error: Block error slot=2059069, errCode=BLOCK_ERROR_PARENT_UNKNOWN

[q9f]

Describe the bug

A fully synced mainnet note keeps complaining about unknown parents. It does, however, import the blocks anyways.

Expected behavior

Know all parents or handle this message properly.

Steps to Reproduce

lodestar beacon

Screenshots

Sep-13 13:37:17.000 []                 info: Synced - block: 2059084   … (empty) - head: 2059083 0x047c…30ed - finalized: 2059008 0x28bf…1a74 (64344) - peers: 23
Sep-13 13:37:24.009 [CHAIN]           error: Block error slot=2059085, errCode=BLOCK_ERROR_PARENT_UNKNOWN
Sep-13 13:37:29.014 []                 info: Synced - block: 2059085 0x308c…8fa2 - head: 2059085 0x308c…8fa2 - finalized: 2059008 0x28bf…1a74 (64344) - peers: 23
Sep-13 13:37:41.000 []                 info: Synced - block: 2059086 0xce5a…06d7 - head: 2059086 0xce5a…06d7 - finalized: 2059008 0x28bf…1a74 (64344) - peers: 23
Sep-13 13:37:53.001 []                 info: Synced - block: 2059087   … (empty) - head: 2059086 0xce5a…06d7 - finalized: 2059008 0x28bf…1a74 (64344) - peers: 23
Sep-13 13:38:05.000 []                 info: Synced - block: 2059088 0xa782…087c - head: 2059088 0xa782…087c - finalized: 2059008 0x28bf…1a74 (64344) - peers: 23
Sep-13 13:38:17.000 []                 info: Synced - block: 2059089   … (empty) - head: 2059088 0xa782…087c - finalized: 2059008 0x28bf…1a74 (64344) - peers: 23
Sep-13 13:38:25.630 [CHAIN]           error: Block error slot=2059090, errCode=BLOCK_ERROR_PARENT_UNKNOWN
Sep-13 13:38:29.001 []                 info: Synced - block: 2059090 0xb58d…6bcf - head: 2059090 0xb58d…6bcf - finalized: 2059008 0x28bf…1a74 (64344) - peers: 23
Sep-13 13:38:41.000 []                 info: Synced - block: 2059091 0x7120…eb8b - head: 2059091 0x7120…eb8b - finalized: 2059008 0x28bf…1a74 (64344) - peers: 23
Sep-13 13:38:53.001 []                 info: Synced - block: 2059092   … (empty) - head: 2059091 0x7120…eb8b - finalized: 2059008 0x28bf…1a74 (64344) - peers: 23
Sep-13 13:38:59.640 [CHAIN]           error: Block error slot=2059093, errCode=BLOCK_ERROR_PARENT_UNKNOWN
Sep-13 13:39:05.001 []                 info: Synced - block: 2059093 0xee96…23d5 - head: 2059093 0xee96…23d5 - finalized: 2059008 0x28bf…1a74 (64344) - peers: 23
Sep-13 13:39:17.001 []                 info: Synced - block: 2059094 0xf878…438e - head: 2059094 0xf878…438e - finalized: 2059008 0x28bf…1a74 (64344) - peers: 23
Sep-13 13:39:29.000 []                 info: Synced - block: 2059095 0x738b…a0db - head: 2059095 0x738b…a0db - finalized: 2059008 0x28bf…1a74 (64344) - peers: 23
Sep-13 13:39:41.015 []                 info: Synced - block: 2059096   … (empty) - head: 2059095 0x738b…a0db - finalized: 2059008 0x28bf…1a74 (64344) - peers: 23
Sep-13 13:39:48.123 [CHAIN]           error: Block error slot=2059097, errCode=BLOCK_ERROR_PARENT_UNKNOWN
Sep-13 13:39:53.001 []                 info: Synced - block: 2059097 0x43ca…057c - head: 2059097 0x43ca…057c - finalized: 2059008 0x28bf…1a74 (64344) - peers: 23
Sep-13 13:40:05.016 []                 info: Synced - block: 2059098 0x96ef…cfe1 - head: 2059098 0x96ef…cfe1 - finalized: 2059008 0x28bf…1a74 (64344) - peers: 23
Sep-13 13:40:17.001 []                 info: Synced - block: 2059099 0x68e5…f595 - head: 2059099 0x68e5…f595 - finalized: 2059008 0x28bf…1a74 (64344) - peers: 23
Sep-13 13:40:29.000 []                 info: Synced - block: 2059100 0x13b4…43f2 - head: 2059100 0x13b4…43f2 - finalized: 2059008 0x28bf…1a74 (64344) - peers: 23
Sep-13 13:40:41.003 []                 info: Synced - block: 2059101 0x7c69…405f - head: 2059101 0x7c69…405f - finalized: 2059008 0x28bf…1a74 (64344) - peers: 23
Sep-13 13:40:53.007 []                 info: Synced - block: 2059102   … (empty) - head: 2059101 0x7c69…405f - finalized: 2059008 0x28bf…1a74 (64344) - peers: 23
Sep-13 13:41:00.383 [CHAIN]           error: Block error slot=2059103, errCode=BLOCK_ERROR_PARENT_UNKNOWN
Sep-13 13:41:05.001 []                 info: Synced - block: 2059103 0x7d92…071a - head: 2059103 0x7d92…071a - finalized: 2059008 0x28bf…1a74 (64344) - peers: 23
Sep-13 13:41:17.001 []                 info: Synced - block: 2059104 0x45f9…e7aa - head: 2059104 0x45f9…e7aa - finalized: 2059040 0x63fc…a881 (64345) - peers: 23
Sep-13 13:41:29.001 []                 info: Synced - block: 2059105   … (empty) - head: 2059104 0x45f9…e7aa - finalized: 2059040 0x63fc…a881 (64345) - peers: 23
Sep-13 13:41:36.290 [CHAIN]           error: Block error slot=2059106, errCode=BLOCK_ERROR_PARENT_UNKNOWN
Sep-13 13:41:41.000 []                 info: Synced - block: 2059106 0x9e3f…a18b - head: 2059106 0x9e3f…a18b - finalized: 2059040 0x63fc…a881 (64345) - peers: 23
Sep-13 13:41:53.001 []                 info: Synced - block: 2059107 0xeb2b…affe - head: 2059107 0xeb2b…affe - finalized: 2059040 0x63fc…a881 (64345) - peers: 23
Sep-13 13:42:05.000 []                 info: Synced - block: 2059108 0x0000…2390 - head: 2059108 0x0000…2390 - finalized: 2059040 0x63fc…a881 (64345) - peers: 23

Desktop (please complete the following information):

• OS: Archlinux
• Version: v0.29.3/master/+28/ec7e4192 (git)
• Branch: master
• Commit hash: ec7e419

[q9f]

Notably, the empty messages before that may be false positives. Something might happen internally that the previous block is not available. ref #3061

[dapplion]

Caused by #3110

[q9f]

Duplicate of #3110