[Mochi-devel] running mochi examples

Mon Nov 4 18:00:23 CST 2019

Thanks.

I am getting the following linking error:

Linking C executable 01_margo_hello_server
/usr/bin/ld: CMakeFiles/01_margo_hello_server.dir/hello_server.c.o:
undefined reference to symbol 'ABT_thread_create'
/gpfs/alpine/csc299/world-shared/amalik/mochi/spack/opt/spack/linux-rhel7-power9le/gcc-6.4.0/argobots-develop-uwvdjjdzrkn475ax7bw4w7hztawzidg3/lib/libabt.so.0:
error adding symbols: DSO missing from command line
/usr/bin/sha1sum: 01_margo_hello_server: No such file or directory
collect2: error: ld returned 1 exit status
make[2]: *** [01_margo_hello_server] Error 1
make[1]: *** [CMakeFiles/01_margo_hello_server.dir/all] Error 2
make: *** [all] Error 2

currently, I have the following:

Currently Loaded Modules:
  1) xl/16.1.1-3                      6) darshan-runtime/3.1.7
  11) boost-1.70.0-gcc-6.4.0-dw376xg
  2) spectrum-mpi/10.3.0.1-20190611   7) DefApps
  12) libfabric-1.8.1-gcc-6.4.0-d4kxa4p
  3) hsi/5.0.2.p5                     8) argobots-develop-gcc-6.4.0-uwvdjjd
 13) mercury-master-gcc-6.4.0-nbp34rm
  4) xalt/1.1.4                       9) bzip2-1.0.8-gcc-6.4.0-mdsmice
  14) margo-0.5.2-gcc-6.4.0-gniufvt
  5) lsf-tools/2.0                   10) zlib-1.2.11-gcc-6.4.0-nbedgs2
  15) cmake/3.15.2

Argobot is there. Am I missing something?

Abid

On Mon, Nov 4, 2019 at 5:10 PM Carns, Philip H. <carns at mcs.anl.gov> wrote:

> For the transport it should work Ok to just use "verbs://" now (the
> trailing colon and slashes are important, though).   Mercury will
> automatically convert that to the more verbose string internally.
>
> thanks,
> -Phil
> ------------------------------
> *From:* mochi-devel <mochi-devel-bounces at lists.mcs.anl.gov> on behalf of
> Latham, Robert J. via mochi-devel <mochi-devel at lists.mcs.anl.gov>
> *Sent:* Monday, November 4, 2019 3:11 PM
> *To:* mochi-devel at lists.mcs.anl.gov <mochi-devel at lists.mcs.anl.gov>;
> abidmuslim at gmail.com <abidmuslim at gmail.com>
> *Subject:* Re: [Mochi-devel] running mochi examples
>
> On Mon, 2019-11-04 at 07:37 -0500, Abid Malik via mochi-devel wrote:
> >
> > Hello,
> >
> > I am trying to play with the mochi examples at
> >
> >   https://xgitlab.cels.anl.gov/sds/sds-examples.git
> >
> > I am trying the example on summit:
> >
> > /mercury/01_hello/01_hg_hello_server
> >
> > How should I start the server/client? I am trying it on login2 node
> > and trying to initiate it like:
> >
> > ./01_hg_hello_server bmi+tcp://login2:1234
>
> I see you are using spack.  If so, I think you would have had to go out
> of your way to request the 'bmi' transport.  You probably built
> libfabric.  You can find out for sure with 'spack find'
>
> You tell margo (mercury, really) which protocol to use but the string
> for "libfabric using the verbs provider" is a little odd:
>
> "ofi+verbs;ofi_rxm://"
>
> > and getting errors.
> >
> > # NA -- Error -- /tmp/amalik/spack-stage/spack-stage-mercury-master-
> > nbp34rmg6rkc2ayiqxxxuupamvmdusr7/spack-src/src/na/na.c:281
> >  # NA_Initialize_opt(): Specified class name does not support
> > requested protocol
>
> This says mercury did not recognize 'bmi+tcp'.  You'd get the same
> error if you requested "moon_rock".
>
> I don't have a lot of guidance to offer you (yet).  I just got started
> on summit a few days ago.  When I try to take the advice I gave you I
> get an error, too:
>
> $ jsrun -r1 -n1 ./margo-example-server  verbs
> # NA -- Error -- /tmp/robl/spack-stage/spack-stage-mercury-master-
> c6nwqortoqjsyviyinlg5t6sfay6wv7l/spack-src/src/na/na.c:279
>  # NA_Initialize_opt(): Specified class name does not support requested
> protocol
>
> That's what we expect.  margo/mercury don't know what 'verbs'
> is.  Instead, we need to tell margo/mercury to use OFI (libfabric):
>
> $ jsrun -r1 -n1 ./margo-example-server "ofi+verbs;ofi_rxm://"
> # NA -- Error -- /tmp/robl/spack-stage/spack-stage-mercury-master-
> c6nwqortoqjsyviyinlg5t6sfay6wv7l/spack-src/src/na/na_ofi.c:1406
>  # na_ofi_getinfo(): fi_getinfo() failed, rc: -61(No data available)
>
> Uh, I'm still working on that one...
>
> ==rob
>
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>

-- 
Abid M. Malik
******************************************************
"I have learned silence from the talkative, toleration from the intolerant,
and kindness from the unkind"---Gibran
"Success is not for the chosen few, but for the few who choose" --- John
Maxwell
"Being a good person does not depend on your religion or status in life,
your race or skin color, political views or culture. IT DEPENDS ON HOW GOOD
YOU TREAT OTHERS"--- Abid
"The Universe is talking to us, and the language of the Universe is
mathematics."----Abid
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