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Subject: Re: [OMPI devel] NO IP address found
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2008-05-06 11:03:14


I think the larger issue, though, is whether rdmacm will work properly
for the LMC>0 case over IB, right?

The fact that it shouldn't be displaying this error message now
because RDMA CM is not the default is one issue, but it's not the
*real* issue...

On May 6, 2008, at 11:00 AM, Jon Mason wrote:

> On Tuesday 06 May 2008 09:41:53 am Jeff Squyres wrote:
>> I actually don't know what the RDMA CM requires for the LMC>0 case --
>> does it require a unique IP address for every LID?
>
> It requires a unique IP address for every hca/port in use by rdmacm.
>
> I see the bug in rdmacm (since I don't believe you were trying to
> use rdmacm), and will have a patch out shortly.
>
>>
>> On May 6, 2008, at 5:09 AM, Lenny Verkhovsky wrote:
>>
>>> Hi,
>>>
>>> running BW benchmark with btl_openib_max_lmc >= 2 couses warning
>>> ( MPI from the TRUNK ) !!!!
>>>
>>>
>>> #mpirun --bynode -np 40 -hostfile hostfile_ompi_arbel -mca
>>> btl_openib_max_lmc 2 ./mpi_p_LMC -t bw -s 400000
>>> BW (40) (size min max avg) 400000 321.493757
>>> 342.972837 329.493715
>>>
>>> #mpirun --bynode -np 40 -hostfile hostfile_ompi_arbel -mca
>>> btl_openib_max_lmc 3 ./mpi_p_LMC -t bw -s 400000
>>> [witch9][[7493,1],7][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch2][[7493,1],0][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch10][[7493,1],9][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch6][[7493,1],4][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch4][[7493,1],2][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch7][[7493,1],5][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch2][[7493,1],10][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch9][[7493,1],17][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch5][[7493,1],3][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch8][[7493,1],6][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch6][[7493,1],14][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch10][[7493,1],19][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch5][[7493,1],13][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch4][[7493,1],12][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch9][[7493,1],27][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch5][[7493,1],23][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch2][[7493,1],20][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch9][[7493,1],37][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch7][[7493,1],35][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch4][[7493,1],32][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch4][[7493,1],22][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch5][[7493,1],33][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch2][[7493,1],30][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch8][[7493,1],16][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch7][[7493,1],15][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch10][[7493,1],39][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch7][[7493,1],25][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch10][[7493,1],29][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch6][[7493,1],34][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch8][[7493,1],26][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch6][[7493,1],24][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> [witch8][[7493,1],36][../../../../../ompi/mca/btl/openib/connect/
>>> btl_openib_connect_rdmacm.c:989:create_message] No IP address found
>>> BW (40) (size min max avg) 400000 312.622582
>>> 334.037277 324.014814
>>>
>>> using -mca btl openib,self causes warning with LMC >=10
>>>
>>>
>>> Best regards
>>> Lenny.
>>> _______________________________________________
>>> devel mailing list
>>> devel_at_[hidden]
>>> http://www.open-mpi.org/mailman/listinfo.cgi/devel
>>
>>
>
>
> _______________________________________________
> devel mailing list
> devel_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/devel

-- 
Jeff Squyres
Cisco Systems