diff --git a/reactos/ntoskrnl/kd/kdinit.c b/reactos/ntoskrnl/kd/kdinit.c
index 7a455a888e5..b5ec7f4e809 100644
--- a/reactos/ntoskrnl/kd/kdinit.c
+++ b/reactos/ntoskrnl/kd/kdinit.c
@@ -118,8 +118,9 @@ KdpGetDebugMode(PCHAR Currentp2)
         KdpDebugMode.Gdb = TRUE;
 
         /* Enable Debugging */
-        KdDebuggerEnabled = TRUE;
         KdDebuggerNotPresent = FALSE;
+        KdDebuggerEnabled = TRUE;
+        SharedUserData->KdDebuggerEnabled = TRUE;
         WrapperInitRoutine = KdpGdbStubInit;
     }
 
@@ -131,8 +132,9 @@ KdpGetDebugMode(PCHAR Currentp2)
         KdpDebugMode.Pice = TRUE;
 
         /* Enable Debugging */
-        KdDebuggerEnabled = TRUE;
         KdDebuggerNotPresent = FALSE;
+        KdDebuggerEnabled = TRUE;
+        SharedUserData->KdDebuggerEnabled = TRUE;
     }
 
     return p2;
@@ -192,14 +194,17 @@ KdInitSystem(ULONG BootPhase,
         else if (strstr(CommandLine, "DEBUG"))
         {
             /* Enable the kernel debugger */
-            KdDebuggerEnabled = TRUE;
             KdDebuggerNotPresent = FALSE;
+            KdDebuggerEnabled = TRUE;
 #ifdef KDBG
             /* Get the KDBG Settings */
             KdbpGetCommandLineSettings(LoaderBlock->LoadOptions);
 #endif
         }
 
+        /* Let user-mode know our state */
+        SharedUserData->KdDebuggerEnabled = KdDebuggerEnabled;
+
         /* Get the port and baud rate */
         Port = strstr(CommandLine, "DEBUGPORT");
         BaudRate = strstr(CommandLine, "BAUDRATE");
diff --git a/reactos/ntoskrnl/kd/kdio.c b/reactos/ntoskrnl/kd/kdio.c
index 7c6742efcfb..7b436573132 100644
--- a/reactos/ntoskrnl/kd/kdio.c
+++ b/reactos/ntoskrnl/kd/kdio.c
@@ -11,6 +11,7 @@
 
 #include <ntoskrnl.h>
 #include <reactos/buildno.h>
+#define NDEBUG
 #include <debug.h>
 
 /* GLOBALS *******************************************************************/
@@ -53,9 +54,11 @@ volatile BOOLEAN KdbpIsInDmesgMode = FALSE;
  *
  * Strongly inspired by:
  * mm\ARM3\mminit.c : MiScanMemoryDescriptors(...)
+ *
+ * See also: kd64\kdinit.c
  */
-SIZE_T
-NTAPI
+static SIZE_T
+INIT_FUNCTION
 KdpGetMemorySizeInMBs(IN PLOADER_PARAMETER_BLOCK LoaderBlock)
 {
     PLIST_ENTRY ListEntry;
@@ -240,10 +243,15 @@ KdpInitDebugLog(PKD_DISPATCH_TABLE DispatchTable,
         KeInitializeSpinLock(&KdpDebugLogSpinLock);
 
         /* Display separator + ReactOS version at start of the debug log */
-        DPRINT1("---------------------------------------------------------------\n");
+        DPRINT1("-----------------------------------------------------\n");
         DPRINT1("ReactOS "KERNEL_VERSION_STR" (Build "KERNEL_VERSION_BUILD_STR")\n");
         MemSizeMBs = MmNumberOfPhysicalPages * PAGE_SIZE / 1024 / 1024;
         DPRINT1("%u System Processor [%u MB Memory]\n", KeNumberProcessors, MemSizeMBs);
+        DPRINT1("Command Line: %s\n", KeLoaderBlock->LoadOptions);
+        DPRINT1("ARC Paths: %s %s %s %s\n", KeLoaderBlock->ArcBootDeviceName,
+                                            KeLoaderBlock->NtHalPathName,
+                                            KeLoaderBlock->ArcHalDeviceName,
+                                            KeLoaderBlock->NtBootPathName);
     }
     else if (BootPhase == 2)
     {
diff --git a/reactos/ntoskrnl/kd/kdmain.c b/reactos/ntoskrnl/kd/kdmain.c
index e7d635e424d..aca1961bb0d 100644
--- a/reactos/ntoskrnl/kd/kdmain.c
+++ b/reactos/ntoskrnl/kd/kdmain.c
@@ -295,6 +295,7 @@ KdDisableDebugger(VOID)
 
