[mpich-discuss] Internal Error: invalid error code 409e10 (Ring ids do not match)

[Jakub Łuczyński]

This are Linux platforms, and I do not have administrative rights to change
anything in this environment (it is shared, multiuser env, with this
version of MPICH installed for quite time i guess). I could try to talk
with administrators but i am not 100% sure that the code (posted in this
mail) is correct.

Best regards,
Kuba

On Tue, Jun 3, 2014 at 12:03 AM, Lu, Huiwei <huiweilu at mcs.anl.gov> wrote:

> Hi Kuba,
>
> Since it works with both Open MPI and BGP, it is most likely a problem of
> your MPICH installation or your platform.
>
> We have stopped supporting the Windows platform a while ago due to lack of
> developer resources. Please refer to our FAQ for more information:
>
> http://wiki.mpich.org/mpich/index.php/Frequently_Asked_Questions#Q:_Why_can.27t_I_build_MPICH_on_Windows_anymore.3F
>
> If it is on windows platform, we recommend you use Microsoft MPI, which
> can be found here:
> http://msdn.microsoft.com/en-us/library/bb524831(v=vs.85).aspx
>
> We also encourage you to use the latest MPICH on Linux or OSX platforms,
> which can be downloaded here: http://www.mpich.org/downloads/
>
> —
> Huiwei
>
> On Jun 2, 2014, at 4:49 PM, Jakub Łuczyński <doubleloop at o2.pl> wrote:
>
> > I wrote my assignment using MPI, and tested it both locally on Open MPI
> (1.6.5) and on IBM Blue Gene/P (with mpi implementation provided by IBM).
> Everything worked fine. Turns out that our solutions are tested also in our
> labs where MPICH, is installed:
> >
> > $ mpich2version
> > MPICH2 Version:        1.4.1p1
> >
> > And when I run my solution there I get this strange error:
> > $ mpirun -n 2 msp-par.exe 10 10 1
> > Internal Error: invalid error code 409e10 (Ring ids do not match) in
> MPIR_Reduce_impl:1087
> > Fatal error in PMPI_Reduce: Other MPI error, error stack:
> > PMPI_Reduce(1270).....: MPI_Reduce(sbuf=0x7fff693a92e8,
> rbuf=0x7fff693a9300, count=1, dtype=USER<struct>, op=0x98000000, root=0,
> MPI_COMM_WORLD) failed
> > MPIR_Reduce_impl(1087):
> >
> > I am literally out of ideas what is wrong!
> >
> > Below source code fragments (c++):
> >
> > struct msp_solution
> > {
> >    int x1, y1, x2, y2;
> >    m_entry_t max_sum;
> >    msp_solution();
> >    msp_solution(const pair<int, int> &c1, const pair<int, int> &c2, int
> max_sum);
> >    friend bool operator<(const msp_solution &s1, const msp_solution &s2);
> > };
> >
> > void max_msp_solution(msp_solution *in, msp_solution *inout, int,
> MPI_Datatype*)
> > {
> >     *inout = max(*in, *inout);
> > }
> >
> > // somewhere in code
> > {
> >     MPI_Datatype MPI_msp_solution_t;
> >     MPI_Op max_msp_solution_op;
> >
> >     // create MPI struct from msp_solution
> >     MPI_Datatype types[] = { MPI_INT, MPI_LONG_LONG_INT };
> >     int block_lengths[] = { 4, 2 };
> >     MPI_Aint base_addr, x1_addr, max_sum_addr;
> >     MPI_Get_address(&collected_solution, &base_addr);
> >     MPI_Get_address(&collected_solution.x1, &x1_addr);
> >     MPI_Get_address(&collected_solution.max_sum, &max_sum_addr);
> >
> >     MPI_Aint displacements[] =
> >     {
> >         x1_addr - base_addr,
> >         max_sum_addr - base_addr
> >     };
> >
> >     MPI_Type_create_struct(2, block_lengths, displacements, types,
> &MPI_msp_solution_t);
> >     MPI_Type_commit(&MPI_msp_solution_t);
> >
> >     // max reduction function
> >     MPI_Op_create((MPI_User_function *) max_msp_solution, 1,
> &max_msp_solution_op);
> >
> >    ...
> >
> >     msp_solution solution, received_solution;
> >     MPI_Comm comm,
> >     ...
> >     // comm is created using MPI_Comm_split
> >     // solution is initialized
> >     MPI_Reduce(&solution, &received_solution, 1, MPI_msp_solution_t,
> max_msp_solution_op , 0, MPI_COMM_WORLD);
> >     // ERROR above!!!
> > }
> >
> >
> > Is there some error in this? How can I make it run?
> > P.S. MPI_Send and MPI_Recv on my struct MPI_msp_solution_t seems to work
> fine
> >
> > Thanks in advance!
> > Best regards,
> > Kuba
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