Mono and Apache are serving files with no ASP.NET processing

On a new Rackspace Cloud Server box (Ubuntu 9.10), I've installed apache2, libapache2-mod-mono, and mod-mono-server2. I've disabled mod_mono and enabled mod_mono_auto, but whatever I do, requests for Default.aspx return the actual contents of Default.aspx (in this case, "This is a marker file generated by the precompilation tool, and should not be deleted!")

I've installed XSP, and it looks like it works okay, but I'd like to use Apache with mod_mono (seems a more common configuration) if I can get it running. However, this is no error messages and no hints, with Google obviously no开发者_JAVA百科t terribly helpful. What else can I look for to make sure I'm configured correctly? How can I test further?

I never did sort out the issue with mod_mono_auto (or MonoAutoApplication). I switched back to mod_mono, set up a mod_mono.conf with the following:

MonoAutoApplication disabled
Alias / "/var/www"
AddMonoApplications default "/:/var/www"
<Location / >
SetHandler mono
</Location>

...which is all the configuration I needed to do there. Working as designed for now.