Michael wrote:
Hey

> 
> No, the box runs multiuser and the Xserver as root. Only one single
> mmap() fails - the others which map the linear framebuffer, voodoo3
> specific registers and so on work - but succeeds when using a different
> file descriptor on /dev/mem. The file descriptor XFree uses isn't
> corrupted or anything, it's just picky about this single memory range
> for some weird reason.

a mem protect somewhere ?

-R