Newsgroups: comp.parallel.pvm
From: ladanyi@cs.cornell.edu (La'szlo' Lada'nyi)
Subject: Re: PVM on Cluster of Suns
Organization: Cornell University Computer Science Department
Date: Sun, 20 Nov 1994 16:22:01 GMT
Message-ID: <1994Nov20.162201.17416@cs.cornell.edu>

jacobs@netcom.com (Allan Jacobs) writes:

>cpr4k@eureka.med.Virginia.EDU (Chris Roberts) writes:

>>I am trying to run PVM3.3.3 on a cluster of Suns, SGI's, and RS6K's.  
>>They are configured so that my directory is visible to each using NIS.  
>>They share a password file and a netgroup file.  If I use the pvm console,
>>I keep getting the message 'Can't start pvmd' for any machine I try to add.
>>If I use a hostfile and specify dx=/pvm/lib/pvmd, where the daemon lives,
>>I can get the RS6K's to fire from the Sun, but can't get another Sun or
>>SGI to fire.  I am using ksh, as well.

>>Can anyone suggest something here?  

>>-- 
>>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

>I got this error today when I switched from PVM3.2.x to PVM3.3.5.  There
>is a bug somewhere in PVM3.3.5.  After some trial and error, I found
>a workaround.  Simply moving the assignment of PVM_ROOT in my .cshrc
>files to somewhere very near the top makes the problem go away.

>This assumes that your .rhost files are set up correctly and your
>environment is set up correctly.  There are, it seems, many ways to
>run into this problem.

Just a guess: 3.2.x did not require PVM_ROOT to be set (and worked fine
if pvmd was in your path), but 3.3.4+ does require. (I think 3.3.3 also 
requires it, but I'm not sure.) If moving the assignment
of PVM_ROOT to the top of your .cshrc helps that indicates that rsh
is not able to read the full .cshrc. By moving around the definition
of PVM_ROOT you could exactly pinpoint which is the offending command, but
I would guess that it's a command that prints something to stdio or stderr
(in that case rsh stops processing .cshrc).

Hope this helps,
   Laci
-- 
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| Laci Ladanyi           | God made one mistake when he created man: |
| ladanyi@cs.cornell.edu |     He wrote self-modifying code ...      |
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