Index: src/pcache.c
==================================================================
--- src/pcache.c
+++ src/pcache.c
@@ -9,11 +9,11 @@
 **    May you share freely, never taking more than you give.
 **
 *************************************************************************
 ** This file implements that page cache.
 **
-** @(#) $Id: pcache.c,v 1.2 2008/08/20 21:47:46 drh Exp $
+** @(#) $Id: pcache.c,v 1.3 2008/08/21 04:41:02 danielk1977 Exp $
 */
 #include "sqliteInt.h"
 
 /*
 ** A complete page cache is an instance of this structure.
@@ -1028,11 +1028,10 @@
 **
 ** This is used by the pager module to implement the xStress callback.
 */
 PgHdr *sqlite3PcacheDirtyPage(PCache *pCache){
   PgHdr *p = 0;
-  assert( pCache->iInUseMM );
 #if 1
   PgHdr *pIter;
   Pgno min_pgno;
   for(pIter=pCache->pDirty; pIter; pIter=pIter->pNext){
     if( pIter->nRef==0 && (p==0 || pIter->pgno<min_pgno) ){
@@ -1041,10 +1040,11 @@
     }
   }
 #else
   for(p=pCache->pDirty; p && p->nRef; p=p->pNext);
 #endif
+  assert( pCache->iInUseMM );
   if( p ){
     p->pDirty = 0;
   }
   return p;
 }