This test case is to be carried out on a Raspberry Pi 4 2GB. Follow the installation steps at IoT installation media
sudo flash-kernel
sudo reboot
sudo shutdown -h now
free -h
dd if=/dev/urandom of=rubbish bs=1M count=500
sudo mkdir /mnt/stick
sudo mount /dev/sda1 /mnt/stick
sudo dmesg
sudo cp rubbish /mnt/stick/
sudo umount /mnt/stick
cmp rubbish /mnt/stick/rubbish
cmp
sudo apt install mpg321 alsa-utils
cat /proc/asound/cards
mpg321 -o alsa -a hw:num,0 music.mp3
mpg321 -o alsa -a hw:0,0 "Jeff Wayne - War of the Worlds.mp3"
alsamixer
ip addr
ping google.com
/etc/netplan/wifi.yaml
network: version: 2 wifis: wlan0: dhcp4: true access-points: my-ssid-here: password: my-password-here
sudo netplan apply
If all actions produce the expected results listed, please submit a 'passed' result. If any action fails, or produces an unexpected result, please submit a 'failed' result and file a bug. Please be sure to include the bug number when you submit your result.
tested on rpi2, rpi3, rpi3a+, rpi3b, rpi3b+, cm3, cm3+, rpi4 (1,2,4GB)