sync fails at first v2 block only when sync from genesis block

[gzliudan]

When I sync testnet from genesis block, it stop at block 56828701. The problem is gone after restart node. Below is the error message:

log message:

########## BAD BLOCK #########
Number: 56828701
Hash: 0xff2d5b32b522e0adf4f58bac3f42cb4c5699979f9bd6486c4a1b955bf3d3ae4d
Round: 0
Error: extra-data 65 byte suffix signature missing
Chain configuration:
  - ChainID:                     51      
  - Homestead:                   1       
  - DAO Fork:                    <nil>
  - DAO Support:                 false   
  - Tangerine Whistle (EIP 150): 2       
  - Spurious Dragon (EIP 155):   3       
  - Byzantium:                   4       
  - Constantinople:              <nil>
  - Petersburg:                  <nil>
  - Istanbul:                    <nil>
  - TIP2019Block:                1       
  - TIPSigning:                  3000000 
  - TIPRandomize:                3464000 
  - TIPIncreaseMasternodes:      5000000 
  - DenylistHFNumber:            23779191
  - TIPNoHalvingMNReward:        23779191
  - TIPXDCX:                     23779191
  - TIPXDCXLending:              23779191
  - TIPXDCXCancellationFee:      23779191
  - TIPTRC21Fee:                 23779191
  - Berlin:                      61290000
  - London:                      61290000
  - Merge:                       61290000
  - Shanghai:                    61290000
  - BlockNumberGas50x:           56828700
  - TIPXDCXMinerDisable:         61290000
  - TIPXDCXReceiverDisable:      66825000
  - Eip1559:                     71550000
  - Cancun:                      71551800
  - Prague:                      9223372036854775807
  - Osaka:                       9223372036854775807
  - DynamicGasLimitBlock:        9223372036854775807
  - TIPUpgradeReward:            9223372036854775807
  - TipUpgradePenalty:           9223372036854775807
  - TIPEpochHalving:             9223372036854775807
  - Engine:                      XDPoS
    - Period: 2
    - Epoch: 900
    - Reward: 5000
    - RewardCheckpoint: 900
    - Gap: 450
    - FoundationWalletAddr: xdc746249C61f5832C5eEd53172776b460491bDcd5C
    - SkipV1Validation: false
    - V2:
      - SwitchEpoch: 63143
      - SwitchBlock: 56828700
      - CurrentConfig:
        - MaxMasternodes: 15
        - SwitchRound: 0
        - MinePeriod: 2
        - TimeoutSyncThreshold: 3
        - TimeoutPeriod: 60
        - CertThreshold: 0.45
        - MasternodeReward: 0
        - ProtectorReward: 0
        - ObserverReward: 0
        - MinimumMinerBlockPerEpoch: 0
        - LimitPenaltyEpoch: 0
        - MinimumSigningTx: 0
        - ExpTimeoutBase: 1
        - ExpTimeoutMaxExponent: 0
Receipts: 
##############################

WARN [03-06|03:09:44.148] Synchronisation failed, dropping peer    peer=4464397694e0c8b1 err="retrieved hash chain is invalid: extra-data 65 byte suffix signature missing"
INFO [03-06|03:09:47.687] Skip duplicated bad block                number=56,828,701 hash=ff2d5b..d3ae4d

[gzliudan]

closed by #2180