Re: Multiple X Sessions on OSR 6

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Date: 26 Oct 2005 13:05:37 -0700

Bob Stockler wrote:
> Jean-Pierre Radley wrote (on Sat, Oct 22, 2005 at 06:41:09PM -0400):
>
> | Bob Stockler typed (on Wed, Oct 19, 2005 at 08:26:02PM -0400):
> | |
> | | #!/bin/ksh
> | | # @(#) xstart - Start X using the lowest unused session number.
> | | integer i j ; cd /tmp ; set -A xs .X*-lock ; cd -
> | | for i in 0 1 2 3 4 5 6 7 8 9
> | | do session=${xs[$i]} ; session=${session#".X"}
> | | session=${session%"-lock"} ; j=$session
> | | (( i != j )) && {
> | | echo "exec /usr/bin/startx -- :$i"
> | | exec /usr/bin/startx -- :$i
> | | }
> | | done
> |
> | It fails syntacticly if NO X-session is running at all, and
> | it also fails here for me if session 0 is running, with:
> |
> | exec /usr/bin/startx -- :1
> |
> | Fatal server error:
> | Server is already active for display 0
> | If this server is no longer running, remove /tmp/.X0-lock
> | and start again.
> |
> | I get the same error if I just type 'startx -- :5'.
>
> Yeah, and command line startx fails with me in various ways.
>
> I'm happy with it, but I don't think OSR 6 is ready for Prime Time.
>
> The display you fixed for me on my console I like (as user "bob").
>
> However, after it's in place, other startx as user "root" work
> sometimes, others not - most often failing with an error message
> saying that /dev/mouse can't be opened.
>
> Sometimes after I've started VNC, sometimes before.
>
> Sometimes I can get two X sessions running, sometimes not (doing
> a reboot between tests sometimes). When I get a second running,
> I can't close it down within that second session - I have to go
> to the first one and send an HUP to the login of the second one.
>
> There's work to be done, but I'm a happy camper.
>
> Bob

Apologies for such a late reply. I've been indisposed with the flu the
last week.

I haven't seen the specific problems you or JP mentioned. I have seen
two different problems though. I can usually start two X sessions
under two logins by the same user. If I attempt to start a third
session, X will start and give me the grey stippled background but no
window manager. After about four minutes the session times out and
dies with a "/usr/X11R6/bin/xinit: Server error." error. The
appropriate /usr/adm/Xorg.<x>.log file lists this error every 2
seconds:

AUDIT: Wed Oct 26 14:19:48 2005: 21614 X: client 1 rejected from local
host
AUDIT: Wed Oct 26 14:19:50 2005: 21614 X: client 1 rejected from local
host
AUDIT: Wed Oct 26 14:19:52 2005: 21614 X: client 1 rejected from local
host

The second problem I see is, upon issuing the startx command, it
changes video modes, then changes back and gives the errors:

_XSERVTransSCOOpenServer: failed to open /dev/spx
_XSERVTransOpen: transport open failed for sco/tenzing:5
_XSERVTransMakeAllCOTSServerListeners: failed to open listener for sco

To be fair, I've never tried exercising X to this extent on pre-OSR6
systems so I can't say it wouldn't fail there as well. It does seem
there is still work to be done to get X up to speed on OSR6.

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