Robert Haas <robertmhaas@gmail.com> writes:
> On Tue, Mar 28, 2017 at 2:36 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Hm ... I don't see a crash here, but I wonder whether you have parameters
>> set that would cause this query to be run as a parallel query? Because
>> pg_rotate_logfile() is marked as parallel-safe in pg_proc, which seems
>> probably insane.
> /me blinks
> Uh, what's insane about that? All it does is test a GUC (which is
> surely parallel-safe) and call SendPostmasterSignal (which seems safe,
> too).
Well, if you don't like that theory, what's yours?
regards, tom lane