Re: [OMPI users] Java-OpenMPI returns with SIGSEGV

2016-07-12 Thread Gundram Leifert
a revamped memory patcher (compared to v2.x or v1.10), and that could have some bad interactions with the JVM, so you might also give v2.x a try Cheers, Gilles On Friday, July 8, 2016, Gundram Leifert > wrote: You made the best of it... thanks a

Re: [OMPI users] Java-OpenMPI returns with SIGSEGV

2016-07-08 Thread Gundram Leifert
ly 8, 2016, Gundram Leifert <mailto:gundram.leif...@uni-rostock.de>> wrote: In any cases the same error. this is my code: salloc -n 3 export IPATH_NO_BACKTRACE ulimit -s 10240 mpirun -np 3 java -cp executor.jar de.uros.citlab.executor.test.TestSendBigFiles2

Re: [OMPI users] Java-OpenMPI returns with SIGSEGV

2016-07-08 Thread Gundram Leifert
try export IPATH_NO_BACKTRACE before invoking mpirun (that should not be needed though) an other test is to ulimit -s 10240 before invoking mpirun. btw, do you use mpirun or srun ? can you reproduce the crash with 1 or 2 tasks ? Cheers, Gilles On Friday, July 8, 2016, Gundram Leifert

Re: [OMPI users] Java-OpenMPI returns with SIGSEGV

2016-07-08 Thread Gundram Leifert
/2016 4:17 PM, Gundram Leifert wrote: Hello Gilles, I tried you code and it crashes after 3-15 iterations (see (1)). It is always the same error (only the "94" varies). Meanwhile I think Java and MPI use the same memory because when I delete the hash-call, the program runs sometimes mo

Re: [OMPI users] Java-OpenMPI returns with SIGSEGV

2016-07-07 Thread Gundram Leifert
sion of your program. the crash occurs in hashcode, and this makes little sense to me. can you also update your jdk ? Cheers, Gilles On Wednesday, July 6, 2016, Gundram Leifert wrote: Hello Jason, thanks for your response! I thing it is another problem. I

Re: [OMPI users] Java-OpenMPI returns with SIGSEGV

2016-07-06 Thread Gundram Leifert
hopefully the hang will disappear. Can you reproduce the crash with a simpler (and ideally deterministic) version of your program. the crash occurs in hashcode, and this makes little sense to me. can you also update your jdk ? Cheers, Gilles On Wednesday, July 6, 2016, Gundram Leifert &l

Re: [OMPI users] Java-OpenMPI returns with SIGSEGV

2016-07-06 Thread Gundram Leifert
dead lock while MPI.init. This stays for more than 15 minutes without returning with an error message... Can I enable some debug-flags to see what happens on C / OpenMPI side? Thanks in advance for your help! Gundram Leifert On 07/05/2016 06:05 PM, Jason Maldonis wrote: After reading your thread look

[OMPI users] Java-OpenMPI returns with SIGSEGV

2016-07-05 Thread Gundram Leifert
Hello, I try to send many byte-arrays via broadcast. After a specific number of repetitions the process either hangs up or returns with a SIGSEGV. Does any one can help me solving the problem: ## The code: import java.util.Random; import mpi.*; public class TestSendBigFiles { p