Hi,
Can you try following command to burn the dvd
To use growisofs to write a pre-mastered ISO-image to a DVD:
growisofs -dvd-compat -Z /dev/dvd=image.iso
Sorry, I just pasted the first google result.
Here is the latest doc:
http://docs.fedoraproject.org/install-guide/f11/en-US/html/s1-begininstall-hd-x86.html#table-Location_of_ISO_images
cheers,
- steve