I think you were on to something here.
[Mon May 11 08:50:09 2015] [emerg] (4)Interrupted system call: couldn't
grab the accept mutex

[Mon May 11 08:50:09 2015] [emerg] (4)Interrupted system call: couldn't
grab the accept mutex

[Mon May 11 08:50:10 2015] [alert] Child 5331 returned a Fatal error...
Apache is exiting!

[Mon May 11 08:51:25 2015] [emerg] (4)Interrupted system call: couldn't
grab the accept mutex

[Mon May 11 08:51:46 2015] [emerg] (4)Interrupted system call: couldn't
grab the accept mutex

[Mon May 11 16:11:44 2015] [warn] RSA server certificate CommonName (CN)
`127.0.0.1' does NOT match server name!?

[Mon May 11 16:11:46 2015] [warn] RSA server certificate CommonName (CN)
`127.0.0.1' does NOT match server name!?

[Mon May 11 16:11:46 2015] [notice] Apache/2.2.22 (Ubuntu) mod_ssl/2.2.22
OpenSSL/1.0.1 mod_perl/2.0.5 Perl/v5.14.2 configured -- resuming normal
operations

[Mon May 11 16:25:13 2015] [emerg] (4)Interrupted system call: couldn't
grab the accept mutex

[Mon May 11 16:25:14 2015] [alert] Child 9441 returned a Fatal error...
Apache is exiting!

[Mon May 11 16:25:30 2015] [emerg] (4)Interrupted system call: couldn't
grab the accept mutex

[Mon May 11 16:30:42 2015] [emerg] (4)Interrupted system call: couldn't
grab the accept mutex

[Mon May 11 16:31:09 2015] [emerg] (4)Interrupted system call: couldn't
grab the accept mutex

[Mon May 11 16:31:12 2015] [emerg] (4)Interrupted system call: couldn't
grab the accept mutex

[Mon May 11 16:36:41 2015] [emerg] (4)Interrupted system call: couldn't
grab the accept mutex

[Mon May 11 16:36:42 2015] [emerg] (4)Interrupted system call: couldn't
grab the accept mutex

[Mon May 11 16:37:12 2015] [emerg] (4)Interrupted system call: couldn't
grab the accept mutex

[Mon May 11 16:37:42 2015] [emerg] (4)Interrupted system call: couldn't
grab the accept mutex

[Tue May 12 09:52:01 2015] [warn] RSA server certificate CommonName (CN)
`127.0.0.1' does NOT match server name!?

[Tue May 12 09:52:04 2015] [warn] RSA server certificate CommonName (CN)
`127.0.0.1' does NOT match server name!?

[Tue May 12 09:52:04 2015] [notice] Apache/2.2.22 (Ubuntu) mod_ssl/2.2.22
OpenSSL/1.0.1 mod_perl/2.0.5 Perl/v5.14.2 configured -- resuming normal
operations


I've seen this on a previous install, same server, different OS and this is
a clean install of 5.0.2.  Strange its showing up again.  I'll dig through
my history for the fix.  I am quite curious now though as to what is
causing this though if no one else is seeing it.  Strange.

On Tue, May 12, 2015 at 9:43 AM James Rouzier <[email protected]> wrote:

