diff --git a/eth/downloader/beaconsync.go b/eth/downloader/beaconsync.go
index 405643e576..1a3f109e0d 100644
--- a/eth/downloader/beaconsync.go
+++ b/eth/downloader/beaconsync.go
@@ -114,7 +114,9 @@ func (b *beaconBackfiller) resume() {
 		if b.success != nil {
 			b.success()
 		}
+		log.Debug("Backfilling completed")
 	}()
+	log.Debug("Backfilling started")
 }
 
 // SetBadBlockCallback sets the callback to run when a bad block is hit by the
diff --git a/eth/downloader/downloader.go b/eth/downloader/downloader.go
index 65c10099cf..e16014be95 100644
--- a/eth/downloader/downloader.go
+++ b/eth/downloader/downloader.go
@@ -367,7 +367,7 @@ func (d *Downloader) synchronise(beaconPing chan struct{}) (err error) {
 	}
 
 	// Obtain the synchronized used in this cycle
-	mode := d.moder.get()
+	mode := d.moder.get(true)
 	defer func() {
 		if err == nil && mode == ethconfig.SnapSync {
 			d.moder.disableSnap()
@@ -424,7 +424,7 @@ func (d *Downloader) getMode() SyncMode {
 // ConfigSyncMode returns the sync mode configured for the node.
 // The actual running sync mode can differ from this.
 func (d *Downloader) ConfigSyncMode() SyncMode {
-	return d.moder.get()
+	return d.moder.get(false)
 }
 
 // syncToHead starts a block synchronization based on the hash chain from
diff --git a/eth/downloader/skeleton.go b/eth/downloader/skeleton.go
index 69e2b8522b..e504a73e0a 100644
--- a/eth/downloader/skeleton.go
+++ b/eth/downloader/skeleton.go
@@ -510,6 +510,7 @@ func (s *skeleton) sync(head *types.Header) (*types.Header, error) {
 					// The skeleton chain is no longer linked to the local chain for some reason
 					// (e.g. debug_setHead was used to trim the local chain). Re-schedule the
 					// skeleton sync to fill the chain gap.
+					log.Warn("Local chain has been trimmed", "tailnumber", s.scratchHead, "tailhash", s.progress.Subchains[0].Next)
 					return nil, errSyncTrimmed
 				}
 			}
diff --git a/eth/downloader/syncmode.go b/eth/downloader/syncmode.go
index 7983d39e3a..036119ce3d 100644
--- a/eth/downloader/syncmode.go
+++ b/eth/downloader/syncmode.go
@@ -75,7 +75,7 @@ func newSyncModer(mode ethconfig.SyncMode, chain BlockChain, disk ethdb.KeyValue
 
 // get retrieves the current sync mode, either explicitly set, or derived
 // from the chain status.
-func (m *syncModer) get() ethconfig.SyncMode {
+func (m *syncModer) get(report bool) ethconfig.SyncMode {
 	m.lock.Lock()
 	defer m.lock.Unlock()
 
@@ -83,12 +83,16 @@ func (m *syncModer) get() ethconfig.SyncMode {
 	if m.mode == ethconfig.SnapSync {
 		return ethconfig.SnapSync
 	}
+	logger := log.Debug
+	if report {
+		logger = log.Info
+	}
 	// We are probably in full sync, but we might have rewound to before the
 	// snap sync pivot, check if we should re-enable snap sync.
 	head := m.chain.CurrentBlock()
 	if pivot := rawdb.ReadLastPivotNumber(m.disk); pivot != nil {
 		if head.Number.Uint64() < *pivot {
-			log.Info("Reenabled snap-sync as chain is lagging behind the pivot", "head", head.Number, "pivot", pivot)
+			logger("Reenabled snap-sync as chain is lagging behind the pivot", "head", head.Number, "pivot", pivot)
 			return ethconfig.SnapSync
 		}
 	}
@@ -96,7 +100,7 @@ func (m *syncModer) get() ethconfig.SyncMode {
 	// the head state, forcefully rerun the snap sync. Note it doesn't mean the
 	// persistent state is corrupted, just mismatch with the head block.
 	if !m.chain.HasState(head.Root) {
-		log.Info("Reenabled snap-sync as chain is stateless")
+		logger("Reenabled snap-sync as chain is stateless")
 		return ethconfig.SnapSync
 	}
 	// Nope, we're really full syncing