diff --git a/iguana/iguana777.c b/iguana/iguana777.c
index 21893d813..1f259581a 100755
--- a/iguana/iguana777.c
+++ b/iguana/iguana777.c
@@ -363,11 +363,13 @@ int32_t iguana_utxogen(struct iguana_info *coin,int32_t helperid,int32_t convert
     incr = IGUANA_NUMHELPERS;
     if ( coin->PREFETCHLAG > 0 )
     {
-        if ( helperid != 0 )
-            return(0);
-        else incr = 1;
+        incr /= 3;
+        if ( incr < 1 )
+            incr = 1;
     }
-    max = coin->bundlescount;
+    if ( helperid >= incr )
+        return(0);
+        max = coin->bundlescount;
     if ( coin->bundles[max-1] != 0 && coin->bundles[max-1]->emitfinish <= 1 )
         max--;
     for (hdrsi=helperid; hdrsi<max; hdrsi+=incr)
@@ -380,6 +382,7 @@ int32_t iguana_utxogen(struct iguana_info *coin,int32_t helperid,int32_t convert
         {
             if ( (retval= iguana_spendvectors(coin,bp,&bp->ramchain,0,bp->n,convertflag)) >= 0 )
             {
+                printf("spendvectors retval.%d\n",retval);
                 if ( retval > 0 )
                 {
                     printf("GENERATED UTXO.%d for ht.%d duration %d seconds\n",bp->hdrsi,bp->bundleheight,(uint32_t)time(NULL) - bp->startutxo);
diff --git a/iguana/iguana_bundles.c b/iguana/iguana_bundles.c
index 9da4b4236..82f6968c4 100755
--- a/iguana/iguana_bundles.c
+++ b/iguana/iguana_bundles.c
@@ -207,7 +207,7 @@ int32_t iguana_bundlehash2add(struct iguana_info *coin,struct iguana_block **blo
     {
         if ( bp->blocks[bundlei] != 0 && bp->blocks[bundlei] != block )
         {
-            printf("bp.[%d]->blocks[%d] mismatch %p != %p\n",bp->hdrsi,bundlei,bp->blocks[bundlei],block);
+            //printf("bp.[%d]->blocks[%d] mismatch %p != %p\n",bp->hdrsi,bundlei,bp->blocks[bundlei],block);
             iguana_blockunmark(coin,block,bp,bundlei,1);
             bp->blocks[bundlei] = 0;
             return(-1);
diff --git a/iguana/iguana_ramchain.c b/iguana/iguana_ramchain.c
index 2139c8120..a364ed5c8 100755
--- a/iguana/iguana_ramchain.c
+++ b/iguana/iguana_ramchain.c
@@ -1798,7 +1798,7 @@ long iguana_ramchain_data(struct iguana_info *coin,struct iguana_peer *addr,stru
     if ( (block= bp->blocks[bundlei]) == 0 || bits256_cmp(block->RO.hash2,origtxdata->block.RO.hash2) != 0 || bits256_cmp(bp->hashes[bundlei],origtxdata->block.RO.hash2) != 0 )
     {
         char str[65];
-        if ( block != 0 )
+        if ( 0 && block != 0 )
             printf("%d:%d has no block ptr.%p %s or wrong hash\n",bp->hdrsi,bundlei,block,bits256_str(str,origtxdata->block.RO.hash2));
         return(-1);
     }
diff --git a/iguana/iguana_unspents.c b/iguana/iguana_unspents.c
index a58268f0c..f21a206d6 100755
--- a/iguana/iguana_unspents.c
+++ b/iguana/iguana_unspents.c
@@ -1064,7 +1064,7 @@ int32_t iguana_spendvectors(struct iguana_info *coin,struct iguana_bundle *bp,st
             {
                 if ( bp->tmpspends != ramchain->Xspendinds && emit > 0 )
                 {
-                    printf("spendvectors: RT [%d] numtmpspends.%d vs emit.%d\n",bp->hdrsi,bp->numtmpspends,emit);
+                    printf("spendvectors: RT [%d] numtmpspends.%d vs starti.%d emit.%d\n",bp->hdrsi,bp->numtmpspends,starti,emit);
                     bp->tmpspends = myrealloc('x',bp->tmpspends,sizeof(*ptr)*bp->numtmpspends,sizeof(*ptr)*(bp->numtmpspends+emit));
                     memcpy(&bp->tmpspends[bp->numtmpspends],ptr,sizeof(*ptr)*emit);
                     bp->numtmpspends += emit;
@@ -1085,7 +1085,10 @@ int32_t iguana_spendvectors(struct iguana_info *coin,struct iguana_bundle *bp,st
         myfree(ptr,sizeof(*ptr) * n);
     printf("UTXO [%4d].%-6d dur.%-2d [milli %8.3f] vectors %-6d err.%d [%5.2f%%] %7d %9s of %d\n",bp->hdrsi,bp->numtmpspends,(uint32_t)time(NULL)-starttime,OS_milliseconds()-startmillis,spendind,errs,100.*(double)emitted/(total+1),emit,mbstr(str,sizeof(*ptr) * emit),n);
     if ( errs != 0 )
+    {
+        printf("EXITING, restart iguana\n");
         exit(-1);
+    }
     return(-errs);
 }
 
@@ -1689,7 +1692,7 @@ void *iguana_ramchainfile(struct iguana_info *coin,struct iguana_ramchain *dest,
             iguana_blockunmark(coin,block,bp,bundlei,1);
         } else printf("ramchainfile ptr.%p block.%p mapchaininit error\n",ptr,block);
         iguana_ramchain_free(coin,R,1);
-    } else printf("ramchainfile ptr.%p block.%p\n",ptr,block);
+    } //else printf("ramchainfile ptr.%p block.%p\n",ptr,block);
     return(0);
 }
 
@@ -1773,7 +1776,6 @@ void iguana_RTspendvectors(struct iguana_info *coin,struct iguana_bundle *bp)
     int32_t lasti,hdrsi,orignumemit; struct iguana_ramchain R; struct iguana_ramchaindata RDATA;
     bp->ramchain = coin->RTramchain;
     iguana_rdataset(&R,&RDATA,&coin->RTramchain);
-    //iguana_ramchain_prefetch(coin,&coin->RTramchain,0);
     if ( (lasti= (coin->RTheight - ((coin->RTheight/bp->n)*bp->n))) >= bp->n-1 )
         lasti = bp->n - 1;
     orignumemit = bp->numtmpspends;
@@ -1865,7 +1867,7 @@ int32_t iguana_realtime_update(struct iguana_info *coin)
                         if ( bits256_nonz(hash2) != 0 && (block == 0 || block->txvalid == 0) )
                         {
                             uint8_t serialized[512]; int32_t len; struct iguana_peer *addr;
-                            char str[65]; printf("RT error [%d:%d] %s %p\n",bp->hdrsi,i,bits256_str(str,hash2),block);
+                            //char str[65]; printf("RT error [%d:%d] %s %p\n",bp->hdrsi,i,bits256_str(str,hash2),block);
                             addr = coin->peers.ranked[rand() % 8];
                             if ( addr != 0 && addr->usock >= 0 && addr->dead == 0 && (len= iguana_getdata(coin,serialized,MSG_BLOCK,&hash2,1)) > 0 )
                                 iguana_send(coin,addr,serialized,len);