[MPICH] ROMIO error

[Yong Chen]

I got it, thanks!

Yong

Rajeev Thakur wrote:
> Yong,
>      ROMIO is missing support for the MPI-2 function
> MPI_Type_create_resized. Until we fix it, you can use MPI_type_struct with
> an explicit MPI_LB and MPI_UB.
>
> Rajeev
>  
>
>   
>> -----Original Message-----
>> From: owner-mpich-discuss at mcs.anl.gov 
>> [mailto:owner-mpich-discuss at mcs.anl.gov] On Behalf Of Yong Chen
>> Sent: Friday, May 04, 2007 3:24 PM
>> To: mpich-discuss at mcs.anl.gov
>> Subject: [MPICH] ROMIO error
>>
>> Hi,
>>
>> I kept getting the following error when I run the sample 
>> MPI_File_set_view() code,
>>
>> Error: Unsupported datatype passed to ADIOI_Count_contiguous_blocks
>> [cli_0]: aborting job:
>> application called MPI_Abort(MPI_COMM_WORLD, 1) - process 0
>> rank 0 in job 125  x86_32838   caused collective abort of all ranks
>>   exit status of rank 0: killed by signal 9
>>
>> I did a debugging with gdb, the filetype caused the problem and 
>> MPI_File_set_view() threw the error. Indeed, if filetype is replaced 
>> with MPI_INT, it works well. Did a search on google, still 
>> cannot figure 
>> out why. Can anyone give me a clue? thanks very much! The 
>> following is 
>> the sample code.
>>
>> #include "mpi.h"
>> int main( int argc, char *argv[] )
>> {
>>     MPI_Aint     lb, extent;
>>     MPI_Datatype etype, filetype, contig;
>>     MPI_Offset   disp;
>>     MPI_File     fh;
>>     int buf[1000];
>>
>>     MPI_Init( &argc, &argv );
>>     /* ... other application code ... */
>>     MPI_File_open(MPI_COMM_WORLD, "datafile",
>>                   MPI_MODE_CREATE | MPI_MODE_RDWR, 
>> MPI_INFO_NULL, &fh);
>>
>>     MPI_Type_contiguous(2, MPI_INT, &contig);
>>     lb     = 0;
>>     extent = 6 * sizeof(int);
>>     MPI_Type_create_resized(contig, lb, extent, &filetype);
>>     MPI_Type_commit(&filetype);
>>
>>     disp  = 5 * sizeof(int);    /* assume displacement in 
>> this file view
>>                                    is of size equal to 5 integers */
>>     etype = MPI_INT;
>> /*    filetype = MPI_INT; */
>>     MPI_File_set_view(fh, disp, etype, filetype, "native",
>>                       MPI_INFO_NULL);
>>     MPI_File_write(fh, buf, 1000, MPI_INT, MPI_STATUS_IGNORE);
>>     /* ... */
>>     MPI_Finalize();
>>     return 0;
>> }
>>
>>
>> Thanks,
>> Yong
>>
>>
>>
>>     
>
>