KVM Switches

[Foster, ThomasX]

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 at freebsd.org
[mailto:owner-freebsd-questions at freebsd.org] On Behalf Of Brent
Macnaughton
Sent: Thursday, May 06, 2004 8:42 AM
To: 'Ron'; freebsd-questions at 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 at icrsystems.net]
Sent: Wednesday, March 31, 2004 5:20 PM
To: freebsd-questions at 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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