X pausing until mouse move (collecting commonalities)

[Kevin Oberman]

> From: Jung-uk Kim <jkim at FreeBSD.org>
> Date: Wed, 26 Mar 2008 16:54:07 -0400
> Sender: owner-freebsd-x11 at freebsd.org
> 
> On Wednesday 26 March 2008 12:50 pm, Joe Marcus Clarke wrote:
> > I'm trying to get a list of commonalities to better focus my
> > troubleshooting.  So far, my two machines that are affected have
> > the following in common:
> >
> > GNOME 2.22 (with hald)
> > nVidia graphics card (though different drivers)
> > PS/2 mouse
> > dual core
> > ULE scheduler
> >
> > My one machine that is not affected differs from this in that it
> > has an Intel graphics card, USB mouse, and is not dual core (but
> > HTT).
> >
> > It looks like Coleman has a PS/2 mouse as well.  It's starting to
> > look like the mouse technology might have something to do with
> > this.  Anyone seeing this problem with a USB mouse?
> 
> I think I know why.  Build xorg-server without HAL support option and 
> the attached patch.  With HAL support (default) and hald running, 
> xorg-server auto-detects individual ports with input.mouse capability 
> even without configuration lines in xorg.conf.  If moused is enabled 
> and USB mouse is used, /dev/ums0 is directly used because there is a 
> problem in MD code (see attached patch).  If moused is enabled and 
> PS/2 mouse is used, you end up with two input devices 
> via /dev/sysmouse and /dev/psm0.  I couldn't find a cleaner way to 
> fix this problem, though. :-(
> 
> Jung-uk Kim
> 

So this explains the problem, but it still means that, if it is not
fixed, I can't run hald...and I want to run hald. I'm trying to think of
a way around it, but it's not obvious. Any answer is probably not
going to be clean as people might like, either.
-- 
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman at es.net			Phone: +1 510 486-8634
Key fingerprint:059B 2DDF 031C 9BA3 14A4  EADA 927D EBB3 987B 3751
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