Problems with edd

[Keith Roberts]

Hi all. I have a problem with trying to boot from a Fedora 9 
installation CD-R. It works on another machine, so the disk 
is OK. I guess if anyone knows the answer then it will be 
found here on the kernel developers list.

When trying to boot from a CD-R installation disk, on my 
Advent 6415 laptop I get the following:

Welcome to Fedora 9! [the installer splash screen]

 I then click on either:

 Install or upgrade an existing system
 [or]
 Install or upgrade an existing system (text mode)

 [both give me the same following error]

 Loading vmlinuz........................................... 
..............

 Loading initrd.img........................................ 
.................
 ...............ready.
 Probing EDD (edd=off to disable)... ok
 vmlinuz: attempted DOS system call
 boot:

 If I hit return now, the machine goes back to the 'Welcome 
to Fedora 9!' splash screen.

I have edited the kernel parameters at the spalsh screen and 
tried:

edd=skipmbr edd=off

All that does is not display the line:
 Probing EDD (edd=off to disable)... ok

The installation still hangs at the boot: prompt.

Has anyone come across the behaviour before please?

Is there any way I can get my laptop to boot from this 
media, maybe by passing some undocumented kernel parameters?

Kind Regards,

Keith Roberts
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