I was able to figure out my new apache problem. It seems that PAX_MEMORY_UDEREF and apache's EnableMMAP directive don't get along sometimes:
http://httpd.apache.org/docs/2.2/mod/core.html#enablemmap With UDEREF enabled and MMAP on, I get random inappropriate 206 response codes everywhere causing headers, images, and CSS files to fail to transfer properly. This is sufficiently into the realm of what I consider voodoo. Is there anything I can do to help narrow down the problem, or should I just disable MMAP and be happy?
