In message <9502011058.AA08475@goldman.gnu.ai.mit.edu>, mycroft@gnu.ai.mit.edu 
writes:
> 
> Tell XFree86 that you have a `BusMouse', not a `PS/2'.
> 
> 

If by this you mean to include the line:

    Protocol	"BusMouse"

in the Pointer section of the XF86Config file, it didn't fix the problem
for me.

Symptom:  running startx brings up a few xterms nicely.  If I leave the
mouse alone, I can enter commands into the window that the cursor happened
to fall upon.  But if I try to move the mouse at all the cursor stays
where it is and now the session is hung.  I have to hit the reset button
to recover.

My kernel configuration file contains the line:
device		pms0	at isa? port "IO_KBD" irq 5

The output of startx is:

XFree86 Version 3.1 / X Window System
(protocol Version 11, revision 0, vendor release 6000)
Operating System: NetBSD 1.0_BETA 
Configured drivers:
  SVGA: server for 8-bit colour SVGA (Patchlevel 0):
      et4000, et4000w32, et4000w32i, et4000w32p, et3000, pvga1, wd90c00,
      wd90c10, wd90c30, wd90c31, wd90c33, gvga, vgawonder, tvga8800cs,
      tvga8900b, tvga8900c, tvga8900cl, tvga9000, clgd5420, clgd5422,
      clgd5424, clgd5426, clgd5428, clgd5429, clgd5430, clgd5434, clgd6205,
      clgd6215, clgd6225, clgd6235, ncr77c22, ncr77c22e, cpq_avga, oti067,
      oti077, mx, al2101, cl6420, video7, generic
Using pcvt driver (version 3.0)
(using VT number 2)

XF86Config: /usr/X11R6/lib/X11/XF86Config
(**) stands for supplied, (--) stands for probed/default values
(**) Mouse: type: BusMouse, device: /dev/pms0, baudrate: 1200
(**) SVGA: Graphics device ID: "Generic SVGA"
(**) SVGA: Monitor ID: "Generic Monitor"
(**) FontPath set to "/usr/X11R6/lib/X11/fonts/misc/,/usr/X11R6/lib/X11/fonts/Type1/,/usr/X11R6/lib/X11/fonts/Speedo/,/usr/X11R6/lib/X11/fonts/75dpi/,/usr/X11R6/lib/X11/fonts/100dpi/"
ATI 88800 graphics controller and ATI 68860 or compatible RAMDAC detected
This is a Mach64 video adapter
(--) SVGA: chipset:  vgawonder
(--) SVGA: videoram: 2048k
(--) SVGA: clocks:  25.20 109.88 126.07 135.10  50.25  56.63  63.01  72.04
(--) SVGA: clocks:   0.00  79.98  75.00  65.04  39.98  44.81  49.47  49.94
(--) SVGA: clocks:  12.60  54.92  63.02  67.53  25.12  28.31  31.50  36.02
(--) SVGA: clocks:   0.00  39.98  37.49  32.51  19.99  22.40  24.74  24.97
(--) SVGA: Maximum allowed dot-clock: 80.000 MHz
(**) SVGA: Mode "640x480": mode clock =  25.175, clock used =  25.200
(**) SVGA: Virtual resolution set to 800x600
(--) SVGA: SpeedUp code selection modified because virtualX != 1024
MIT-SHM extension disabled due to lack of kernel support

Out of desperation, I tried changing the port in the pms0 device line from
"IO_KBD" to "IO_BMS1".  But that made the kernel hang in the boot sequence
when it tried to initialize the device.

====
Wayne Berke