root= for Fedora 17 pxeboot?

[Kamil Paral]

> I have been using the following for the "default" file in tftpd.
> It has worked until Fedora 17, which needs a root= phrase.
> However I can find no information on what that phrase should be.
> What should it be changed to?
> 
> prompt 1
> default linux
> timeout 100
> 
> label linux
> kernel vmlinuz
> append initrd=initrd.img ramdisk_size=9216 askmethod noselinux

https://bugzilla.redhat.com/show_bug.cgi?id=785815