change log level

core/state_transition.go

@@ -359,7 +359,7 @@ func (st *StateTransition) TransitionDb() (*ExecutionResult, error) {
 	}
 
 	if vmerr != nil {
-		log.Error("VM returned with error", "blockNumber", st.evm.Context.BlockNumber, "txHash", st.evm.StateDB.TxHash().TerminalString(), "err", vmerr)
+		log.Info("VM returned with error", "blockNumber", st.evm.Context.BlockNumber, "txHash", st.evm.StateDB.TxHash().TerminalString(), "err", vmerr)
 		// A possible consensus-error would be if there wasn't
 		// sufficient balance to make the transfer happen. The first
 		// balance transfer may never fail.

eth/downloader/downloader.go

@@ -1715,7 +1715,7 @@ func (d *Downloader) commitFastSyncData(results []*fetchResult, stateSync *state
 func (d *Downloader) commitPivotBlock(result *fetchResult) error {
 	block := types.NewBlockWithHeader(result.Header).WithBody(result.Transactions, result.ExtraData)
 	//TODO: 临时改为Error级，方便升级时判断fast同步信息
-	log.Debug("Committing fast sync pivot as new head", "number", block.Number(), "hash", block.Hash())
+	log.Error("Committing fast sync pivot as new head", "number", block.Number(), "hash", block.Hash())
 
 	// Commit the pivot block as the new head, will require full sync from here on
 	if _, err := d.blockchain.InsertReceiptChain([]*types.Block{block}, []types.Receipts{result.Receipts}, d.ancientLimit); err != nil {

eth/protocols/eth/handler.go

@@ -166,7 +166,7 @@ func nodeInfo(chain *core.BlockChain, network uint64) *NodeInfo {
 func Handle(backend Backend, peer *Peer) error {
 	for {
 		if err := handleMessage(backend, peer); err != nil {
-			peer.Log().Error("Message handling failed in `eth`", "err", err)
+			peer.Log().Debug("Message handling failed in `eth`", "err", err)
 			return err
 		}
 	}