Re: Failure to boot CDROM with -drive arg

[Laurent Vivier <Laurent.Vivier@bull.net>]

Le mardi 08 juillet 2008 à 09:59 -0500, Anthony Liguori a écrit :
> Laurent Vivier wrote:
> > So, "boot=on" means in fact "bootable=true"
> >   
> 
> I guess.  I don't know that the later is more clear.  I think the source 
> of the confusion is the entire concept of "first bootable harddisk" 
> which is what -boot c really means.
> 
> FWIW, the reason media=cdrom,boot=on doesn't work, is that a CDROM's 
> boot record is in el torito format instead of the traditional BIOS boot 
> sector.
> 
> media=cdrom,boot=on would work if the image was a disk image instead of 
> an ISO.
> 
> In fact, I'm inclined to think that media=cdrom,boot=on should not be 
> explicitly prohibited because of this fact.

To simplify, I think qemu should ignore "boot=on" when "if=ide".

Laurent
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