Expected Behaviour:
No error... not sure what the error means. Pihole boots as it should but has massive amount of this error at boot. I have tried to remediate with backing up pihole-FTL.db and following the instructions in FTL broken - Trying to access query ID 0, but magic byte is 0; found in findQueryID() - #16 by DL6ER but it still persists.
- Operating System: Fedora 44
- Hardware: i7/32GB
- Docker compose file
-
pihole: image: pihole/pihole:latest container_name: pihole hostname: pihole networks: dnet: ipv4_address: '172.22.0.153' dvpn: ipv4_address: '172.200.0.153' dns: 127.0.0.1 ports: - "53:53/tcp" - "53:53/udp" cap_add: - CAP_SYS_NICE environment: TZ: 'America/New_York' FTLCONF_dns_dnssec: 'True' PIHOLE_UID: 1000 PIHOLE_GID: 1000 DNSMASQ_USER: pihole FTLCONF_dns_upstreams: 'unbound#5335' FTLCONF_dns_listeningMode: all FTLCONF_webserver_api_temp_unit: 'F' #FTLCONF_webserver_tls_rev_proxy: true FTLCONF_dns_reply_host_IPv4: 192.168.9.52 FTLCONF_webserver_domain: 'pihole.domain.dev' FTLCONF_debug_performance: true TAIL_FTL_LOG: 1 SKIPGRAVITYONBOOT: 1 #IPv6: false shm_size: '1g' volumes: - '$DOCKER_DIR/pihole/pihole:/etc/pihole' - '$DOCKER_DIR/pihole/dnsmasqd:/etc/dnsmasq.d' - '$DOCKER_DIR/pihole/log:/var/log/pihole' restart: unless-stopped depends_on: - unbound - Docker engine version: Docker version 29.8.2, build 7fc2dff
- Core version is v6.4.3 (Latest: v6.4.3)
- Web version is v6.6 (Latest: v6.6)
- FTL version is v6.7.1 (Latest: v6.7.1)
Actual Behaviour:
2026-10-03 11:22:53.695 EDT [53M] INFO: FTL is running as user pihole (UID 1000)
2026-10-03 11:22:53.696 EDT [53/T87] INFO: Reading certificate from /etc/pihole/tls.pem ...
2026-10-03 11:22:53.696 EDT [53M] INFO: Blocking status is enabled
2026-10-03 11:22:53.696 EDT [53/T87] INFO: Using SSL/TLS certificate file /etc/pihole/tls.pem
2026-10-03 11:22:53.697 EDT [53/T87] INFO: Web server ports:
2026-10-03 11:22:53.697 EDT [53/T87] INFO: - 0.0.0.0:80 (HTTP, IPv4, OK)
2026-10-03 11:22:53.697 EDT [53M] ERROR: Trying to access query ID 1313, but magic byte is 0
2026-10-03 11:22:53.697 EDT [53/T87] INFO: - 0.0.0.0:443 (HTTPS, IPv4, OK)
2026-10-03 11:22:53.697 EDT [53M] ERROR: found in findQueryID() (src/datastructure.c:179)
2026-10-03 11:22:53.697 EDT [53/T87] DEBUG_ANY: Generated 32 bytes of secure randomness
2026-10-03 11:22:53.697 EDT [53M] ERROR: Trying to access query ID 1312, but magic byte is 0
2026-10-03 11:22:53.697 EDT [53M] ERROR: found in findQueryID() (src/datastructure.c:179)
2026-10-03 11:22:53.697 EDT [53M] ERROR: Trying to access query ID 1311, but magic byte is 0
2026-10-03 11:22:53.697 EDT [53M] ERROR: found in findQueryID() (src/datastructure.c:179)
2026-10-03 11:22:53.697 EDT [53M] ERROR: Trying to access query ID 1310, but magic byte is 0
2026-10-03 11:22:53.697 EDT [53M] ERROR: found in findQueryID() (src/datastructure.c:179)
2026-10-03 11:22:53.697 EDT [53M] ERROR: Trying to access query ID 1309, but magic byte is 0
2026-10-03 11:22:53.697 EDT [53M] ERROR: found in findQueryID() (src/datastructure.c:179)
2026-10-03 11:22:53.697 EDT [53M] ERROR: Trying to access query ID 1308, but magic byte is 0
2026-10-03 11:22:53.697 EDT [53M] ERROR: found in findQueryID() (src/datastructure.c:179)
2026-10-03 11:22:53.697 EDT [53M] ERROR: Trying to access query ID 1307, but magic byte is 0
2026-10-03 11:22:53.697 EDT [53M] ERROR: found in findQueryID() (src/datastructure.c:179)
2026-10-03 11:22:53.697 EDT [53M] ERROR: Trying to access query ID 1306, but magic byte is 0
2026-10-03 11:22:53.697 EDT [53M] ERROR: found in findQueryID() (src/datastructure.c:179)
Debug Token:
pihole:/var/log/pihole# tail -n1000 FTL.log | pihole tricorder
Upload successful, your token is: https://tricorder.pi-hole.net/O9gEaYkG/
NOTE: In this output I initially had FTLCONF_debug_performance: true but removed it and used DEBUG_ALL: true. Once I remove the performance debug I do not see the error. Is this normal?