USB mouse continually disconnects and reconnects

[Leigh Honeywell]

On Mon, Nov 02, 2009 at 12:44:20PM -0500, Bob Jonkman wrote:
> Hi all:  I have a Logitech optical mouse plugged into a USB port.  Evey 
> so often the LED goes out, and the mouse becomes completely 
> unresponsive.  Sometimes it comes back by itself after a fraction of a 
> second; sometimes I have to unplug and re-plug the mouse, and sometimes 
> I have to plug it into a different USB connector.
> 
> What causes this, and how can I fix it?
> 
> For your reading pleasure, I provide some sample entries from my system 
> log monitor.  I found these under 'kern.log' as well as under 'messages' 
> and 'syslog'.  For these three instances the mouse recovered on its own, 
> without unplugging/replugging.
> 
> This is currently Ubuntu 9.10 (upgraded daily from a Karmic Alpha6 
> install), but it also happened on earlier versions (8.04, 9.04)

That it has happened on multiple OS versions makes me think it's a
hardware issue with the mouse, or maybe with your USB ports.

Have you tried connecting it to a different computer and seeing if the
same thing happens?  Apologies in advance if you've already tried this
:)

-Leigh