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From: Brian Granger (ellisonbg.net_at_[hidden])
Date: 2007-10-09 15:09:48


I should say that on FC5, where I see the error, mpi runs just fine.

Brian

On 10/9/07, Dirk Eddelbuettel <edd_at_[hidden]> wrote:
>
> On 8 October 2007 at 22:06, Brian Granger wrote:
> | Also seeing this problem on Fedora Core 5. Any resolution yet?
>
> No, none. With the exact same configuration (encoded in the Debian package
> build 'recipe' for the package), I get
>
> -- on Debian: 'unable to open osc pt2pt' verbosity but a working Open MPI setup
>
> -- on Ubuntu: no verbosity, but Open MPI hangs
>
> Very puzzling. I have rebuilt many other Debian packages on my Ubuntu
> systems and yet to see any divergence or regression in behaviour.
>
> Needless to say, I'd like to get this work, but I do not know what to try next.
>
> Dirk
>
>
>
> | Brian
> |
> | On 10/6/07, Dirk Eddelbuettel <edd_at_[hidden]> wrote:
> | >
> | > On 6 October 2007 at 09:36, Dirk Eddelbuettel wrote:
> | > |
> | > | On 5 October 2007 at 21:31, Brian Barrett wrote:
> | > | | On Oct 5, 2007, at 8:48 PM, Dirk Eddelbuettel wrote:
> | > | |
> | > | | > With the (Debian package of the) current 1.2.4 release, I am seeing
> | > | | > a lot of
> | > | | >
> | > | | > mca: base: component_find: unable to open osc pt2pt: file not
> | > | | > found (ignored)
> | > | | >
> | > | | > that I'd like to suppress.
> | > | | >
> | > | | > For these Debian packages, we added a (commented-out by default)
> | > | | > entry to
> | > | | > suppress the Infiniband noise when no Infiniband hardware is to be
> | > | | > found. I
> | > | | > would like to suppress this 'osc pt2pt' message too.
> | > | | >
> | > | | > But all attempts at guestimating parameters for
> | > | | > /etc/openmpi/openmpi-mca-params.conf
> | > | | > based on what
> | > | | > ompi_info all all
> | > | | > shows failed. Could someone help me along?
> | > | |
> | > | | This is a bit different, and points to something bad going on. The
> | > | | error message is that for some reason, a library that the pt2pt
> | > | | component depends on was not found. The pt2pt osc component is
> | > |
> | > | Uh-oh. Doesn't sound good.
> | > |
> | > | | entirely built on the MPI layer -- it shouldn't have any external
> | > | | dependencies. Can you run ldd on the library and see if there's
> | > | | anything obvious?
> | > |
> | > | edd_at_ron:~> ldd /usr/lib/openmpi/mca_osc_pt2pt.so
> | > | libnsl.so.1 => /lib/i686/cmov/libnsl.so.1 (0xb7f9a000)
> | > | libutil.so.1 => /lib/i686/cmov/libutil.so.1 (0xb7f96000)
> | > | libm.so.6 => /lib/i686/cmov/libm.so.6 (0xb7f70000)
> | > | libpthread.so.0 => /lib/i686/cmov/libpthread.so.0 (0xb7f59000)
> | > | libc.so.6 => /lib/i686/cmov/libc.so.6 (0xb7e11000)
> | > | /lib/ld-linux.so.2 (0x80000000)
> | > |
> | > | Not that I can tell. What else could I test? The build-logs don't reveal
> | > | anything fishy -- all pt2pt occurrences look fine. The build itself
> | > | proceeded fine (and this was the Debian package build I then uplod)
> | >
> | > Two more observations:
> | > -- the message does not appear on my Ubuntu system
> | > -- but it appears on Hao's Debian machine which does not use the Debian package
> | >
> | > Could this be some dynamic loading issue? How can we go about solving this?
> | >
> | > Dirk
> | >
> | > --
> | > Three out of two people have difficulties with fractions.
> | > _______________________________________________
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> | > users_at_[hidden]
> | > http://www.open-mpi.org/mailman/listinfo.cgi/users
> | >
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> --
> Three out of two people have difficulties with fractions.
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