I am using remote debugging, server is under linux with php 4.3.10 and dbg 2.13.1 and the client is under win2000 with eclipse 3.1.2. The debugguer freezes while stepping at random locations like webscott's problem. Sometimes i can step through 10 lines, sometimes 20 sometimes 2. I'm debugging through a LAN, so connection to server must be good (actually, i tryed about 15 times to run the same script and never went over the 30th lines).