[rt-users] Segmentation Fault - RT3.8.4 - Apache2

[Curtis Bruneau]

This has been known to occur with some versions of DBD:mysql.  I believe 
the latest versions fix this; I'm currently using 3.0008.

raymond at pilotsupplies.com wrote:
> Hi,
>
> ubuntu 9.04 dual Xeon process, 2GB memory.
> New install RT 3.8.4 with imported RT 3.2.2 database and followed the 
> README.txt and Upgrading.mysql docs.
>
> For what ever reasons, when RT has been idled for a period of some hours, 
> more like 10 hours, when people are not accessing via website, than when I
> logs in and hit http://helpdesk.mydomain.com I get 
> a blank white page and sometimes the default generic RT page. However, 
> when I refresh it a couple time, the regular webpage loads correctly and 
> checking at /etc/apache2/error.log indicates
> the following:
>
> [Thu Aug 06 07:21:43 2009] [notice] child pid 2784 exit signal 
> Segmentation fault (11)
> [Thu Aug 06 07:21:43 2009] [notice] child pid 2785 exit signal 
> Segmentation fault (11)
> [Thu Aug 06 07:21:43 2009] [notice] child pid 2981 exit signal 
> Segmentation fault (11)
> [Thu Aug 06 07:21:43 2009] [notice] child pid 3147 exit signal 
> Segmentation fault (11)
> [Thu Aug 06 07:21:43 2009] [notice] child pid 3149 exit signal 
> Segmentation fault (11)
> [Thu Aug 06 07:22:20 2009] [notice] child pid 2783 exit signal 
> Segmentation fault (11)
> [Thu Aug 06 07:22:21 2009] [notice] child pid 2786 exit signal 
> Segmentation fault (11)
> [Thu Aug 06 07:22:24 2009] [notice] child pid 3341 exit signal 
> Segmentation fault (11)
> [Thu Aug 06 07:22:24 2009] [notice] child pid 3342 exit signal 
> Segmentation fault (11)
>
>
> It appears to me that RT needs a constant connection or something to keep 
> it alive. When someone is logged into the website and have the site 
> refresh every 2 minutes segmentation fault does not occurs.
>
> I have research and played with different settings on httpd.conf, removed 
> ufw (ubuntu firewall), removed PHP5, removed apparmor (ubuntu selinux) 
> and no resolution. RT 3.8.4 is the only website this box is hosting and it 
> has a single static IP and DNS setup correctly. 
> http://helpdesk.mydomain.com
>
> Does anyone know what could be causing this? or seen this occurance ? 
> ideas?  Any suggestions would be appreciated!
>
> my latest httpd.conf :
>
>
> Timeout 300
> KeepAlive On
> MaxKeepAliveRequests 100
> KeepAliveTimeout 15
> MinSpareServers 5
> MaxSpareServers 10
> StartServers 5
> MaxClients 150
> MaxRequestsPerChild 1500
>
> <VirtualHost *:80>
> DocumentRoot /opt/rt3/share/html
> ServerName helpdesk.mydomain.com
> #ServerAlias requestss.*
> AddDefaultCharset UTF-8
> ServerAdmin ithelpdesk at mydoamin.com
>
> #optional apache logs for RT
> ErrorLog /opt/rt3/var/log/apache2.error
> TransferLog /opt/rt3/var/log/apache2.access
> #Alias /rt/ /opt/rt3/share/html/
>
>
> <Directory /opt/rt3/share/html/>
> Order allow,deny
> Allow from all
> </Directory>
>
> #PerlModule Apache::DBI
> PerlRequire /opt/rt3/bin/webmux.pl
> PerlSetVar MasonStaticSource true
> PerlSetVar MasonBufferPreallocateSize 1073741824
> #PerlSetVar MasonBufferPreallocateSize 4096000
> PerlSetVar MasonDataCacheDefaults "cache_class=> MemoryCache, cache_depth 
> => 4"
> PerlSetVar MasonPreloads '/Elements/*'
> PerlSetVar MasonCompRoot /opt/rt3
>
>
> <Location /NoAuth/images>
> SetHandler default
> </Location>
>
> <Location />
> #AddDefaultCharset UTF-8
> SetHandler perl-script
> PerlHandler RT::Mason
> #PerlResponseHandler RT::Mason
> </Location>
>
> </VirtualHost>
>
>