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