*BSD News Article 21962


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From: mycroft@duality.gnu.ai.mit.edu (Charles Hannum)
Newsgroups: comp.os.386bsd.questions
Subject: Re: Mouse problem...XFree86-1.3 on NetBSD 0.9
Date: 06 Oct 1993 10:22:34 GMT
Organization: MIT Artificial Intelligence Lab
Lines: 20
Message-ID: <MYCROFT.93Oct6062234@duality.gnu.ai.mit.edu>
References: <5OCT93.04385139@tifrvax.tifr.res.in>
NNTP-Posting-Host: duality.gnu.ai.mit.edu
In-reply-to: bhiksha@tifrvax.tifr.res.in's message of Tue, 5 Oct 1993 04:38:51 GMT


In article <5OCT93.04385139@tifrvax.tifr.res.in>
bhiksha@tifrvax.tifr.res.in writes:

   When i use a logitech 3-button mouse, (with the default XConfig),
   i get very odd response: the cursor movements are staccatto and
   dont seem to correlate to the mouse motions very much. Also, the
   machine seems to be receiving a lot of button-clicks, even though i
   dont touch the buttons and the screen goes haywire.

This is odd.  These are symptoms of two things:

* Using the wrong minor device number number.  The mouse should have
minor number 1, not 0.  The MAKEDEV script gets this right.

* There is a bug in XFree86 related to the boundary condition of
negating -128, which causes large horizontal motions to cause spurious
button clicks.  This has been worked around in the NetBSD drivers.
Are you using the ones supplied in the NetBSD distribution?