Is anyone aware of what version of netcdf and/or hdf5 fixes this problem.
It would help me to get installations updated if I can point to a specific
version. Could it be the mpi library?
On Tue, Feb 18, 2014 at 4:14 PM, Quincey Koziol <quincey@xxxxxxxxx> wrote:
> Hi Jim,
> I'm using the latest code from the HDF5 subversion repo, here:
>
> http://svn.hdfgroup.uiuc.edu/hdf5/branches/hdf5_1_8/
>
> And the latest code from the netCDF-4 git repo, here:
>
> https://github.com/Unidata/netcdf-c
>
> I'm also using OpenMPI, v1.7.3.
>
> Quincey
>
> On Feb 18, 2014, at 2:04 PM, Jim Edwards <jedwards@xxxxxxxx> wrote:
>
> Hi Quincey,
>
> I still get the error after making the suggested changes. What versions
> of hdf5 and netcdf are you using?
>
> Jim
>
>
>
> On Tue, Feb 18, 2014 at 7:41 AM, Quincey Koziol <quincey@xxxxxxxxx> wrote:
>
>> Hi Jim,
>> I've tested your program on the latest version of HDF5 and the
>> latest version of netCDF-4 and it's working fine with "mpirun -np 4 ./bug".
>> I did have to tweak your program slightly to get it to compile, so maybe
>> that's the issue you are having:
>>
>> #include <stdio.h>
>> #include "netcdf.h"
>> #include "mpi.h"
>> #include "netcdf_par.h"
>>
>> int main( int argc, char *argv[])
>> {
>> int mype, npe;
>> int fh, ierr;
>>
>> MPI_Init(&argc,&argv);
>> MPI_Comm_size(MPI_COMM_WORLD, &npe);
>> MPI_Comm_rank(MPI_COMM_WORLD, &mype);
>>
>> ierr = nc_create_par("try.nc",NC_MPIIO, MPI_COMM_WORLD, MPI_INFO_NULL,
>> &fh);
>> printf("%d %d\n",__LINE__,ierr);
>> ierr = nc_enddef(fh);
>> printf("%d %d\n",__LINE__,ierr);
>> ierr = nc_close(fh);
>> printf("%d %d\n",__LINE__,ierr);
>>
>> ierr = nc_open_par("try.nc",NC_MPIIO, MPI_COMM_WORLD, MPI_INFO_NULL,
>> &fh);
>> printf("%d %d\n",__LINE__,ierr);
>> ierr = nc_close(fh);
>> printf("%d %d\n",__LINE__,ierr);
>>
>> MPI_Finalize();
>> }
>>
>> Give that version a try a see if it works for you,
>> Quincey
>>
>>
>> > I have a very simple unit test that is failing when I try to use netcdf4
>> > parallel. The test creates a file, calls enddef, closes the file, then
>> > trys to reopen it. Using netcdf 4.3.0 built with hdf5 1.8.11 I am
>> getting
>> > an assert error when I run this test,
>> > 3:testnetcdf4: nc4file.c:2858: NC4_open: Assertion `0' failed.
>> > 0:testnetcdf4: nc4file.c:2858: NC4_open: Assertion `0' failed.
>> > 1:testnetcdf4: nc4file.c:2858: NC4_open: Assertion `0' failed.
>> > 2:testnetcdf4: nc4file.c:2858: NC4_open: Assertion `0' failed.
>> >
>> > The same test written in F90 instead of C passes.
>> >
>> > #include <netcdf.h>
>> > #include <mpi.h>
>> > #include <netcdf_par.h>
>> >
>> > int main( int *argc, char ***argv)
>> > {
>> > int mype, npe;
>> > int fh, ierr;
>> > MPI_Init(argc,argv);
>> > MPI_Comm_size(MPI_COMM_WORLD, &npe);
>> > MPI_Comm_rank(MPI_COMM_WORLD, &mype);
>> >
>> > ierr = nc_create_par("try.nc",NC_MPIIO, MPI_COMM_WORLD, MPI_INFO_NULL,
>> > &fh);
>> > printf("%d %d\n",__LINE__,ierr);
>> > ierr = nc_enddef(fh);
>> > printf("%d %d\n",__LINE__,ierr);
>> > ierr = nc_close(fh);
>> > printf("%d %d\n",__LINE__,ierr);
>> >
>> > ierr = nc_open_par("try.nc",NC_MPIIO, MPI_COMM_WORLD, MPI_INFO_NULL,
>> &fh);
>> > printf("%d %d\n",__LINE__,ierr);
>> > ierr = nc_close(fh);
>> > printf("%d %d\n",__LINE__,ierr);
>> >
>> > MPI_Finalize();
>> > }
>> >
>>
>> _______________________________________________
>> netcdfgroup mailing list
>> netcdfgroup@xxxxxxxxxxxxxxxx
>> For list information or to unsubscribe, visit:
>> http://www.unidata.ucar.edu/mailing_lists/
>>
>
>
>
> --
> Jim Edwards
>
> CESM Software Engineering Group
> National Center for Atmospheric Research
> Boulder, CO
> 303-497-1842
>
>
>
--
Jim Edwards
CESM Software Engineering Group
National Center for Atmospheric Research
Boulder, CO
303-497-1842
