RealPlayer播放卡的问题

RealPlayer安装没有问题,也可以正常播放,可是安装alsa-oss出现如下问题:
yum -y install alsa-oss
Setting up Install Process
Setting up repositories
livna 100% |=========================| 951 B 00:00
http://download.Fedoraproject.or … epodata/repomd.xml: [Errno 4] IOError: HTTP Error 404: Date: Mon, 30 Jul 2007 06:30:58 GMT
Server: Apache/2.0.54 (Fedora)
Content-Length: 340
Content-Type: text/html; charset=iso-8859-1
Trying other mirror.
updates-released 100% |=========================| 951 B 00:00
extras 100% |=========================| 1.1 kB 00:00
base 100% |=========================| 1.1 kB 00:00
Reading repository metadata in from local files
Parsing package install arguments
No Match for argument: alsa-oss
Nothing to do
请指点哪里除了问题,该如何解决,谢谢!!