<div dir="ltr"><br><div class="gmail_quote"><div dir="ltr">On Sun, Aug 26, 2018 at 8:37 PM Andrew Lunn <<a href="mailto:andrew@lunn.ch">andrew@lunn.ch</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On Sun, Aug 26, 2018 at 08:23:24PM -0500, Jon Schewe wrote:<br>
> I run a caching DNS server locally and it also serves up the domain for my<br>
> house. Since I upgrade from Ubuntu 16.04 to Ubuntu 18.04 I started seeing a<br>
> number of errors from named like this:<br>
> <br>
> 26-Aug-2018 08:05:21.536 general: error:<br>
> ../../../../lib/isc/unix/socket.c:2135: unexpected error:<br>
> 26-Aug-2018 08:05:21.537 general: error: internal_send:<br>
> 192.168.42.11#44893: Invalid argument<br>
> <br>
> I have done some Google searching and haven't found a way to track down<br>
> what these errors are about. The hosts giving the errors vary. I've turned<br>
> on some more logging and gotten a little more information, but nothing that<br>
> I know how to act on yet.<br>
<br>
Hi Jon<br>
<br>
You might get more information using strace. You can attach to a<br>
running process using -p <PID>.<br clear="all"><br></blockquote><div>I can't seem to catch it in the act. <br></div></div><br>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><a href="http://mtu.net/~jpschewe" target="_blank">http://mtu.net/~jpschewe</a><br><br></div></div></div>