Hi, take a look at the build doc: https://docs.armbian.com/Developer-Guide_Build-Preparation/ You could try to build the kernel only, typically you get the latest version of the stable branch ./compile.sh kernel EXPERT="yes" BOARD=helios64 ARTIFACT_IGNORE_CACHE='yes' BRANCH=current

I am encountering similar issue in Allwinner-H618 based Kickpi-K2B board. Over the time, the video play stops with frozen frame display. The freeze is caused by the audio clock drifting from the video clock over time — and that drift happens during the video segments. have you (anyone) found the solution for this?

@Alex Ling That's weird. It's about 15% performance bump in theory. How GPU lock was show in...like Mangohud?

I tried editing /boot/boot.cmd and recompiling. my changes did persist (I saw 'echo' worked) but it doesn't seem like my scsi scan trick worked. interrupting boot and just going straight into the above steps worked. so i think I need to edit boot.cmd to skip all the boot code for hc4 and just 'scan' then 'boot'. https://docs.armbian.com/User-Guide_Advanced-Configuration/

@KhanhDTP, I've tried the 1GHz GPU patch but so far I do not see much performance boost with it. I tested Silk Song, Hitman: Absolution, Mario Kart 8