Re: BUG #16226: background worker "logical replication worker" (PID<pid>) was terminated by signal 11: Segmentation

On 2020-01-22 08:43, PG Bug reporting form wrote:
> We have 2 PostgreSQL servers with logical replication between Postgres 11.6
> (Primary) and 12.1 (Logical). Some times ago, we changed column type in a 2
> big tables from integer to text:

> , this of course led to a full rewrite both tables. We repated this
> operation on both servers. And after that we started to get error like
> "background worker "logical replication worker" (PID ) was terminated
> by signal 11: Segmentation fault" and server goes to recovery mode. This
> error repated several times every 10-15 minutes. When we connected to
> logical replication worker process using gdb, we recieved the following
> message:
> 
> Program received signal SIGSEGV, Segmentation fault.

Could you narrow it down to a reproducible test case?

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
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