weird mouse movement in 2.6.0-test9

weird mouse movement in 2.6.0-test9

[Georg Nikodym]

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Lately, I've been noticing the mouse cursor ever so slightly moving
around as I type.  I was beginning to wonder about my beer intake when I
discovered that I can hold a modifier like shift or control and watch
the mouse cursor dance around the screen.  Doesn't happen all the time
but often enough that if you have a similar problem you won't have any
trouble reproducing.

It looks as though there's an entity in the input subsystem that
normally ignores spurious noise from the mouse.  This "noise
suppression" seems to be disabled when handling key presses.

Some details.  The mouse is a basic logitech wheel mouse connected via
usb to a dell i8k laptop.  To rule out the touchpad/keyboard clitorus, I
can disconnect the mouse and the problem stops.

So has anybody else seen anything like this or should I be seeking
therapy?

-g

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Re: weird mouse movement in 2.6.0-test9

[Peter Berg Larsen]

On Tue, 28 Oct 2003, Georg Nikodym wrote:

> Some details.  The mouse is a basic logitech wheel mouse connected via
> usb to a dell i8k laptop.  To rule out the touchpad/keyboard clitorus, I
> can disconnect the mouse and the problem stops.
>
> So has anybody else seen anything like this or should I be seeking
> therapy?

I have seen this on my i8k since bios a18. The stick generates random
moves and clicks when I press and hold a key. (The moves/clicks are
indistiguishable from real stick usage)

Peter

Re: weird mouse movement in 2.6.0-test9

[Georg Nikodym]

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On Tue, 28 Oct 2003 15:58:26 +0100 (CET)
Peter Berg Larsen <pebl@math.ku.dk> wrote:


> I have seen this on my i8k since bios a18. The stick generates random
> moves and clicks when I press and hold a key. (The moves/clicks are
> indistiguishable from real stick usage)

Mmm.  Seems you're right.

So I grabbed the latest synaptics stuff (from a couple of days ago) and
updated my XF86Config-4.  There I discovered that I am not crazy just
stupid.

I had an (InputDevice) entry looking at /dev/input/mice, another one
looking at /dev/input/eventX and a third looking at /dev/psaux. Removing
the cruft and updating the synaptics entry has fixed my problem.

Sorry for the noise.

-g

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