--- a/widget/GfxDriverInfo.cpp
+++ b/widget/GfxDriverInfo.cpp
@@ -249,16 +249,20 @@ const GfxDeviceFamily* GfxDriverInfo::Ge
       APPEND_DEVICE(0x0df6);
       APPEND_DEVICE(0x0df7);
       APPEND_DEVICE(0x1050);
       APPEND_DEVICE(0x1051);
       APPEND_DEVICE(0x1052);
       APPEND_DEVICE(0x1054);
       APPEND_DEVICE(0x1055);
       break;
+    case Bug1116812:
+      APPEND_DEVICE(0x2e32);
+      APPEND_DEVICE(0x2a02);
+      break;
     case AMDRadeonHD5800:
       APPEND_DEVICE(0x6899);
       break;
     // This should never happen, but we get a warning if we don't handle this.
     case DeviceFamilyMax:
       NS_WARNING("Invalid DeviceFamily id");
       break;
   }

--- a/widget/GfxDriverInfo.h
+++ b/widget/GfxDriverInfo.h
@@ -82,16 +82,17 @@ enum DeviceFamily {
   IntelHD3000,
   IntelMobileHDGraphics,
   NvidiaBlockD3D9Layers,
   RadeonX1000,
   Geforce7300GT,
   Nvidia310M,
   AMDRadeonHD5800,
   Bug1137716,
+  Bug1116812,
   DeviceFamilyMax
 };
 
 enum DeviceVendor {
   VendorAll,
   VendorIntel,
   VendorNVIDIA,
   VendorAMD,

--- a/widget/windows/GfxInfo.cpp
+++ b/widget/windows/GfxInfo.cpp
@@ -1041,16 +1041,24 @@ GfxInfo::GetGfxDriverInfo()
     /* Disable D2D on Win8 on Intel HD Graphics on driver <= 8.15.10.2302
      * See bug 804144 and 863683
      */
     APPEND_TO_DRIVER_BLOCKLIST2( DRIVER_OS_WINDOWS_8,
         (nsAString&) GfxDriverInfo::GetDeviceVendor(VendorIntel), (GfxDeviceFamily*) GfxDriverInfo::GetDeviceFamily(IntelMobileHDGraphics),
       nsIGfxInfo::FEATURE_DIRECT2D, nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
       DRIVER_LESS_THAN_OR_EQUAL, V(8,15,10,2302) );
 
+    /* Disable D3D11 layers on Intel G41 express graphics and Intel GM965, Intel X3100, for causing device resets.
+     * See bug 1116812.
+     */
+    APPEND_TO_DRIVER_BLOCKLIST2(DRIVER_OS_ALL,
+        (nsAString&) GfxDriverInfo::GetDeviceVendor(VendorIntel), (GfxDeviceFamily*) GfxDriverInfo::GetDeviceFamily(Bug1116812),
+      nsIGfxInfo::FEATURE_DIRECT3D_11_LAYERS, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
+      DRIVER_LESS_THAN, GfxDriverInfo::allDriverVersions );
+
     /* Disable D2D on AMD Catalyst 14.4 until 14.6
      * See bug 984488
      */
     APPEND_TO_DRIVER_BLOCKLIST_RANGE( DRIVER_OS_ALL,
         (nsAString&) GfxDriverInfo::GetDeviceVendor(VendorATI), GfxDriverInfo::allDevices,
       nsIGfxInfo::FEATURE_DIRECT2D, nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
       DRIVER_BETWEEN_INCLUSIVE_START, V(14,1,0,0), V(14,2,0,0), "ATI Catalyst 14.6+");
     APPEND_TO_DRIVER_BLOCKLIST_RANGE( DRIVER_OS_ALL,