Re: ecrypting image file breaks efi/boot of the guest/Ubuntu - ?

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On Fri, Apr 14, 2023 at 13:39:17 +0200, lejeczek wrote:
> 
> 
> On 11/04/2023 09:13, Peter Krempa wrote:
> > On Sat, Apr 08, 2023 at 11:25:18 +0200, lejeczek wrote:
> > > Hi guys.
> > > 
> > > I've have a guest and that guest differs from all other guest by:
> > > 
> > >    <os>
> > >      <type arch='x86_64' machine='pc-q35-rhel9.0.0'>hvm</type>
> > >      <loader readonly='yes' secure='yes'
> > > type='pflash'>/usr/share/edk2/ovmf/OVMF_CODE.secboot.fd</loader>
> > > <nvram>/var/lib/libvirt/qemu/nvram/ubusrv1_VARS.fd</nvram>
> > >      <boot dev='hd'/>
> > >      <bootmenu enable='yes'/>
> > >    </os>
> > > 
> > > whereas everything else has:
> > > 
> > >    <os>
> > >      <type arch='x86_64' machine='pc-q35-rhel9.0.0'>hvm</type>
> > >      <boot dev='hd'/>
> > >      <boot dev='cdrom'/>
> > >      <bootmenu enable='yes'/>
> > >    </os>
> > > 
> > > Now, that different guest fails - as the only one - to start, to boot after
> > > its qcow2 image was luks-encrypted.
> > > Guest starts but says that:
> > > 
> > > BdsDxe: failed to load Boot0001 "Uefi Misc Device" from PciRoot
> > > (0x0)/Pci(0x2,0x3)/Pci(0x0,0x0): Not found
> > > 
> > > revert back to original, non-encrypted qcow2 image and all works a ok.
> > Please attach either the full XML or at least the disk part for *both*
> > the case where it doesn't work and where it does work.

[...]

>   <devices>
>     <emulator>/usr/libexec/qemu-kvm</emulator>
>     <disk type='file' device='disk'>
>       <driver name='qemu' type='qcow2' cache='none' discard='unmap'/>
>       <source file='/00-VMs/ubusrv1.qcow2'/>
>       <target dev='vda' bus='virtio'/>
>       <address type='pci' domain='0x0000' bus='0x04' slot='0x00'
> function='0x0'/>
>     </disk>
> ...
> 
> When I add encryption to <disk> & use encrypted qcow2 then VM fails as I
> described.

I specifically asked for '*both*' XMLs. The working one. And the
non-working one.




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