Index: MdeModulePkg/Bus/Pci/UhciDxe/UhciDebug.c
===================================================================
--- MdeModulePkg/Bus/Pci/UhciDxe/UhciDebug.c	(revision 14454)
+++ MdeModulePkg/Bus/Pci/UhciDxe/UhciDebug.c	(working copy)
@@ -26,12 +26,12 @@
   IN UHCI_QH_SW    *QhSw
   )
 {
-  DEBUG ((EFI_D_INFO, "&QhSw @ 0x%p\n", QhSw));
-  DEBUG ((EFI_D_INFO, "QhSw.NextQh    - 0x%p\n", QhSw->NextQh));
-  DEBUG ((EFI_D_INFO, "QhSw.TDs       - 0x%p\n", QhSw->TDs));
-  DEBUG ((EFI_D_INFO, "QhSw.QhHw:\n"));
-  DEBUG ((EFI_D_INFO, " Horizon  Link - %x\n", QhSw->QhHw.HorizonLink));
-  DEBUG ((EFI_D_INFO, " Vertical Link - %x\n\n", QhSw->QhHw.VerticalLink));
+  DEBUG ((EFI_D_VERBOSE, "&QhSw @ 0x%p\n", QhSw));
+  DEBUG ((EFI_D_VERBOSE, "QhSw.NextQh    - 0x%p\n", QhSw->NextQh));
+  DEBUG ((EFI_D_VERBOSE, "QhSw.TDs       - 0x%p\n", QhSw->TDs));
+  DEBUG ((EFI_D_VERBOSE, "QhSw.QhHw:\n"));
+  DEBUG ((EFI_D_VERBOSE, " Horizon  Link - %x\n", QhSw->QhHw.HorizonLink));
+  DEBUG ((EFI_D_VERBOSE, " Vertical Link - %x\n\n", QhSw->QhHw.VerticalLink));
 }
 
 
@@ -51,25 +51,25 @@
   CurTdSw = TdSw;
 
   while (CurTdSw != NULL) {
-    DEBUG ((EFI_D_INFO, "TdSw @ 0x%p\n",           CurTdSw));
-    DEBUG ((EFI_D_INFO, "TdSw.NextTd   - 0x%p\n",  CurTdSw->NextTd));
-    DEBUG ((EFI_D_INFO, "TdSw.DataLen  - %d\n",    CurTdSw->DataLen));
-    DEBUG ((EFI_D_INFO, "TdSw.Data     - 0x%p\n",  CurTdSw->Data));
-    DEBUG ((EFI_D_INFO, "TdHw:\n"));
-    DEBUG ((EFI_D_INFO, " NextLink     - 0x%x\n",  CurTdSw->TdHw.NextLink));
-    DEBUG ((EFI_D_INFO, " ActualLen    - %d\n",    CurTdSw->TdHw.ActualLen));
-    DEBUG ((EFI_D_INFO, " Status       - 0x%x\n",  CurTdSw->TdHw.Status));
-    DEBUG ((EFI_D_INFO, " IOC          - %d\n",    CurTdSw->TdHw.IntOnCpl));
-    DEBUG ((EFI_D_INFO, " IsIsoCh      - %d\n",    CurTdSw->TdHw.IsIsoch));
-    DEBUG ((EFI_D_INFO, " LowSpeed     - %d\n",    CurTdSw->TdHw.LowSpeed));
-    DEBUG ((EFI_D_INFO, " ErrorCount   - %d\n",    CurTdSw->TdHw.ErrorCount));
-    DEBUG ((EFI_D_INFO, " ShortPacket  - %d\n",    CurTdSw->TdHw.ShortPacket));
-    DEBUG ((EFI_D_INFO, " PidCode      - 0x%x\n",  CurTdSw->TdHw.PidCode));
-    DEBUG ((EFI_D_INFO, " DevAddr      - %d\n",    CurTdSw->TdHw.DeviceAddr));
-    DEBUG ((EFI_D_INFO, " EndPoint     - %d\n",    CurTdSw->TdHw.EndPoint));
-    DEBUG ((EFI_D_INFO, " DataToggle   - %d\n",    CurTdSw->TdHw.DataToggle));
-    DEBUG ((EFI_D_INFO, " MaxPacketLen - %d\n",    CurTdSw->TdHw.MaxPacketLen));
-    DEBUG ((EFI_D_INFO, " DataBuffer   - 0x%x\n\n",CurTdSw->TdHw.DataBuffer));
+    DEBUG ((EFI_D_VERBOSE, "TdSw @ 0x%p\n",           CurTdSw));
+    DEBUG ((EFI_D_VERBOSE, "TdSw.NextTd   - 0x%p\n",  CurTdSw->NextTd));
+    DEBUG ((EFI_D_VERBOSE, "TdSw.DataLen  - %d\n",    CurTdSw->DataLen));
+    DEBUG ((EFI_D_VERBOSE, "TdSw.Data     - 0x%p\n",  CurTdSw->Data));
+    DEBUG ((EFI_D_VERBOSE, "TdHw:\n"));
+    DEBUG ((EFI_D_VERBOSE, " NextLink     - 0x%x\n",  CurTdSw->TdHw.NextLink));
+    DEBUG ((EFI_D_VERBOSE, " ActualLen    - %d\n",    CurTdSw->TdHw.ActualLen));
+    DEBUG ((EFI_D_VERBOSE, " Status       - 0x%x\n",  CurTdSw->TdHw.Status));
+    DEBUG ((EFI_D_VERBOSE, " IOC          - %d\n",    CurTdSw->TdHw.IntOnCpl));
+    DEBUG ((EFI_D_VERBOSE, " IsIsoCh      - %d\n",    CurTdSw->TdHw.IsIsoch));
+    DEBUG ((EFI_D_VERBOSE, " LowSpeed     - %d\n",    CurTdSw->TdHw.LowSpeed));
+    DEBUG ((EFI_D_VERBOSE, " ErrorCount   - %d\n",    CurTdSw->TdHw.ErrorCount));
+    DEBUG ((EFI_D_VERBOSE, " ShortPacket  - %d\n",    CurTdSw->TdHw.ShortPacket));
+    DEBUG ((EFI_D_VERBOSE, " PidCode      - 0x%x\n",  CurTdSw->TdHw.PidCode));
+    DEBUG ((EFI_D_VERBOSE, " DevAddr      - %d\n",    CurTdSw->TdHw.DeviceAddr));
+    DEBUG ((EFI_D_VERBOSE, " EndPoint     - %d\n",    CurTdSw->TdHw.EndPoint));
+    DEBUG ((EFI_D_VERBOSE, " DataToggle   - %d\n",    CurTdSw->TdHw.DataToggle));
+    DEBUG ((EFI_D_VERBOSE, " MaxPacketLen - %d\n",    CurTdSw->TdHw.MaxPacketLen));
+    DEBUG ((EFI_D_VERBOSE, " DataBuffer   - 0x%x\n\n",CurTdSw->TdHw.DataBuffer));
 
