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Re: Problems with vesa X driver



On Thu, 17 Oct 2013 08:54:18 -0400 (EDT), Ralf Mardorf wrote:

> On Thu, 2013-10-17 at 07:47 -0400, Stephen Powell wrote:
>> ...
>> However, the first problem may be a usage issue that
>> I can solve with appropriate tweaks in xorg.conf.  I just need to know
>> what to do.  Ideas anyone?
> ...
> In the past it was possible to get the frequency range by trial and
> error, today this doesn't work for me anymore, you need to get it from
> the web or your monitor's manual or IIRC I looked at a Suse install,
> they provided default values for monitors. My German monitor might be
> equal to another, international one, but IIRC I couldn't get info by the
> web, just Suse supported it. On Arch Linux with a nearly equal config, I
> get 81.9kHz/90.0Hz with the above config. IIRC the frequency thing does
> work with the vesa driver too, just the resolution has to be 1024x768 or
> another, but at least not 1152x864. I heard that modelines should be
> obsolet, but IIRC it doesn't work here without. IIRC  used an online
> calculator to get it.

I tried using an explicit Modeline, both for 85 Hz and for 75 Hz, but this
doesn't seem to work with the vesa driver.  The pertinent message from
/var/log/Xorg.0.log seems to be thus:

   (II) VESA(0): VBESetVBEMode failed, mode set without customized refresh.

-- 
  .''`.     Stephen Powell    
 : :'  :
 `. `'`
   `-


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