I think the cause of this bug resides in patch "kubuntu_73_nomediaioslave_mounthelper.diff". I'm not a c++ developer, but, as i understand, the function "automountRemovables()" inserted in medianotifier.cpp mounts removable devices as soon as they are found overriding the settings in mediamanager.
-- Mediamanager in kde 3.5.5 does not honour automount setting https://launchpad.net/bugs/69561 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs