Re: [gdm-list] Multiple monitor issues w/ GDM 2.28
- From: Jörg Barfurth <Joerg Barfurth Sun COM>
- To: Lawrence Statton <lawrence cluon com>
- Cc: gdm-list gnome org
- Subject: Re: [gdm-list] Multiple monitor issues w/ GDM 2.28
- Date: Fri, 14 May 2010 12:19:07 +0200
Lawrence Statton schrieb:
I'm having some issues getting my multi-headed configuration working.
I am trying to get a single display configured with three screens.
The machine boots and the 'mostly purple' Ubuntu root-window graphics
appear on *each* screen, but only one of them has any "real activity"
(that is: When I log in, there are only window-manager decorations in
the :0.0 screen, only the :0.0 screen responds to clicks in the
root-window) ... I can mouse over to the other screen and see the pointer.
If I try launching an X client (e.g. xterm -display :0.1 ) "nothing
appears to happen" ( no error returned, but neither does a terminal
launch ) (nb I also tried launching the xterm as root, in case there
were some permission issues )
That sounds like a window manager problem rather than a display manager
problem. Once you have logged in and the session and window manager take
over, the display manager doesn't play a role any more.
The release notes mention that "GDM 2.20 and earlier supported the
ability to manage multiple displays with separate graphics cards" and
"These features were not added back during the 2.22 rewrite."
The question looming large in my mind is: Are they using the words
"multiple displays" in the pedestrian sense of "many things on my desk"
or in the specific X sense of the word "a group of screens bound to a
keyboard and mouse"?
AFAIK that is in the X sense. Multiple local X servers using separate
hardware and serving a display each (multiple 'Seats' in Console-Kit) is
what is missing (and being worked on).
Can gdm/gnome be made to do what I want, or am I going to just have to
continue using xdm/fvwm like I have been for the last 15 years?
You could try making a desktop file to allow using fvwm as your window
manager while still using gdm as the display manager.
If I am right, that should work for you.
Software Engineer mailto:joerg barfurth sun com
Desktop Technology http://blogs.sun.com/joergb/
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