I have the same bug with this conf: installed OCS Inventory NG (http://ocsinventory.sourceforge.net/), with this apache config : PerlRequire /var/www/ocsinventory-NG/Ocsinventory_startup.pl <Location /ocsinventory> order deny,allow allow from all SetHandler perl-script PerlHandler Ocsinventory #Database name PerlSetVar DBNAME ocsweb #Database user PerlSetVar DBUSER usernamegna #Database password PerlSetVar DBPWD gnagnagna #Listening server port PerlSetVar DBPORT 3306 #Server hostname PerlSetVar DBHOST localhost </Location> ------------------------------------------------- Ocsinventory_startup.pl is OK ------------------------------------------------- Something that may help http://modperlbook.org/html/ch22_03.html#pmodperl-CHP-22-SECT-3.3
22.3.3. exit signal Segmentation fault (11) If you build mod_perl and mod_php in the same binary, you might get a segmentation fault followed by this error: exit signal Segmentation fault (11) The solution is to not rely on PHP's built-in MySQL support, and instead build mod_php with your local MySQL support files by adding —with-mysql=/path/to/mysql during ./configure. For me, the problem is reproducible. First use is ok, but second outputs in the error log (so i have to restart apache.