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Subject: Re: [OMPI devel] NO IP address found
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2008-05-06 10:41:53


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?

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

-- 
Jeff Squyres
Cisco Systems