Re: [PULL 00/18] migration queue

[Peter Maydell]

On Mon, 14 Mar 2022 at 17:07, Daniel P. Berrangé <berrange@redhat.com> wrote:
> So the test harness is waiting for a reply to 'query-migrate'.
>
> This should be fast unless QEMU has hung in the main event
> loop servicing monitor commands, or stopped.

I was kind of loose with the terminology -- I don't remember whether
it was actually hung in the sense of stopped entirely, or just
"sat in a loop waiting for a migration state that never arrives".
I'll try to look more closely if I can catch it in the act again.

One thing that makes this bug investigation trickier, incidentally,
is that the migration-test code seems to depend on userfaultfd.
That means you can't run it under 'rr'.

-- PMM