[Nek5000-users] NEK with MOAB using MPI

nek5000-users at lists.mcs.anl.gov nek5000-users at lists.mcs.anl.gov
Wed Feb 19 07:56:40 CST 2014


Dear All,

I am trying to run NEK with Moab and have done so successfully when
launching the pipe example using one processor (i.e. running './nekmpi pipe
1' ).

To then run the example with more processors I have partitioned the
input.h5m mesh using mbpart (with Zoltan flags) and tested that HDF5 was
compiled well to work with mpi.

When I try to run the example on 4 ('./nekmpi pipe 4') processors I get the
following error:

----------------------------------------------------------------------------------
 read .rea file
 ASSERT ERROR:           21 in moab.f  line         477

 ASSERT ERROR:           21 in moab.f  line         477

 ASSERT ERROR:           21 in moab.f  line         477

 ASSERT ERROR:           21 in moab.f  line         477


call exitt: dying ...

backtrace(): obtained 10 stack frames.
./nek5000(print_stack_+0x1a) [0x58497a]
./nek5000(exitt_+0x24b) [0x64bd8b]
./nek5000(imesh_err_+0x170) [0x64b640]
./nek5000(nekmoab_load_+0xec) [0x649c1c]
./nek5000(nekmoab_import_+0x95) [0x64a425]
./nek5000(readat_+0x53f) [0x4cbdef]
./nek5000(nek_init_+0x57) [0x49c327]
./nek5000(main+0x24) [0x499184]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7f56b4fad995]
./nek5000() [0x49bb87]
----------------------------------------------------------------------------------

Any idea on what I am doing wrong please?

Regards,
JP
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