我的2.1怎么升级更新不了？

ls_gx

想装个KDE4，但系统升级更新不了。
[root@MagicLinux ~]# apt-get dist-upgrade
Reading Package Lists... Done
Building Dependency Tree... Done
Calculating Upgrade... Failed
The following packages have unmet dependencies:
  util-linux-ng: Obsoletes: util-linux (< 2.13.1)
E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.

haulm

我倒是想用GCC4重编译一次KDE4看下效果。