This doesn't pass on 32-bit platforms as noted upstream at: https://github.com/eclipse/mosquitto/issues/2550 We disable these tests for now. --- mosquitto-2.0.14/test/unit/Makefile.old 2021-11-16 18:28:35.000000000 -0600 +++ mosquitto-2.0.14/test/unit/Makefile 2022-11-22 00:37:32.237485238 -0600 @@ -174,7 +174,5 @@ test-broker : build ./bridge_topic_test - ./persist_read_test - ./persist_write_test ./subs_test