He can try adding "-mca state_base_verbose 5”, but if we are failing to catch sigchld, I’m not sure what debugging info is going to help resolve that problem. These aren’t even fast-running apps, so there was plenty of time to register for the signal prior to termination.
I vaguely recollect that we have occasionally seen this on Mac before and it had something to do with oddness in sigchld handling… > On Jun 4, 2016, at 7:01 AM, Jeff Squyres (jsquyres) <jsquy...@cisco.com> > wrote: > > Meh. Ok. Should George run with some verbose level to get more info? > >> On Jun 4, 2016, at 6:43 AM, Ralph Castain <r...@open-mpi.org> wrote: >> >> Neither of those threads have anything to do with catching the sigchld - >> threads 4-5 are listening for OOB and PMIx connection requests. It looks >> more like mpirun thought it had picked everything up and has begun shutting >> down, but I can’t really tell for certain. >> >>> On Jun 4, 2016, at 6:29 AM, Jeff Squyres (jsquyres) <jsquy...@cisco.com> >>> wrote: >>> >>> On Jun 3, 2016, at 11:07 PM, George Bosilca <bosi...@icl.utk.edu> wrote: >>>> >>>> After finalize. As I said in my original email I se all the output the >>>> application is generating, and all processes (which are local as this >>>> happens on my laptop) are in zombie mode (Z+). This basically means >>>> whoever was supposed to get the SIGCHLD, didn't do it's job of cleaning >>>> them up. >>> >>> Ah -- so perhaps threads 1,2,3 are red herrings: the real problem here is >>> that the parent didn't catch the child exits (which presumably should have >>> been caught in threads 4 or 5). >>> >>> Ralph: is there any state from threads 4 or 5 that would be helpful to >>> examine to see if they somehow missed catching children exits? >>> >>> -- >>> Jeff Squyres >>> jsquy...@cisco.com >>> For corporate legal information go to: >>> http://www.cisco.com/web/about/doing_business/legal/cri/ >>> >>> _______________________________________________ >>> devel mailing list >>> de...@open-mpi.org >>> Subscription: https://www.open-mpi.org/mailman/listinfo.cgi/devel >>> Link to this post: >>> http://www.open-mpi.org/community/lists/devel/2016/06/19070.php >> >> _______________________________________________ >> devel mailing list >> de...@open-mpi.org >> Subscription: https://www.open-mpi.org/mailman/listinfo.cgi/devel >> Link to this post: >> http://www.open-mpi.org/community/lists/devel/2016/06/19071.php > > > -- > Jeff Squyres > jsquy...@cisco.com > For corporate legal information go to: > http://www.cisco.com/web/about/doing_business/legal/cri/ > > _______________________________________________ > devel mailing list > de...@open-mpi.org > Subscription: https://www.open-mpi.org/mailman/listinfo.cgi/devel > Link to this post: > http://www.open-mpi.org/community/lists/devel/2016/06/19072.php
