Encrypting boot partition Libvirt not showing the OS booting up

[john doe]

On 10/12/2020 5:14 PM, Michal Privoznik wrote:
> On 10/12/20 4:27 PM, john doe wrote:
>> On 10/12/2020 4:09 PM, Peter Krempa wrote:
>>> On Mon, Oct 12, 2020 at 16:05:43 +0200, Michal Privoznik wrote:
>>>> On 10/12/20 2:14 PM, john doe wrote:
>>>>>> <snip/>
>>>>>
>>>>> I sent privately the requested xml file to 'Peter Krempa
>>>>> <pkrempa at redhat.com>'.
>>>>> Peter Krempa 's privately answered me back suggesting to add the
>>>>> following in the domain xml file:
>>>>
>>>> Solving things privately doesn't help the community.
>>>
>>> Additionally it doesn't help solving the problem, since it's now opaque
>>> to others what the problem might be.
>>>
>>>>>
>>>>> <bios useserial='yes'/> under <os>
>>>
>>> I've suggested this as the outputs I've got privately hinted that the
>>> console (as in virsh console) didn't get to asking for the password,
>>> while the manually-started-qemu did.
>>>
>>> Thus the problem actually doesn't have to do with encryption or
>>> wahatver, but the console doesn't plainly work.
>>>
>>>>>
>>>>> such as ...
>>>>>
>>>>>   Â Â  <os>
>>>>>   Â Â Â Â  <type arch='x86_64' machine='pc-q35-3.1'>hvm</type>
>>>>>   Â Â Â Â  <boot dev='hd'/>
>>>>>   Â Â Â Â  <bios useserial='yes'/>
>>>>>   Â Â  </os>
>>>>>
>>>>
>>>> Try adding:
>>>>
>>>>      <loader type='rom'>/usr/share/seabios/bios.bin</loader>
>
> Darn, this should have been sgabios: /usr/share/sgabios/sgabios.bin
> but if your seabios is new enough (v1.11.0 and newer) then this is not
> needed as seabios itself is capable of serial interface. And looking at
> earlier e-mails in the thread you have v1.12.0-1 you you're good and
> don't need to add <loader/> at all.
>
> But honestly, I don't know why you are not getting the console. Could it
> be that you are getting the console and the qemu is waiting for your
> input, i.e. what happens if you type in the password?
>

Nothing happened at all if I try to type the password.
Yes, so am I , I'm totaly lost on why it does not work.

How can I find the command libvirt is passing to qemu?

Are you at least able to reproduce the issue (Debian Buster for host and
guest)?

--
John Doe