debian ntp 安装问题

cuijun21cn

netadmin01:/etc# apt-get install ntp
Reading Package Lists... Error!
E: Dynamic MMap ran out of room
E: Error occured while processing octave2.0-emacsen (NewVersion1)
E: Problem with MergeList /var/lib/apt/lists/ftp.wa.au.debian.org_debian_dists_stable_main_binary-i386_Packages
E: The package lists or status file could not be parsed or opened.
You have new mail in /var/mail/root
netadmin01:/etc#


上面是我安装包的情况，提示读取包错误，我已经配置好了apt-setup里面的选择镜像，可还是有问题，请大家指教下。msn:chuijun21@hotmail.com