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No, it is not obvious, unfortunately. Can you send all the
information listed here:
On Mar 3, 2009, at 5:22 AM, Ondrej Marsalek wrote:
> Dear everyone,
> I have a calculation (the CP2K program) using MPI over Infiniband and
> it is stuck. All processes (16 on 4 nodes) are running, taking 100%
> CPU. Attaching a debugger reveals this (only the end of the stack
> shown here):
> (gdb) backtrace
> #0 0x00002b3460916dbf in btl_openib_component_progress () from
> #1 0x00002b345c22c778 in opal_progress () from
> #2 0x00002b345bd2d66d in ompi_request_default_wait_any () from
> #3 0x00002b345bd6021a in PMPI_Waitany () from
> #4 0x00002b345bae77f1 in pmpi_waitany__ () from
> It has survived a restart of the IB switch, unlike "healthy" runs. My
> question is - is it obvious at what level the problem is? IB, Open
> MPI, application?I would be glad to provide detailed information, if
> anyone was willing to help. I want to work on this, but unfortunately
> I am not sure where to begin.
> Best regards,
> Ondrej Marsalek
> users mailing list