> > This is a tricky bug. Do you also have a proposal of a particular fix? > > If my understanding is correct, we should make a WAL record with the > XLH_LOCK_ALL_FROZEN_CLEARED flag *before* we modify the VM but within > the same critical section (in order to avoid race conditions within > the same backend).
I meant instance, not backend. Sorry for confusion. > A draft patch is attached. It makes the test pass and doesn't seem to > break any other tests.
