fedora12 声音问题 刚才好用来

开机打不开声音，系统里打开的话 老师说等待响应，终端下打开显示
[mon@tutus ~]$ Pulseaudio
bash: Pulseaudio: command not found
[mon@tutus ~]$ pulseaudio
E: module-console-kit.c: GetSessionsForUnixUser() call failed: org.freedesktop.DBus.Error.Spawn.PermissionsInvalid: The permission of the setuid helper is not correct
E: module.c: Failed to load module "module-console-kit" (argument: ""): initialization failed.
E: main.c: Module load failed.
E: main.c: 后台程序初始化失败。