[CentOS-devel] Rebuild xorg

Jerry Amundson jamundso at gmail.com
Sun Dec 21 17:08:31 UTC 2008


On 12/21/08, William L. Maltby <CentOS4Bill at triad.rr.com> wrote:
>
> On Sun, 2008-12-21 at 17:11 +0100, Alain PORTAL wrote:
>> Le dimanche 21 décembre 2008, William L. Maltby a écrit :
>>
>> > You ought to be able to get at least VESA stuff.
>>
>> In xorg.conf, if I replace vga by vesa for driver, and if I try to startx,
>> it
>> failed and I get the following (incomplette) message:
>>
>> (EE) VESA(0): No matching modes
>> (EE) Screen(s) found, but none have a usable configuration.
>>
>> As my default xorg.conf was created with pyxf86config, there is no mode
>> neither modelines defined.
>>
>> > As root, from a console in run level 3 (telinit 3), try
>>
>> I'm in this run level since installation.
>>
>> >     system-config-display
>>
>> I tried this, but as it is running in a 320x200 vga mode, I can't see a
>> lot of
>> things. I think I see less than a quarter of the dialog window.
>
> Time for extreme measures. At boot prompt, add to the end of the kernel
> line, via the grub edit facility "vga=ask", IIRC.
>
> I can't find the kernel parameters docs on my system ATM, so this is a
> guess from memory. Maybe I need kernel development to get those notes?
>
> Anyway, that should give you a list of pre-defined modes, numeric.
> Google before you do this and get a list of possible ones. I would pick
> the 1024x768 as a first try. IIRC another is 800x640. There's a
> 1240x1076(?) I think too.

IIRC, vga=ask will do it, otherwise pick one like vga=0x317, and it
will prompt if invalid.
http://en.wikipedia.org/wiki/VESA_BIOS_Extensions

jerry

-- 
To be named later.


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