KDE 4: trouble setting up two separate Xservers

[Paul van Gerven]

I have come to the same conclusion: KDE 4 cannot run two desktops, even when
they are running on different X servers. Fortunately, I do not need two. So
now I have set up two separate X screens on a single server and run Mythtv
on the tv using the DISPLAY= command.

On Wed, May 5, 2010 at 1:00 AM, Allistar <allistar.m at gmail.com> wrote:

> Paul van Gerven wrote:
>
> > In Kubuntu Lucid Lynx (KDE SC 4.4), I have been trying to configure a two
> > Xserver setup. One XServer uses my videocard, the other the tv-out of my
> > Hauppauge 350 tv-card. I have been running this setup for a couple of
> > years, both in Gnome and in KDE 3.x. This is my first attempt in KDE 4.
> >
> > I edited kdmrc as follows (see attachment):
> > - StaticServers in [General] to :0,:1
> > - ReserveServers in [General] to :2,:3,:4
> > - commented out ServersArgsLocal in [X-*-Core]
> > - added ServerArgsLocal=-br -nolisten tcp -layout seat0 to [X-:0-Core]
> > - created a [X-:1-Core] and [X-:1-Core] with a similiar ServerArgsLocal
> >
> > seat0 and seat1 correspond to ServerLayout section in an xorg.conf (see
> > attachment), which has done the job for years.
> >
> > Now, when booting, I get the KDM login screen on my tv, but my monitor
> > remains a blank screen or shows some garbled graphics resembling the
> > splash screen (note: I disabled the splash in Grub). Switching through
> VTs
> > 7 to 9 doesn't show a KDM screen either.
> >
> > Both Xorg.0.log and Xorg.1.log show the two X servers have started
> > succesfully, so apparently something goes wrong at the very last minute.
> >
> > I don't have the faintest clue what to do next, so any help would be
> > appreciated.
>
> From what I understand, this is not possible with KDE4. This has something
> to do with two separate instances of Plasma not being able to be run at the
> same time.
>
> FWIW, this is the one single issue that is holding me back from upgrade
> from
> 3.5.10 to 4.?. For me this issue is a show stopper as without it I cannot
> see any way to run an accelerate triple head setup.
>
> Suggestions I have seen are to run KDE4 on your laptop monitor and
> something
> else (FWM? Enlightenment? KDE3.5?) on the TV card output. This should work.
>
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