crouton安装ubuntu卡在crouton-xorg的包依赖上

[xuanirelia]

You might want to run 'apt-get -f install' to correct these.
The following packages have unmet dependencies:
crouton-xorg : Depends: libglu1-mesa but it is not installed
Depends: xfonts-base but it is not installed
Depends: x11-apps but it is not installed
Depends: x11-session-utils but it is not installed
Depends: x11-utils but it is not installed
Depends: x11-xfs-utils but it is not installed
Depends: x11-xserver-utils but it is not installed
Depends: xauth but it is not installed
Depends: xinit but it is not installed
Depends: xfonts-utils but it is not installed
Depends: xorg-docs-core but it is not installed
Depends: xterm but it is not installed
Depends: xinput but it is not installed
E: Unmet dependencies. Try using -f.
Failed to complete chroot setup.
Unmounting /mnt/stateful_partition/crouton/chroots/precise...
能通过sudo enter-chroot -x进入chroot

[dubuqingfeng]

具体是因为什么呢，网络的问题？还是依赖管理的问题？具体怎么执行命令的？与原crouton的差别在哪？