How do I start a second X server

[Rasmus Back]

Hi all.

I have two graphic cards in my system and I'm trying to configure the
second card so that I can use its tv-out feature to play dvds on my
tv. Since I only watch movies once in while I'd like to be able to
start a second X server with a minimal window manager and specify the
server layout for the tv-out video card. Probably something like
"startx twm -- -layout tv-out :1".

I thought that the startx command would do it but it fails with the
error: /usr/X11R6/bin/xterm:  bad command line option "twm". startx
without the "twm" option tries to start another gnome-session on vt8.

So, any suggestions?

Rasmus

[Hansen]

On Fri, 2004-07-30 at 14:38, Rasmus Back wrote:
> Hi all.
>
> I have two graphic cards in my system and I'm trying to configure the
> second card so that I can use its tv-out feature to play dvds on my
> tv. Since I only watch movies once in while I'd like to be able to
> start a second X server with a minimal window manager and specify the
> server layout for the tv-out video card. Probably something like
> "startx twm -- -layout tv-out :1".
>
> I thought that the startx command would do it but it fails with the
> error: /usr/X11R6/bin/xterm:  bad command line option "twm". startx
> without the "twm" option tries to start another gnome-session on vt8.
>
> So, any suggestions?
>
> Rasmus

You can do it with gdmflexiserver, that bring the gdm login again and
login with different session and user.

Hope this help.

Hansen

[Cameron Simpson]

On 10:38 30 Jul 2004, Rasmus Back  wrote:
| I have two graphic cards in my system and I'm trying to configure the
| second card so that I can use its tv-out feature to play dvds on my
| tv. Since I only watch movies once in while I'd like to be able to
| start a second X server with a minimal window manager and specify the
| server layout for the tv-out video card. Probably something like
| "startx twm -- -layout tv-out :1".
| 
| I thought that the startx command would do it but it fails with the
| error: /usr/X11R6/bin/xterm:  bad command line option "twm". startx
| without the "twm" option tries to start another gnome-session on vt8.

If you have a gander at the startx script you'll see it tries to be
ultra clever.  If that first arg (your "twm") is a full path it's taken
to be a program name, otherwise it's an argument for the default program,
thus causing it to invoke the command "xterm twm" eliciting the error you
see. So find the full path of twm ("which twm" says "/usr/X11R6/bin/twm"
on my system) and go:

startx /usr/X11R6/bin/twm -- -layout tv-out :1

Cheers,
--
Cameron Simpson  DoD#743
http://www.cskk.ezoshosting.com/cs/

If it can't be turned off, it's not a feature. - Karl Heuer

[Rasmus Back]

On Fri, 30 Jul 2004 18:51:54 +1000, Cameron Simpson  wrote:
> On 10:38 30 Jul 2004, Rasmus Back  wrote:
> | I have two graphic cards in my system and I'm trying to configure the
>
> | second card so that I can use its tv-out feature to play dvds on my
> | tv. Since I only watch movies once in while I'd like to be able to
> | start a second X server with a minimal window manager and specify the
> | server layout for the tv-out video card. Probably something like
> | "startx twm -- -layout tv-out :1".
> |
> | I thought that the startx command would do it but it fails with the
> | error: /usr/X11R6/bin/xterm:  bad command line option "twm". startx
> | without the "twm" option tries to start another gnome-session on vt8.
>
> If you have a gander at the startx script you'll see it tries to be
> ultra clever.  If that first arg (your "twm") is a full path it's taken
> to be a program name, otherwise it's an argument for the default program,
> thus causing it to invoke the command "xterm twm" eliciting the error you
> see. So find the full path of twm ("which twm" says "/usr/X11R6/bin/twm"
> on my system) and go:
>     startx /usr/X11R6/bin/twm -- -layout tv-out :1

Thanks!

I got a litlle further with your help, but not quite there yet :)
startx /usr/X11R6/bin/twm -- -layout tv-out vt8 :1
starts the X server but apparently twm still tries to connect to the
first server since I get these error messages:
/usr/X11R6/bin/twm:  another window manager is already running on screen 0?
/usr/X11R6/bin/twm:  unable to find any unmanaged screens

Passing the -display :1 option to twm I run into this:
AUDIT: Mon Aug  2 09:30:11 2004: 19479 X: client 1 rejected from local host
Xlib: connection to ":1.0" refused by server
Xlib: No protocol specified

I think this is because my magic cookies aren't set up right for the
second X server, but I don't know how to fix this. Is there some xrdb
voodoo involved? I cant use xhost to allow access because xhost can't
connect to the second X server either.

Rasmus

[Brad Smith]

startx/xinit are very picky about being givencomplete paths. Try:

startx /usr/bin/twm -- -layout tv-out :1

--Brad

On Fri, 30 Jul 2004 10:38:01 +0300, Rasmus Back  wrote:
> Hi all.
>
> I have two graphic cards in my system and I'm trying to configure the
> second card so that I can use its tv-out feature to play dvds on my
> tv. Since I only watch movies once in while I'd like to be able to
> start a second X server with a minimal window manager and specify the
> server layout for the tv-out video card. Probably something like
> "startx twm -- -layout tv-out :1".
>
> I thought that the startx command would do it but it fails with the
> error: /usr/X11R6/bin/xterm:  bad command line option "twm". startx
> without the "twm" option tries to start another gnome-session on vt8.
>
> So, any suggestions?
>
> Rasmus
>
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