I silenced these (Nathan reviewed) - will be in nightly 1.8 tarball tomorrow. It will return an error when we get a zero size as that shouldn’t be happening, so it might expose some other error(s)
> On May 7, 2015, at 1:47 AM, Lisandro Dalcin <dalc...@gmail.com> wrote: > > Folks, I've just built 1.8.5 to test with mpi4py. My configure line was: > > $ ./configure --prefix=/home/devel/mpi/openmpi/1.8.5 --enable-debug > --enable-mem-debug > > While running the tests, my terminal was flooded with malloc(0) > warnings, below a list of unique lines. > > malloc debug: Request for 0 bytes (coll_libnbc_ireduce_scatter_block.c, 67) > malloc debug: Request for 0 bytes (nbc_internal.h, 505) > malloc debug: Request for 0 bytes (osc_rdma_active_target.c, 74) > malloc debug: Request for 0 bytes (osc_rdma_active_target.c, 76) > > > -- > Lisandro Dalcin > ============ > Research Scientist > Computer, Electrical and Mathematical Sciences & Engineering (CEMSE) > Numerical Porous Media Center (NumPor) > King Abdullah University of Science and Technology (KAUST) > http://numpor.kaust.edu.sa/ > > 4700 King Abdullah University of Science and Technology > al-Khawarizmi Bldg (Bldg 1), Office # 4332 > Thuwal 23955-6900, Kingdom of Saudi Arabia > http://www.kaust.edu.sa > > Office Phone: +966 12 808-0459 > _______________________________________________ > devel mailing list > de...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/devel > Link to this post: > http://www.open-mpi.org/community/lists/devel/2015/05/17388.php