For people who were interested in observing VSYNC/VBLANK interrupts from
userspace there is an experimental implementation for radeons on
http://gatos.sf.net/ in CVS - module "km". Support for rage128 and mach64
chips would be easy to add if interested developers with these cards will
ask - I did not do it yet so as to limit places I need to update if any
api changes come about.

On how to use see km.actual.rfc.txt and test1.tcl, in the same CVS, module
"km".

Comments and feedback are quite welcome.

                          Vladimir Dergachev

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