[MPICH] can't set up mpd ring between two nodes

[Rajeev Thakur]

The networking environment on the machines may not be set up correctly. To
debug the problem, you can use the mpdcheck utility as described in the
installation guide.

Rajeev
 

> -----Original Message-----
> From: owner-mpich-discuss at mcs.anl.gov 
> [mailto:owner-mpich-discuss at mcs.anl.gov] On Behalf Of jetspeed
> Sent: Wednesday, December 26, 2007 7:49 AM
> To: mpi
> Subject: [MPICH] can't set up mpd ring between two nodes
> 
> Hi all:
> 	
> 	I installed mvapich2 , which is with the OFED 1.2.5.
> 	
> 	1. when I use mpdboot on a machine, I got :
> 	  mpdboot_inode02 (handle_mpd_output 359): failed to 
> ping mpd on inode02; recvd output={}
> 	2.  when I try to use mpd to set up mpd ring, as the 
> user guide of mpich2:
> 			mpd &                       on node02
> 			mpd -h node02 -p port       on node01
> 	I got:
> on node01:  (the latter mpd)
> inode01_33435 (connect_lhs 621): invalid challenge from 
> inode02 32969: {}
> inode01_33435 (enter_ring 566): lhs connect failed
> inode01_33435 (run 233): failed to enter ring
> 
> on node02:  (the first mpd )
> 	
> inode02_32969: mpd_uncaught_except_tb handling:
>   exceptions.TypeError: sequence item 0: expected string, int found
>     /usr/mpi/gcc/mvapich2-0.9.8-15/bin/mpdlib.py  733  
> handle_ring_listener_connection
>         newsock.correctChallengeResponse = \
>     /usr/mpi/gcc/mvapich2-0.9.8-15/bin/mpdlib.py  488  
> handle_active_streams        handler(stream,*args)
>     /usr/mpi/gcc/mvapich2-0.9.8-15/bin/mpd  266  runmainloop
>         rv = self.streamHandler.handle_active_streams(timeout=8.0)
>     /usr/mpi/gcc/mvapich2-0.9.8-15/bin/mpd  240  run
>         self.runmainloop()
>     /usr/mpi/gcc/mvapich2-0.9.8-15/bin/mpd  1344  ?
>         mpd.run()
> 
> 
> 
> Has anyone encountered this problem?
> Thanks in advance.
> 
> 
>