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Re: KVMs and the 2.6 Kernel



Hal Vaughan wrote:

<snip>

> If anyone is using KVMs that work well with the 2.6 kernel, I'd like to
> hear what works, what kind of mouse and keyboard you're using and if
> there are any problems.  I've seen some good ones on New Egg, with
> reviews that said they've used Linux, but the kernel version is never
> mentioned.
> 
> Thanks for any recommendations of what to use or avoid or any
> experiences anyone can share about KVMs and the 2.6 kernel.
> 
> Thanks.
> 
> Hal

I am running 2.6.14, 2.6.16, Hurd/L4 and Windoze XP with a 4 port kvm
without any problems whatsoever. My mouse is a logitech mx700 and the
keyboard one of those weird shaped MS ergonomic keyboards, with a ps2
cable.
The device I am using is called 'newstar' and it is a relatively cheap
not-so-profrssional-kind-of-thingie. More info can be found on
www.newstar.nl

In the past I have encountered all kind of weird mouse problems with kvm's,
including problems with Rose and other very expensive boxes.

The most problems where caused by MS optical, wheel, 'many-buttons', kind of
mice, in combination with switching (kvm) and the x11 mouse driver of
choice. I have on a few occasions had keyboard problems arising from
key-combinations used to switch the kvm from the keyboard itself.

I don't believe that the kernel version has anything to do with your
problems.

You may however experience a behaviour you don't understand due to udev
(which was introduced somewhere in the 2.6.X era. I don't remember when) or
some of the new x11 drivers available for more advanced mice.

A quick fix for many kvm/mouse problems is to run the very basic ps2 mouse
driver in X. You'll give up all the wild features but have a working mouse.

Otherwise try sort out what udev (or hotplug maybe) does with your mouse.

Best regards
Jan
 


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