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Or you can simply tell the mx mtl not to run by adding "-mca mtl ^mx" to
the command line.
George: There is an open bug about this problem:
George Bosilca wrote:
> There seems to be a problem with MX, because a conflict between out
> MTL and the BTL. So, I suspect that if you want it to run [right now]
> you should spawn less than the MX supported endpoint by node (one
> less). I'll take a look this afternoon.
> On Jul 11, 2007, at 12:39 PM, Warner Yuen wrote:
>> The hostfile was changed around. As we tried to pull nodes out that
>> we thought might have been bad. But none were over subscribed if
>> that's what you mean.
>> Warner Yuen
>> Scientific Computing Consultant
>> Apple Computer
>> On Jul 11, 2007, at 9:00 AM, users-request_at_[hidden] wrote:
>>> Message: 3
>>> Date: Wed, 11 Jul 2007 11:27:47 -0400
>>> From: George Bosilca <bosilca_at_[hidden]>
>>> Subject: Re: [OMPI users] OMPI users] openmpi fails on mx endpoint
>>> To: Open MPI Users <users_at_[hidden]>
>>> Message-ID: <15C9E0AB-6C55-43D9-A40E-82CF973B0426_at_[hidden]>
>>> Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
>>> What's in the hostmx10g file ? How many hosts ?
>>> On Jul 11, 2007, at 1:34 AM, Warner Yuen wrote:
>>>> I've also had someone run into the endpoint busy problem. I never
>>>> figured it out, I just increased the default endpoints on MX-10G
>>>> from 8 to 16 endpoints to make the problem go away. Here's the
>>>> actual command and error before setting the endpoints to 16. The
>>>> version is MX-1.2.1with OMPI 1.2.3:
>>>> node1:~/taepic tae$ mpirun --hostfile hostmx10g -byslot -mca btl
>>>> self,sm,mx -np 12 test_beam_injection test_beam_injection.inp -npx
>>>> 12 > out12
>>>> [node2:00834] mca_btl_mx_init: mx_open_endpoint() failed with
>>>> Process 0.1.3 is unable to reach 0.1.7 for MPI communication.
>>>> If you specified the use of a BTL component, you may have
>>>> forgotten a component (such as "self") in the list of
>>>> usable components.
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