Re: [myrinet] Re: RE: mpich PBS etc. and gm_ports not closing

Bob Felderman <[email protected]>
Newsgroups gmane.network.myrinet.general
Message-ID <[email protected]>
=> From: Peter Boyle <[email protected]>
=> 
=> I'm not using PBS, however I am seeing problems with mpi processes left
=> running after a non-clean exit by one of the nodes. I have never seen a
=> port open without an associated process in existence. Typically they are
=> using a high percentage of cpu, which suggests they are sitting in a spin
=> loop. 
=> 
=> I use an awk script to parse gm_board_info after
=> job has finished, however I am having intermittent problems with
=> gm_board_info hanging, in which case I have to go round killing processes
=> (both gm_board_info and mpi processes).
=> 


=> From: "Greg Lindahl" <[email protected]>
=> I believe that this problem (gm_board_info hanging) is only present in early
=> versions of gm-1.2.X -- can you tell us what version you're running?


I just was on a machine at UNM running gm-1.2.3 where the mpi processes
were hung. I tried gm_board_info and that hung. Trying to kill the processes
using kill -9 did not kill them at all.  We know there are some
broken locking issues in gm-1.2.x and we're expecting to have them addressed
in gm-1.4.

Bob
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