[kde-linux] Fedora 10: Does KDE support Xinerama or Dual independent Head monitor configuration?
1i5t5.duncan at cox.net
Wed Jul 8 13:14:24 UTC 2009
"Anuar, Nuhairi" <nuhairi.anuar at intel.com> posted
2D61D4B445E67140845EA70205F1D53E3EF2E7BF at pgsmsx502.gar.corp.intel.com,
excerpted below, on Tue, 07 Jul 2009 19:25:21 +0800:
> <p class=MsoNormal>Does KDE support Xinerama or Dual independent Head
> monitor configuration?<o:p></o:p></p>
> <p class=MsoNormal>I able to run “xinit” in
> “Xinerama” mode and “Dual independent head”
> mode, but when I run startx with KDE, one of the screen is just blank
> with default grey background. I suspect that KDE<span
> style='color:#1F497D'> 4</span> is not supporting this
> configuration. Is this true?<o:p></o:p></p>
HTML posts are very annoying...
You don't mention which version of KDE you are asking about, but 3.5
supports all three multi-head modes, separate desktops (old non-xinerama
mode), xinerama, and RandR. 4.x doesn't support multi-head separate
desktops at this time, but does support RandR as I'm running it here, and
AFAIK supports xinerama, tho I'm not sure on the last. However, kde4.2
RandR mode isn't exactly the most stable at this time, with bad
systemsettings detection in some cases only leaving one with clone mode.
However, it works here as long as use xrandr to change resolutions, tho
even then plasma can get mixed up.
If you're having multi-head issues with kde4, you may wish to revert to
3.5, as it's WAY more stable in that regard, at least for some of us.
>From what I've read, kde3's working multi-head multi-desktop was actually
something of an accident, however, and apparently there's no kde devs
actually working on it for 4.x at this time, at all. But single desktop
RandR mode should eventually get its bugs quashed, and with X headed ever
more toward RandR, hopefully all drivers will eventually get it, so true
xinerama and the old non-randr merged-framebuffer will be a thing of the
past. Thus, I'd not be surprised if it the legacy modes never get full
support from kde4.
FWIW, old Radeon 9200 running the xorg freedomware radeon driver, here,
xorg-server 126.96.36.1992, xf86-video-ati 6.12.2 (so RandR 1.3 support), kde
3.5.10 working desktop, kde 4.2.4 frustration desktop (still way to
broken for my needs), Gentoo/~amd64, dual 1920x1200 LCDs stacked for
1920x2400, single desktop.
Duncan - List replies preferred. No HTML msgs.
"Every nonfree program has a lord, a master --
and if you use the program, he is your master." Richard Stallman
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