modeset on/off changes xrandr output

Adam Jackson ajax at redhat.com
Tue May 12 17:08:28 UTC 2009


On Tue, 2009-05-12 at 16:30 +0100, Mary Ellen Foster wrote:
> 2009/5/12 Adam Jackson <ajax at redhat.com>:
> Thanks for your informative response!
> 
> > On Tue, 2009-05-12 at 10:08 +0100, Mary Ellen Foster wrote:
> >> - Outputs have different names:
> >>   - modeset: VGA1, LVDS1, DVI{1,2}, TV1
> >>   - nomodeset: VGA, LVDS, HDMI-{1,2}, TV
> 
> > This is a bug, we should be getting the names the same between KMS and
> > UMS.  It's pretty much cosmetic though, IIRC Gnome will remember output
> > configuration based on the EDID of the attached device and not the
> > output name, so it shouldn't matter.
> 
> But xorg.conf-based configuration still uses the output names as far
> as I can tell (and the KDE randr tool doesn't seem to work very well
> at all ...). Should I file this as a bug?

True.  And yes, please.

> >> - Available resolutions and refresh rates are different, with many
> >> more available with nomodeset
> >>   - e.g., LVDS has only 1920x1200 with modesetting, but six further
> >> resolutions with nomodeset
> >
> > This is a bug, but one that's at least fix-in-progress.
> 
> Is there a bug number (Redhat/FreeDesktop/whatever) that I can track this under?

https://bugzilla.redhat.com/show_bug.cgi?id=496813

- ajax
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