CentOS 5 Server :: Httpd Dead But Subsys Locked?

I've got a box with a fresh installation of CentOS 5.6, but had several configs copied from an old 4.8 box that I've now got to finish. Most everything seems fine, but I can't get apache running. It reports that it starts up fine, but immediately stops and reports "httpd dead but subsys locked"Most of the advice I've found while searching suggests to just delete the http.pid file and restart, which doesn't help in my case. I did find a few problems where SELinux was restricting httpd from creating or touching certain files (I found reports in /var/log/messages) but I've worked through that.

So the big question here is: /var/log/messages and /var/log/httpd/error_log are now empty, and don't show any more errors when I restart httpd. Does anyone know where else I can look for reporting/logging on what's happening to httpd to cause it to die?