Re: Cannot create Semaphore via NFS (/usr/tmp) !!!

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Rob Jenkins (robj++at++quid)
Fri, 3 Jan 1997 20:26:39 -0800

I think this is a known problem. If you have a EFS filesystem
you can point PFTMPDIR to that and it should work but I'm guessing you have XFS
filesystem and Irix 6.2 in which case there's a script you can run to get your
app running which I've attached ( see the script for a description ).

Cheers
Rob

On Jan 3, 2:51pm, Rambabu wrote:
> Subject: Cannot create Semaphore via NFS (/usr/tmp) !!!
> Hi :
>
> I have a Performer App (compiled under Pf2.0) actually , I am not sure,
> if
> it is 1.2 or 2.0. But now we have Performer 2.2 installed.
> The app is on an nfs mounted directory.
>
> When I tried to run this app froma local machine, I got this
> fatal error message
>
> pfInit: cannot create semaphore via NFS (/usr/tmp). Change PFTMPDIR
>
> I am not setting any PFTMPDIR. I tried setting it to /tmp etc but
> I keep getting the same message. I know that pfInit
> creates semaphores on /usr/tmp and allocates SharedArena on the
> swap space. Has anybody got such messages and found a solution ?
>
> Thanks
>
> Ram
>
> ram++at++ivex3d.com
> =======================================================================
> List Archives, FAQ, FTP: http://www.sgi.com/Technology/Performer/
> Submissions: info-performer++at++sgi.com
> Admin. requests: info-performer-request++at++sgi.com
>-- End of excerpt from Rambabu

-- 
________________________________________________________________
Rob Jenkins mailto:robj++at++csd.sgi.com
Silicon Graphics, Mtn View, California, USA




#!/bin/sh


#
# perf21xfs  $Revision: 1.2 $
# 
# Script to patch a statically linked Performer2.1 application
# to allow it to run when PFTMPDIR is an XFS file system
# (getting rid of the bogus fatal "cannot create semaphore arena via NFS"
# error).
#
# Run this script on the executable (but make a backup first!)
#
# So far, it has been tested on the following files:
#       ~src/trees/demo/GL/perfly/perfly
#       /usr/demos/Impact/data/GIS/terrain/perfly.ptu
#       /usr/demos/Impact/MaxImpact/SGI/site/perfly
# If you have an executable for which it doesn't work,
# please let me know (hatch++at++sgi.com).
#


if [ $# -ne 1 ]
then
	echo Usage: `basename $0` executablename >&2
	exit 1
fi


perl -p -i.bak \
	-e '$/ = 0777;' \
	-e "s/pfInit: cannot create semaphore arena via NFS \(%s\).  Change PFTMPDIR./pfInit: semaphore arena dir (%s) is not EFS.  Use PFTMPDIR to change./;" \
	-e "s/(\
\217\274\000\040\
\000\000\000\000\
\217\231..\
\047\244..\
\003\040\370\011\
\047\245..\
\217\274\000\040\
\047\244..\
\217\231..\
\044\005\000\057\
\003\040\370\011\
\000\000\000\000\
\217\274\000\040\
\020\100\000\002\
\047\244..\
\240\100\000\000\
\217\231..\
\047\245..\
\044\006\000\050\
\003\040\370\011\
\000\000\070\045\
\217\274\000\040\
\004\101\000\013\
\207\256..\
\217\206..\
\217\231..\
\044\004\000\001\
\044\005\000\003\
\047\247..\
\003\040\370\011\
\044\306..\
\217\274\000\040\
\000\000\000\000\
\207\256..\
\044\001\000\001\
\025\301\000\012\
\000\000\000\000\
\217\206..\
\217\231..\
\044\004\000)\001\
/"'$1'"\005/g;" \
	-e "s/(\
\047\244..\
\003\040\370\011\
\044\245..\
\217\274\000\040\
\000\000\000\000\
\217\231..\
\047\244..\
\003\040\370\011\
\047\245..\
\217\274\000\040\
\047\244..\
\217\231..\
\044\005\000\057\
\003\040\370\011\
\000\000\000\000\
\217\274\000\040\
\020\100\000\002\
\047\244..\
\240\100\000\000\
\217\231..\
\047\245..\
\044\006\000\050\
\003\040\370\011\
\000\000\070\045\
\217\274\000\040\
\004\101\000\013\
\207\257..\
\217\206..\
\217\231..\
\044\004\000\001\
\044\005\000\003\
\047\247..\
\003\040\370\011\
\044\306..\
\217\274\000\040\
\000\000\000\000\
\207\257..\
\044\001\000\001\
\025\341\000\011\
\044\004\000)\001\
/"'$1'"\005/g;" \
	$1
exit 0





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