Mouse problems with KVM switch

[Mattias Björk]

Hi,

Leonard Zettel wrote:
> On Thursday 19 August 2004 04:55 pm, hoe-waa at hawaii.rr.com wrote:
> 
>>From: thrawn <mattias.bjork at sydnet.net>
>>Date: Thursday, August 19, 2004 6:18 am
>>
>>
>>>Hi,
>>>
>>>I have just brought this KVM switch:
>>>http://www.level1.com/products3.php?sklop=20&id=590430
>>>
>>>But Im having major problems with getting the mouse to work under
>>>FreeBSD. Even the keyboard does not work sometimes. This KVM switch
>>>has
>>>support for hotkey and also supports emulation on both mouse and
>>>keyboard.
>>>When I boot up my system and see the BIOS on the computer the
>>>keyboard
>>>works just fine. Then when it continues to boot and comes to the
>>>loader,
>>>it still works. And the it starts to load the kernel. But then when
>>>i
>>>get to the login prompt the keyboard does not work.
>>>
>>>And sometimes even thought I stay with the computer the hole boot
>>>process I can't even use the keyboard. So I have to use ssh to
>>>login to
>>>the computer and make it reboot to regain the keyboard. I have also
>>>tried to change the cables but I get the same results. And It works
>>>with
>>>no problems under Windows XP Pro.
>>>
>>>The system that im using is FreeBSD 5.2.1-p9, at least on this system.
>>>
>>>I  have also two other computers that Im running FreeBSD-stable on.
>>>On
>>>one of my FreeBSD-stable machines I have hade a working mouse under
>>>X
>>>Windows System (Xorg latest from ports).
>>>
>>>But then I rebooted the system and when I started xdm, it found the
>>>mouse but when I move it around It didn't move like it should. It
>>>took
>>>some seconds before it moved and it did not move like it should,
>>>jumps
>>>several ramdom cm/inches on the screen (Perhaps in the direction
>>>that I
>>>move the mouse im not sure). Its on usable in other words.
>>>
>>>I have also tryied to use moused under FreeBSD but I get the same
>>>fault/problem. I also have a problem if I do not have this machine
>>>selected when I boot. Then when I switch to it when the boot of the
>>>FreeBSD system has complete, The screen on the monitor just blinks.
>>>
>>>Still the keyboard works because I can press two times Left Ctrl
>>>and
>>>then 1 to 4 to change the computer Im controlling. This I can not
>>>do
>>>with the FreeBSD 5.2.1-p9 system I can only see the screen but have
>>>to
>>>change the computer im controlling by pressing the button on the
>>>switch box.
>>>
>>>I have tried to remove the cables and put them back again. But that
>>>does
>>>not help, the only solution I can see is to reboot the system and
>>>let it
>>>boot with it selected. I have also booted up with the mouse
>>>directly
>>>connected to the computer. Then when the system boot was completed
>>>I
>>>moved the mouse around to see that it did work. After that I
>>>plugged
>>>back the cable from the switch in to the computers mouse port. And
>>>the
>>>plugged the mouse back in the switch box, that did not work either.
>>>
>>>I have also added flags to both psm0 and atkbd in my kernel config:
>>>
>>># atkbdc0 controls both the keyboard and the PS/2 mouse
>>>device          atkbdc0 at isa? port IO_KBD
>>>device          atkbd0  at atkbdc? irq 1 flags 0x0
>>>device          psm0    at atkbdc? irq 12 flags 0x0
>>>
>>>I have also tried with the flags set to 0x100 on both atkbd0 and
>>>psm0,
>>>but that doesn't seem to make any diffrance. I have done this on my
>>>FreeBSD 5.2.1-p9 box as well. I have also changed it in:
>>>
>>>/boot/device.hints
>>>
>>>But I don't get it working correctly either by that.
>>>
>>>Does anybody have a clue or have hade any similar problems and/or
>>>who
>>>could shine some light on this problem?
>>>
>>>Mvh Mattias Björk
>>
>>Aloha Mattias
>>
>>This all sounds familiar. I too had a lot of trouble
>>with a KVM switch. Actually, I tried two with the same
>>problem you are alluding to.
>>
>>I came to the conclusion that the mouse will not work
>>through the KVM switch using FBSD, or at least I never
>>got it to.
>>
> 
> Duh.  All this newbie can add is that of all the dropped balls
> and blind alleys I have experienced wrestling with FreeBSD,
> problems with my four port KVM switch have not been among
> them. Make of said switch is lost in the mists of time - it is
> whatever CompUSA sells.  I have a Logitech track ball;
> It and the keyboard have functioned well through various
> permutations of 5.1, 5.2, and 4.10, native and under KDE.
>   -LenZ-

What you are saying In short is that you did not experince any problems?

> 
>>I have two computers that are both running 5.2.1
>>
>>I have connected a mouse directly to each computer.
>>I still had to shutdown both computers and connect
>>the cables for the monitor and keyboard from each to
>>the KVM. I also connected and old mouse to the output
>>of the KVM.
>>
>>With all this connected, I then powered up both computers. All seems to
>>work fine with the inconvenience of having to use 2 meese. I seldom have to
>>go into one
>>fo the computers, so I can live with it.
>>
>>This is probably not the answer you were looking for
>>but you were also looking for others who had problems.
>>
>>Best of Luck
>>Robert
>>
>>
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> 
>

Thanks for the answer.

Mvh Mattias Björk