Public bug reported:
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.
This issus is only produced on 1 platform, tested on 3 platforms, all good.
[Where problems could occur]
Mediatek 7921 wifi may be broken.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-oem-5.13 (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-oem-5.14 (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-oem-5.13 (Ubuntu Focal)
Importance: Undecided
Status: New
** Affects: linux-oem-5.14 (Ubuntu Focal)
Importance: Undecided
Status: New
** Tags: oem-priority originate-from-1940512 sutton
** Also affects: linux-oem-5.14 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.13 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.13 (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.14 (Ubuntu Focal)
Importance: Undecided
Status: New
** No longer affects: linux (Ubuntu Focal)
** Tags added: oem-priority originate-from-1940512 sutton
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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
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