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

[Hauke Mehrtens]

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?

Hauke