Поймал http://bugs.php.net/bug.php?id=49913 на apache-mod_php5-5.2.11.20090722-alt1 в VE: PHP Warning: PHP Startup: mm_create(0, /var/spool/apache/sessions/session_mm_apache0) failed, err mm:core: failed to acquire shared memory segment (Invalid argument) in Unknown on line 0 Processing config directory: /etc/httpd/conf/addon-modules.d/*.conf Processing config file: /etc/httpd/conf/addon-modules.d/apache-mod_php5.conf [Tue Nov 3 12:01:33 2009] [warn] module mod_php5.c is already added, skipping Processing config file: /etc/httpd/conf/addon-modules.d/mod_charset.conf Processing config file: /etc/httpd/conf/addon-modules.d/mod_realip.conf Processing config directory: /etc/httpd/conf/vhosts.d/*.conf Processing config file: /etc/httpd/conf/vhosts.d/00-example.conf [Tue Nov 3 12:01:33 2009] [warn] NameVirtualHost *:0 has no VirtualHosts PHP Warning: PHP Startup: mm_create(0, /var/spool/apache/sessions/session_mm_apache0) failed, err mm:core: failed to acquire shared memory segment (Invalid argument) in Unknown on line 0 [Tue Nov 3 12:01:33 2009] [notice] Apache configured -- resuming normal operations [Tue Nov 3 12:01:33 2009] [notice] Accept mutex: sysvsem (Default: sysvsem) Говорят, исправлено в SVN.
В новой версии не воспроизводится.