Re: Multiple X Sessions on OSR 6

From: Bob Stockler (bob_at_trebor.iglou.com)
Date: 10/27/05 

Date: 26 Oct 2005 20:30:54 -0400

Roger Cornelius wrote (on Wed, Oct 26, 2005 at 01:05:37PM -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.

Happy to see you back, and in better health. How come you
didn't get you flu shot as I did?

| 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.

Yeah. Sometimes it works, sometimes not. The same with VNC.

I've seen those AUDIT messages on the first X I've successfully
started, and then none on the second successfully started.

There's a lot to be learned. Maybe MP2 will fix a lot of it.

Bob 

-- 
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