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Date:      Thu, 6 May 2004 15:05:09 -0700
From:      Gary Kline <kline@thought.org>
To:        "Foster, ThomasX" <thomasx.foster@intel.com>
Cc:        Ron <ron@icrsystems.net>
Subject:   Re: KVM Switches
Message-ID:  <20040506220509.GD73842@tao.thought.org>
In-Reply-To: <C96CF509350DEC44895435C5BC929B840EC0F4@orsmsx405.jf.intel.com>
References:  <C96CF509350DEC44895435C5BC929B840EC0F4@orsmsx405.jf.intel.com>

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	Please excuse my top-posting.  But again, the following
	messages show why this list is a major *plus++.

	I spent  hours digging into various protocols trying 
	to figure out why my mouse went heywire on my new
	platform.  From what I read below, it may be my KVM 
	switch.

	I've got a Belkin KVM, Logitech 3-buttom mouse, and IBM
	keybd.   Go figure...

	gary


On Thu, May 06, 2004 at 10:51:53AM -0700, Foster, ThomasX wrote:
> Does your mouse exhibit the behavior of spitting out sync errors from
> the console and sticking in the upper corner of your monitor?
> 
> I had this exact problem with an Intellimouse Optical and an Apex
> Outlook KVM.  There seems to be an issue with most KVMs not passing the
> protocol correctly when being switched, and psm has issues resyncing.  I
> finally resolved the issue by adding the following flags to my device
> hints file for my specific kernel:
> 
> hint.psm.0.flags="0x100"
> 
> I then enabled device hints in my kernel conf:
> 
> hints           "mycustomkernel.hints"
> 
> I recompiled my kernel and have had no problems since.  My mouse now
> works great between my FreeBSD server and my Linux Workstation on the
> Apex KVM.
> 
> Hope this helps.
> 
> Thomas Foster
> http://www.section6.net
> 
> 
> -----Original Message-----
> From: owner-freebsd-questions@freebsd.org
> [mailto:owner-freebsd-questions@freebsd.org] On Behalf Of Brent
> Macnaughton
> Sent: Thursday, May 06, 2004 8:42 AM
> To: 'Ron'; freebsd-questions@freebsd.org
> Subject: RE: KVM Switches
> 
> I am willing to wager that it is the KVM switch itself that is the
> problem.
> I have had a few problems KVM switches before.
> 
> 1) We have a Compaq Proliant 1600. On certain KVMs, the keyboard world
> drop
> keystrokes. It was impossible to use. I switched the KVM out with a
> cheap 2
> port Hawking unit and it worked fine. 
> 
> 2) We have a Compaq KVM (a very expensive rack-mountable server class
> unit).
> It works great, or so we thought. The other day, we swapped out a two
> button
> mouse with a wheel-mouse. Guess what? Doesn't work at all. The mouse is
> fine, it just won't work through the expensive Compaq KVM. 
> 
> Are you using Compaq hardware at all? Maybe that is your problem :)
> 
> Another thing to mention... When you are booting your FreeBSD box, make
> sure
> you are switched to that box and watch it boot. If you are switched to
> another computer when the mouse daemon loads, I have found that the
> mouse
> won't function at all.
> 
> Brent.
> 
> -----Original Message-----
> From: Ron [mailto:ron@icrsystems.net]
> Sent: Wednesday, March 31, 2004 5:20 PM
> To: freebsd-questions@FreeBSD.ORG
> Subject: KVM Switches
> 
> 
> Need information on how to get a KVM switch to work with the FreeBSD
> mouse
> driver.
> 
> The Monitor and keyboard work fine but I have to hook a mouse directly
> to
> the box for it to work.
> 
> Thanks,
> 
> Ron Martin
> 
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-- 
   Gary Kline     kline@thought.org   www.thought.org     Public service Unix



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