Why does Xorg choose this resolution?

[Knapp]

On Tue, Oct 14, 2008 at 10:45 AM, Chris G <cl at isbd.net> wrote:
> On Mon, Oct 13, 2008 at 03:42:28PM -0600, Charlie Kravetz wrote:
>> On Mon, 13 Oct 2008 21:36:21 +0100
>> Chris G <cl at isbd.net> wrote:
>>
>> > I have been trying to understand why Xorg chooses an odd resolution
>> > (1152x864) on my system rather than the monitor's native 1600x1200.
>> >
>> > Well I can see *where* it does it, here is the relevant section of my
>> > Xorg.0.log file:-
>> >
> [snip contents of Xorg.0.log]
>> >
>> > How do I tell the system to default to 1600x1200?
>> >
>> > --
>> > Chris Green
>> >
>>
>> There should be another line labeled Modes, the first resolution in
>> that line is the system resolution used. For example:
>> Section "Screen"
>>       DefaultDepth    24
>>       SubSection "Display"
>>               Depth           24
>>               Virtual 1920    1200
>>               Modes           "1280x1024" "1280x960" "1152x864"
>> "1024x768" "832x624" "800x600" "720x400
>>
>> This makes 1280x1024 the default resolution.
>>
> Not any more, that's the whole prolem!!
>
> The *whole* of my xorg.conf file as generate by Ubuntu 8.10
> installation is:-
>
>    Section "Device"
>            Identifier      "Configured Video Device"
>    EndSection
>
>    Section "Monitor"
>            Identifier      "Configured Monitor"
>    EndSection
>
>    Section "Screen"
>            Identifier      "Default Screen"
>            Monitor         "Configured Monitor"
>            Device          "Configured Video Device"
>    EndSection
>
> Xorg now generates the actual settings 'on the fly' each time it's
> started up.  If it gets the right resolution then that's fine but it's
> a bit of a nuisance (as in my case) if it gets it wrong.
>
> --
> Chris Green

While it is true that it is mostly blank, if you add stuff to it, it
still works.



-- 
Douglas E Knapp

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