In short, I haven't yet. I figured out the problem was in hwloc, and started with the hwloc branch by itself.
In Open MPI, we should be able to pass the --disable-gcc-builtin from the main configure, right (since we pull in config/hwloc_internal.m4)? So we would pass it similar to how we had to pass --disable-xml to turn off that feature in the builtin hwloc (before it was turned off by default). -- Josh On Wed, Jun 8, 2011 at 4:50 PM, Jeff Squyres <jsquy...@cisco.com> wrote: > Josh -- > > How did you get this disabled from within OMPI? We don't invoke hwloc's > configure via sub-shell; we directly invoke its m4, so we don't have an > opportunity to pass --disable-gcc-builtin. Unless you passed that to the > top-level OMPI configure script...? > > > On Jun 8, 2011, at 4:28 PM, Josh Hursey wrote: > >> (This should have gone to the devel list) >> >> The attached patch adds a configure option (--disable-gcc-builtin) to >> disable the use of GCC __builtin_ operations, even if the GCC compiler >> supports them. The patch is a diff from the r3509 revision of the >> hwloc trunk. >> >> I hit a problem when installing hwloc statically on a machine with a >> slightly different gcc support libraries and OSs on the head/compile >> node versus the compute nodes. The builtin functions would cause hwloc >> to segfault when run on the compute nodes. By disabling the builtin >> operations, and using the more portable techniques seemed to do the >> trick. >> >> This problem first became apparent when using hwloc as part of Open >> MPI. In Open MPI the mpirun process runs on the headnode, so the hwloc >> install would work in the mpirun process but cause the compute >> processes to segv. >> >> Can you review the patch, and apply it to the trunk? Once the patch is >> in the trunk, then I'll work on the Open MPI folks to update their >> revision. >> >> Thanks, >> Josh >> >> -- >> Joshua Hursey >> Postdoctoral Research Associate >> Oak Ridge National Laboratory >> http://users.nccs.gov/~jjhursey >> <hwloc-diff-r3509.diff>_______________________________________________ >> hwloc-users mailing list >> hwloc-us...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-users > > > -- > Jeff Squyres > jsquy...@cisco.com > For corporate legal information go to: > http://www.cisco.com/web/about/doing_business/legal/cri/ > > > _______________________________________________ > hwloc-users mailing list > hwloc-us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-users > > -- Joshua Hursey Postdoctoral Research Associate Oak Ridge National Laboratory http://users.nccs.gov/~jjhursey
