[mpich-discuss] MPICH 3.1 fails doesn't create core file.

[Anatoly G]

Ok.
That's next step I planned to do.
Thank you for advice.

Regards,
Anatoly.

On Mon, Oct 13, 2014 at 6:49 AM, Lu, Huiwei <huiweilu at mcs.anl.gov> wrote:

> You may add printf to your application to report the application progress.
> So when it exits (or disappears), it will print the last message that can
> help you locate the error.
> —
> Huiwei
>
> On Oct 12, 2014, at 10:42 PM, Anatoly G <anatolyrishon at gmail.com> wrote:
>
> > I'm not sure about my current failure.
> > I execute my application (MPI processes). Each process executes endless
> loop. After a couple of hours Master process fails (disappears - I can't
> see it using 'ps' command). There is no core file. I'm not sure about the
> reason of failure.
> > It looks strange that single process (15 processes executed) fails w/o
> core file dropping.
> > I suspect that I'm using MPICH in wrong way, which causes failure.
> > But like I said before I'm not sure about failure.
> >
> > Regards,
> > Anatoly.
> >
> > On Mon, Oct 13, 2014 at 6:21 AM, Wesley Bland <wbland at anl.gov> wrote:
> > Calling MPI_Abort is not an error that would cause the OS to dump a
> core. For that, you'll need to do something within your application that
> would normally cause it to dump a core. MPICH itself won't do it for you.
> You can add a divide by zero error to your own code and you'll get a core
> file of your app. What specifically within MPICH are you trying to debug?
> >
> > Thanks,
> > Wesley
> >
> >
> >
> > On Oct 12, 2014, at 10:09 PM, Anatoly G <anatolyrishon at gmail.com> wrote:
> >
> >> Thank you.
> >> My OS (Kubuntu 14.04).
> >> ulimit is already set to unlimited.
> >> When I generate exception (abort() function or divide by zero) I always
> get a core file,
> >> but when MPICH fails (for example with MPI_Abort) no core file created.
> >> May be I need to change any other settings?
> >>
> >>
> >> Regards,
> >> Anatoly.
> >>
> >> On Sun, Oct 12, 2014 at 4:47 PM, Lu, Huiwei <huiweilu at mcs.anl.gov>
> wrote:
> >> The core file is created by the OS, not MPICH. What’s the output of
> ‘ulimit -c’ on your machine? Could you set ‘ulimit -c unlimited’ and try
> again?
> >>
> >> —
> >> Huiwei
> >>
> >> On Oct 12, 2014, at 7:35 AM, Anatoly G <anatolyrishon at gmail.com> wrote:
> >>
> >> > Dear MPICH.
> >> > I'm using MPICH3.1
> >> > After application run of 4-5 hours Master process fails, but it
> doesn't creates a core file.
> >> > When I used MPI_Abort (in the past) it not creates core file too.
> >> > Can I make MPICH create core in any fail (of course if it's MPI fail).
> >> >
> >> > Regards,
> >> > Anatoly.
> >> >
> >> > _______________________________________________
> >> > discuss mailing list     discuss at mpich.org
> >> > To manage subscription options or unsubscribe:
> >> > https://lists.mpich.org/mailman/listinfo/discuss
> >>
> >> _______________________________________________
> >> discuss mailing list     discuss at mpich.org
> >> To manage subscription options or unsubscribe:
> >> https://lists.mpich.org/mailman/listinfo/discuss
> >>
> >> _______________________________________________
> >> discuss mailing list     discuss at mpich.org
> >> To manage subscription options or unsubscribe:
> >> https://lists.mpich.org/mailman/listinfo/discuss
> >
> > _______________________________________________
> > discuss mailing list     discuss at mpich.org
> > To manage subscription options or unsubscribe:
> > https://lists.mpich.org/mailman/listinfo/discuss
> >
> > _______________________________________________
> > discuss mailing list     discuss at mpich.org
> > To manage subscription options or unsubscribe:
> > https://lists.mpich.org/mailman/listinfo/discuss
>
> _______________________________________________
> discuss mailing list     discuss at mpich.org
> To manage subscription options or unsubscribe:
> https://lists.mpich.org/mailman/listinfo/discuss
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mpich.org/pipermail/discuss/attachments/20141013/95e26544/attachment.html>
-------------- next part --------------
_______________________________________________
discuss mailing list     discuss at mpich.org
To manage subscription options or unsubscribe:
https://lists.mpich.org/mailman/listinfo/discuss