Re: Segmentation fault

abbas alizadeh <ramkly(at)yahoo(dot)com> writes:
> I got “terminated by signal 11, segmentation falt” error in my database.
> I’m using pg v13.7
> Query causing that error: “set client_encoding= utf-8”

Hmm, that is pretty well-tested code.

> There is no core file in data folder.

Maybe you are starting the server under "ulimit -c 0"? See also
the advice at

https://wiki.postgresql.org/wiki/Generating_a_stack_trace_of_a_PostgreSQL_backend

> Any idea how can I find the root case for this error?

With only this amount of information, there's not much to be done.
If you could get a stack trace maybe we'd have some ideas.

regards, tom lane