Notice how the h/v rates don't match the vendor's advertised
capabilities:
Via EDID:
HorizSync 31-65
VertRefresh 58-62
Via DDC:
monitorrange: 31-65, 58-62
Xorg.0.log (radeonhd):
(II) RADEONHD(0): Ranges: V min: 58 V max: 62 Hz, H min: 31 H max: 65 kHz,
PixClock max 110 MHz
Advertised specifications:
* Frequency Fh:29-82kHz, Fv:55-86Hz
So, what happens if you plug in these values into your xorg.conf?
Section "Monitor"
...
HorizSync 29 - 82
VertRefresh 55 - 86
EndSection
** Changed in: xorg-server (Ubuntu)
Sourcepackagename: xserver-xorg-video-ati => xorg-server
Status: Triaged => Incomplete
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[RS690] Wrong resolution and Nokia 800 Pro+
https://bugs.launchpad.net/bugs/298094
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