diff --git a/layout/base/nsCSSRendering.cpp b/layout/base/nsCSSRendering.cpp
index 7fd1a8ef7c2..6fd473965a5 100644
--- a/layout/base/nsCSSRendering.cpp
+++ b/layout/base/nsCSSRendering.cpp
@@ -3642,12 +3642,59 @@ nsCSSRendering::PaintBackgroundWithSC(nsPresContext* aPresContext,
     anchor.y += bgClipArea.y - aBorderArea.y;
   }
 
-#if (!defined(XP_UNIX) && !defined(XP_BEOS)) || defined(XP_MACOSX)
-  // Setup clipping so that rendering doesn't leak out of the computed
-  // dirty rect
-  aRenderingContext.PushState();
-  aRenderingContext.SetClipRect(dirtyRect, nsClipCombine_kIntersect);
-#endif
+  nsRefPtr<gfxContext> ctx = (gfxContext*)
+    aRenderingContext.GetNativeGraphicData(nsIRenderingContext::NATIVE_THEBES_CONTEXT);
+  ctx->Save();
+
+  nscoord appUnitsPerPixel = aPresContext->DevPixelsToAppUnits(1);
+
+  ctx->NewPath();
+  ctx->Rectangle(RectToGfxRect(dirtyRect, appUnitsPerPixel), PR_TRUE);
+  ctx->Clip();
+
+  nsStyleCoord bordStyleRadius[4];
+  nscoord borderRadii[4];
+
+  // get the radius for our border
+  aBorder.mBorderRadius.GetTop(bordStyleRadius[NS_SIDE_TOP]);       // topleft
+  aBorder.mBorderRadius.GetRight(bordStyleRadius[NS_SIDE_RIGHT]);   // topright
+  aBorder.mBorderRadius.GetBottom(bordStyleRadius[NS_SIDE_BOTTOM]); // bottomright
+  aBorder.mBorderRadius.GetLeft(bordStyleRadius[NS_SIDE_LEFT]);     // bottomleft
+
+  PRBool haveRadius = PR_FALSE;
+  PRUint8 side = 0;
+  for (; side < 4; ++side) {
+    borderRadii[side] = 0;
+    switch (bordStyleRadius[side].GetUnit()) {
+      case eStyleUnit_Percent:
+        borderRadii[side] = nscoord(bordStyleRadius[side].GetPercentValue() *
+                                    aForFrame->GetSize().width);
+        break;
+      case eStyleUnit_Coord:
+        borderRadii[side] = bordStyleRadius[side].GetCoordValue();
+        break;
+      default:
+        break;
+    }
+
+    if (borderRadii[side] != 0)
+      haveRadius = PR_TRUE;
+  }
+
+  if (haveRadius) {
+    gfxFloat radii[4];
+    ComputePixelRadii(borderRadii, bgClipArea, aBorder.GetBorder(),
+                      aForFrame ? aForFrame->GetSkipSides() : 0,
+                      appUnitsPerPixel, radii);
+
+    gfxRect oRect(RectToGfxRect(bgClipArea, appUnitsPerPixel));
+    oRect.Round();
+    oRect.Condition();
+
+    ctx->NewPath();
+    DoRoundedRectCWSubPath(ctx, oRect, radii);
+    ctx->Clip();
+  }      
 
   // Compute the x and y starting points and limits for tiling
 
@@ -3794,10 +3841,7 @@ nsCSSRendering::PaintBackgroundWithSC(nsPresContext* aPresContext,
     }
   }
 
-#if (!defined(XP_UNIX) && !defined(XP_BEOS)) || defined(XP_MACOSX)
-  // Restore clipping
-  aRenderingContext.PopState();
-#endif
+  ctx->Restore();
 
