This bug was fixed in the package linux-firmware -
20220329.git681281e4-0ubuntu3.36
---------------
linux-firmware (20220329.git681281e4-0ubuntu3.36) jammy; urgency=medium
* Fix regression and add more region support of QCOM WiFi WCN7850 (LP:
#2084504)
- ath12k: WCN7850 hw2.0: update board-2.bin
-- Juerg Haefliger <juerg.haefli...@canonical.com> Fri, 08 Nov 2024
09:51:14 +0100
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https://bugs.launchpad.net/bugs/2084504
Title:
Fix regression and add more region support of QCOM WiFi WCN7850
Status in HWE Next:
In Progress
Status in linux-firmware package in Ubuntu:
Fix Committed
Status in linux-firmware source package in Jammy:
Fix Released
Status in linux-firmware source package in Noble:
Fix Released
Status in linux-firmware source package in Oracular:
Fix Released
Bug description:
[Impact]
Qualcomm WiFi chip WCN7850 failed to load board data,
ath12k can not work due to previous update of board-2.bin.
Also add more region support again.
[Fix]
Update board-2.bin in linux-firmware.
[Test]
Tested on 2 models of Thinkpad, WiFi works fine.
Bootup with the new fw, connect to AP,
use iperf3:
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 164 MBytes 138 Mbits/sec 0 sender
[ 5] 0.00-10.05 sec 163 MBytes 136 Mbits/sec receiver
[Where problems could occur]
It may break Qualcomm WiFi WCN7850.
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