<meta http-equiv="Content-Type" content="text/html; charset=utf-8"><div dir="ltr"><div><div><div><div><div>Hi Team,<br><br>I am trying to run an application using MVAPICH2-2.0.
The application compiles without any error, but at runtime, aborts with
following error:<br><br>Fatal error in PMPI_Isend:Invalid tag, error stack:PMPI_Isend(149): MPI_Isend(buf=0x7f59b5124300, count=8, MPI_UNSIGNED_LONG,
dest=0, tag=1073741824, comm=0x84000001, request=0x132ae24) failed <span style="font-size:11pt;font-family:"Calibri",sans-serif">PMPI_Isend(98).:
Invalid tag, value is 1073741824</span>
<br><br></div>I contacted MVAPICH2 team for this issue: <a href="http://mailman.cse.ohio-state.edu/pipermail/mvapich-discuss/2015-June/005623.html" target="_blank">http://mailman.cse.ohio-state.edu/pipermail/mvapich-discuss/2015-June/005623.html</a><br><br></div>They suggested me to contact MPICH team, as the issue is coming from higher level MPICH code.<br><br></div>Can you please help me in resolving this.<br><br></div>Regards,<br></div>Chaitra</div>