Re: erratic optical mouse behavior with 2.6.5 kernel

From: J.O. Aho (user_at_example.net)
Date: 04/20/04 

Date: Tue, 20 Apr 2004 20:56:07 +0200

Jeffrey Cunningham wrote:

> Thanks for the response. I tried your suggestion, but it seems it was
> already running with a nice value of 0. I'm pretty much convinced that
> there is some kind of resource conflict going on. I've determined that it
> only happens if I move the mouse while there is disk or ethernet activity,
> otherwise it behaves itself.

I have have the following setting on my XF86Config

Section "InputDevice"
         Identifier "Mouse0"
         Driver "mouse"
         Option "Protocol" "IMPS/2"
         Option "Device" "/dev/mouse"
         Option "ZAxisMapping" "4 5"
EndSection

My cordless and optical mouse works like a dream, don't have any problems
while I/O activity is high.

The following options have been set in the 2.6.5-gentoo-r1

CONFIG_INPUT_MOUSEDEV=y
CONFIG_INPUT_MOUSEDEV_PSAUX=y
CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
CONFIG_INPUT_MOUSE=y
CONFIG_MOUSE_PS2=y

Sadly the ChangeLog that Gentoo uses suxx when it comes to information, as it
don't take up anything about a bug in the 2.6.5-gentoo ebuild (this one didn't
want to work with the nVidia driver) and that usually the case with the
CahngeLog for other ebuilds too.

If you use an USB mouse, then the updated usb stuff can be the problem, there
seems to be stuff that was supported and worked well under 2.4, don't work
under 2.6 (first with version 2.6.4 did I get myt I-Bead MP100 mp3 player to
work).

If you have a cordless, then check your batteries, as almost run out batteries
can give quite funny results sometimes.

  //Aho

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