Migration with "--p2p --tunnelled" hanging in v6.9.0

[Christian Ehrhardt]

On Tue, Nov 24, 2020 at 4:30 PM Peter Krempa <pkrempa at redhat.com> wrote:
>
> On Tue, Nov 24, 2020 at 16:05:53 +0100, Christian Ehrhardt wrote:
> > Hi,
>
> [...]

BTW to reduce the scope what to think about - I have rebuilt 6.8 as
well it works.
Thereby I can confirm that the offending change should be in between
6.8.0 -> 6.9.0.

> > In git/news I only found these changes which sounded to be relevant:
> >   f51cbe92c0 qemu: Allow migration over UNIX socket
> >   c69915ccaf peer2peer migration: allow connecting to local sockets
> > But I'm not using unix: and in the logs the only unix: mentions are for the
> > qemu monitor and qemu-guest-agent.
>
> One very important part of '--tunnelled' migration is the use of
> virStream APIs to transport the migration data. Perhaps something there
> is broken since it doesn't reproduce when not using the tunnel

Thanks for the hint Peter.
I was now looking there as well, but other than the switch to  g_new0
there is neither a change carrying the words "stream" nor one that
is affecting the related files that implement virStream*.

-- 
Christian Ehrhardt
Staff Engineer, Ubuntu Server
Canonical Ltd