Re: Robert Haas 2014-12-02 <CA+Tgmoa9HE=1GObU7MKuGLDBjBNSNRW0bDE4P3JA=P=9mqg...@mail.gmail.com> > I can't tell from this exactly what's going wrong. Questions: > > 1. Are there any background worker processes running at the same time? > If so, how many? We'd expect to see 3. > 2. Can we printout of the following variables in stack frame 3 > (test_shm_mq_pipelined)? send_count, loop_count, *outqh, *inqh, > inqh->mqh_queue[0], outqh->mqh_queue[0] > 3. What does a backtrace of each background worker process look like? > If they are stuck inside copy_messages(), can you print *outqh, *inqh, > inqh->mqh_queue[0], outqh->mqh_queue[0] from that stack frame? > > Sorry for the hassle; I just don't have a better idea how to debug this.
No problem, I'm aware this isn't an easy target. I didn't have access to the build env myself, I'm not sure if I can find someone to retry the test there. I'll let you know when I have more data, but that will take a while (if at all :-/). Christoph -- c...@df7cb.de | http://www.df7cb.de/ -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
