diff --git a/exa/exa_unaccel.c b/exa/exa_unaccel.c
index bd533c402..078b91c77 100644
--- a/exa/exa_unaccel.c
+++ b/exa/exa_unaccel.c
@@ -127,11 +127,10 @@ ExaCheckCopyNtoN (DrawablePtr pSrc, DrawablePtr pDst,  GCPtr pGC,
     EXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrc, pDst,
 		  exaDrawableLocation(pSrc), exaDrawableLocation(pDst)));
 
-    if (pExaScr->prepare_access_reg) {
+    if (pExaScr->prepare_access_reg && RegionInitBoxes(&reg, pbox, nbox)) {
 	PixmapPtr pPixmap = exaGetDrawablePixmap(pSrc);
 
 	exaGetDrawableDeltas(pSrc, pPixmap, &xoff, &yoff);
-	RegionInit(&reg, pbox, nbox);
 	RegionTranslate(&reg, xoff + dx, yoff + dy);
 	pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_SRC, &reg);
 	RegionUninit(&reg);
@@ -140,11 +139,11 @@ ExaCheckCopyNtoN (DrawablePtr pSrc, DrawablePtr pDst,  GCPtr pGC,
 
     if (pExaScr->prepare_access_reg &&
 	!exaGCReadsDestination(pDst, pGC->planemask, pGC->fillStyle,
-			       pGC->alu, pGC->clientClipType)) {
+			       pGC->alu, pGC->clientClipType) &&
+	RegionInitBoxes (&reg, pbox, nbox)) {
 	PixmapPtr pPixmap = exaGetDrawablePixmap(pDst);
 
 	exaGetDrawableDeltas(pSrc, pPixmap, &xoff, &yoff);
-	RegionInit(&reg, pbox, nbox);
 	RegionTranslate(&reg, xoff, yoff);
 	pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_DEST, &reg);
 	RegionUninit(&reg);
diff --git a/glx/glxdri.c b/glx/glxdri.c
index c87ac9a65..244eac6c2 100644
--- a/glx/glxdri.c
+++ b/glx/glxdri.c
@@ -817,10 +817,19 @@ static void __glXReportDamage(__DRIdrawable *driDraw,
 
     __glXenterServer(GL_FALSE);
 
-    RegionInit(&region, (BoxPtr) rects, num_rects);
-    RegionTranslate(&region, pDraw->x, pDraw->y);
-    DamageDamageRegion(pDraw, &region);
-    RegionUninit(&region);
+    if (RegionInitBoxes(&region, (BoxPtr) rects, num_rects)) {
+	RegionTranslate(&region, pDraw->x, pDraw->y);
+	DamageDamageRegion(pDraw, &region);
+	RegionUninit(&region);
+    }
+    else {
+	while (num_rects--) {
+	    RegionInit (&region, (BoxPtr) rects++, 1);
+	    RegionTranslate(&region, pDraw->x, pDraw->y);
+	    DamageDamageRegion(pDraw, &region);
+	    RegionUninit(&region);
+	}
+    }
 
     __glXleaveServer(GL_FALSE);
 }
diff --git a/include/regionstr.h b/include/regionstr.h
index 3759fe17b..3dfef5c83 100644
--- a/include/regionstr.h
+++ b/include/regionstr.h
@@ -132,6 +132,11 @@ static inline void RegionInit(RegionPtr _pReg, BoxPtr _rect, int _size)
     }
 }
 
+static inline Bool RegionInitBoxes(RegionPtr pReg, BoxPtr boxes, int nBoxes)
+{
+    return pixman_region_init_rects (pReg, boxes, nBoxes);
+}
+
 static inline void RegionUninit(RegionPtr _pReg)
 {
     if ((_pReg)->data && (_pReg)->data->size) {