I should've asked: any special compile options? I just did
--enable-everything and --with-metis=PETSc and ran introduction/ex4 as is.
Was this ParallelMesh?
On Mon, Jan 12, 2015 at 10:05 AM, Paul T. Bauman <ptbau...@gmail.com> wrote:
> I pulled the laster master and ran on my workstation with no problem.
> Perhaps a conflicting MPI setup?
>
> On Sat, Jan 10, 2015 at 12:32 AM, Paul T. Bauman <ptbau...@gmail.com>
> wrote:
>
>> I've been using mpich 3.1.x for months. Mostly the 0.9.4 branch. I'll
>> give master a swing this weekend.
>>
>>
>>
>> > On Jan 9, 2015, at 6:06 PM, Roy Stogner <royst...@ices.utexas.edu>
>> wrote:
>> >
>> >
>> > I'm seeing the most astonishing bug:
>> >
>> > In devel mode, in introduction_ex4 of all places, miscommunications
>> > are causing parallel runs to hang in devel mode. Running through gdb
>> > I can actually watch as one process sends "0" and another receives
>> > "1".
>> >
>> > I haven't yet ruled out a bug on our part (this is in
>> > send_receive_packed_range code that does asynchronous I/O; maybe there
>> > was a "1" already in the send queue?) but the same code (as well as
>> > all other examples) is fine in dbg and opt modes, as well as with
>> > openmpi. (I'm building mvapich2 to try that now)
>> >
>> > I haven't got any idea how it could be a bug on their part either; in
>> > particular I see the same bug with MPICH2 1.4.1, 1.5, and MPICH 3.1.3.
>> >
>> > Switching compilers from GCC 4.8 to Intel 13.1 doesn't help either.
>> >
>> > So now I'm starting to wonder if there's merely some new MPI header or
>> > linker conflict on the system I'm trying all this on. Are there any
>> > other mpich/mpich2 users out there who are using the libMesh git
>> > master?
>> > ---
>> > Roy
>> >
>> >
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>>
>
>
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