Newsgroups: comp.parallel.pvm
From: wjiang@thud.cs.utk.edu (weicheng jiang   )
Subject: Re: pvm error on SGI Challange
Organization: Computer Science Dept, University of Tennessee, Knoxville
Date: 22 Sep 1994 14:07:54 GMT
Message-ID: <35s33qINNsta@CS.UTK.EDU>

In article <35rs2t$fb1@sunserver.lrz-muenchen.de>, heller@attila.imo.physik.uni-muenchen.de (Helmut Heller) writes:
|> In article <1994Sep21.135036.21680@news.cs.indiana.edu> "Shing Shong Shei"  
|> <shei@cs.indiana.edu> writes:
|> > A user reported the following problem on our 20-R4400 Challenge running
|> > IRIX 5.2:
|> > 
|> > ========================================================================
|> > It still has problems.  It looks you changed a file, but it may not
|> > have been enough places?
|> > 
|> > 7f000001:0a3a[t80040000] ready  3.3.4   Wed Sep 21 13:31:56 1994
|> > [t80040000] [t40008] libpvm [t40008]: pvmbeatask() semget: can't create  
|> semaphore: No space left on device
|> > [t80040000] [t40008] 
|> > [t80040000] [t40009] libpvm [t40009]: pvmbeatask() shmget: can't alloc msg  
|> buf: No space left on device
|> > [t80040000] [t4000a] libpvm [t4000a]: pvmbeatask() shmget: can't alloc msg  
|> buf: No space left on device
|> > ========================================================================
|> > 
|> > ... ...
|> > 
|> > Shing-Shong
|> 
|> The problem might be that the semaphores have not been released. I use the  
|> following script "memclear" to clear the shared memory after a pvm run: 
|> ... ...
|> 
|> But even with this I run into many problems with SGIMP PVM and the author of  
|> this port does no longer respond to me e-mails...
|> ..as a result, our Challenge is idling away...
|> it is a shame!!
|> 
|> --
|> Servus, Helmut  (DH0MAD)   

Sorry Helmut, I returned to UT last week but haven't had a chance to reply
to your mail.

We're aware of the bugs in the shared-memory port. Bob Manchek has taken
over this work, I am sure he'll release a clean version at some point.

Regards,
  Weicheng Jiang

