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Date:      Tue, 08 Jan 2002 23:07:01 -0500
From:      Scott <scottro@nyc.rr.com>
To:        Erik Moe <emoe@mmcable.com>, hardware@FreeBSD.ORG, questions@FreeBSD.ORG
Subject:   Re: KVM switch problems and FreeBSD
Message-ID:  <5.1.0.14.0.20020108230125.00c53c60@pop-server.nyc.rr.com>
In-Reply-To: <3C3A607E.F9358D5A@mmcable.com>

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At 20:59 2002/01/07 -0600, Erik Moe wrote:
>Hello,
>
>I'm having trouble with a new Logitech optical mouse when it is
>connected to a Belkin OmniView KVM switch.  I previously used an old
>Microsoft two button mouse which had no problems.  Here is the
>situation, when I boot my FreeBSD machine (4.3-RELEASE) the mouse
>initializes and works just fine with both moused and XFree86 3.3.6.
>However, when I switch the KVM to another system and then switch back
>again, the mouse cursor dances all over the screen and random mouse
>button presses are registered.  Also, I get the following system
>messages:
>
>psmintr: out of sync (0000 != 0008)

Welcome to the club.  :)  This has been problematic for awhile--when I 
first began using FreeBSD,  I diligently searched for answers on google and 
deja, and at one point saw that whoever was actually working on it was 
ready to throw up his hands in disgust (that was an older post, though, 
don't know about the upshot).

Recompilation with the 0x800 (or was it 500, I've forgotten already) seems 
to have limited success (judging from much searching the web).  Some folks, 
however have had success doing that.

In general, I've found that if I have the KVM focused on the BSD box from 
boot up through starting X, I've then been able to switch back and 
forth.  (Not always, however)

On the other hand, I do have moused disabled--I don't know if that's a 
factor or not.
Ironically, when I first had the trouble, I thought it was due to a lowend 
KVM and was going to buy a Belkin, till websearching made me realize that 
it wouldn't help.

However--at work, I use a Belkin Omnipro (at home, a cheap Dlink something) 
and again, if I boot into the box while the KVM is focused on it, and start 
X, I'm alright.

I'm using an MS optical rather than a Logitech--however, changing from 
optical to a normal mouse also didn't help.

Scott Robbins


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