Feedback-ID: ia2694551:Fastmail
Date: Tue, 23 May 2023 11:45:13 +0200
From: Alvaro Herrera <alvherre@alvh.no-ip.org>
To: Dippu Kumar <dippu.k@deeplynx.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Jeff Janes <jeff.janes@gmail.com>,
	pgsql-bugs@lists.postgresql.org
Subject: Re: Need Support to Upgrade from 13.6 to 15.3
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On 2023-May-23, Dippu Kumar wrote:

> apt policy libpq5
> libpq5:
>   Installed: 2:13.10-1.bionic
>   Candidate: 2:13.10-1.bionic
>   Version table:
>  *** 2:13.10-1.bionic 500
>         500 http://repo.percona.com/ppg-13/apt bionic/main amd64 Packages
>         100 /var/lib/dpkg/status

So you seem to have a Percona repository enabled, and the libpq5 package
comes from there.  You need to ask Percona about this, not the Postgres
community -- or maybe get rid of the Percona repo completely, as it is
clearly breaking your system.

Also, maybe upgrade from Bionic.

-- 
Álvaro Herrera               48°01'N 7°57'E  —  https://www.EnterpriseDB.com/
"The important things in the world are problems with society that we don't
understand at all. The machines will become more complicated but they won't
be more complicated than the societies that run them."    (Freeman Dyson)