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Article #206

Re: IsosurfLat2 Limitations?

#206
From: leep
Date: Thu, 24 Dec 1992 16:11
35 lines
1947 bytes
In article <1992Dec24.004917.1397@odin.corp.sgi.com>, ciemo@bananapc.csd.sgi.com (Dave Ciemiewicz) writes:
> In article <1992Dec23.011833.10963@vax.oxford.ac.uk>, leep@vax.oxford.ac.uk writes:
> |> 
> |> IsosurfaceLat and IsosurfaceLat2 both crash
> |> on large data sets.  The size is not
> > ...
> |> Peter Lee
> 
> Something to check for - does your arenasize exceed the available disk space
> on the disk specified by tempdir (default is /usr/tmp).  The shared memory
> arena used by explorer is mapped to a file under the tempdir directory.
> This mapped file acts as the VM swapfile for the arena (not your swap
> partition).
> 
> The mapped arena file does not start out attempting to use all of the
> disk space specified by arenasize.  As memory is needed, the arena file
> will grow.  If it grows past the available memory, weird execution
> behavior will occur and no errors that the arena has grown larger than
> the available disk space will be displayed.  I've encountered the kind of
> weird behavior like you are seeing in the circumstances that I had specified
> an arena larger than the disk space that I had.   I don't know if this is
> the problem that you are encountering.
> 
> 						--- Dave


Thanks, this was the problem.   

However, on the machine I was using most of the disk is full
so I set the tempdir to a NSF mounted disk.  When I did this
none of my datascribe modules would work unless tempdir was
on a local disk.   Any ideas on what is wrong?  

cheers,
peter lee
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Message-ID: <1992Dec24.161137.10995@vax.oxford.ac.uk>
Path: arc1-ca.pugleaf.net!sparky!uunet!pipex!bnr.co.uk!uknet!comlab.ox.ac.uk!oxuniv!leep
References: <1992Dec23.011833.10963@vax.oxford.ac.uk> <1992Dec24.004917.1397@odin.corp.sgi.com>

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Path: arc1-ca.pugleaf.net!sparky!uunet!pipex!bnr.co.uk!uknet!comlab.ox.ac.uk!oxuniv!leep
From: leep@vax.oxford.ac.uk
Newsgroups: comp.graphics.explorer
Subject: Re: IsosurfLat2 Limitations?
Message-ID: <1992Dec24.161137.10995@vax.oxford.ac.uk>
Date: 24 Dec 92 16:11:37 GMT
References: <1992Dec23.011833.10963@vax.oxford.ac.uk> <1992Dec24.004917.1397@odin.corp.sgi.com>
Organization: Oxford University VAX 6620
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