X server Resolution Catch-22 Fedora 12

Adam Williamson awilliam at redhat.com
Mon Nov 23 20:39:49 UTC 2009

On Mon, 2009-11-23 at 12:59 -0700, Michal Jaegermann wrote:

> > or gtf, for modelines. Try 'gtf 1024 768 85'.
> If we are already there then maybe you can explain? :-)
> 'man -k mode | grep VESA' prints
> cvt []               (1)  - calculate VESA CVT mode lines
> gtf []               (1)  - calculate VESA GTF mode lines
> but what is a difference?  'man cvt' at least says "VESA Coordinated
> Video Timing".  V.E.R.A. for a change brings "Generalized Timing
> Format (VESA)" when asked for "gtf".  I am afraid that this still
> does not tell me very much.  Results with the same paramaters are
> slightly different.  'xvidtune' allows to "tune" an image to your
> monitor before you will hit "Show".

sorry, not enough knowledge. for me gtf is just a magic box that spits
out modelines. =)

worth noting that a manually-generated modeline is very unlikely to be
ultimate answer to Chuck's problem, was just adding to the note that you
certainly don't need random Windows trial-ware to generate valid

Adam Williamson
Fedora QA Community Monkey
IRC: adamw | Fedora Talk: adamwill AT fedoraproject DOT org

More information about the fedora-test-list mailing list