This test case is to be carried out on a Raspberry Pi Compute Module 3+.
Follow the installation steps at
IoT installation media
-
After logging in, run
systemctl status, and look at the
"State:" reported at the top of the output
-
State should be reported as "running". In particular, it should
not read "degraded".
-
Run
sudo flash-kernel
-
Exit code is clean (0) and no error messages are reported
-
Run
sudo reboot
-
System reboots successfully to a login prompt
-
Run
sudo shutdown -h now
-
System shuts down in a reasonable time (less than a minute)
-
Check output of
free -h
-
Reported "Mem" under "total" is consistent with a
Raspberry Pi Compute Module 3+. It should be in the region of 800-1000MB.
-
Perform a large (300-600MB) file copy to USB storage
- Generate a large (500MB) file:
dd if=/dev/urandom of=rubbish
bs=1M count=500
- Insert a USB stick (appropriately sized) into a spare USB port
- Make a mount directory:
sudo mkdir /mnt/stick
- Mount the stick:
sudo mount /dev/sda1 /mnt/stick
(modify mount-point as necessary; check sudo dmesg
output if unsure)
- Copy the file:
sudo cp rubbish /mnt/stick/
- Unmount the stick:
sudo umount /mnt/stick
- Remove the stick from the USB port
- Re-insert the stick into the USB port
- Re-mount the stick:
sudo mount /dev/sda1 /mnt/stick
(again, adjust mount-point as necessary)
- Compare the copied file to that on the stick:
cmp rubbish
/mnt/stick/rubbish
-
cmp returns 0 and outputs nothing, indicating the files are
identical
-
Connect a USB keyboard to one of the USB2 ports
-
Verify that keys typed on the keyboard appear on the console
-
With an HDMI monitor that supports audio, and an available MP3 file:
- Install ffmpeg and amixer with
sudo apt install ffmpeg
alsa-utils
- Find the correct card name for the HDMI port:
cat /proc/asound/cards and note the name in [brackets]
for the HDMI port
- Attempt to play your MP3 file with:
ffmpeg -i
music.mp3 -f alsa default:CARD=name
substituting name for the card name found during the
previous step, and music.mp3 for your choice of MP3 file,
e.g. mpg321 -o alsa -a hw:0,0 "Jeff Wayne - War of the
Worlds.mp3"
- Use Ctrl+C or q to end playback early, if you
wish
- If you cannot hear anything, first check that the mixer's volume is
not set too low; run alsamixer, and adjust the volume
(J for down, K for up) before exiting
(Esc) and retrying playback
- Audio can be heard through the device
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.
