<div dir="ltr">I missed one obvious clue, thinking that Xorg.log was the strategic place to look.<div><br></div><div>/var/log/messages (search olpc-dm) shows </div><div><ul><li>"olpc-dm.service holdoff time over, scheduling restart"<br></li><li>and then "xauth: file /var/tmp/olpc-auth/.Xauthority does not exist"</li></ul></div><div><div class="gmail_extra"><div class="gmail_quote">googling "Xauthority create olpc" does not give a good hit, but suggests I should learn olpc-utils better.</div><div class="gmail_quote"><br></div><div class="gmail_quote">On Mon, Sep 7, 2015 at 2:44 PM, James Cameron <span dir="ltr"><<a href="mailto:quozl@laptop.org" target="_blank">quozl@laptop.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I'm interested in finding the cause; any such race condition that<br>
prevents X startup may eventually occur depending on timing, so is<br>
there some simple reproducer that we can apply to OLPC OS?<br>
<br>
Where are your changes relative to OLPC OS?<br>
<br>
What does the systemd journal say about olpc-dm service?<br>
<br>
How do the journal, olpc-dm logs, and X logs differ between working<br>
and failing case?<br>
<br>
Where does gdb show the segmentation fault occurs?<br>
<span class="HOEnZb"><font color="#888888"><br>
--<br>
James Cameron<br>
<a href="http://quozl.linux.org.au/" rel="noreferrer" target="_blank">http://quozl.linux.org.au/</a><br>
</font></span></blockquote></div><br></div></div></div>