If problems appear, for example, Apache does not display a page or does not display it correctly, the following procedures can help find the problems.
A proven approach is to track the log files in a console to see how the server reacts to an access. This can be done by entering tail -f /var/log/apache2/*_log in a root console.
Check the online bug database at http://bugs.apache.org/.
Read the relevant mailing lists and newsgroups. The mailing list for users is available at http://httpd.apache.org/userslist.html. Recommended newsgroups are comp.infosystems.www.servers.unix and related groups.
If none of these possibilities provide any solution and you are sure that you have detected a bug in Apache, report it at http://www.suse.de/feedback/.