Comment 9 for bug 1848790

Revision history for this message
Adam T (tiermann) wrote : Re: USB not working under arm64 on Pi4

Setting total_mem=2048 in /boot/firmware/usercfg.txt allowed me to boot Pi4 4GB with 19.10 64bit with working USB. Of course I have less RAM now, but working USB.

Likely the above patch will fix it.