[Sorry if this doesn't thread properly, my newsserver has expired the
original message]
I found what my problem was: X was freezing while probing for my
videocard (S3 Trio3D). I still don't know why it would work properly
with 2.2.14, though.
I had to specify the videochip, ramdac and clockchip in XF86Config to
work around it.
Now everything works. Yay!
--
Francois Labreque | The surest sign of the existence of extra-
flabreque | terrestrial intelligence is that they never
videotron.ca | - Calvin