Re: HT and VHT testing for modern iwlwifi chipsets (notes about others)

From: Maxim V Filimonov <che_at_bein.link>
Date: Fri, 28 Feb 2025 23:52:37 UTC
In short, wpa_supplicant is complaining about wrong key: "the psk may be 
wrong"

On 01.03.2025 04:51, Maxim V Filimonov wrote:
> Bjoern,
>
> After I pasted the ac tunable name correctly, I was no longer able to 
> connect to 5GHz. Which outputs should I collect when I try that again?
>
> On 01.03.2025 04:25, Bjoern A. Zeeb wrote:
>> On Sat, 1 Mar 2025, Maxim V Filimonov wrote:
>>
>>> The funny thing is, after I set the country to what the router says, 
>>> it did connect, but ifconfig still says it's 802.11a. However, the 
>>> speed greatly
>>
>> ifconfig as attached in the log says:
>>
>>         ssid libastral channel 36 (5180 MHz 11a ht/40+) bssid 
>> 2c:c8:1b:c1:8d:d0
>>
>> ht/40+
>>
>>         -pureg protmode CTS ht htcompat -ampdutx ampdurx ampdulimit 64k
>>
>> ht is on (no minus in front)
>>
>>         media: IEEE 802.11 Wireless Ethernet MCS mode 11na
>>
>> and you are on MCS mode 11na
>>
>>
>> That is all as expected for 11n.
>>
>>
>>> improved: it now shows 90+ Mbps instead of the 10 I saw before.
>>>
>>> So probably, I don't have the problem I've originally reported.
>>>
>>> Still, ac doesn't seem to be on, tho.
>>
>> The tunable doesn't get unset by anything if set correctly at boot time.
>> Maybe double check there is no typo or copy&paste problem? You can 
>> use the
>> name from the sysctl to be sure.
>>
>> Bjoern
>>
-- 
wbr, Maxim Filimonov <che@bein.link>