Re: KVMs and the 2.6 Kernel
I have a Win2k box and three Debian boxes (2.4x1 2.6x2) on an IOGear
Miniview Micro 4 port KVM and it works great.
It uses a three key stroke Ctrl, then Alt, then Shift to switch. It took a
while to get the right timing but now it switches w/o a prolblem.
I use the same at home again with 2.6 kernel boxes.
>Hal Vaughan on 25/04/06 08:06, wrote:
>> I've posted before about some mouse problems with the 2.6 kernel. I've
>> finally tracked it down to the KVM. Right now I'm using a 4 port KVM
>> that was never any problem until the 2.6 kernel. Now that I know that
>> the flakey mouse behavior I'm experiencing is from the KVM, I want to
>> replace it. I have heard about people using KVMs with the newer
>> kernels without problems. (I'm currently using Sid with the 2.6.15
>> kernel, but may be using Ubuntu on a few when Dapper Drake comes out.)
>> I'm using a Logitech keyboard/mouse combo, both cordless. The mouse is
>> optical and I do use the scroll wheel a lot (that's where the problem
>> is). I don't know if that makes a difference, but it might be worth
>> I am hoping to move to an 8 port KVM. I usually work with some of my
>> systems through ssh, but it would be nice to be able to have 8 ports so
>> I can switch over when needed. If necessary, though, I can use a 4
>> port. If possible, I'd like to find one with an on screen display. It
>> isn't necessary, but it would be helpful. A quick change time would be
>> helpful, as well. While the 2-6 seconds my current KVM doesn't sound
>> like much, when I'm testing software and have to switch back and forth,
>> it can be a pain.
>> 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
>I'm using Belkin Omni, now into its 5th year. It's had its fair share of
>problems, but with the latest upgrade of udev, I think it's OK again.
>The worst problem when switching to my linux box (testing on 2.6.12) was
>that I would have to pull the mouse cable out of the KVM and push it
>back in, then linux would register it again.
>Now it does it, but there's a 1 or 2 second pause which to me is
>acceptable. On windows there's no pause.
>Unfortunately the Belkin Omnicube I bought was one of the last models
>they sold without flashable ROM. I think if it had flashable ROM, I
>could upgrade the ROM and get rid of the problem.
>So there you go. I'm happy, but you might not be. I'd say, make sure you
>can return the KVM you buy in case it doesn't meet your requirements,
>and try another.
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Craig - ><>
o BU SysAdmin
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