If you can get me the backtrace from one of the crash core files I would like to see what is going on there.
-Nathan ________________________________________ From: devel [devel-boun...@open-mpi.org] on behalf of Gilles Gouaillardet [gilles.gouaillar...@iferc.org] Sent: Thursday, May 08, 2014 1:32 AM To: Open MPI Developers Subject: Re: [OMPI devel] regression with derived datatypes George, you do not need any hardware, just download MPSS from Intel and install it. make sure the mic kernel module is loaded *and* you can read/write to the newly created /dev/mic/* devices. /* i am now running this on a virtual machine with no MIC whatsoever */ i was able to improve things a bit for the new attached test case /* send MPI_PACKED / recv newtype */ with the attached unpack.patch. it has to be applied on r31678 (aka the latest checkout of the v1.8 branch) with this patch (zero regression test so far, it might solve one problem but break anything else !) mpirun -np 2 -host localhost --mca btl,scif,vader ./test_scif2 works fine :-) but mpirun -np 2 -host localhost --mca btl scif,vader ./test_scif2 still crashes (and it did not crash before r31496) i will provide the output you requested shortly Cheers, Gilles
