[MPICH] about mpich2, sometimes the application may stop.

Rajeev Thakur thakur at mcs.anl.gov
Fri Sep 23 13:47:33 CDT 2005


You are using a very old version of MPICH2. I would recommend trying the
latest version 1.0.2p1.

Rajeev 

> -----Original Message-----
> From: owner-mpich-discuss at mcs.anl.gov 
> [mailto:owner-mpich-discuss at mcs.anl.gov] On Behalf Of luyut at sina.com
> Sent: Thursday, September 22, 2005 4:24 AM
> To: mpich-discuss at mcs.anl.gov
> Subject: [MPICH] about mpich2, sometimes the application may stop.
> 
> Hello all:
>   We have used the mpich2-0.96p2 for years, recently, we 
> install the mpiich2-0.96p2 on the sgi350,itatumn2. The are 
> some strange problem we found, when we run a loop of NPB, 
> sometimes the application may stop at the beginning, we 
> debugger it, find the most mpi processes of application are 
> sleep, they in mpi_alltoall, when they build the 
> communication connectiong using pmi, PMIU_getval( 
> \"kvsname_max\", buf, PMIU_MAXLINE ); We read the source code 
> of mpd,it look like some error occur on the manager ring, the 
> PMIU_getval can not return. So all the processes are waiting.
>   Does anyone can explain it for me. Thank you.
> 
> sara




More information about the mpich-discuss mailing list