diff --git a/crypto777/OS_portable.h b/crypto777/OS_portable.h
index ccdc774d3..9d4423615 100755
--- a/crypto777/OS_portable.h
+++ b/crypto777/OS_portable.h
@@ -358,7 +358,7 @@ void escape_code(char *escaped,char *str);
 void SaM_PrepareIndices();
 
 // iguana_serdes.c
-#define IGUANA_LOG2PACKETSIZE 21
+#define IGUANA_LOG2PACKETSIZE 22
 #define IGUANA_MAXPACKETSIZE (1 << IGUANA_LOG2PACKETSIZE)
 struct iguana_msghdr { uint8_t netmagic[4]; char command[12]; uint8_t serdatalen[4],hash[4]; } PACKED;
 
diff --git a/iguana/iguana_bundles.c b/iguana/iguana_bundles.c
index b86570a78..ab0a6b779 100755
--- a/iguana/iguana_bundles.c
+++ b/iguana/iguana_bundles.c
@@ -615,7 +615,7 @@ struct iguana_block *iguana_bundleblock(struct iguana_info *coin,bits256 *hash2p
 
 int32_t iguana_bundleissuemissing(struct supernet_info *myinfo,struct iguana_info *coin,struct iguana_bundle *bp,int32_t priority,double mult)
 {
-    int32_t i,max,nonz,starti,lasti,firsti,lag,num,n=0; uint32_t now; bits256 hash2; double aveduration; struct iguana_peer *addr; struct iguana_block *block;
+    int32_t i,max,nonz,starti,lasti,firsti,lag,num,n=0; uint32_t now; bits256 hash2; double aveduration; struct iguana_peer *addr; //struct iguana_block *block;
     if ( coin->peers == 0 )
     {
         printf("%s has no peers\n",coin->symbol);
@@ -690,7 +690,7 @@ int32_t iguana_bundleissuemissing(struct supernet_info *myinfo,struct iguana_inf
         }
         if ( firsti >= 0 )//&& bp == coin->current )
         {
-            printf("[%d] first missing.%d of %d\n",bp->hdrsi,firsti,nonz);
+            //printf("[%d] first missing.%d of %d\n",bp->hdrsi,firsti,nonz);
             iguana_bundleblock(coin,&hash2,bp,firsti);
             if ( bits256_nonz(hash2) != 0 )
             {
@@ -699,7 +699,7 @@ int32_t iguana_bundleissuemissing(struct supernet_info *myinfo,struct iguana_inf
                     //if ( bp == coin->current )
                       //  printf("iguana_bundleissuemissing.[%d:%d]\n",bp->hdrsi,i);
                     n++;
-                    printf("send reqPT [%d:%d]\n",bp->hdrsi,firsti);
+                    //printf("send reqPT [%d:%d]\n",bp->hdrsi,firsti);
                     iguana_sendblockreqPT(coin,0,bp,firsti,hash2,0);
                 }
             } else printf("no hash for [%d:%d]\n",bp->hdrsi,firsti);
diff --git a/iguana/iguana_recv.c b/iguana/iguana_recv.c
index 2e1a5b742..8d998db67 100755
--- a/iguana/iguana_recv.c
+++ b/iguana/iguana_recv.c
@@ -747,7 +747,7 @@ void iguana_gotblockM(struct supernet_info *myinfo,struct iguana_info *coin,stru
         bp = 0, bundlei = -2;
         if ( iguana_bundlefind(coin,&bp,&bundlei,origtxdata->zblock.RO.prev_block) == 0 )
         {
-            //printf("gotblockM: RTblock? %s\n",bits256_str(str,origtxdata->zblock.RO.hash2));
+            printf("gotblockM: RTblock? %s\n",bits256_str(str,origtxdata->zblock.RO.hash2));
             numtx = origtxdata->zblock.RO.txn_count;
             iguana_RTgotblock(coin,origtxdata->zblock.RO.hash2,data,&recvlen,&numtx);
             req = iguana_recv_bundlereq(coin,addr,0,H,data,recvlen,0,-1,origtxdata);
@@ -774,6 +774,7 @@ void iguana_gotblockM(struct supernet_info *myinfo,struct iguana_info *coin,stru
     }
     if ( bp == 0 )
     {
+        printf("gotblockM no bp %s\n",bits256_str(str,origtxdata->zblock.RO.hash2));
         req = iguana_recv_bundlereq(coin,addr,0,H,data,recvlen,0,-1,origtxdata);
         queue_enqueue("recvQ",&coin->recvQ,&req->DL,0);
         return;
@@ -787,6 +788,7 @@ void iguana_gotblockM(struct supernet_info *myinfo,struct iguana_info *coin,stru
     {
         req = iguana_recv_bundlereq(coin,addr,0,H,data,recvlen,0,-1,origtxdata);
         queue_enqueue("recvQ",&coin->recvQ,&req->DL,0);
+        printf("negative speculative return %s\n",bits256_str(str,origtxdata->zblock.RO.hash2));
         return;
     }
     /*if ( block == 0 )
@@ -807,7 +809,7 @@ void iguana_gotblockM(struct supernet_info *myinfo,struct iguana_info *coin,stru
     }
     numtx = origtxdata->zblock.RO.txn_count;
     iguana_RTgotblock(coin,origtxdata->zblock.RO.hash2,data,&recvlen,&numtx);
-    //printf("getblockM update [%d:%d] %s\n",bp->hdrsi,bundlei,bits256_str(str,origtxdata->zblock.RO.hash2));
+    printf("getblockM update [%d:%d] %s %p\n",bp->hdrsi,bundlei,bits256_str(str,origtxdata->zblock.RO.hash2),block);
     if ( block != 0 )
     {
         if ( block->height < 0 )