[OMPI devel] [patch] SEGV on processing unexpected messages

2012-10-17 Thread Kawashima, Takahiro
Hi Open MPI developers, I found another issue in Open MPI. In MCA_PML_OB1_RECV_FRAG_INIT macro in ompi/mca/pml/ob1/pml_ob1_recvfrag.h file, we copy a PML header from an arrived message to another buffer, as follows: frag->hdr = *(mca_pml_ob1_hdr_t*)hdr; On this copy, we cast hdr to mca_pml_

[OMPI devel] Cross Memory Attach: What am I Missing?

2012-10-17 Thread Gutierrez, Samuel K
Hi, I'm trying to run with CMA support, but process_vm_readv is failing with EPERM when trying to use it as a regular user (everything seems to work fine as root). I've looked around for some solutions, but I can't seem to find what I'm looking for. The documentation states that the target and

[OMPI devel] 1.6.3rc1 posted

2012-10-17 Thread Jeff Squyres
In the usual location: http://www.open-mpi.org/software/ompi/v1.6/ Changes since 1.6.2: - Add Mellanox ConnextIB IDs - Fix rankfile when no -np is given. - FreeBSD detection improvement. Thanks to Brooks Davis for the patch. - Removed TCP warnings on Windows. - Improved collective algorit

[OMPI devel] question about Open MPI collectives on shared memory

2012-10-17 Thread Shigang Li
Dear Open MPI developers, I'm a graduate student and recently test some minibenchmarks using Open MPI library on Xeon X5650 cluster. From the website of Open MPI, I know that Open MPI can use *sm BTL* to transfer data with high bandwidth via shared memory. My question is that what about Open MPI