[MPICH] p4 error

[chong tan]

that meant your program crashed, and you need to debug it.  use 'mpiexec -gdb'.  read
the doc and you should know how to debug.

tan



----- Original Message ----
From: Sangamesh B <forum.san at gmail.com>
To: MPICH ML <mpich-discuss at mcs.anl.gov>
Sent: Friday, February 1, 2008 12:48:38 AM
Subject: [MPICH] p4 error

Hi All,


     A cpmd parallel job which is compiled with MPICH( MPICH is compiled with ifort 10) gave following error:

# mpirun -machinefile /export/M4 -np 4 ./cpmd.x /opt/APPLICATIONS/CPMD/singlemol.input > single4.out
Killed by signal 2.
forrtl: error (69): process interrupted (SIGINT)
Killed by signal 2.
Killed by signal 2.

If only one process is used and without redirection, the following error occurred:

p0_16857:  p4_error: interrupt SIGSEGV: 11


But a CPMD serial job works fine. 


Can any one tell me what p4_error, SIGINT, SIGSEGV mean?

Regards,
Sangamesh


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