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)
W: Duplicate sources.list entry http://cn.archive.ubuntu.com feisty/universe Translation-zh_CN (/var/lib/apt/lists/cn.archive.ubuntu.com_ubuntu_dists_feisty_universe_i18n_Translation-zh%5fCN)
E: Dynamic MMap ran out of room
E: Dynamic MMap ran out of room
E: Dynamic MMap ran out of room
E: 处理 libtrain-bin (NewVersion1)时出错
E: Problem with MergeList /var/lib/apt/lists/cn.archive.ubuntu.com_ubuntu_dists_dapper_multiverse_binary-i386_Packages
E: 无法解析或打开软件包的列表或是状态文件。


Could not initialize the package information

A unresolvable problem occurred while initializing the package information.

Please report this bug against the 'update-manager' package and include the following error message:

'W:Duplicate sources.list entry cdrom://Ubuntu 7.04 _Feisty Fawn_ - Release i386 (20070415) feisty/main Packages (/var/lib/apt/lists/Ubuntu%207.04%20%5fFeisty%20Fawn%5f%20-%20Release%20i386%20(20070415)_dists_feisty_main_binary-i386_Packages), W:Duplicate sources.list entry cdrom://Ubuntu 7.04 _Feisty Fawn_ - Release i386 (20070415) feisty/restricted Packages (/var/lib/apt/lists/Ubuntu%207.04%20%5fFeisty%20Fawn%5f%20-%20Release%20i386%20(20070415)_dists_feisty_restricted_binary-i386_Packages), 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), W:Duplicate sources.list entry http://cn.archive.ubuntu.com feisty/universe Translation-zh_CN (/var/lib/apt/lists/cn.archive.ubuntu.com_ubuntu_dists_feisty_universe_i18n_Translation-zh%5fCN), E:Dynamic MMap ran out of room, E:Dynamic MMap ran out of room, E:Dynamic MMap ran out of room, E:处理 libtrain-bin (NewVersion1)时出错, E:Problem with MergeList /var/lib/apt/lists/cn.archive.ubuntu.com_ubuntu_dists_dapper_multiverse_binary-i386_Packages, E:无法解析或打开软件包的列表或是状态文件。'

我曾经出现和你一样的问题。后来发现是更新源设错了。我装的是8.04,用的是8.10的源，出现错误。后来改为8.04的源，问题解决。

sudo rm /var/lib/apt/lists/* -vf
sudo apt-get update

更新，嗯，三楼的方法可行，谢谢了

我前天装了Natty，现在也有这个问题了。用三楼的方法update中，不知行不行。一会儿成功了再报告