I get a second pointer (that I can't even move) when
running xf4vnc under Gentoo's XFree86.
I also got this strange behaviour under Debian unstable
(with XFree86 4.3 from experimental).
XFree86 Version 4.3.0
Release Date: 27 February 2003
X Protocol Version 11, Revision 0, Release 6.6
Build Operating System: Linux 2.6.0-gss i686 [ELF]
Build Date: 03 January 2004
Before reporting problems, check
to make sure that you have the latest version.
Module Loader present