<div dir="ltr"><div>Do you have any chance to collect stack traces of all the MPI processes?</div><div><br></div><div>--Junchao Zhang</div><br></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Fri, Jul 18, 2025 at 12:20 PM Edoardo alinovi <<a href="mailto:edoardo.alinovi@gmail.com">edoardo.alinovi@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hello Petsc friends,<div><br></div><div>Hope you are all doing well.</div><div><br></div><div>Today I was doing a simulation (27Mln cell on 64 cores) and I came across an issue. Indeed, I am deadlocking somewhere in <i>MatMPIAIJSetPreallocation. D</i>o you have any clue about the reason for this? Any suggestions to track this down?</div><div><br></div><div>Many thanks,</div><div><br></div><div>Edo</div></div>
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