Fedora制作的一个Livecd运行出现如下错误该怎么解决

Fedora制作的一个Livecd运行出现如下错误该怎么解决

 

用Fedora17制作了一个Livecd 的iso文件，用虚拟机启动后出现下面情况，该如何解决

  www.2cto.com  

[ok] started show plymouth boot screen

 

[ok] Reached target Basic System 

dracut-initqueue[180]:mount: unknown filesystem type iso9660 

dracut-initqueue[180]:Warning 

dracut-initqueue[180]:Warining: dracut FATAL:Failed to mount block device of live image 

dracut-initqueue[180]:Warning: dracut: Refusing to continue 

dracut-initqueue[180]:Warning: /dev/mapper/live-rw does not exist 

Generating "/run/initramfs/sosreport.txt" 

 

Entering emergency mode.Exit the shell to continue 

Type "journalctl" to view system logs 

you might want to save "/run/initramfs/sosreport.txt" to aUSB stick or /boot 

after mounting them and attach it to a bug report 

 

dracut:/#_