<html><head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body dir="auto"><div>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?</div><div><br></div><div>Thanks,</div><div>Wesley<br><br><br></div><div><br>On Oct 12, 2014, at 10:09 PM, Anatoly G <<a href="mailto:anatolyrishon@gmail.com">anatolyrishon@gmail.com</a>> wrote:<br><br></div><blockquote type="cite"><div><div dir="ltr">Thank you.<div>My OS (Kubuntu 14.04).</div><div>ulimit is already set to unlimited.</div><div>When I generate exception (abort() function or divide by zero) I always get a core file,</div><div>but when MPICH fails (for example with MPI_Abort) no core file created.</div><div>May be I need to change any other settings?</div><div><br></div><div><br></div><div>Regards,</div><div>Anatoly.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Oct 12, 2014 at 4:47 PM, Lu, Huiwei <span dir="ltr"><<a href="mailto:huiweilu@mcs.anl.gov" target="_blank">huiweilu@mcs.anl.gov</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">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?<br>
<br>
—<br>
Huiwei<br>
<div><div class="h5"><br>
On Oct 12, 2014, at 7:35 AM, Anatoly G <<a href="mailto:anatolyrishon@gmail.com">anatolyrishon@gmail.com</a>> wrote:<br>
<br>
> Dear MPICH.<br>
> I'm using MPICH3.1<br>
> After application run of 4-5 hours Master process fails, but it doesn't creates a core file.<br>
> When I used MPI_Abort (in the past) it not creates core file too.<br>
> Can I make MPICH create core in any fail (of course if it's MPI fail).<br>
><br>
> Regards,<br>
> Anatoly.<br>
><br>
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