Re: BUG #17928: Standby fails to decode WAL on termination of primary - Mailing list pgsql-bugs

On Tue, Sep 19, 2023 at 9:53 PM Michael Paquier <michael@paquier.xyz> wrote:
> On Tue, Sep 19, 2023 at 09:25:34PM +1200, Thomas Munro wrote:
> > The problem was that the Perl functions advance_XXX() would sometimes
> > see an "unflushed" insert position caused by hint records and other
> > incidental stuff, and then we'd write our contrived header at a
> > disconnected location after a bunch of (unwritten) zeroes.  The
> > solution in this version is to start each test with
> > emit_message($node, 0), which flushes a small record.
>
> Makes sense.  Does this also address the other issue you've noticed on
> v12 when ICU is enabled (the one with the initial LSN changed after
> initdb)?

Yep.