MM on RPi3 is Extremely Slow

[raspberrypi9]

I am running MM on a RPi3B. I thought that it was freezing because after 10 minutes of running normally, the clock module will stop ticking and then the whole system becomes unresponsive. I tried ssh’ing into the box and after minutes, I got a prompt and was able to execute an ‘ls’ command, so I know the system is alive and just moving very slowly. The MM display still doesn’t update.

I was wondering if anyone had tips on how to get MM running smoothly on a RPi3B? I don’t want to switch to a Pi4 or Pi5 because they don’t support changing the brightness (and the Pi3B does) and this is a critical feature for me.

Thank you so much for your help.

[sdetweil]

@raspberrypi9 what os are you running?

should be 32 bit legacy ibthink

[raspberrypi9]

@sdetweil I’ve tried it with Bullseye 32-bit and Bookworm 64-bit

[sdetweil]

@raspberrypi9 do
free -m

this will tell you how much memory and swap space you have and are used.

swap on sd cards is terrible