Incompatibility between pg_squeeze and pglogical

From: VERDIER Armand <armand(dot)verdier(at)meteo(dot)fr>
To: pgsql-general(at)lists(dot)postgresql(dot)org
Subject: Incompatibility between pg_squeeze and pglogical
Date: 2026-08-04 09:27:43
Message-ID: 1208627127.78723283.1785835663578.JavaMail.zimbra@meteo.fr
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Hello,

Is there an incompatibility between the pg_squeeze and pglogical extensions?
Both use logical decoding.
When both are defined in the shared_preload_libraries parameter, the server fails to start.
I increased max_replication_slots for pg_squeeze.

Error: " kernel: postgres[122694]: segfault at 7fffdab4dff8 ip 00007ff07f6ea843 sp 00007fffdab4e000 error 6 in pglogical.so[7ff07f6cb000+3a000] "
Do you have any information on this, and is there a workaround?

Details:
I am using Postgresql 15.18 and the last release of CentOS 7.
RPM:
- pglogical_15-2.4.3-1.rhel7.x86_64
- pg_squeeze_15-1.6.2-1PGDG.rhel7.x86_64

Best regards,

Armand Verdier

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