Am 21.10.2008 um 22:21 schrieb Luis Alejandro Del Castillo Riley:

And with the ps -e f shows that is running fine until they crash with the error broken pipe and killing signal

From this I would assume that one processes crashed and you are facing only the follow-up error. Maybe because it ran out of memory or disk space. It might depend on the application, how it will distribute the data and maybe with ten nodes some array or so was getting too big over the runtime of the job.

When you can spot the node which crashes, maybe you can find something in /var/log/messages of the node.

-- Reuti


On Tue, Oct 21, 2008 at 2:50 PM, Luis Alejandro Del Castillo Riley <[EMAIL PROTECTED]> wrote:
hi
yes i have 10 nodes each ones with intel xeon quad core so basicaly are 4 processors per each node



On Tue, Oct 21, 2008 at 7:53 AM, Reuti <[EMAIL PROTECTED]> wrote:
Hi,

Am 21.10.2008 um 01:18 schrieb Luis Alejandro Del Castillo Riley:


hi fellows i have a cluster with 1 master 10 nodes with intel Xeon Quad core.
Fedora core 6
PGI 7.0-7
mpich 1.2.5.2

the last version of MPICH from 2005 is 1.2.7p1. For newer installations I would suggest to look into Open MPI.


machines.x86_64 with a 10 node names

Means only the 10 nodes?


when i try to run:
 mpirun -v -arch x86_64  -keep_pg -nolocal -np 9 mm5.mpp

i had no error but when a run with
 mpirun -v -arch x86_64  -keep_pg -nolocal -np 10 mm5.mpp

they take around 40 min to send me and error :
bm_list_4667: (1526.781250) wakeup_slave: unable to interrupt slave 0 pid 4666

With so many time, I would suggest to login to all nodes and check with:

$ ps -e f

(f w/o -) the ditribution and startup of the porcesses. Is it doing nothing for 40 minutes or running fine until it crashes?

-- Reuti



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