[SRU][OEM-5.13/OEM-5.14/U] Fix mt7921e wifi timeout error after resume
Bug #1942994 reported by
AaronMa
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
HWE Next |
Fix Released
|
Undecided
|
Unassigned | ||
linux (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned | ||
linux-oem-5.13 (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Focal |
Fix Released
|
Undecided
|
Unassigned | ||
linux-oem-5.14 (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Focal |
Fix Released
|
Undecided
|
Unassigned |
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.
CVE References
no longer affects: | linux (Ubuntu Focal) |
tags: | added: oem-priority originate-from-1940512 sutton |
description: | updated |
Changed in linux-oem-5.13 (Ubuntu Focal): | |
status: | New → Fix Committed |
Changed in linux-oem-5.14 (Ubuntu Focal): | |
status: | New → Fix Committed |
Changed in linux-oem-5.14 (Ubuntu Focal): | |
status: | Fix Committed → Fix Released |
status: | Fix Released → Fix Committed |
Changed in linux-oem-5.14 (Ubuntu): | |
status: | New → Invalid |
Changed in linux-oem-5.13 (Ubuntu): | |
status: | New → Invalid |
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This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1942994
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the Ubuntu Kernel Team.