Re: [Xen-users] Xen guest's bios=ovmf EFI vars are not persistent across guest reboot ?

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Fri, Feb 26, 2016 at 07:57:22AM -0800, suse.dev@xxxxxx wrote:
> On Fri, Feb 26, 2016, at 07:33 AM, Wei Liu wrote:
> > On Wed, Feb 24, 2016 at 05:40:32PM -0800, suse.dev@xxxxxx wrote:
> > [...]
> > > Iiuc, these efi vars, and their (non)persistence are the job of the bios, 
> > > here 'ovmf'.
> > > 
> > > How do I set the Xen guest's ovmf-bios efi vars so
> > > 
> > > (a) the list is trimmed to only the needed/correct items,
> > > (b) the right order is set,
> > > (c) any changes I make are persistent across Guest reboots
> > > 
> > 
> > Unfortunately Xen needs to be taught on how to persist those eif vars.
> > Nobody is working on that at the moment.
> > 
> > As said in other email, we play a trick in our test system to make ovmf
> > load grub automatically.
> 
> Fwiw, I'm not using grub anymore in the Guest.  I'm using systemd-boot as the 
> UEFI loader instead.  It's simpler and lighter.


The trick is the same whatever bootloader you use.


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