> Thanks for all the responses. After some digging, playing, > guessing, etc. I deleted the cache.mmap and then it worked > fine. Seems to happen a fair bit. Maybe there needs to be more sanity checking in nntpcache (with magic numbers to detect clobbers, etc.), or fork off a daemon that every 30 seconds or so does consistency checks. Sure, it would probably suck for a busy production environment on the long term, but on the short term in might point out what some of these problems are. -cw