* Peter Xu (pet...@redhat.com) wrote: > On Mon, Sep 23, 2019 at 02:10:20PM +0100, Dr. David Alan Gilbert (git) wrote: > > From: "Dr. David Alan Gilbert" <dgilb...@redhat.com> > > > > Alex noticed that some of the postcopy tests would occasionally > > hang; this series adds some checks to make them more likely > > to assert than hang in some failure cases, and changes > > the migration bandwidth so that under load it's much more likely > > to manage to land in postcopy. > > > > Dr. David Alan Gilbert (2): > > tests/migration: Fail on unexpected migration states > > tests/migration/postcopy: trim migration bandwidth > > Reviewed-by: Peter Xu <pet...@redhat.com> > > I might be even more aggresive on patch 2 when turning down the > bandwidth. :) > > Another thing I thought about on the hang issue is that maybe we can > give a timeout for the waits and when the timeout triggers before a > directly assert in the test case we send sigabrt to QEMU (just like > what kill_qemu does) then we could have a chance to see the cores. > Not sure whether that could help, though.
Yes I might need to add that; I can see there's another hang somewhere even with these two patches. (I *think* it's at the end while it's waiting for completion after resumption - but I've not figured out what's going on yet). Dave > Regards, > > -- > Peter Xu -- Dr. David Alan Gilbert / dgilb...@redhat.com / Manchester, UK
