On Samstag, 31. Oktober 2020 18:46:11 CET Peter Xu wrote: > On Sat, Oct 31, 2020 at 05:26:28PM +0000, Peter Maydell wrote: > > On Sat, 31 Oct 2020 at 16:12, Christian Schoenebeck > > > > <qemu_...@crudebyte.com> wrote: > > > On Montag, 26. Oktober 2020 17:19:36 CET Dr. David Alan Gilbert (git) wrote: > > > > ---------------------------------------------------------------- > > > > migration pull: 2020-10-26 > > > > > > > > Another go at Peter's postcopy fixes > > > > > > > > Cleanups from Bihong Yu and Peter Maydell. > > > > > > > > Signed-off-by: Dr. David Alan Gilbert <dgilb...@redhat.com> > > > > > > May it be possible that this PR introduced a lockup of the qtests that I > > > am > > > encountering in this week's upstream revisions? > > > > If you try the patches Peter Xu attached to this thread > > does the lockup go away ? > > > > https://lore.kernel.org/qemu-devel/20201030135350.GA588069@xz-x1/ > > > > (I'm also seeing intermittent hangs, for some reason almost always > > on s390x host.) > > It would be good to know exactly which test hanged. If it's migration-test > then it's very possible.
It's run-test-144 that does not return; according to Makefile.mtest that's migration-test, so chances are high that it's indeed introduced by this PR. > The race above patch(es) tried to fix should logically be reproducable on > all archs, not s390x only. > > Thanks, Yes, it's i386 here that locks up. I'm running the loop with your patches now, so far so good, let's see if it's still alive tomorrow. Best regards, Christian Schoenebeck