Hi, While testing “[a1643d40b] Remove RADIUS support”, I found that initdb still accepts --auth=radius.
See this repro: 1. Run initdb ``` % initdb --auth=radius . ``` 2. Check pg_hba.conf, radius is configured there: ``` # "local" is for Unix domain socket connections only local all all radius # IPv4 local connections: host all all 127.0.0.1/32 radius # IPv6 local connections: host all all ::1/128 radius ``` 3. Starting the server fails ``` % pg_ctl -D . start waiting for server to start....2026-07-01 05:49:51.560 CST [50521] LOG: starting PostgreSQL 20devel on aarch64-apple-darwin25.5.0, compiled by Apple clang version 21.0.0 (clang-2100.1.1.101), 64-bit 2026-07-01 05:49:51.562 CST [50521] LOG: listening on IPv6 address "::1", port 5432 2026-07-01 05:49:51.562 CST [50521] LOG: listening on IPv4 address "127.0.0.1", port 5432 2026-07-01 05:49:51.562 CST [50521] LOG: listening on Unix socket "/tmp/.s.PGSQL.5432" 2026-07-01 05:49:51.563 CST [50521] LOG: invalid authentication method "radius" 2026-07-01 05:49:51.563 CST [50521] CONTEXT: line 113 of configuration file "/Users/chaol/Downloads/pg_data/cndb/pg_hba.conf" 2026-07-01 05:49:51.563 CST [50521] LOG: invalid authentication method "radius" 2026-07-01 05:49:51.563 CST [50521] CONTEXT: line 115 of configuration file "/Users/chaol/Downloads/pg_data/cndb/pg_hba.conf" 2026-07-01 05:49:51.563 CST [50521] LOG: invalid authentication method "radius" 2026-07-01 05:49:51.563 CST [50521] CONTEXT: line 117 of configuration file "/Users/chaol/Downloads/pg_data/cndb/pg_hba.conf" 2026-07-01 05:49:51.563 CST [50521] LOG: invalid authentication method "radius" 2026-07-01 05:49:51.563 CST [50521] CONTEXT: line 120 of configuration file "/Users/chaol/Downloads/pg_data/cndb/pg_hba.conf" 2026-07-01 05:49:51.563 CST [50521] LOG: invalid authentication method "radius" 2026-07-01 05:49:51.563 CST [50521] CONTEXT: line 121 of configuration file "/Users/chaol/Downloads/pg_data/cndb/pg_hba.conf" 2026-07-01 05:49:51.563 CST [50521] LOG: invalid authentication method "radius" 2026-07-01 05:49:51.563 CST [50521] CONTEXT: line 122 of configuration file "/Users/chaol/Downloads/pg_data/cndb/pg_hba.conf" 2026-07-01 05:49:51.563 CST [50521] FATAL: could not load /Users/chaol/Downloads/pg_data/cndb/pg_hba.conf 2026-07-01 05:49:51.563 CST [50521] LOG: database system is shut down stopped waiting pg_ctl: could not start server Examine the log output. ``` The attached small patch removes radius from initdb's supported auth lists. Best regards, -- Chao Li (Evan) HighGo Software Co., Ltd. https://www.highgo.com/
v1-0001-Remove-radius-from-initdb-authentication-methods.patch
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