You failed to mention this about contributed package 'snow' (and a long obsolete version of R: see the postin guide). That version of R has package 'parallel' which would be preferred. But it looks like you did not manually start the workers (and I am not sure why you would want to do that).

On 27/09/2013 02:26, Jeffrey Flint wrote:
The command which hangs:
I'm hoping there is a simple explanation, but I searched on-line and
nothing jumped out.

cl <- makeCluster(type="SOCK",c("localhost"),manual=TRUE)
Manually start worker on localhost with
      C:/PROGRA~1/R/R-214~1.2/bin/Rscript.exe "C:/Program
Files/R/R-2.14.2/library/snow/RSOCKnode.R" MASTER=localhost PORT=11944
OUT=/dev/null SNOWLIB=C:/Program Files/R/R-2.14.2/library
[HANGS]
cl <- makeCluster(type="SOCK",c("localhost","localhost"),manual=TRUE)
Manually start worker on localhost with
      C:/PROGRA~1/R/R-214~1.2/bin/Rscript.exe "C:/Program
Files/R/R-2.14.2/library/snow/RSOCKnode.R" MASTER=localhost PORT=11944
OUT=/dev/null SNOWLIB=C:/Program Files/R/R-2.14.2/library
[HANGS]

The computer:

Dell Inspiron I6400
with T2300 Dual Core processor


The OS:

version
                _
platform       i386-pc-mingw32
arch           i386
os             mingw32
system         i386, mingw32
status
major          2
minor          14.2
year           2012
month          02
day            29
svn rev        58522
language       R
version.string R version 2.14.2 (2012-02-29)

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--
Brian D. Ripley,                  rip...@stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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