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From: Avishay Traeger (atraeger_at_[hidden])
Date: 2007-01-30 14:03:51


Jeff,
Upgrading to 1.1.3 solved both issues - thank you very much!

Avishay

On Mon, 2007-01-29 at 20:59 -0500, Jeff Squyres wrote:
> I'm quite sure that we have since fixed the command line parsing
> problem, and I *think* we fixed the mmap problem.
>
> Is there any way that you can upgrade to v1.1.3?
>
>
> On Jan 29, 2007, at 3:24 PM, Avishay Traeger wrote:
>
> > Hello,
> >
> > I have just installed Open MPI 1.1 on a 64-bit FC6 machine using yum.
> > The packages that were installed are:
> > openmpi-devel-1.1-7.fc6
> > openmpi-libs-1.1-7.fc6
> > openmpi-1.1-7.fc6
> >
> > I tried running ompi_info, but it results in a segmentation fault.
> > Running strace shows this at the end:
> >
> > mmap(NULL, 4294967296, PROT_READ|PROT_WRITE, MAP_PRIVATE|
> > MAP_ANONYMOUS,
> > -1, 0) = -1 ENOMEM (Cannot allocate memory)
> > --- SIGSEGV (Segmentation fault) @ 0 (0) ---
> > +++ killed by SIGSEGV +++
> >
> > The full output of ompi_info is:
> > # ompi_info
> > Open MPI: 1.1
> > Open MPI SVN revision: r10477
> > Open RTE: 1.1
> > Open RTE SVN revision: r10477
> > OPAL: 1.1
> > OPAL SVN revision: r10477
> > Prefix: /usr
> > Configured architecture: x86_64-redhat-linux-gnu
> > Configured by: brewbuilder
> > Configured on: Fri Oct 13 14:34:07 EDT 2006
> > Configure host: hs20-bc1-7.build.redhat.com
> > Built by: brewbuilder
> > Built on: Fri Oct 13 14:44:39 EDT 2006
> > Built host: hs20-bc1-7.build.redhat.com
> > C bindings: yes
> > C++ bindings: yes
> > Fortran77 bindings: yes (single underscore)
> > Fortran90 bindings: yes
> > Fortran90 bindings size: small
> > C compiler: gcc
> > C compiler absolute: /usr/bin/gcc
> > C++ compiler: g++
> > C++ compiler absolute: /usr/bin/g++
> > Fortran77 compiler: gfortran
> > Fortran77 compiler abs: /usr/bin/gfortran
> > Fortran90 compiler: gfortran
> > Fortran90 compiler abs: /usr/bin/gfortran
> > C profiling: yes
> > C++ profiling: yes
> > Fortran77 profiling: yes
> > Fortran90 profiling: yes
> > C++ exceptions: no
> > Thread support: posix (mpi: no, progress: no)
> > Internal debug support: no
> > MPI parameter check: runtime
> > Memory profiling support: no
> > Memory debugging support: no
> > libltdl support: yes
> > Segmentation fault
> >
> > It seems that at this point in the program, it tries to map 4GB of
> > memory, which results in ENOMEM. I'm guessing that the return
> > value of
> > mmap isn't checked, which results in this segmentation fault.
> >
> > Also, I tried running "mpirun", and the output was:
> > # mpirun
> > *** buffer overflow detected ***: mpirun terminated
> > ======= Backtrace: =========
> > /lib64/libc.so.6(__chk_fail+0x2f)[0x3f59ce0dff]
> > /lib64/libc.so.6[0x3f59ce065b]
> > /lib64/libc.so.6(__snprintf_chk+0x7b)[0x3f59ce052b]
> > /usr/lib64/openmpi/libopal.so.0(opal_cmd_line_get_usage_msg
> > +0x20a)[0x304901963a]
> > mpirun[0x403c7c]
> > mpirun(orterun+0xa4)[0x40260c]
> > mpirun(main+0x1b)[0x402563]
> > /lib64/libc.so.6(__libc_start_main+0xf4)[0x3f59c1da44]
> > mpirun[0x4024b9]
> >
> > It also included a "Memory map", which I left out.
> >
> > Any suggestions?
> >
> > Thanks in advance,
> > Avishay
> >
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>