Raspberry Pi4B - the green activitiy light does not blink

On all other Linux ports I have tried, the 2 led’s near the sd card slot, the red goes out as Linux boots and the green light blinks about every other second - maybe with ethernet activity.

On openSUSE 15.3 the red light stays on - only on power on and the boot starts the green light blinks twice and never again.

Any fixes for this or is this just the way it is.

I would suspect same with RPi3, the red led is for power, green for sd card (USB?) access. On the RPi3 I see the green led flash on power off when it syncs else no other activity.