Running /usr/lib/rpm/posttrans-filetriggers Reloading httpd2 service: [Fri May 17 11:15:02 2013] [crit] Apache is running a threaded MPM, but your PHP Module is not compiled to be threadsafe. You need to recompile PHP. Pre-configuration failed [FAILED] Установлен apache2-httpd-itk
С пакетами apache2-mod_php5-5.3.24.20130412-alt0.M60P.1 apache2-httpd-worker-2.2.24-alt0.M60T.1 apache2-httpd-prefork-2.2.24-alt0.M60T.1 всё работает. И если добавить apache2-httpd-itk, тоже работает.