<div dir="auto"><div data-smartmail="gmail_signature" dir="auto"><br></div><div class="gmail_quote" dir="auto"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">
<p style="margin-bottom:0cm;line-height:100%;background:transparent none repeat scroll 0% 0%"> 2. The --host
command line parameter, via a ":N" suffix on the</p>
<p style="margin-bottom:0cm;line-height:100%;background:transparent none repeat scroll 0% 0%"> hostname (N
defaults to 1 if not provided)</p></div></blockquote></div><div dir="auto"><br></div><div dir="auto">This is an mpiexec error, not a qe error. Did you try to just do what it asks? Add the option --host localhost:4 (or whatever number of cores you have) to mpiexec (i.e. before pw.x). Also, I don't know if mpirun is just an alias to mpiexec, but I would try it instead. Cheers</div><div class="gmail_quote" dir="auto"></div></div>