I see it a lot, but I think that is a result of ereport(FATAL) after FileWrite(BLCKSZ/3) added by Jeff.Hm. And you're not seeing the asserts I reported in http://archives.postgresql.org/message-id/20160505185246.2i7qftadwhzewykj%40alap3.anarazel.de ?
Teodor Sigaev E-mail: teo...@sigaev.ru WWW: http://www.sigaev.ru/ -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers