<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi<div class=""><br class=""></div><div class="">Im having trouble starting the build application from Matlab. Ethercat recognizes all the slaves and the master seems operational. However when I try to run the built executable I get the following error.</div><div class=""><pre class="" style="font-variant-ligatures: normal; orphans: 2; widows: 2;"><i class="">Failed to request master 0: Inappropriate ioctl for device</i></pre><div class="">This started happening after I updated my Ethercat installation (I went from downloading the tar file to clone it using hg).</div></div><div class=""><br class=""></div><div class="">I see there is an old post discussing this topic (<a href="http://lists.etherlab.org/pipermail/etherlab-users/2009/000437.html" class="">http://lists.etherlab.org/pipermail/etherlab-users/2009/000437.html</a>) but there is no clear solution (Or at least not clear to me) on how this issue could be solved. In this post It is suggested that the problem is caused by an old master module loaded when a new library version is used. To be honest I don’t know how to solve this. </div><div class=""><br class=""></div><div class="">I appreciate the help you guys could give me</div><div class=""><br class=""></div><div class="">Daniel Lemus</div></body></html>