<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Apr 2, 2018 at 4:23 PM, Satish Balay <span dir="ltr"><<a href="mailto:balay@mcs.anl.gov" target="_blank">balay@mcs.anl.gov</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Does this 'standard test' use MPI_COMM_WORLD' to crate PETSc objects?<br>
<br>
If so - you could try changing to PETSC_COMM_WORLD<br></blockquote><div><br><br></div><div>I do not think we are using PETSC_COMM_WORLD when creating PETSc objects. Why we can not use MPI_COMM_WORLD?<br><br><br></div><div>Fande,<br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<br>
Satish<br>
<span class="gmail-"><br>
<br>
On Mon, 2 Apr 2018, Kong, Fande wrote:<br>
<br>
> Hi All,<br>
><br>
> I am trying to upgrade PETSc from 3.7.6 to 3.8.3 for MOOSE and its<br>
> applications. I have a error message for a standard test:<br>
><br>
><br>
><br>
><br>
><br>
><br>
><br>
><br>
><br>
</span>> *preconditioners/pbp.lots_of_<wbr>variables: MPI had an<br>
> errorpreconditioners/pbp.lots_<wbr>of_variables:<br>
> ------------------------------<wbr>------------------<wbr>preconditioners/pbp.lots_of_<wbr>variables:<br>
<span class="gmail-">> Other MPI error, error stack:preconditioners/pbp.<wbr>lots_of_variables:<br>
> PMPI_Comm_dup(177)............<wbr>......: MPI_Comm_dup(comm=0x84000001,<br>
> new_comm=0x97d1068) failedpreconditioners/pbp.<wbr>lots_of_variables:<br>
> PMPI_Comm_dup(162)............<wbr>......:<br>
> preconditioners/pbp.lots_of_<wbr>variables:<br>
> MPIR_Comm_dup_impl(57)........<wbr>......:<br>
> preconditioners/pbp.lots_of_<wbr>variables:<br>
> MPIR_Comm_copy(739)...........<wbr>......:<br>
> preconditioners/pbp.lots_of_<wbr>variables:<br>
> MPIR_Get_contextid_sparse_<wbr>group(614): Too many communicators (0/2048 free<br>
</span>> on this process; ignore_id=0)*<br>
<span class="gmail-">><br>
><br>
> I did "git bisect', and the following commit introduces this issue:<br>
><br>
><br>
><br>
><br>
><br>
><br>
><br>
><br>
</span>> *commit 49a781f5cee36db85e8d5b951eec29<wbr>f10ac13593Author: Stefano Zampini<br>
> <<a href="mailto:stefano.zampini@gmail.com">stefano.zampini@gmail.com</a> <<a href="mailto:stefano.zampini@gmail.com">stefano.zampini@gmail.com</a>>><wbr>Date: Sat Nov 5<br>
<span class="gmail-">> 20:15:19 2016 +0300 PCHYPRE: use internal Mat of type MatHYPRE<br>
</span>> hpmat already stores two HYPRE vectors*<br>
<div class="gmail-HOEnZb"><div class="gmail-h5">><br>
> Before I debug line-by-line, anyone has a clue on this?<br>
><br>
><br>
> Fande,<br>
><br>
<br>
</div></div></blockquote></div><br></div></div>