USB mouse no longer working under X in 8.10

[Rares Vernica]

Rares Vernica <rares at ics.uci.edu> writes:

> Hello,
>
> I recently upgraded from 8.04 to 8.10 and my USB mouse is no longer
> working under X. The mouse is working fine in the console, using
> gpm. So, I believe my mouse is recognized by the system. The mouse is a
> standard Dell optical mouse.
>
> Some pointers on how to troubleshoot this issue would be very helpful.
>
> Thanks.
> Rares

Does anyone have any thoughts on this one? Not having X affects my
productivity badly. :)