X.org no longer sees extra buttons?

[Ori Bernstein]

On Wed, 28 Sep 2005 01:07:00 -0700, David Sharp <whereami at gmail.com> said:

> it seems that the only way to acheive this is to use
> Option "ZAxisMapping" "6 7"
> and then use xmodmap to reverse the buttons:
> xmodmap -e "pointer = 1 2 3 6 7 4 5"
> 
> this must be run every time you start the server, so you may want to
> put it in your .xinitrc, or some global startup script.
> 
> I believe this is just a workaround though, and it would be very nice
> if the mouse driver would support these mice properly.. though, i
> suppose it could be a problem with the hardware lying? I doubt that
> though.
> 

Interestingly enough, *this* is no longer working for me.
I had this configuration in my xorg.conf, however, currently scrolling the
wheel on my mouse scrolls sideways, and the side buttons scroll up and down.

Running xmodmap has no obvious effect.