Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Mon, May 11, 2020 at 4:24 PM Antonin Houska <ah(at)cybertec(dot)at> wrote:
>> Could "sysctl kernel.core_pattern" be the problem? I discovered this setting
>> sometime when I also couldn't find the core dump on linux.
> Well, I'm running on macOS and the core files normally show up in
> /cores, but in this case they didn't.
I have a standing note to check the permissions on /cores after any macOS
upgrade, because every so often Apple decides that that directory ought to
be read-only.
regards, tom lane