[mpich-discuss] ctrl-c while running mpiexec -gdb

[Robert Kubrick]

I tried this:

my-computer:~ mycomputer$ mpdlistjobs
jobid    = 6 at mycomputer.local_57025
jobalias =
username = mycomputer
host     = mycomputer.local
pid      = 15490
sid      = 15488
rank     = 1
pgm      = demo

jobid    = 6 at mycomputer.local_57025
jobalias =
username = mycomputer
host     = mycomputer.local
pid      = 15491
sid      = 15489
rank     = 2
pgm      = demo

jobid    = 6 at mycomputer.local_57025
jobalias =
username = mycomputer
host     = mycomputer.local
pid      = 15492
sid      = 15487
rank     = 0
pgm      = demo

mycomputer:~ mycomputer$ mpdsigjob SIGINT -j 6 at mycomputer.local_57025


But the SIGINT causes a collective abort:

rank 1 in job 6  mycomputer.local_57025   caused collective abort of  
all ranks
   exit status of rank 1: killed by signal 9
rank 0 in job 6  mycomputer.local_57025   caused collective abort of  
all ranks
   exit status of rank 0: killed by signal 9




On Aug 12, 2008, at 1:24 PM, Darius Buntinas wrote:

> When you hit ^C from mpiexec (with or without -gdb), mpiexec will  
> kill all processes and exit.  To send a SIGINT to the processes  
> themselves, you would need to use mpdsigjob.  First find the jobid  
> using mpdlistjobs, then send the SIGINT to the job:
>
>   mpdsigjob SIGINT -j jobid
>
> Give this a try.
>
> -d
>
>
> On 08/12/2008 11:23 AM, Robert Kubrick wrote:
>> When I run a regular program under gdb, ctrl-c returns control to  
>> the gdb prompt and I can examine the stack of the interrupted  
>> process or issue any other gdb command on the current process.  
>> When running mpiexec -gdb, ctrl-c returns to the shell (thus  
>> abandoning the gdb session).
>> On Aug 12, 2008, at 10:52 AM, Rajeev Thakur wrote:
>>> You should be able to type gdb commands at the prompt returned by  
>>> mpiexec
>>> -gdb.
>>>
>>> Rajeev
>>>
>>>> -----Original Message-----
>>>> From: owner-mpich-discuss at mcs.anl.gov
>>>> [mailto:owner-mpich-discuss at mcs.anl.gov] On Behalf Of Robert  
>>>> Kubrick
>>>> Sent: Monday, August 11, 2008 10:16 PM
>>>> To: mpich-discuss at mcs.anl.gov
>>>> Subject: [mpich-discuss] ctrl-c while running mpiexec -gdb
>>>>
>>>> In mpiexec -gdb hitting ctrl-c terminates all the processes
>>>> of the MPI program. I want to read the stack for one of the
>>>> MPI process while the program is running, is there a way to
>>>> let ctrl-c return control to gdb rather then quitting the
>>>> program alltogether?
>>>>
>>>>
>>>
>