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.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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Packages, which is subscribed to linux-oem-5.14 in Ubuntu.
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:
New
Status in linux-oem-5.14 package in Ubuntu:
New
Status in linux-oem-5.13 source package in Focal:
New
Status in linux-oem-5.14 source package in Focal:
New
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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