Public bug reported:
The Qualcomm FastConnect 7800 (WCN7850) Wi-Fi 7 adapter is detected and the
ath12k_pci module loads, but probe fails due to an unrecognized hardware
revision.
Commands and output:
lspci -nn | grep -i qualcomm
uname -r
lsmod | grep ath
sudo dmesg | grep -i ath12k
ls /lib/firmware/ath12k/
09:00.0 Network controller [0280]: Qualcomm Technologies, Inc WCN785x Wi-Fi
7(802.11be) 320MHz 2x2 [FastConnect 7800] [17cb:1107] (rev 01)
6.17.0-14-generic
ath12k 987136 0
qmi_helpers 28672 1 ath12k
mac80211 1884160 1 ath12k
cfg80211 1478656 2 ath12k,mac80211
qcom_scm 53248 1 ath12k
mhi 139264 1 ath12k
[ 4.547060] ath12k_pci 0000:09:00.0: BAR 0 [mem 0xf6200000-0xf63fffff
64bit]: assigned
[ 4.547084] ath12k_pci 0000:09:00.0: enabling device (0000 -> 0002)
[ 5.005891] ath12k_pci 0000:09:00.0: Unknown hardware version found for
WCN7850: 0xf
[ 5.005949] ath12k_pci 0000:09:00.0: probe with driver ath12k_pci failed
with error -95
QCN9274 WCN7850
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2142293
Title:
WCN7850 / FastConnect 7800 Wi-Fi 7 not working — ath12k_pci module
missing
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