Laurent Vivier wrote:
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".
It's necessary to boot from anything other than hda. For instance:
qemu-system-x86_64 -hda foo.img -drive file=boo.img,if=ide,boot=on -boot c
Regards,
Anthony Liguori
Laurent
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