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Re: invalid vht params rate 1920 100kbps nss 2 mcs 9

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James Prestwood <prestwoj@xxxxxxxxx> writes:

> Hi Paul,
>
> On 6/16/24 6:10 AM, Paul Menzel wrote:
>> Dear Linux folks,
>>
>>
>> Linux 6.10-rc3 (commit a3e18a540541) logged the warning below when
>> connecting to a public WiFi:
>>
>>     ath10k_pci 0000:3a:00.0: invalid vht params rate 1920 100kbps
>> nss 2 mcs 9
>
> This has been reported/discussed [1]. It was hinted that there was a
> firmware fix for this, but none that I tried got rid of it. I got fed
> up enough with the logs filling up with this I patched our kernel to
> remove the warning. AFAICT it appears benign (?). Removing the warning
> was purely "cosmetic" so other devs stopped complaining about it :)
>
> [1] https://www.mail-archive.com/ath10k@xxxxxxxxxxxxxxxxxxx/msg13406.html

More reliable link to the discussion:

https://lore.kernel.org/ath10k/76a816d983e6c4d636311738396f97971b5523fb.1612915444.git.skhan@xxxxxxxxxxxxxxxxxxx/

I think we should add this workaround I mentioned in 2021:

   "If the firmware still keeps sending invalid rates we should add a
    specific check to ignore the known invalid values, but not all of
    them."

   https://lore.kernel.org/ath10k/87h7mktjgi.fsf@xxxxxxxxxxxxxx/

I guess that would be mcs == 7 and rate == 1440?

-- 
https://patchwork.kernel.org/project/linux-wireless/list/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches





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