5G wifi doesn't really work on my tp-link Archer C7 v2

Hauke Mehrtens hauke at hauke-m.de
Thu May 19 05:07:35 PDT 2022

On 5/16/22 15:54, e9hack wrote:
> Hi,
> I've trouble with the following commit:
> commit    3aa96efa24c13c6e0aafa5ad826f3f95a3bd74f9
> mac80211: Update to version 5.15.33-1
> After this commit the 5G wifi interface doesn't start properly. The 
> interfaces are visible with ifconfig, but it isn't visible on air. To 
> get 5G working, I must restart hostapd. I'm doing this with the 
> following command 'wifi down; sleep 5; killall -9 hostapd; sleep 5; wifi 
> &'.
> Any idea, what is wrong in mac80211 5.15.33-1?
> Regards,
> Hartmut

Hi Hartmut,

Do you have some more details?
Do you see any error message in logread?
What hardware was this happening on?

Did it work again when you reverted the linked commit?


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