2013/2/6, Nick <suckless-...@njw.me.uk>: > OK, I found the issue. It was a driver bug. Switching to the video > driver in squeeze-backports fixed things completely, and as a bonus > redrawing in everything (not just in st) is much quicker now.
You can also try add Option "AccelMethod" "SNA" in your xorg.conf to enable new 2d acceleration system.