If someone wants to submit a patch in the immediate future (i.e., within the next hour), great.
Otherwise, I'm still going to release 1.6.4 as-is. If someone wants to submit a patch after 1.6.4 is out, that's fine -- if we ever do 1.6.5, it can go in there. On Feb 20, 2013, at 4:09 PM, Nathan Hjelm <hje...@lanl.gov> wrote: > On Wed, Feb 20, 2013 at 10:28:56AM -0800, Eugene Loh wrote: >> On 02/20/13 07:54, Jeff Squyres (jsquyres) wrote: >>> All MTT testing looks good for 1.6.4. There seems to be an MPI dynamics >>> problem when --enable-spare-groups is used, but this does not look like a >>> regression to me. >>> >>> I put out a final rc, because there was one more minor change to >>> accommodate an MXM API change; it's in the usual place: >>> >>> http://www.open-mpi.org/software/ompi/v1.6/ >>> >>> Unless something disastrous happens, I plan to release this as the final >>> 1.6.4 tomorrow. >> >> I don't think this qualifies as "disastrous", but... >> >> I've been trying to do some 1.6 testing on Solaris. (Solaris 11, >> Oracle Studio compilers, both SPARC and x86) Results generally look >> good. The main issue appears to be: >> >> - SPARC >> *AND* >> - compile with "-m32 -xmemalign=8s" (the latter means assume at most 8-byte >> alignment, with sigbus for misalignment) >> *AND* >> - openib >> >> There is a sigbus during MPI_Init. Specifically, if I go to >> btl_openib_frag.h out_constructor(), I see: >> >> frag->sr_desc.wr_id = (uint64_t)(uintptr_t)frag; >> >> and the left-hand side is on a 4-byte (but not 8-byte) boundary. How hard >> would it be to get openib frags on 8-byte boundaries? > > Very easy. Just adjust the parameters given to ompi_free_list_init(). There > are arguments for frag alignment and data alignment. Looking at > btl_openib_component.c a number of free lists have the alignment set at 2. > Change those to 8 and see if that fixes the problem. > > Anyone know why these were set with an alignment of 2 in the first place? I > would have expected 8 or opal_cache_line_size. > > -Nathan > _______________________________________________ > 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/
