> On Nov 13, 2020, at 12:00 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
> Are you by any chance trying to preload any of the postgis-related
> extensions? If so, try not doing that.
Not sure what you mean by this - I’ve installed the postgis packages for 9.5 and 13 and the extensions are installed and working in 9.5, but I’m not doing anything but initdb and then pg_upgrade for 13.