We haven't figured it out yet - it seems somewhat erratic as your observations don't match anything we are seeing on our machines. We know the coll/ml component is causing trouble for Java applications (but nothing else, oddly enough), but that doesn't match your experience.
On Mar 12, 2014, at 9:01 PM, Saliya Ekanayake <esal...@gmail.com> wrote: > Just checking if there's some solution for this. > > Thank you, > Saliya > > > On Tue, Mar 11, 2014 at 10:54 PM, Saliya Ekanayake <esal...@gmail.com> wrote: > I forgot to mention that I tried the hello.c version instead of Java and it > too failed in a similar manner, but > > 1. On a single node with --mca btl ^tcp it went up to 24 procs before failing > 2. On 8 nodes with --mca btl ^tcp it could go only up to 16 procs > > > On Tue, Mar 11, 2014 at 5:06 PM, Saliya Ekanayake <esal...@gmail.com> wrote: > I just tested with "ml" turned off as you suggested, but unfortunately it > didn't solve the issue. > > However, I found that by explicitly setting --mca btl ^tcp the code worked on > upto 4 nodes with each running 8 procs. If I don't specify this it'll simply > fail even on one node with 8 procs. > > Thank you, > Saliya > > > On Tue, Mar 11, 2014 at 4:35 PM, Jeff Squyres (jsquyres) <jsquy...@cisco.com> > wrote: > Looks like we still have a bug in one of our components -- can you try: > > mpirun --mca coll ^ml ... > > This will deactivate the "ml" collective component. See if that enables you > to run (this particular component has nothing to do with Java). > > > On Mar 11, 2014, at 1:33 AM, Saliya Ekanayake <esal...@gmail.com> wrote: > > > Just tested that this happens even with the simple Hello.java program given > > in OMPI distribution. > > > > I've made a tarball containing details of the error adhering to > > http://www.open-mpi.org/community/help/. Please let me know if I have > > missed any info necessary. > > > > Thank you, > > Saliya > > > > > > > > > > On Mon, Mar 10, 2014 at 10:46 AM, Jeff Squyres (jsquyres) > > <jsquy...@cisco.com> wrote: > > Greetings, and thanks for trying out our Java bindings. > > > > Can you provide some more details? E.g., is there a particular program > > you're running that incurs these problems? Or is there even a particular > > MPI function that you're using that results in this segv (e.g., perhaps we > > have a specific bug somewhere)? > > > > Can you reduce the segv to a small example that we can reproduce (and > > therefore fix)? > > > > > > On Mar 10, 2014, at 12:05 AM, Saliya Ekanayake <esal...@gmail.com> wrote: > > > > > Hi, > > > > > > I have 8 nodes each with 2 quad core sockets. Also, the nodes have IB > > > connectivity. I am trying to run OMPI Java binding in OMPI trunk revision > > > 30301 with 8 procs per node totaling 64 procs. This gives a SIGSEV error > > > as below. > > > > > > I wonder if you have any suggestion to resolve this? > > > > > > Thank you, > > > Saliya > > > > > > # A fatal error has been detected by the Java Runtime Environment: > > > # > > > # SIGSEGV (0xb) at pc=0x000000313867b75b, pid=12229, tid=47864973515072 > > > # > > > # JRE version: Java(TM) SE Runtime Environment (8.0-b118) (build > > > 1.8.0-ea-b118) > > > # Java VM: Java HotSpot(TM) 64-Bit Server VM (25.0-b60 mixed mode > > > linux-amd64 compressed oops) > > > # Problematic frame: > > > # C [libc.so.6+0x7b75b] memcpy+0x15b > > > > > > > > > -- > > > Saliya Ekanayake esal...@gmail.com > > > http://saliya.org > > > _______________________________________________ > > > users mailing list > > > us...@open-mpi.org > > > http://www.open-mpi.org/mailman/listinfo.cgi/users > > > > > > -- > > Jeff Squyres > > jsquy...@cisco.com > > For corporate legal information go to: > > http://www.cisco.com/web/about/doing_business/legal/cri/ > > > > _______________________________________________ > > users mailing list > > us...@open-mpi.org > > http://www.open-mpi.org/mailman/listinfo.cgi/users > > > > > > > > -- > > Saliya Ekanayake esal...@gmail.com > > Cell 812-391-4914 Home 812-961-6383 > > http://saliya.org > > <hellobug.tar.gz>_______________________________________________ > > users mailing list > > us...@open-mpi.org > > http://www.open-mpi.org/mailman/listinfo.cgi/users > > > -- > Jeff Squyres > jsquy...@cisco.com > For corporate legal information go to: > http://www.cisco.com/web/about/doing_business/legal/cri/ > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > > > > -- > Saliya Ekanayake esal...@gmail.com > Cell 812-391-4914 Home 812-961-6383 > http://saliya.org > > > > -- > Saliya Ekanayake esal...@gmail.com > Cell 812-391-4914 Home 812-961-6383 > http://saliya.org > > > > -- > Saliya Ekanayake esal...@gmail.com > Cell 812-391-4914 Home 812-961-6383 > http://saliya.org > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
