When I last tried an install of LCDproc on OpenBSD with a serial-interfaced CrystalFontz back in 2005, I had to add additional serial port ioctls in "CFontz.c" to make it work. I submitted diffs back to the LCDproc developers.
There were also some minor output/formatting issues with the OS status screens, these would be independent of the LCD driver. I'll give this latest port a try and see if it drives my CrystalFontz correctly now. Kevin