On Fri, Feb 28, 2020 at 06:43:40PM +0100, Przemysław Szustak wrote: >I don't know why but now when I created this howto recreate crash I used >new cluster (on these same server) and now system crash file is not created. >So now I have only info that postgres process has Segmentation fault. >
You probably need to tweak kernel.core_pattern - some systems have custom scripts to process core files etc.