ubuntu-x-swat team mailing list archive

[Bryce Harrington <bryce@xxxxxxxxxxxxxxxxxxx>]

Thanks for testing this.  For what it's worth, I have been suspecting a
recent kernel patch which altered graphics card timings, but I'm not
really sure.  It is interesting from that perspective that you booted an
earlier kernel and it did not make the issue go away.

I wonder if something changed somewhere other than the kernel, which
affects being able to read the edid from the graphics card?

Fwiw, there is nothing particularly special about Ubuntu's X.org in
terms of detection of external monitors; it should pretty much work the
same here as upstream and other distros.  We sometimes carry some quirks
or other local fixes, but not in this case.

-- 
External monitor suddenly gets wrong resolution on laptop (nvidia).
https://bugs.launchpad.net/bugs/479323
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