Re: WiFi on RPi
Ryutaroh Matsumoto dijo [Thu, Mar 04, 2021 at 08:10:15AM +0900]:
> > | 3: wlan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000
> > | link/ether dc:a6:32:ae:8d:59 brd ff:ff:ff:ff:ff:ff
> > \----------------------------------------------------------------------
>
> Just FYI, with kernel version 5.9 and 5.10, I have been unable to
> get WiFi on RPi4B 8GB working with 2.4GHz.
> 5GHz works fine without vc4.ko and fails with vc4.ko.
> 2.4GHz WiFi is usable with Raspbian kernel 64-bit 5.10,
> so I am assuming my hardware is OK.
> Since I do not use 2.4GHz WiFi because it gets interfered by my
> microwave oven, I have not spent much time on investigating the cause...
I use 2.4GHz networking, as I have several devices which cannot use
5GHz. And I cannot confirm what you mention. Screenshot provided with
the same image I used yesterday. If you don't want to open an attached
image (I often avoid to): Kernel 5.10.0-3-arm64, specified my wlan
details in /etc/network/interfaces.d/wlan0, and got a working network.
Greetings,
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