<div dir="ltr">Checking my logs it does indeed look like a the Linux OOM killed it. Thanks for the context that was really helpful. </div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Feb 20, 2017 at 12:38 AM, Lukas Larsson <span dir="ltr"><<a href="mailto:lukas@erlang.org" target="_blank">lukas@erlang.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hello,<div><br></div><div>You get that message if the erl_child_setup process for some reason terminates. The erl_child_setup process is responsible for doing the setup of any external port program that gets started, i.e. os:cmd/open_port.</div><div><br></div><div>The only "normal" reason that I have found so far for erl_child_setup to exit is if the Linux OOM killed decides to terminate it. Besides that all terminations should be considered bugs in erl_child_setup.</div><div><br></div><div>Do you have any core file from erl_child_setup? Any printouts to stderr?</div><span class="HOEnZb"><font color="#888888"><div><br></div></font></span><div><span class="HOEnZb"><font color="#888888">Lukas<br></font></span><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="h5">On Sun, Feb 19, 2017 at 5:05 PM, Grant Murphy <span dir="ltr"><<a href="mailto:grantcmurphy@gmail.com" target="_blank">grantcmurphy@gmail.com</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5"><div dir="ltr"><div>Hi, </div><div><br></div>I'm seeing an intermittent crash on a Ubuntu 16.04 host, Erlang version - 19.2.3. The erl_crashdump contains "erl_child_setup closed". <div><br></div><div>Tracked the error to here <a href="https://github.com/erlang/otp/blob/1526eaead833b3bdcd3555a12e2af62c359e7868/erts/emulator/sys/unix/sys_drivers.c#L1776" target="_blank">https://github.com/erlang/otp/<wbr>blob/1526eaead833b3bdcd3555a12<wbr>e2af62c359e7868/erts/emulator/<wbr>sys/unix/sys_drivers.c#L1776</a>, but not entirely sure what could be causing this particular failure. </div><div><br></div><div>Can anybody shed some light on the likely cause of this error message? </div><div><br></div><div>Thanks, </div><span class="m_5743118685304429126m_1564760133791691385HOEnZb"><font color="#888888"><div><br></div><div>- Grant</div></font></span></div>
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