[Bug 294039] databases/postgresql14-server: jemalloc crashes triggered by autovacuum

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=294039

--- Comment #5 from Peter Much <pmc@citylink.dinoex.sub.org> ---
What I did today: I patched that so-called "errata" OUT of my 14.4 and
rebuilt/rebooted the kernel only. 
Then I pushed some data onto the server to fill the memory, as in my impression
this might have something to do with swapspace occupancy.
Then I changed my apps back to hammer the DB with unsuccessful logins. A week
ago this behaviour brought me a crash about once a day.

We will see. 

Also last night, while still not knowing about this PR here, I walked the way
all thru that jemalloc to see where the bogus does actually originate. This may
be interesting or it may not, anyway I posted all the data to the forum link
given above. For now it seems that my russian anti-imperialist friends have
taken over that forum, so we might get this data back, or we might not.

Then I tried to read that so-called "errata", which I do not understand, bur
which does very certainly not read like an errata (where a
clearly-identified-as-wrong functionality is replaced by a
clearly-identified-as-correct functionality), but rather like a programming
experiment. :(

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