>>>>> "Mark" == Mark Weaver <Mark_Weaver@brown.edu> writes:

  Mark> I've extensively used the 3.1 binaries under both NetBSD-1.0R
  Mark> and NetBSD-current without any such lockups.  I'm using the
  Mark> Mach32 server.

  Mark> Which one are you using?

S3, but that should not affect the keyboard driver. Again, a full
rebuild seemed to fix the problem.

I'm also using a serial 3-button mouse in Mouse Systems mode.
-Rens