Could you perhaps send us the arguments you are giving to
MPI_Comm_spawn_multiple? I think you definitely have a problem with
the way you created the MPI_Info keys, and would like to see the code
that is setting up the args and making the call.
Thanks
Ralph
On Mar 11, 2009, at 7:33 PM, Tee Wen Kai wrote:
Hi,
I tried to run with open MPI 1.3 but encouter the following error
message:
LOCAL DAEMON SPAWN IS CURRENTLY UNSUPPORTED
May I know what I should do with this error as the program used to
be able to spawn the programs using MPI_Comm_spawn_multiple
correctly without this error with version 1.2.8.
Thank you.
Regards,
Wenkai
--- On Tue, 10/3/09, Lenny Verkhovsky <lenny.verkhov...@gmail.com>
wrote:
From: Lenny Verkhovsky <lenny.verkhov...@gmail.com>
Subject: Re: [OMPI users] Problem with MPI_Comm_spawn_multiple &
MPI_Info_fre
To: "Open MPI Users" <us...@open-mpi.org>
Date: Tuesday, 10 March, 2009, 11:48 PM
can you try Open MPI 1.3,
Lenny.
On 3/10/09, Tee Wen Kai <teewen...@yahoo.com> wrote:
Hi,
I am using version 1.2.8.
Thank you.
Regards,
Wenkai
--- On Mon, 9/3/09, Ralph Castain <r...@lanl.gov> wrote:
From: Ralph Castain <r...@lanl.gov>
Subject: Re: [OMPI users] Problem with MPI_Comm_spawn_multiple &
MPI_Info_free
To: "Open MPI Users" <us...@open-mpi.org>
Date: Monday, 9 March, 2009, 7:42 PM
Could you tell us what version of Open MPI you are using? It would
help us to provide you with advice.
Thanks
Ralph
On Mar 9, 2009, at 2:18 AM, Tee Wen Kai wrote:
Hi,
I have a program that allow user to enter their choice of
operation. For example, when the user enter '4', the program will
enter a function which will spawn some other programs stored in the
same directory. When the user enter '5', the program will enter
another function to request all spawned processes to exit.
Therefore, initially only one process which act as the controller
is spawned.
My MPI_Info_create and MPI_Comm_spawn_multiple are called in a
function. Everything is working fine except when I tried to free
the MPI_Info in the function by calling MPI_Info_free, I have
segmentation fault error. The second problem is when i do the
spawning once and exit the controller program with MPI_Finalize,
the program exited normally. But when spawning is done more than
once and exit the controller program with MPI_Finalize, there is
segmentation fault. I also realize that when the spawed processes
exit, the 'orted' process is still running. Thus, when multiple
MPI_Comm_spawn_multiple are called, there will be multiple 'orted'
processes.
Thank you and hope someone has a solution to my problem.
Regards,
Wenkai
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