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,
