[vox-tech] FYI: Trick to get around 2.6.8 kernel "mousedev" bug for Wacom use on Thinkpad T20

[Troy Arnold]

On Sat, Oct 08, 2005 at 03:12:20PM -0700, Bill Kendrick wrote:
> 
> In the MEANTIME, I decided that if Melissa can live with one or the other
> input device, I may as well set that up.  Unfortunately, XF86Config-4 was
> set up to use "/dev/psaux" (the built-in mouse, using "mousedev" and "psmouse"
> kernel drivers) as a "CorePointer", so if we disable "mousedev" and try to
> restart X, it will refuse.  "No mouse?  No X for you!"
> 
> Well, I'm sneaky, so I created a NEW device in X's config, called
> "Dummy Mouse".  It's almost identical to the "/dev/psaux" one, except
> it simply points to "/dev/null".  Man, I love Un*x!
> 
> Set up "Dummy Mouse" as a 'CorePointer', and give the PS2 mouse an
> "AlwaysCore" option in my ServerLayout (instead of setting up as
> 'CorePointer'), and voila!  I can load (modprobe) and unload (rmmod) the
> "mousedev" kernel module as needed, and X will restart happily!

Nice.  I do like that hack.  However, enabling the option:
Option "AllowMouseOpenFail"
in the InputDevice section for your ps2 mouse should have worked.

-t