[Bug 3731] Re: Xorg resolution falling back to 640x480 and/or 800x600 when h/v freqs incorrect

[Michal Suchanek]

Bryce: The X autodetection is not a solution for now. It is so poorly
designed it is unusable.

It does not work by commenting out sections in the config file. You have
to *REMOVE* the config file *COMPLETELY*.

This means that many settings for which there are no reasonable defaults
break.

However, I tried it for the sake of experimentation when I was
configuring X for Ati Radeon 9200 + Sony G200. The readouts from the
card are complete, the monitor is fully identified including all the
modes. X says the first detailed timing is the preferred mode in the log
but it chooses some 60Hz mode for this CRT monitor. It probably chooses
the largest over the one marked preferred or one that has reasonable
refresh rate.

Even if it worked this way of configuration is useless because it does
not allow to specify *anything* in the config file (keyboard layout,
server options, dri options, font paths, graphics driver options, ..).
Many of these options could be set or worked around in gdm scripts but
some cannot.

For one, on Matrox cards the default is hardware cursor which is broken.
Another recurring problem is the option to use DDC readings defaulting
to off for some drivers.

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Xorg resolution falling back to 640x480 and/or 800x600 when h/v freqs incorrect
https://bugs.launchpad.net/bugs/3731
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