X core dump in 3.0.1 (amd64)

> Before I used vs. 3.0.1, I used 3.0, in which 1024x768
worked great. So it's
> not a hardware issue. Other thing is, that after
installation I could start X
> without having XF86Config in /etc/X11. I haven't been
able to locate another
> XF86Config, so my guess is it gets its settings from
somewhere else. But
> where?

Look at the X log file to see where it got its
configuration.

> 
> Look at the X log file to see where it got its
configuration.
> 

Thank you. Problem solved: the HSync and VertRefresh turned
out to be 
missing. Since the XF86Config was generated, I never would
have guessed.