请教一个用yum(fc6)从iso安装软件的问题

hxlttxp

我将fc6的dvd版iso复制到了/usr/src/fc6iso/文件夹里，然后在/etc/yum.repo.d文件夹里添加iso.repo文件，如下：
[iso]
name=iso
baseurl=file:///usr/src/fc6iso

enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora
gpgcheck=0

然后yum groupinstall "Sound and Video"
结果出现下面问题：
[root@localhost /]# yum groupinstall "Sound and Video"
Loading "installonlyn" plugin
Setting up Group Process
Setting up repositories
Setting up repositories
Reading repository metadata in from local files
Package alsa-utils - 1.0.12-3.fc6.i386 already installed and latest version
Package sox - 12.18.1-1.i386 already installed and latest version
Package mkisofs - 9:2.01-10.i386 already installed and latest version
Package cdrecord - 9:2.01-10.i386 already installed and latest version
Resolving Dependencies
--> Populating transaction set with selected packages. Please wait.
---> Downloading header for totem to pack into transaction set.
media://1161131669.029329%232/Fedora/RPMS/totem-2.16.1-1.fc6.i386.rpm: [Errno 4] IOError: <urlopen error unknown url type: media>
Trying other mirror.
Error: failed to retrieve Fedora/RPMS/totem-2.16.1-1.fc6.i386.rpm from iso
error was [Errno 4] IOError: <urlopen error unknown url type: media>

我发现fc6的iso文件中的repodata/primary.xml中的location行比fc5 的多了
xml:base="media://1161131669.029329#2"这样的东东，将其删除，但还是提示上述上述错误，不知道该怎么解决，请高手指点！！

谢谢！！