Re: [PULL 00/18] migration queue

[Dr. David Alan Gilbert]

* Peter Maydell (peter.maydell@linaro.org) wrote:
> On Mon, 14 Mar 2022 at 17:55, Dr. David Alan Gilbert
> <dgilbert@redhat.com> wrote:
> >
> > Peter Maydell (peter.maydell@linaro.org) wrote:
> > > 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'.
> >
> > That should only be the postcopy tests; the others shouldn't use that.
> 
> tests/qtest/migration-test.c:main() exits immediately without adding
> any of the test cases if ufd_version_check() fails, so no userfaultfd
> means no tests run at all, currently.

Ouch! I could swear we had a fix for that.

Anyway, it would be really good to see what migrate-query was returning;
if it's stuck in running or cancelling then it's a problem with multifd
that needs to learn to let go if someone is trying to cancel.
If it's failed or similar then the test needs fixing to not lockup.

Dave

> -- PMM
> 
-- 
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK