We did not support ARM until Open MPI 1.5.x. On Mar 21, 2012, at 7:07 AM, Juan Solano wrote:
> > Hello, > > I have a problem using Open MPI on my linux system (pandaboard running > Ubuntu precise). A call to MPI_Init_thread with the following parameters > hangs: > > MPI_Init_thread(0, 0, MPI_THREAD_MULTIPLE, &provided); > > it seems that we are stuck on this loop in function > opal_condition_wait(): > > while (c->c_signaled == 0) { > opal_progress(); > > > this is the call stack: > > #0 opal_condition_wait (c=0x42528, m=0x42500) at > ../../../../../../opal/threads/condition.h:76 > #1 0xb6d23124 in orte_rml_oob_send (peer=0xb6e40ae0, iov=0xbeffefa4, > count=1, tag=1, flags=16) > at ../../../../../../orte/mca/rml/oob/rml_oob_send.c:153 > #2 0xb6d2351a in orte_rml_oob_send_buffer (peer=0xb6e40ae0, > buffer=0xbeffefdc, tag=1, flags=0) > at ../../../../../../orte/mca/rml/oob/rml_oob_send.c:269 > #3 0xb6e2dca6 in orte_routed_base_register_sync (setup=true) at > ../../../../../orte/mca/routed/base/routed_base_register_sync.c:91 > #4 0xb6d46274 in init_routes (job=3667329025, ndat=0x0) at > ../../../../../../orte/mca/routed/binomial/routed_binomial.c:890 > #5 0xb6e1a088 in orte_ess_base_app_setup () at > ../../../../../orte/mca/ess/base/ess_base_std_app.c:150 > #6 0xb6d2e630 in rte_init (flags=0 '\000') at > ../../../../../../orte/mca/ess/singleton/ess_singleton_module.c:276 > #7 0xb6e01404 in orte_init (flags=0 '\000') at > ../../../orte/runtime/orte_init.c:131 > #8 0xb6f552dc in ompi_mpi_init (argc=0, argv=0x0, requested=0, > provided=0xbefff67c) at ../../../ompi/runtime/ompi_mpi_init.c:344 > #9 0xb6f7c6f2 in PMPI_Init_thread (argc=0x0, argv=0x0, required=0, > provided=0xbefff67c) at pinit_thread.c:84 > #10 0x00008572 in main () at test_lib.c:8 > > > In function opal_condition_wait(), opal_using_threads() returns false, > shouldn't this returns true in this case, as we are calling the > initialization function with MPI_THREAD_MULTIPLE? > > The global opal_uses_threads is set by calling opal_set_using_threads() > from MPI_Init_thread(), however this happens further down in this > function and we never reach the point in which this is set. > > Thanks, > Juan. > _______________________________________________ > devel mailing list > de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/devel -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/