<div dir="ltr">Hi Matt,<div><br></div><div>Thanks for posting this, Yes I was able to get the solution. The issue in my case was I missed one of the key plugin and Apache didn't show me that missing plugin in logs, later when I set the RT log then i was able to found it.</div><div><br></div><div>Thanks,</div><div>Bharath.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Nov 13, 2015 at 3:38 PM, Matt Brennan <span dir="ltr"><<a href="mailto:brennanma@gmail.com" target="_blank">brennanma@gmail.com</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">Hi Bharath,<div><br></div><div> Were you able to get a solution to this? I just upgraded to Ubuntu 14.04 (from 11.04) and am experienced this same issue. Your post actually helped me localize it to the external auth plugin. </div><div><br></div><div> I found that I was running and older version (0.20) of the plugin. When I upgraded to version 0.25, the issue went away. </div><div><br></div><div>Thanks, and hope that helps you. </div><span class="HOEnZb"><font color="#888888"><div><br></div><div>-Matt</div></font></span></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Oct 8, 2015 at 11:48 AM, bharath reddy <span dir="ltr"><<a href="mailto:vangoor.bharath@gmail.com" target="_blank">vangoor.bharath@gmail.com</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">Matt,<div><br></div><div>I don't think it is a problem with RAM or any hardware, because when I revert my changes in RT_SiteConfig.pm (with out LDAPAuthentication) apache starts with out any error.</div><div><br></div><div>Thanks,</div><div>Bharath.</div></div><div><div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Oct 8, 2015 at 10:54 AM, Matt Zagrabelny <span dir="ltr"><<a href="mailto:mzagrabe@d.umn.edu" target="_blank">mzagrabe@d.umn.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div>On Thu, Oct 8, 2015 at 9:21 AM, bharath reddy <<a href="mailto:vangoor.bharath@gmail.com" target="_blank">vangoor.bharath@gmail.com</a>> wrote:<br>
> Hi Matt,<br>
><br>
> Thanks for replying back, here are the details :<br>
><br>
> Distro :<br>
> root@devrt:~# cat /etc/os-release<br>
> NAME="Ubuntu"<br>
> VERSION="12.04.3 LTS, Precise Pangolin"<br>
> ID=ubuntu<br>
> ID_LIKE=debian<br>
> PRETTY_NAME="Ubuntu precise (12.04.3 LTS)"<br>
> VERSION_ID="12.04"<br>
><br>
> cd /var/log<br>
> ls -lrt (I'm showing only latest)<br>
> -rw-r----- 1 syslog adm 124 Oct 8 09:58 kern.log<br>
> -rw-r----- 1 root adm 529 Oct 8 09:58 apport.log<br>
> -rw-r----- 1 syslog adm 3086 Oct 8 10:00 syslog<br>
> -rw-r----- 1 syslog adm 113879 Oct 8 10:00 auth.log<br>
><br>
> root@devrt:/var/log# cat kern.log<br>
> Oct 8 09:58:10 devrt kernel: [3001033.121438] /usr/sbin/apach[5529]:<br>
> segfault at b54d9f80 ip b54d9f80 sp bfc702dc error 14<br>
><br>
> root@devrt:/var/log# cat apport.log<br>
> ERROR: apport (pid 5532) Thu Oct 8 09:58:11 2015: called for pid 5529,<br>
> signal 11<br>
> ERROR: apport (pid 5532) Thu Oct 8 09:58:11 2015: executable:<br>
> /usr/lib/apache2/mpm-prefork/apache2 (command line "/usr/sbin/apache2 -k<br>
> start")<br>
> ERROR: apport (pid 5532) Thu Oct 8 09:58:11 2015: is_closing_session(): no<br>
> DBUS_SESSION_BUS_ADDRESS in environment<br>
> ERROR: apport (pid 5532) Thu Oct 8 09:58:11 2015: apport: report<br>
> /var/crash/_usr_lib_apache2_mpm-prefork_apache2.0.crash already exists and<br>
> unseen, doing nothing to avoid disk usage DoS<br>
><br>
> root@devrt:/var/log# cat syslog<br>
> Oct 8 09:58:10 devrt kernel: [3001033.121438] /usr/sbin/apach[5529]:<br>
> segfault at b54d9f80 ip b54d9f80 sp bfc702dc error 14<br>
> Oct 8 10:00:01 devrt CRON[5582]: (smmsp) CMD (test -x /etc/init.d/sendmail<br>
> && /usr/share/sendmail/sendmail cron-msp)<br>
<br>
</div></div>Apache is segfaulting. Perhaps you have some bad RAM or other hardware issues.<br>
<br>
You could try to set up another system with the same configs as this one.<br>
<span><br>
> cd /var/log/apache2<br>
> ls -lrt<br>
><br>
> last updated file under this directory is on oct 6th<br>
> rw-r--r-- 1 root root 0 Oct 6 15:33 error.log<br>
><br>
> Is there any way I can enable more debug messages through apache ?<br>
<br>
</span>Not sure. Try google. :)<br>
<span><font color="#888888"><br>
-m<br>
</font></span></blockquote></div><br></div>
</div></div></blockquote></div><br></div>
</div></div></blockquote></div><br></div>