Mtrr

From CourvilleWiki

mtrr fix for avoiding excessive cpu load

Normally region 03 of /proc/mtrr only have 8 MB of write-combining set up by the BIOS. The issue is that the framebuffer memory is 32MB large. Thus most of the video playback buffers reside above 8MB. For the moment XFree is confused (will potentially be fixed in the future). The easier fix for the moment is to disable zone 03:

echo "disable=3" > /proc/mtrr