(to be reverted) add debug.PrintStack.

lib/blockstore/badger/blockstore.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"io"
+	"runtime/debug"
 	"sync/atomic"
 
 	"github.com/dgraph-io/badger/v2"
@@ -187,6 +188,9 @@ func (b *Blockstore) Get(cid cid.Cid) (blocks.Block, error) {
 		return nil, ErrBlockstoreClosed
 	}
 
+	fmt.Println("***** badger/blockstore.Get called:")
+	debug.PrintStack()
+
 	k, pooled := b.PooledStorageKey(cid)
 	if pooled {
 		defer KeyPool.Put(k)