Hello, I performed several tests. Starting with a fresh installation of CentOS 6.5 and a fresh compilation of the latest MySQL 5.5 and Apache (with latest apr and apr-util) Minimal changes to the default configuration, without adding or removing apache modules, to permit the use of mod_dbd and mod_ssl Only one non-ssl site (with dbd auth) and only one ssl site - With apache 2.4.9, it crash if in the ssl site I use SSLCACertificateFile ( I have some sites that use client certificates). Removing that directive, apache starts and dbd authentication works. - With apache 2.4.7, it crash with any SSL directive configured - Both installation works if apache starts without the DBDriver directive. Adding the directive and doing a graceful restart works. I never used strace or gdb, but if someone give me some instructions I can try. Thanks, Andrea Il 03/06/2014 00:07, Nick Kew ha scritto: > On 2 Jun 2014, at 13:56, Andrea Gabellini - SC wrote: > >> Hello, >> >> with LogLevel = debug and only one SSL site enabled (for readability) I >> got the following output. The first block is with DBDriver enabled and >> the second without it. I can't see anything relevant, but i'm not a >> developer ;-) > One more thought: maybe you have a problem with conflicting libraries > linked to apache (or a module such as mod_ssl) and one of the databases > loaded by DBD? You could check that with ldd. A possible culprit could > be a hasty update to OpenSSL versions in reaction to heartbleed! > > If that's the problem, it's down to your build. What to do depends on > whether you build from source or install from a package manager. > In the former case, clean-and-rebuild is an easy fix; in the latter, > make sure you update all, and if that doesn't fix it, take it up > with the package maintainers. > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx