Well, I've rewrite the img using windows image writer, update the firmware using "pacman -Syu" instead of "rpi-update".Now everything goes fine with me.I guess the problem is the rpi-update script. BTW, if I don't need the graphics,how small the gpu_mem can be set to use the memory as little as pos...

Have you tried using raspi-config to do this task? Whilst that tool normally just runs on the very first boot of a fresh raspbian image it can be rerun later via: sudo raspi-config and select the "memory_split" option. Trev. Thanks for your reply. That's how I first got the config.txt. I just teste...

A short update from my part: Tried older firmware (March 4th) using rpi-update, didn't make a difference. Back to the new firmware now, still no change in GPU memory. Although I don't think it's that relevant, I'm using Raspbian, bootstrapped it myself. The RPi has a samsung chip. I'm baffled. I mus...

Same here, I registered so I could create a thread, but then I saw yours. I can't get neither the gpu_mem nor the gpu_mem_512 to work. The other settings in config.txt work fine (overscan, sdtv_mode, etc). Seems like bootcode.bin doesn't correctly do it's job somehow. As far as I know, I'm at the la...