Noah Misch <n...@leadboat.com> schrieb: >On Sun, Dec 01, 2013 at 06:56:10PM +0100, Andres Freund wrote: >> On 2013-12-01 12:49:40 -0500, Noah Misch wrote: >> > This system had multiple problems, a missing pg_subtrans file and a >missing >> > TOAST chunk for pg_attribute. I don't see a pg_clog problem >connecting it to >> > the freeze bug at hand. >> >> Those all sound like possible problems caused by the bug, no? > >pg_subtrans has a lifecycle unrelated to datfrozenxid. I am not aware >of a >mechanism connecting that problem to the bug at hand.
TransactinIdIsInProgress returns true for future xids. Which triggers the use of XactLockTableWait. Which then does SubtransGetParent of a far future xid... Andres -- Please excuse brevity and formatting - I am writing this on my mobile phone. Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers