[gridengine users] Server is already active for display

Ulrich Hiller hiller at mpia-hd.mpg.de
Wed Jul 17 12:34:13 UTC 2013

Dear list members,
we have installed GE2011.11p1 on an opensuse 12.3 x86_64 cluster.
For a process we need Xvfb running
Although it was checked that there was no Xserver with the same name
running before (and no /tmp/.X*-lock) we get messages like this:

Fatal server error:
Server is already active for display 3
        If this server is no longer running, remove /tmp/.X3-lock
        and start again.

Again: before the process was startet ther was no /tmp/.X3-lock and no X
process for display 3.

The simplest programm to reproduce looks like this:
#$ -S /bin/bash
#$ -N IDLname
#$ -V
#$ -p -10
#$ -m n
#$ -j n
#$ -l h_rt=12:00:00
#$ -t 1-158

/usr/bin/Xvfb :3 -screen 0 487x299x16 &


The program was started with this:
qsub -cwd -o output.dat -e error.dat ./program.sh

Starting it on a node in an interactive shell it works.

Does anybody have an idea how to fix it?

With kind regards and thanks in advance, ulrich

Ulrich Hiller
Max-Planck-Institute for Astronomy
Koenigstuhl 17
69117 Heidelberg
phone +49 6221 528238
fax +49 6221 528246
e-mail hiller at mpia.de

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