Are you running kernel 6.8.0-44.44?
** Changed in: linux-firmware (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/2080428
Title:
Updating firmware disabled QCOM WiFi WCN7850 on T14 Gen5 AMD
Status in linux-firmware package in Ubuntu:
Incomplete
Bug description:
After installing new package updates as suggested by ubuntu, my WiFi
Card (Qualcomm WCN785x Wi-Fi 7(802.11be) as far as lshw -C network is
concerned) did not connect to the network again after waking the
laptop from idle.
After some research I found this bug report:
https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/2077296
It seems that after updating the firmware package after the bugfix for
the mentioned bug got released, the updated file board-2.bin is now
broken for at least T14 Gen5 AMD. In the mentioned bugfix thread, a
person already posted this issue yesterday. However, I am reposting it
here as suggested by Timo in
https://bugs.launchpad.net/ubuntu/+source/linux-
firmware/+bug/2077296/comments/5.
Running sudo dmesg | grep ath12k reveals that the board data could not
be fetched from the updated file:
[ 2.381547] ath12k_pci 0000:02:00.0: BAR 0 [mem 0x90600000-0x907fffff
64bit]: assigned
[ 2.381567] ath12k_pci 0000:02:00.0: enabling device (0000 -> 0002)
[ 2.382640] ath12k_pci 0000:02:00.0: MSI vectors: 16
[ 2.382647] ath12k_pci 0000:02:00.0: Hardware name: wcn7850 hw2.0
[ 3.479946] ath12k_pci 0000:02:00.0: chip_id 0x2 chip_family 0x4 board_id
0xff soc_id 0x40170200
[ 3.479950] ath12k_pci 0000:02:00.0: fw_version 0x100301e1
fw_build_timestamp 2023-12-06 04:05 fw_build_id
QC_IMAGE_VERSION_STRING=WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
[ 3.492086] ath12k_pci 0000:02:00.0: failed to fetch board data for
bus=pci,vendor=17cb,device=1107,subsystem-vendor=17aa,subsystem-device=e0e6,qmi-chip-id=2,qmi-board-id=255
from ath12k/WCN7850/hw2.0/board-2.bin
[ 3.492101] ath12k_pci 0000:02:00.0: failed to fetch board.bin from
WCN7850/hw2.0
[ 3.492103] ath12k_pci 0000:02:00.0: qmi failed to load bdf:
[ 3.492105] ath12k_pci 0000:02:00.0: qmi failed to load board data file:-2
Any help is greatly appreciated.
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