     CurTdSw = CurTdSw->NextTd;
   }
Index: MdeModulePkg/Bus/Usb/UsbBusDxe/UsbDesc.c
===================================================================
--- MdeModulePkg/Bus/Usb/UsbBusDxe/UsbDesc.c	(revision 14454)
+++ MdeModulePkg/Bus/Usb/UsbBusDxe/UsbDesc.c	(working copy)
@@ -847,7 +847,7 @@
   Status = UsbBuildLangTable (UsbDev);
 
   if (EFI_ERROR (Status)) {
-    DEBUG (( EFI_D_ERROR, "UsbBuildDescTable: get language ID table %r\n", Status));
+    DEBUG (( EFI_D_INFO, "UsbBuildDescTable: get language ID table %r\n", Status));
   }
 
   return EFI_SUCCESS;
Index: MdeModulePkg/Bus/Usb/UsbBusDxe/UsbEnumer.c
===================================================================
--- MdeModulePkg/Bus/Usb/UsbBusDxe/UsbEnumer.c	(revision 14454)
+++ MdeModulePkg/Bus/Usb/UsbBusDxe/UsbEnumer.c	(working copy)
@@ -921,7 +921,7 @@
     // Case4:
     //   Device connected or disconnected normally. 
     //
-    DEBUG ((EFI_D_ERROR, "UsbEnumeratePort: Device Connect/Disconnect Normally\n", Port));
+    DEBUG ((EFI_D_INFO, "UsbEnumeratePort: Device Connect/Disconnect Normally\n", Port));
   }
 
   // 
Index: MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWrite.c
===================================================================
--- MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWrite.c	(revision 14454)
+++ MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWrite.c	(working copy)
@@ -159,7 +159,7 @@
   }
 
   DEBUG (
-    (EFI_D_ERROR,
+    (EFI_D_INFO,
     "Ftw: Allocate() success, Caller:%g, # %d\n",
     CallerId,
     NumberOfWrites)
@@ -573,7 +573,7 @@
   FreePool (SpareBuffer);
 
   DEBUG (
-    (EFI_D_ERROR,
+    (EFI_D_INFO,
     "Ftw: Write() success, (Lba:Offset)=(%lx:0x%x), Length: 0x%x\n",
     Lba,
     Offset,
Index: MdeModulePkg/Universal/FaultTolerantWriteDxe/UpdateWorkingBlock.c
===================================================================
--- MdeModulePkg/Universal/FaultTolerantWriteDxe/UpdateWorkingBlock.c	(revision 14454)
+++ MdeModulePkg/Universal/FaultTolerantWriteDxe/UpdateWorkingBlock.c	(working copy)
@@ -258,7 +258,7 @@
   UINT8                                   *Ptr;
   EFI_LBA                                 WorkSpaceLbaOffset;
 
-  DEBUG ((EFI_D_ERROR, "Ftw: start to reclaim work space\n"));
+  DEBUG ((EFI_D_INFO, "Ftw: start to reclaim work space\n"));
 
   WorkSpaceLbaOffset = FtwDevice->FtwWorkSpaceLba - FtwDevice->FtwWorkBlockLba;
 
@@ -473,7 +473,7 @@
 
   FreePool (SpareBuffer);
 
-  DEBUG ((EFI_D_ERROR, "Ftw: reclaim work space successfully\n"));
+  DEBUG ((EFI_D_INFO, "Ftw: reclaim work space successfully\n"));
 
   return EFI_SUCCESS;
 }
Index: UefiCpuPkg/CpuDxe/CpuDxe.c
===================================================================
--- UefiCpuPkg/CpuDxe/CpuDxe.c	(revision 14454)
+++ UefiCpuPkg/CpuDxe/CpuDxe.c	(working copy)
@@ -637,7 +637,7 @@
   // to avoid unnecessary computing.
   //
   if (mIsFlushingGCD) {
-    DEBUG((EFI_D_ERROR, "  Flushing GCD\n"));
+    DEBUG((EFI_D_INFO, "  Flushing GCD\n"));
       return EFI_SUCCESS;
     }