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From: eric@hpfcda.HP.COM (Eric Flink)
Newsgroups: comp.sys.hp
Subject: Re: Instant Ignition problems
Message-ID: <970010@hpfcda.HP.COM>
Date: 4 Sep 90 18:02:07 GMT
References: <1568@sdrc.UUCP>
Organization: Hewlett-Packard, Fort Collins, CO
Lines: 47

>	- On a device such as a Turbo SRX/VRX, you cannot modify
>	  SB_DISPLAY_ADDR before running X Windows.  Normally we 
>	  set this in /etc/profile or the user's .profile which were
>	  run before typing .x11start. But now, with xlogin/xsession
>	  the X server runs continoussly and there isn't a way to set
>	  this variable. I tried setting in /etc/rc to no avail.

This is a problem; you need to set the SB_DISPLAY_ADDR variable before X
starts, but xlogin does not pass down most environment variables to its
children.

However, there is a workaround which should fix the problem.  If you
make the server into a shell script, it can set up the appropriate
environment variables then exec the real X server.

For example, move /usr/bin/X11/X to /usr/bin/X11/X.real.  Then recreate
/usr/bin/X11/X as a shell script which looks like:

----------------- Cut Here -----------------
#!/bin/sh
#
# Shell script to set environment variables for the X server.

export SB_DISPLAY_ADDR
SB_DISPLAY_ADDR=XXX

exec /usr/bin/X11/X.real $*
----------------- Cut Here -----------------

Make sure this script is executable.  The "exec" is very important;
the xsession command needs to know the process id of the server to
correctly shut things down when you log out.

Note that this shell script will get clobbered if/when you update
the X Windows fileset on your system.

Hope this helps.


Regards,

Eric Flink

eric_flink@fc.hp.com
(303) 229-2313

This posting does not reflect the official position of Hewlett-Packard Company.