 }
 
diff --git a/layout/reftests/bugs/24998-ref.html b/layout/reftests/bugs/24998-1-ref.html
similarity index 71%
rename from layout/reftests/bugs/24998-ref.html
rename to layout/reftests/bugs/24998-1-ref.html
index db01996c069..f0b5ca2a761 100644
--- a/layout/reftests/bugs/24998-ref.html
+++ b/layout/reftests/bugs/24998-1-ref.html
@@ -6,9 +6,9 @@
       div {
         height: 100px;
         width: 100px;
-        border: 10px solid black;
-        -moz-border-radius: 100px;
-        background-color: #00FF00;
+	border: 10px solid black;
+	-moz-border-radius: 100px;
+	background-color: #0000ff;
       }
     </style>
   </head>
diff --git a/layout/reftests/bugs/24998.html b/layout/reftests/bugs/24998-1.html
similarity index 61%
rename from layout/reftests/bugs/24998.html
rename to layout/reftests/bugs/24998-1.html
index a15b8e0d1d1..b222c99f3f3 100644
--- a/layout/reftests/bugs/24998.html
+++ b/layout/reftests/bugs/24998-1.html
@@ -6,9 +6,10 @@
       div {
         height: 100px;
         width: 100px;
-        border: 10px solid black;
+	border: 10px solid black;
         -moz-border-radius: 100px;
-        background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAIAAACQd1PeAAAADElEQVQI12Ng%2BM8AAAICAQCqKp4nAAAAAElFTkSuQmCC);
+        /* this must be bigger than 1x1 */
+        background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAIAAAACEAIAAACtREYwAAAACXBIWXMAAABIAAAASABGyWs+AAAACXZwQWcAAAACAAAAAgBqLH6AAAAAGUlEQVQI12NkYGBg+P+fgYGBgYGBiQEJAAApJQICMg0uAAAAAABJRU5ErkJggg==);
       }
     </style>
   </head>
diff --git a/layout/reftests/bugs/reftest.list b/layout/reftests/bugs/reftest.list
index 8025d57170d..c954e0af2aa 100644
--- a/layout/reftests/bugs/reftest.list
+++ b/layout/reftests/bugs/reftest.list
@@ -32,7 +32,7 @@
 == 18217-zorder-5.html 18217-zorder-ref-inline-table.html
 == 23604-1.html 23604-1-ref.html
 == 23604-2.html 23604-2-ref.html
-fails == 24998.html 24998-ref.html
+== 24998-1.html 24998-1-ref.html
 fails == 25888-1l.html 25888-1l-ref.html # bug 25888
 fails != 25888-1l.html 25888-1l-notref.html # bug 25888
 fails == 25888-1r.html 25888-1r-ref.html # bug 25888
@@ -262,14 +262,6 @@ fails == 352980-1h.html 352980-1-ref.html
 == 363329-2.html 363329-2-ref.html
 == 363370-1.html 363370-1-ref.html
 == 363637-1.html 363637-1-ref.html
-== 363858-1.html 363858-1-ref.html
-== 363858-2.html 363858-2-ref.html
-== 363858-3.html 363858-3-ref.html
-== 363858-4.html 363858-4-ref.html
-== 363858-5a.html 363858-5-ref.html
-== 363858-5b.html 363858-5-ref.html
-== 363858-6a.html 363858-6-ref.html
-== 363858-6b.html 363858-6-ref.html
 == 363874.html 363874-ref.html
 == 363874-max-width.html 363874-max-width-ref.html
 == 364066-1.html 364066-1-ref.html
@@ -518,7 +510,7 @@ random == 403134-1.html 403134-1-ref.html # bug 405377
 == 403656-3.html 403656-3-ref.html
 == 403656-4.html 403656-4-ref.html
 == 403656-5.html 403656-5-ref.html
-#== 403657-1.html 403657-1-ref.html  # Fails depending on the fonts...
+== 403657-1.html 403657-1-ref.html
 == 403733-1.html 403733-1-ref.html
 == 403962-1.xhtml 403962-1-ref.xhtml
 == 404180-1.html 404180-1-ref.html