Mouse problems

Eduardo Viruena Silva mrspock at esfm.ipn.mx
Thu May 1 22:01:07 PDT 2003


> On Thursday,  1 May 2003 at 21:21:39 +0200, Martin Kruse Jensen wrote:
>> Hi there,
>>
>> I have some problems with my mouse; When I move it in console, I get a
>> lot of messages like the following:
>>
>> May  1 21:12:41 ws /kernel: psmintr: out of sync (0028 != 00c8). May
>> 1 21:12:41 ws /kernel: psmintr: discard a byte (1).
>> May  1 21:12:41 ws /kernel: psmintr: out of sync (0000 != 00c8). May
>> 1 21:12:41 ws /kernel: psmintr: discard a byte (2).
>> May  1 21:12:41 ws /kernel: psmintr: out of sync (00e8 != 00c8). May
>> 1 21:12:41 ws /kernel: psmintr: discard a byte (3).
>>
>> When I try to run X the mouse jumps to the top right corner. Anyone
>> know how to fix this?
>
> That depends on which version of FreeBSD you're running.  On earlier
> versions you had to reboot.  More recent versions can recover by
> themselves.  In case of doubt, stop X and restart it.
>
> This normally happens when you lose a number of interrupts, either
> because the system is overloaded or because you disconnected the
> mouse.  In the latter case, "don't do that, then".  In the former
> case, if you find the mouse is reacting very sluggishly, usually an
> indication of heavy interrupt load, don't use it until the interrupt
> load drops a bit.
>

yes, it happens when you disconnect your mouse or when your
mouse is not correctly plugged.  Check it.

I have a switch [TRENDnet, TK-200, KVM switch] that let me have one monitor,
one keyboard and one mouse and two computers connected to them.
I get these messages when one of the computers boots and the switch is
not selecting it.

What I find odd is that it didn't happend in FreeBSD 4.x and the first time
I saw the messages was in FreeBSD 5.0


> On Thursday,  1 May 2003 at 17:01:49 -0400, John Bleichert wrote:
>> On Thu, 1 May 2003, Martin Kruse Jensen wrote:
>> <snip>
>>>
>>> When I try to run X the mouse jumps to the top right corner. Anyone
>>> know how to fix this?

When this happens to me the mouse simply does not respond.
I agree with Greg,  monitor frequency and mouse control are completely
independent.

>>
>> I've had this happen if the frequencies chosen for my monitor in
>> xf86config are not exactly correct.
>
> Was it also the night before the full moon?  There are all sorts of
> coincidences.  But the monitor frequency doesn't have anything to do
> with this problem.
>
> Greg
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