Hi Jeff, i compiled OpenMPi using xgcc 4.0.2. I noted that the program stops before to do process spawn. Very strange.
2008/6/17 Jeff Squyres <jsquy...@cisco.com>: > I'm afraid that we've never tested OMPI under these conditions; I don't > know exactly what xgcc is testing for, so I don't know why it would fail. > There could be weird interactions between the OFED stack and xgcc...? > (i.e., memory "appears" from the kernel via ibv_* function calls, etc.) > > > > On Jun 14, 2008, at 7:58 AM, Gabriele Fatigati wrote: > > Hi Open MPI developers, >> >> I compiled OpenMPI 1.2.6 with xgcc, a gcc version with bounds-checking >> support. But i have a problem with a simply MPI application compiled with >> -fbounds-checking flags. >> >> The job doesn't works and it is locked to MPI_Init(), doing nothing. It is >> a very strange behaviour. I tried to increase various Infiniband timeout, >> like btl_openib_ib_timeout, orte_abort_timeout and >> btl_openib_ib_min_rnr_timer without results. >> >> Thanks in advance. >> >> >> >> -- >> Gabriele Fatigati >> >> CINECA Systems & Tecnologies Department >> >> Supercomputing Group >> >> Via Magnanelli 6/3, Casalecchio di Reno (BO) Italy >> >> www.cineca.it Tel: +39 051 6171722 >> >> g.fatig...@cineca.it _______________________________________________ >> users mailing list >> us...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/users >> > > > -- > Jeff Squyres > Cisco Systems > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > > -- Gabriele Fatigati CINECA Systems & Tecnologies Department Supercomputing Group Via Magnanelli 6/3, Casalecchio di Reno (BO) Italy www.cineca.it Tel: +39 051 6171722 g.fatig...@cineca.it