On Tue, Jun 30, 2020 at 04:25:58PM +0200, Marcin Juszkiewicz wrote:
> W dniu 30.06.2020 o 16:20, Tom Hughes via devel pisze:
> > On 30/06/2020 15:00, Florian Weimer wrote:
> >> * Jóhann B. Guðmundsson:
> >> 
> >>> Given Hans proposal [1] introduced systemd/grub2/Gnome upstream 
> >>> changes it beg the question if now would not be the time to stop 
> >>> supporting booting in legacy bios mode and move to uefi only
> >>> supported boot which has been available on any common intel based
> >>> x86 platform since atleast 2005.
> >> 
> >> Even for virtualization?  Not sure if that can be done.
> > 
> > Good point. Certainly libvirt still defaults to legacy BIOS and I
> > don't think UEFI is even possible without manually editing the XML
> > definition for the machine.
> New installs for x86-64 VM can be BIOS of UEFI for quite some years.
> For both i440fx and q35 variants. 
> Migration from BIOS to UEFI would require edit of instance XML but
> should not be needed as you would not throw away working computer just
> because OS decided to not support it's method of booting.

If you mean migration of existing guests, then you need to repartition
them and reinstall the bootloader.  I doubt anyone has a practical
idea of how to do that either manually or automatically.


Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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