Since some weeks I have started to get intermittent SSL handshake fails when connecting to the SVN repositories. For example when I browse the SVN repository of a project from a client I can get some directories without problems, others just report "Secure connection truncated".

I have tried to analyse the logs on the server and from the looks of it seems to be an issue with Ruby and MySQL. Every time I get a handshake failure the following gets written in the log from Apache2:

[Thu Aug 16 16:05:16 2012] [error] [client 62.119.61.89] Usage: DynaLoader::dl_load_file(filename, flags=0) at /usr/lib/perl5/DBD/mysql.pm line 142.\n
[Thu Aug 16 16:05:20 2012] [error] [client 62.119.61.89] DBD::mysql::db STORE failed: handle 2 is owned by thread b99e2328 not current thread b97d0868 (handles can't be shared between threads and your driver may need a CLONE method added) at /usr/lib/perl5/DBD/mysql.pm line 142.\n
[Thu Aug 16 16:05:24 2012] [error] [client 62.119.61.89] Usage: DynaLoader::dl_load_file(filename, flags=0) at /usr/lib/perl5/DBD/mysql.pm line 142.\n
[Thu Aug 16 16:05:29 2012] [error] [client 62.119.61.89] DBD::mysql::db STORE failed: handle 2 is owned by thread b97d0868 not current thread b99e2328 (handles can't be shared between threads and your driver may need a CLONE method added) at /usr/lib/perl5/DBD/mysql.pm line 142.\n
[Thu Aug 16 16:05:32 2012] [error] [client 62.119.61.89] Usage: DBD::mysql::db::_login(dbh, dbname, username, password, attribs=Nullsv) at /usr/lib/perl5/Apache/Redmine.pm line 510.\n

Which seems to be some form of threading issue. Have someone else got these issues? How did you resolve it?

My server is running:
Debian Squeeze
chiliproject 3.3.0
ruby 1.8.7.302
rubygems 1.3.7
mysql 5.1.63
libmysql-ruby 2.8.2
apache2 2.2.16
apache2-mpm-worker 2.2.16
libapache2-mod-passenger 2.2.11
subversion 1.6.12
libapache2-svn 1.6.12