1. 2011-12-28 Re: [BUGS] simultaneous autovacuum and postmaster cra pgsql-bug lsq 2. 2011-12-28 Re: [BUGS] simultaneous autovacuum and postmaster cra pgsql-bug Tom Lane 3. 2011-12-28 [BUGS] simultaneous autovacuum and postmaster crash pgsql-bug lsq