Michael Tokarev <m...@tls.msk.ru> wrote: > 07.02.2023 03:56, Juan Quintela wrote: >> From: Peter Xu <pet...@redhat.com> >> Commit d9e474ea56 overlooked the case where the target psize is even >> larger >> than the host psize. One example is Alpha has 8K page size and migration >> will start to crash the source QEMU when running Alpha migration on x86. >> Fix it by detecting that case and set host start/end just to cover >> the >> single page to be migrated. > > FWIW, commit in question, which is d9e474ea56, has been applied after the > last released version to date, which is 7.2.0. So I guess this change is > not applicable to -stable.
I think it should. This is a bug that can happen when your host page is smaller than the guest size. And has been that way for a long time. Once told that, people don't migrate alpha guests a lot, but it can also happens with funny combinations of large pages. Peter Xu knows more about this. Later, Juan.
