Re: 6GHz AP association failure on WCN7850

Kalle Valo
2024-03-04T08:42:35Z

Jun Nie <jun.nie@linaro.org> writes:

> I see there is association failure many times when I try to connect my
> 6GHz AP with latest mainline Linux. Does anyone also observe it too?
> Any newer firmware than WLAN.HMT.2.0-01734 is available? Or we
> recommend any specific version firmware?
>
> The issue only happens with this version firmware:
> [ 9.441624] ath12k_pci 0000:01:00.0: Hardware name: wcn7850 hw2.0
> [ 10.058822] ath12k_pci 0000:01:00.0: chip_id 0x2 chip_family 0x4
> board_id 0x3d soc_id 0x40170200
> [ 10.082876] ath12k_pci 0000:01:00.0: fw_version 0x200a06c6
> fw_build_timestamp 2023-09-20 03:43 fw_build_id
> QC_IMAGE_VERSION_STRING=WLAN.HMT.2.0-01734-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1
>
> I do not see the issue with firmware:
> [ 7.896737] ath12k_pci 0000:01:00.0: fw_version 0x1005bc12
> fw_build_timestamp 2022-10-11 12:13 fw_build_id
> QC_IMAGE_VERSION_STRING=WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4
>
> Detail log can be found at:
> https://www.dropbox.com/scl/fi/jgn1zbnw44i1vypbjxl0v/ath12k-6GHz-association-fail-log.tgz?rlkey=pg2ifnzcttzimz7vaxb7tuc6w&dl=0

List: ath12k@lists.infradead.org
From: jun.nie@linaro.org
Subject: Re: Performance of WCN7850
Reason: Message body is too big: 1294317 bytes with a limit of 500 KB

BTW Jun, please don't submit 1 MB files to our lists. That's just too
much. IMHO 100 kB should be the maximum even if the list has 500 kB
limit.

--