Ralph,

Building with gcc-4.1.2 fixed the problem for me.  I also removed an old
install of ompi-1.4 that was in LD_LIBRARY_PATH at build time and might
have been a contributing factor.  If I'd known earlier that it was there, I
wouldn't have reported the problem without first removing it.

I can build again with gcc-4.0.0 and --enable-debug if you are still
interested in trying to get a line number.  This would also determine if
LD_LIBRARY_PATH was the true culprit.

-Paul [Sent from my phone]
On Jan 8, 2014 8:02 PM, "Ralph Castain" <r...@open-mpi.org> wrote:

> Most likely problem is a bad backing store site - any chance you could
> give me a line number from this? There are a lot of calls to register
> params in that code and I'd need some help in figuring out which one wasn't
> right.
>
>
> On Jan 8, 2014, at 6:59 PM, Paul Hargrove <phhargr...@lbl.gov> wrote:
>
> I am still testing the current 1.7.4rc tarball on my various systems.  The
> latest failure (shown below) is a SEGV somewhere below MPI_Init on a old,
> but otherwise fairly normal, Linux/x86 (32-bit) system.
>
> $ /home/pcp1/phargrov/OMPI/openmpi-1.7-latest-linux-x86/INST/bin/mpirun
> -np 1 examples/ring_c
> [pcp-j-6:29031] *** Process received signal ***
> [pcp-j-6:29031] Signal: Segmentation fault (11)
> [pcp-j-6:29031] Signal code: Address not mapped (1)
> [pcp-j-6:29031] Failing at address: 0x6c6c6f63
> [pcp-j-6:29031] [ 0] [0xbe4440]
> [pcp-j-6:29031] [ 1]
> /home/pcp1/phargrov/OMPI/openmpi-1.7-latest-linux-x86/INST/lib/libopen-pal.so.6(mca_base_var_enum_create+0x15d)
> [0x2b11ed]
> [pcp-j-6:29031] [ 2]
> /home/pcp1/phargrov/OMPI/openmpi-1.7-latest-linux-x86/INST/lib/openmpi/mca_coll_ml.so(mca_coll_ml_register_params+0x639)
> [0x440909]
> [pcp-j-6:29031] [ 3]
> /home/pcp1/phargrov/OMPI/openmpi-1.7-latest-linux-x86/INST/lib/libopen-pal.so.6(mca_base_framework_components_register+0x14e)
> [0x2b2cce]
> [pcp-j-6:29031] [ 4]
> /home/pcp1/phargrov/OMPI/openmpi-1.7-latest-linux-x86/INST/lib/libopen-pal.so.6(mca_base_framework_register+0x1b5)
> [0x2b32a5]
> [pcp-j-6:29031] [ 5]
> /home/pcp1/phargrov/OMPI/openmpi-1.7-latest-linux-x86/INST/lib/libopen-pal.so.6(mca_base_framework_open+0x4e)
> [0x2b333e]
> [pcp-j-6:29031] [ 6]
> /home/pcp1/phargrov/OMPI/openmpi-1.7-latest-linux-x86/INST/lib/libmpi.so.1(ompi_mpi_init+0x53d)
> [0xaf359d]
> [pcp-j-6:29031] [ 7]
> /home/pcp1/phargrov/OMPI/openmpi-1.7-latest-linux-x86/INST/lib/libmpi.so.1(MPI_Init+0x13d)
> [0xb10d6d]
> [pcp-j-6:29031] [ 8] examples/ring_c [0x80486e9]
> [pcp-j-6:29031] [ 9] /lib/libc.so.6(__libc_start_main+0xdc) [0x125ebc]
> [pcp-j-6:29031] [10] examples/ring_c [0x8048631]
> [pcp-j-6:29031] *** End of error message ***
> --------------------------------------------------------------------------
> mpirun noticed that process rank 0 with PID 29031 on node pcp-j-6 exited
> on signal 11 (Segmentation fault).
> --------------------------------------------------------------------------
>
> The failure shown is for a singleton run, but np=2 fails as well.
>
> System info:
> $ uname -a
> Linux pcp-j-6 2.6.18-238.1.1.el5PAE #1 SMP Tue Jan 18 19:28:42 EST 2011
> i686 athlon i386 GNU/Linux
> $ gcc --version
> gcc (GCC) 4.0.0
> Copyright (C) 2005 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions.  There is NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
>
> The only configure argument used was --prefix.
>
> I was going to attach output from "ompi_info --all", but it SEGV's too!
>
> $ ompi_info --all
> [pcp-j-6:29092] *** Process received signal ***
> [pcp-j-6:29092] Signal: Segmentation fault (11)
> [pcp-j-6:29092] Signal code: Address not mapped (1)
> [pcp-j-6:29092] Failing at address: 0x6c6c6f63
> [pcp-j-6:29092] [ 0] [0xd8a440]
> [pcp-j-6:29092] [ 1]
> /home/pcp1/phargrov/OMPI/openmpi-1.7-latest-linux-x86/INST/lib/libopen-pal.so.6(mca_base_var_enum_create+0x15d)
> [0x2db1ed]
> [pcp-j-6:29092] [ 2]
> /home/pcp1/phargrov/OMPI/openmpi-1.7-latest-linux-x86/INST/lib/openmpi/mca_coll_ml.so(mca_coll_ml_register_params+0x639)
> [0x48d909]
> [pcp-j-6:29092] [ 3]
> /home/pcp1/phargrov/OMPI/openmpi-1.7-latest-linux-x86/INST/lib/libopen-pal.so.6(mca_base_framework_components_register+0x14e)
> [0x2dccce]
> [pcp-j-6:29092] [ 4]
> /home/pcp1/phargrov/OMPI/openmpi-1.7-latest-linux-x86/INST/lib/libopen-pal.so.6(mca_base_framework_register+0x1b5)
> [0x2dd2a5]
> [pcp-j-6:29092] [ 5]
> /home/pcp1/phargrov/OMPI/openmpi-1.7-latest-linux-x86/INST/lib/libopen-pal.so.6(opal_info_register_project_frameworks+0x57)
> [0x2b83d7]
> [pcp-j-6:29092] [ 6]
> /home/pcp1/phargrov/OMPI/openmpi-1.7-latest-linux-x86/INST/lib/libmpi.so.1(ompi_info_register_framework_params+0x81)
> [0xa69251]
> [pcp-j-6:29092] [ 7] ompi_info(main+0x2ba) [0x8049a2a]
> [pcp-j-6:29092] [ 8] /lib/libc.so.6(__libc_start_main+0xdc) [0x125ebc]
> [pcp-j-6:29092] [ 9] ompi_info [0x80496e1]
> [pcp-j-6:29092] *** End of error message ***
> Segmentation fault (core dumped)
>
> I will try again with a newer gcc and report back.
>
> -Paul
>
> --
> Paul H. Hargrove                          phhargr...@lbl.gov
> Future Technologies Group
> Computer and Data Sciences Department     Tel: +1-510-495-2352
> Lawrence Berkeley National Laboratory     Fax: +1-510-486-6900
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