Dear Duncan, thanks for your suggestion. I contacted "REvolution Computing" on this behalf. Rmpi and rlecuyer are loaded automatically, so they are not explicitly needed in the minimal example. I'll post the answer (if I receive one). It's quite an annoying problem if you frequently work on a server.
Cheers, Marius On 2011-03-13, at 13:26 , Duncan Murdoch wrote: > On 11-03-13 4:34 AM, Marius Hofert wrote: >> Dear expeRts, >> >> This is a similar post as on R-SIG-MAC [I didn't receive an answer there; >> not sure if it was the right place to post either]. >> >> I'm running R version 2.12.1 (Platform: x86_64-apple-darwin9.8.0/x86_64 >> (64-bit)) >> on a MacBook Pro under Mac OS X 10.6.6. The following minimal example runs >> fine >> under this setup. However, if I am connected to a server via a VPN client >> [Cisco AnyConnect; same with Apple's internal VPN connection], then the >> minimal >> example hangs and just does not do anything. The "red button" in the R >> Console >> is dark red [normal behavior if R is running], so R tries to do something, >> but >> cannot succeed. CPU goes up to 100%... Same happens if I start the job from >> the >> command line via R CMD BATCH. What's going on? Is this a known issue? >> >> Cheers, >> >> Marius >> >> library(doSNOW) >> library(Rmpi) >> library(rlecuyer) >> library(foreach) > > You're using 4 different contributed packages here. Do you really need all of > those? If so, it's going to be hard to debug. > > I'd suggest trying to determine the last successful call, and the first > unsuccessful one, then take this up with the maintainer of the package that > fails. > > Duncan Murdoch > >> >> cl<- makeCluster(mpi.universe.size(), type ="MPI") >> tmp<- clusterSetupRNG(cl, seed=rep(1,6)) >> registerDoSNOW(cl) >> >> counter<- 0 >> res<- foreach(k = 1:1000) %do% { >> counter<- counter + 1 >> } >> tmp<- stopCluster(cl) >> >> unlist(res) >> ______________________________________________ >> R-help@r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html >> and provide commented, minimal, self-contained, reproducible code. > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.