Notes on how to debug X autodetection.

Fabio Massimo Di Nitto fabbione at fabbione.net
Thu Aug 26 10:09:40 CDT 2004


On Thu, 26 Aug 2004, Matt Zimmerman wrote:

> On Thu, Aug 26, 2004 at 04:50:36PM +0200, Fabio Massimo Di Nitto wrote:
>
> > On Thu, 26 Aug 2004, Matt Zimmerman wrote:
> > >   - HorizSync and VertRefresh were added (28-50, 43-75).  I'm not sure if
> > >     these values are correct, or even used, for my laptop LCD
> >
> > You can check it in the X logs and see what the driver has to say about
> > them.
>
> The probe seems to say that all of the modes are 48.4kHz/60.0Hz:
>
> (**) RADEON(0): *Mode "1024x768": 65.0 MHz (scaled from 0.0 MHz), 48.4 kHz, 60.0 Hz
> (II) RADEON(0): Modeline "1024x768"   65.00  1024 1040 1176 1344  768 770 776 806

> (the LCD is 1024x768 and that is the only mode I want, which is what was
> written to the config)

The 60Hz reflects exactly the best default for laptops as we discussed at
the X bof ;)

Fabio

-- 
<user> fajita: step one
<fajita> Whatever the problem, step one is always to look in the error log.
<user> fajita: step two
<fajita> When in danger or in doubt, step two is to scream and shout.




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