[libvirt] [Qemu-devel] [Qemu PATCH v2] add a boot option to do strict boot

[Jiri Denemark]

On Wed, Jan 09, 2013 at 18:02:22 +0000, Daniel P. Berrange wrote:
> On Wed, Jan 09, 2013 at 12:36:52PM -0500, Laine Stump wrote:
> > 
> > Just a note about this: as far as I can tell virt-manager currently only
> > uses the "old style" of specifying boot order; it needs to be enhanced
> > to recognize the presence of bootindex=n ordering, and behave
> > accordingly. Looking from the outside, that looks to be not completely
> > trivial, as the old style of ordering only allows specifying "hard disk"
> > as a single line in the priority order, but the new style has each disk
> > specified separately. Not only that, but *which* of the disks is tried
> > first under the old order may change depending on whether or not a
> > bootmenu is requested (in one case it picks unit=0 on the controller, in
> > the other case, it orders the disks alphabetically by target dev name)
> 
> Hmm, well libvirt should be using bootindex=n on the QEMU command line
> regardless of what applications put in the XML. ie if the application
> uses the old style XML, libvirt should translate that into bootindex=n
> for them.

It should already be doing that. However, when I was implementing this,
I was told bootmenu is incomatible with bootindex and thus, if you turn
on bootmenu, libvirt will not translate the old-style boot order into
bootindex.

Jirka