Andres Freund <and...@anarazel.de> writes: > On 2016-10-05 14:01:05 -0400, Tom Lane wrote: >> I think what is happening is that there are circular assumptions that end >> up trying to implement a spinlock in terms of a spinlock, or otherwise >> somehow recursively use the process's semaphore. It's a bit hard to tell >> though because the atomics code is such an underdocumented rat's nest of >> #ifdefs.
> I don't think that should be the case, but I'll look into it. How long > did it take for you to reproduce the issue? It hangs up within 10 or 20 seconds for me. I didn't try hard to get a census of where, but at least some of the callers are trying to acquire buffer partition locks. regards, tom lane -- Sent via pgsql-hackers mailing list (email@example.com) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers