[mpich-discuss] nemesis

Guillaume Mercier mercierg at mcs.anl.gov
Sun Aug 16 03:17:29 CDT 2009


Hello,

Yes, Nemesis/MX is supposed to be compatible with Open-MX. Could you 
sent me your example program so
that I can find out what is the problem?


Thanks.
Guillaume

shenqian at tsinghua.org.cn a écrit :
> Hi,
>
> I build mpich2-1.1.1 on top of open-mx-1.1.1, and have ch3:nemesis:mx enabled. Nemesis/MX should be compatible with Open-MX, isn't it? I test the examples shipped by mpich2, they work well. But my MPI program always hang on MPI_Barrier(). The output messages are:
>
> Open-MX: Send request (seqnum 105 sesnum 0) timeout, already sent 1001 times, resetting partner status
> Open-MX: Cleaning partner 00:11:09:5b:7d:16 endpoint 0
> Open-MX: Dropped 1 pending send requests to partner
>
> It seems like that the requests can not be send to other nodes. If I switch to the traditional TCP/IP stack, use the ch3:nemesis device, the program can run successfully. 
>
> Could anyone tell me how to handle this issue? 
>
> Regards,
> Qian Shen
>
>
>
>
>   



More information about the mpich-discuss mailing list