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[netCDF #FIL-651276]: netcdf-c-4.3.1-rc2 ncdump test failures

Hi Dom,

We had someone build and run your test program, and he reported:

  I spent some time today looking into this, and unfortunately, I
  can't duplicate the failure.  I've tried on a POWER7 system running
  Linux that I have access to, but that passes all the tests properly.
  The source & test code looks good to me also, so I don't have any
  good options for helping Dominikus out, unless he'd like to give me
  access to the system where the failure is occurring.

Is it possible to provide an external user access to your IBM Power6 
system, with enough resources to build, run, and debug this problem?


> > I built netcdf-c-4.3.1 from the latest release candidate 2 against 
> > hdf5-1.8.11, 64bit, compiled by the sysadmins of the HPC I am using (IBM 
> > Power6). Unfortunately, make check fails in directory ncdump for 5 tests, 
> > and I think they are all related to scalar variables/dataspaces in NetCDF4 
> > files.
> I see you are enabling many options for configure:
> >  $ ./configure --prefix=/pf/k/k203080/3rdparty --enable-netcdf4 
> > --enable-extra-example-tests --enable-dependency-tracking 
> > --enable-dap-long-tests --enable-extra-tests --enable-large-file-tests 
> > --enable-shared --enable-static
> We don't test releases with all combinations of configure options
> enabled.  The default configure will run the tests we use for
> development.  It will also build a library with netCDF-4 enabled (if
> an HDF5 library is found installed where CPPFLAGS and LDFLAGS), with
> DAP remote access enabled (if libcurl is installed), and with shared
> and static libraries.  The --enable-dap-long-tests and
> --enable-extra-example-tests are intended for developers, and may
> sometimes include tests that don't yet pass on all platforms,
> especially in release candidates.
> > I read about a problem with scalar data in NetCDF4 files with the earlier 
> > version 4.3.0 (for which I got three failures in ncdump) and that this was 
> > fixed in rc1. Presumably my assumption that the bug was related to the 
> > failures was wrong?
> We don't know yet.  All the ncdump tests pass on our test platforms, 
> including Linux,
> Solaris, OSX, and Windows, but we don't have access to an up-to-date AIX 
> platform on
> which we can duplicate the problems you are seeing.
> > I am attaching my config.log that contains all the necessary information 
> > for my build and the ncdump/test-suite.log.
> >
> > Note that I can use the NetCDF library without problems with WRF, so I am 
> > not sure if it is a real problem - but I wanted to report it as requested 
> > in the make check output.
> Thanks for reporting the problems!  If we can reproduce them, we'll put them 
> in our
> bug-tracking system for fixing.
> --Russ
> > Regards
> >
> > Dom
> >
> > --
> > Dr. Dominikus Heinzeller
> >
> > Karlsruhe Institute of Technology (KIT)
> > Institute for Meteorology and Climate Research (IMK-IFU)
> > Kreuzeckbahnstr. 19
> > 82467 Garmisch-Partenkirchen, Germany
> >
> > Phone +49-8821-183259
> > Email address@hidden
> >
> Russ Rew                                         UCAR Unidata Program
> address@hidden                      http://www.unidata.ucar.edu

Russ Rew                                         UCAR Unidata Program
address@hidden                      http://www.unidata.ucar.edu

Ticket Details
Ticket ID: FIL-651276
Department: Support netCDF
Priority: Normal
Status: Closed

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