Mark Dilger <mark(dot)dilger(at)enterprisedb(dot)com>
Cc:
Robert Haas <robertmhaas(at)gmail(dot)com>, Peter Geoghegan <pg(at)bowt(dot)ie>,
"Andrey M(dot) Borodin" <x4mmm(at)yandex-team(dot)ru>,
Stephen Frost <sfrost(at)snowman(dot)net>,
Michael Paquier <michael(at)paquier(dot)xyz>, Amul Sul <sulamul(at)gmail(dot)com>,
Dilip Kumar <dilipbalaut(at)gmail(dot)com>,
Andres Freund <andres(at)anarazel(dot)de>,
PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
ooh, looks like prairiedog sees the problem too. That means I should be able to reproduce it under a debugger, if you're not certain yet where the problem lies.