what seems to be happening is some sort of loop between mongrel and lightspeed. using strace i can repetitions of one file, for example
writev(4, [{"GET /flower_delivery/florists_in"..., 441}, {"X-Forwarded-For: 74.124.192.171\r"..., 35}], 2) = 476
in lightspeed
and a similar line saying read...