rtw89_8852ce - Lost WIFI connection after suspend
Affects | Status | Importance | Assigned to | Milestone | ||
---|---|---|---|---|---|---|
HWE Next |
New
|
Undecided
|
Unassigned | |||
linux (Ubuntu) | Status tracked in Oracular | |||||
Jammy |
Invalid
|
Undecided
|
Unassigned | |||
Noble |
Fix Released
|
Undecided
|
AceLan Kao | |||
Oracular |
Fix Released
|
Undecided
|
AceLan Kao | |||
linux-oem-6.5 (Ubuntu) | Status tracked in Oracular | |||||
Jammy |
Fix Released
|
Undecided
|
AceLan Kao | |||
Noble |
Invalid
|
Undecided
|
Unassigned | |||
Oracular |
Invalid
|
Undecided
|
Unassigned |
Bug Description
[Impact]
Lost WIFI connection after suspend.
While this happen, the WIFI module couldn't detect any AP, re-enable module and reboot OS without any help.
There only way to get it back is cold boot.
[Fix]
Realtek provides a fix which has been included in rtw maintainer's tree
https://<email address hidden>
The commits has been included in v6.10-rc1
4e5957101d42 wifi: rtw89: 8852c: refine power sequence to imporve power consumption
535c045da60f wifi: rtw89: reset AFEDIG register in power off sequence
[Test case]
1. Boot into OS
2. open terminal to keep checking dmesg or check the wifi connection from GUI
3. suspend/resume multiple times
4. check the wifi connection
[Where problems could occur]
What the 2 commits should be safe and won't introduce any regression.
1. Reset AFEDIG register before BB reset in power off sequence
2. Adjust power and clock parameters
Changed in linux (Ubuntu Jammy): | |
status: | New → Invalid |
Changed in linux (Ubuntu Noble): | |
status: | New → In Progress |
Changed in linux-oem-6.5 (Ubuntu Jammy): | |
status: | New → In Progress |
Changed in linux-oem-6.5 (Ubuntu Noble): | |
status: | New → Invalid |
Changed in linux-oem-6.5 (Ubuntu Oracular): | |
status: | New → Invalid |
Changed in linux (Ubuntu Oracular): | |
status: | New → In Progress |
Changed in linux (Ubuntu Noble): | |
assignee: | nobody → AceLan Kao (acelankao) |
Changed in linux (Ubuntu Oracular): | |
assignee: | nobody → AceLan Kao (acelankao) |
Changed in linux-oem-6.5 (Ubuntu Jammy): | |
assignee: | nobody → AceLan Kao (acelankao) |
tags: | added: oem-priority originate-from-2054278 stella |
Changed in linux-oem-6.5 (Ubuntu Jammy): | |
status: | In Progress → Fix Committed |
description: | updated |
Changed in linux (Ubuntu Oracular): | |
status: | In Progress → Fix Released |
Changed in linux (Ubuntu Noble): | |
status: | In Progress → Fix Committed |
tags: |
added: verification-done-jammy-linux-oem-6.5 removed: verification-needed-jammy-linux-oem-6.5 |
tags: |
added: verification-done-noble-linux removed: verification-needed-noble-linux |
This bug is awaiting verification that the linux-oem- 6.5/6.5. 0-1025. 26 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification- needed- jammy-linux- oem-6.5' to 'verification- done-jammy- linux-oem- 6.5'. If the problem still exists, change the tag 'verification- needed- jammy-linux- oem-6.5' to 'verification- failed- jammy-linux- oem-6.5' .
If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.
See https:/ /wiki.ubuntu. com/Testing/ EnableProposed for documentation how to enable and use -proposed. Thank you!