Comment 8 for bug 376896

I've added some additional error checking to fast hash a while ago in upstream dc++, but it has not made its way to linuxdcpp yet. It may show that madvise is indicating an error and fallback to regular hash in your case. Can you try grabbing the latest copy of HashManager.cpp and .h from DC++ and retrying? Also, what is your max hash speed size preference set to?

http://bazaar.launchpad.net/~dcplusplus-team/dcplusplus/trunk/files/head%3A/dcpp/