Re: Encrypting boot partition Libvirt not showing the OS booting up

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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@xxxxxxxxxx>'.
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 ...

     <os>
       <type arch='x86_64' machine='pc-q35-3.1'>hvm</type>
       <boot dev='hd'/>
       <bios useserial='yes'/>
     </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





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