r use.
--
Error in mpi.comm.spawn(slave = rscript, slavearg = args, nslaves = count,
:
MPI_ERR_SPAWN: could not spawn processes
--
Jim Maas
jimmaasuk at gmail.com
___
users mailing list
users@lists.open-mpi.org
> i assume one ubuntu machine, can you please run
> lstopo
> on and post the output ?
>
> did you use to have some specific settings in the system-wide conf
> file (e.g. /.../etc/openmpi-mca-params.conf) ?
> if yes, can you post these, the syntax might have changed in 3.0.0
>
not know off hand, you could either
> oversubscribe or use hyperthreads as slots. In both cases, 7 slots would be
> available.
>
> Cheers,
>
> Gilles
>
> Jim Maas wrote:
> Thanks Gilles, relative noob here at this level, apologies if nonsensical!
>
> I removed previo
tial proc ? That would be 7
> slots and there are only 6.
> What if you ask 5 slots only ?
>
> With some parameters i do not know off hand, you could either
> oversubscribe or use hyperthreads as slots. In both cases, 7 slots would be
> available.
>
> Cheers,
>
> Gilles
&g
s_as_cpus=1
> in your environment.
>
> On Oct 3, 2017, at 7:27 AM, Jim Maas wrote:
>
> Tried this and got this error, and slots are available, nothing else is
> running.
>
> > cl <- startMPIcluster(count=7)
> ---
-
> /etc/openmpi-mca-params.conf
>
> On Oct 3, 2017, at 12:44 PM, Jim Maas wrote:
>
> Thanks RHC where do I put that so it will be in the environment?
>
> J
>
> On 3 October 2017 at 16:01, r...@open-mpi.org wrote:
>
>> As Gilles said, we default to slots = co
PI_COMM_WORLD rank: 7
If you are *absolutely sure* that your application will successfully
and correctly survive a call to fork(), you may disable this warning
by setting the mpi_warn_on_fork MCA parameter to 0.
--
Dr. Jim Maas
University of East Anglia
fork was:
Local host: cn159.private.dns.zone (PID 12792)
MPI_COMM_WORLD rank: 7
If you are*absolutely sure* that your application will successfully
and correctly survive a call to fork(), you may disable this warning
by setting the mpi_warn_on_fork MCA parameter to 0.
--
Dr. Jim Maas
University of East Anglia
nd/or how can I fix it?
I configured ompi 4.03 with this statement.
$ ./configure --disable-dlopen
Thx. J
--
Jim Maas
