Daniel P. Berrange wrote:
On Tue, Jul 08, 2008 at 11:17:24AM +0200, Soren Hansen wrote:
On Tue, Jul 08, 2008 at 09:37:30AM +0100, Daniel P. Berrange wrote:
The following two command lines should be identical from the user's
point of view:
# qemu-kvm -cdrom /home/berrange/boot.iso -boot d -m 500
# qemu-kvm -drive
file=/home/berrange/boot.iso,if=ide,media=cdrom,index=2,boot=on -m 500
http://sourceforge.net/tracker/index.php?func=detail&aid=1977971&group_id=180599&atid=893831
Ok, so basically this is saying that boot=on only works for media=disk.
I really don't like the fact that we now have 2 different ways of flagging
bootable disks, depending on whether want to use BIOS boot or extboot.
Semantically, boot=on means "make this the first bootable hard disk".
That's not to say that there shouldn't be a check.
If you did:
qemu-system-x86 -drive file=foo.img,boot=on -boot d
You would still boot from the cdrom.
Regards,
Anthony Liguori
The management apps shouldn't have to make such a decision - QEMU should
be picking the most appropriate choice for us. ie, if we have boot=on
with an IDE cdrom, then QEMU should automatically do a BIOS boot instead
of extboot. This way if extboot gets improved, QEMU can update its logic
to correspond without needing to change all the management apps using
QEMU.
Daniel
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