Jeff Frost <jeff(at)pgexperts(dot)com> writes:
> Any idea what I should be looking for in the backtraces?
> I would imagine I can ignore any that are in InitPostgres, but that still
> leaves quite a few to look through.
I think you can probably skip all that are blocked in LWLockAcquire
called from bufmgr.c:531, at least for a first pass. Calls from
elsewhere in bufmgr.c might be more interesting, and anything that's not
blocked at an LWLockAcquire at all might be even more interesting.
regards, tom lane