我打开ubuntu的新立得后弹出错误对话框：我是初学者！
E: Dynamic MMap ran out of room
E: 处理 libglu1-mesa-dev (NewVersion1)时出错
E: Problem with MergeList /var/lib/apt/lists/ftp.sjtu.edu.cn_sites_archive.ubuntu.com_dists_breezy-updates_main_binary-i386_Packages
E: 无法解析或打开软件包列表或状态文件。
E: _cache->open() failed, please report.
W: Duplicate sources.list entry http://cn.archive.ubuntu.com feisty/universe Packages (/var/lib/apt/lists/cn.archive.ubuntu.com_ubuntu_dists_feisty_universe_binary-i386_Packages)
