xterm freeze X

[Marco Maggesi <maggesi@math.unifi.it>]

Hi,

I have troubles getting X11 working properly on my
AlphaServer 400 with potato.

When I open an xterm as non privileged user, the X server
(XF86_TGA) freezes.  The problem do not occur as superuser.

Any idea?

Thanks in advance,
Marco