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From: Anonymous <swell.k@gmail.com>
To: Alexander Best <arundel@freebsd.org>
References: <20110121182340.GA80488@freebsd.org>
Date: Fri, 18 Mar 2011 17:34:49 +0300
In-Reply-To: <20110121182340.GA80488@freebsd.org> (Alexander Best's message of
	"Fri, 21 Jan 2011 18:23:40 +0000")
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Cc: freebsd-usb@freebsd.org
Subject: Re: Problem with mouse during high CPU load
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Alexander Best <arundel@freebsd.org> writes:

> i've reported this issue quite a while ago [1], but back then nobody was able
> to help me. i have an issue with my usb mouse. when there's a high CPU load it
> produces random mouse clicks. this doesn't happen on other OSes. i've attached
> a different usb mouse to my freebsd box and i could't observe the same
> behavior. so it seems this problem is only related to specific mice.

I'm curious, can you reproduce it without moused(8), i.e. specifying
/dev/umsN in xorg.conf rather than /dev/sysmouse.

This may be unrelated but my mx518 mouse produces random clicks when I
move it very quickly and using moused(8), no clicks when not.

>
> back then hps@ guessed that my mouse requires a certain polling rate from the
> host. during high cpu load the host couldn't keep up the polling rate and thus
> the mouse starts producing wrong output.