>  It looks like your httpd.webservices is down or not responding.
>
> Do the following
>
> /usr/local/pf/bin/pfcmd service httpd.webservices restart
>
> Then check the error logs to see what happened.
>
> /usr/local/pf/logs/httpd.webservices.*
>
>
> James [email protected] :: +1.514.755.3630  ::  http://www.inverse.ca
> Inverse inc. :: Leaders behind SOGo (http://www.sogo.nu) and PacketFence 
> (http://www.packetfence.org)
>
> On 2015-05-11 10:48 PM, Brian Lucas wrote:
>
> Any ideas as to what might be causing these errors and how I can resolve
> them?  Packetfence version 5.0.2 on Ubuntu 12.04 LTS.
>
>  May 11 21:38:28 httpd.portal(18851) INFO: Matched IP '172.16.x.x' to MAC
> address 'xx:xx:xx:xx:xx:xx' using OMAPI (pf::iplog::ip2mac)
>
> May 11 21:38:28 httpd.portal(18851) ERROR: An error occured while sending
> a JSONRPC request: 7 Couldn't connect to server couldn't connect to host
> (pf::api::jsonrpcclient::notify)
>
> May 11 21:38:28 httpd.portal(18851) ERROR: An error occured while sending
> a JSONRPC request: 7 Couldn't connect to server couldn't connect to host
> (pf::api::jsonrpcclient::notify)
>
> May 11 21:38:28 httpd.portal(18851) ERROR: An error occured while sending
> a JSONRPC request: 7 Couldn't connect to server couldn't connect to host
> (pf::api::jsonrpcclient::notify)
>
> May 11 21:38:28 httpd.portal(18851) ERROR: An error occured while sending
> a JSONRPC request: 7 Couldn't connect to server couldn't connect to host
> (pf::api::jsonrpcclient::notify)
>
> May 11 21:38:28 httpd.portal(18851) ERROR: An error occured while sending
> a JSONRPC request: 7 Couldn't connect to server couldn't connect to host
> (pf::api::jsonrpcclient::notify)
>
> May 11 21:38:28 httpd.portal(18851) ERROR: An error occured while sending
> a JSONRPC request: 7 Couldn't connect to server couldn't connect to host
> (pf::api::jsonrpcclient::notify)
>
> May 11 21:38:28 httpd.portal(18851) ERROR: An error occured while sending
> a JSONRPC request: 7 Couldn't connect to server couldn't connect to host
> (pf::api::jsonrpcclient::notify)
>
> May 11 21:38:28 httpd.portal(18851) INFO: [xx:xx:xx:xx:xx:xx] redirected
> to guests self registration page on ourportal portal
> (captiveportal::PacketFence::Controller::CaptivePortal::checkIfNeedsToRegister)
>
> May 11 21:38:32 httpd.aaa(9398) INFO: [xx:xx:xx:xx:xx:xx] handling radius
> autz request: from switch_ip => (172.16.x.x), connection_type =>
> Wireless-802.11-NoEAP,switch_mac => (xx:xx:xx:xx:xx:xx), mac =>
> [xx:xx:xx:xx:xx:xx], port => 3601, username => "xxxxxxxxxxxx"
> (pf::radius::authorize)
>
> May 11 21:38:32 httpd.aaa(9398) INFO: [xx:xx:xx:xx:xx:xx] is of status
> unreg; belongs into registration VLAN (pf::vlan::getRegistrationVlan)
>
> May 11 21:38:32 httpd.aaa(9398) INFO: [xx:xx:xx:xx:xx:xx] (172.16.x.x)
> Returning ACCEPT with VLAN 2 and role
> (pf::Switch::returnRadiusAccessAccept)
>
> May 11 21:38:55 httpd.portal(18865) INFO: Matched IP '172.16.x.x' to MAC
> address 'xx:xx:xx:xx:xx:xx' using OMAPI (pf::iplog::ip2mac)
>
> May 11 21:38:55 httpd.portal(18865) ERROR: An error occured while sending
> a JSONRPC request: 7 Couldn't connect to server couldn't connect to host
> (pf::api::jsonrpcclient::notify)
>
> May 11 21:38:55 httpd.portal(18865) ERROR: An error occured while sending
> a JSONRPC request: 7 Couldn't connect to server couldn't connect to host
> (pf::api::jsonrpcclient::notify)
>
> May 11 21:38:55 httpd.portal(18865) ERROR: An error occured while sending
> a JSONRPC request: 7 Couldn't connect to server couldn't connect to host
> (pf::api::jsonrpcclient::notify)
>
> May 11 21:38:55 httpd.portal(18865) ERROR: An error occured while sending
> a JSONRPC request: 7 Couldn't connect to server couldn't connect to host
> (pf::api::jsonrpcclient::notify)
>
> May 11 21:38:55 httpd.portal(18865) ERROR: An error occured while sending
> a JSONRPC request: 7 Couldn't connect to server couldn't connect to host
> (pf::api::jsonrpcclient::notify)
>
> May 11 21:38:55 httpd.portal(18865) ERROR: An error occured while sending
> a JSONRPC request: 7 Couldn't connect to server couldn't connect to host
> (pf::api::jsonrpcclient::notify)
>
> May 11 21:38:55 httpd.portal(18865) ERROR: An error occured while sending
> a JSONRPC request: 7 Couldn't connect to server couldn't connect to host
> (pf::api::jsonrpcclient::notify)
>
> May 11 21:38:55 httpd.portal(18865) INFO: [xx:xx:xx:xx:xx:xx] redirected
> to guests self registration page on ourportal portal
> (captiveportal::PacketFence::Controller::CaptivePortal::checkIfNeedsToRegister)
>
>  IPs and MACs redacted.  Any help would be appreciated.
>
>  Brian
>
>
> ------------------------------------------------------------------------------
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> Widest out-of-the-box monitoring support with 50+ applications
> Performance metrics, stats and reports that give you Actionable Insights
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>
>
>
> _______________________________________________
> PacketFence-users mailing 
> [email protected]https://lists.sourceforge.net/lists/listinfo/packetfence-users
>
>
>
> ------------------------------------------------------------------------------
> One dashboard for servers and applications across Physical-Virtual-Cloud
> Widest out-of-the-box monitoring support with 50+ applications
> Performance metrics, stats and reports that give you Actionable Insights
> Deep dive visibility with transaction tracing using APM Insight.
> http://ad.doubleclick.net/ddm/clk/290420510;117567292;y
> _______________________________________________
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>
------------------------------------------------------------------------------
One dashboard for servers and applications across Physical-Virtual-Cloud 
Widest out-of-the-box monitoring support with 50+ applications
Performance metrics, stats and reports that give you Actionable Insights
Deep dive visibility with transaction tracing using APM Insight.
http://ad.doubleclick.net/ddm/clk/290420510;117567292;y
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