     /* Disable the Debugger */
     KdDebuggerEnabled = FALSE;
+    SharedUserData->KdDebuggerEnabled = FALSE;
 
     /* Lower the IRQL */
     KeLowerIrql(OldIrql);
@@ -319,6 +320,7 @@ KdEnableDebugger(VOID)
 
     /* Enable the Debugger */
     KdDebuggerEnabled = TRUE;
+    SharedUserData->KdDebuggerEnabled = TRUE;
 
     /* Lower the IRQL */
     KeLowerIrql(OldIrql);
diff --git a/reactos/ntoskrnl/kd64/kdapi.c b/reactos/ntoskrnl/kd64/kdapi.c
index eefdf400a73..5f31a62a2c2 100644
--- a/reactos/ntoskrnl/kd64/kdapi.c
+++ b/reactos/ntoskrnl/kd64/kdapi.c
@@ -2013,7 +2013,7 @@ KdEnableDebuggerWithLock(IN BOOLEAN NeedLock)
         if (KdPreviouslyEnabled)
         {
             /* Reinitialize the Debugger */
-            KdInitSystem(0, NULL) ;
+            KdInitSystem(0, NULL);
             KdpRestoreAllBreakpoints();
         }
     }
diff --git a/reactos/ntoskrnl/kd64/kdinit.c b/reactos/ntoskrnl/kd64/kdinit.c
index e64ac24081f..590e3b7aa00 100644
--- a/reactos/ntoskrnl/kd64/kdinit.c
+++ b/reactos/ntoskrnl/kd64/kdinit.c
@@ -10,9 +10,61 @@
 /* INCLUDES ******************************************************************/
 
 #include <ntoskrnl.h>
+#include <reactos/buildno.h>
 #define NDEBUG
 #include <debug.h>
 
+/* UTILITY FUNCTIONS *********************************************************/
+
+/*
+ * Get the total size of the memory before
+ * Mm is initialized, by counting the number
+ * of physical pages. Useful for debug logging.
+ *
+ * Strongly inspired by:
+ * mm\ARM3\mminit.c : MiScanMemoryDescriptors(...)
+ *
+ * See also: kd\kdio.c
+ */
+static SIZE_T
+INIT_FUNCTION
+KdpGetMemorySizeInMBs(IN PLOADER_PARAMETER_BLOCK LoaderBlock)
+{
+    PLIST_ENTRY ListEntry;
+    PMEMORY_ALLOCATION_DESCRIPTOR Descriptor;
+    SIZE_T NumberOfPhysicalPages = 0;
+
+    /* Loop the memory descriptors */
+    for (ListEntry = LoaderBlock->MemoryDescriptorListHead.Flink;
+         ListEntry != &LoaderBlock->MemoryDescriptorListHead;
+         ListEntry = ListEntry->Flink)
+    {
+        /* Get the descriptor */
+        Descriptor = CONTAINING_RECORD(ListEntry,
+                                       MEMORY_ALLOCATION_DESCRIPTOR,
+                                       ListEntry);
+
+        /* Check if this is invisible memory */
+        if ((Descriptor->MemoryType == LoaderFirmwarePermanent) ||
+            (Descriptor->MemoryType == LoaderSpecialMemory) ||
+            (Descriptor->MemoryType == LoaderHALCachedMemory) ||
+            (Descriptor->MemoryType == LoaderBBTMemory))
+        {
+            /* Skip this descriptor */
+            continue;
+        }
+
+        /* Check if this is bad memory */
+        if (Descriptor->MemoryType != LoaderBad)
+        {
+            /* Count this in the total of pages */
+            NumberOfPhysicalPages += Descriptor->PageCount;
+        }
+    }
+
+    return NumberOfPhysicalPages * PAGE_SIZE / 1024 / 1024;
+}
+
 /* FUNCTIONS *****************************************************************/
 
 VOID
@@ -80,6 +132,7 @@ KdInitSystem(IN ULONG BootPhase,
     PLIST_ENTRY NextEntry;
     ULONG i, j, Length;
     SIZE_T DebugOptionLength;
+    SIZE_T MemSizeMBs;
     CHAR NameBuffer[256];
     PWCHAR Name;
 
@@ -321,6 +374,20 @@ KdInitSystem(IN ULONG BootPhase,
         /* Let user-mode know that it's enabled as well */
         SharedUserData->KdDebuggerEnabled = TRUE;
 
+        /* Display separator + ReactOS version at start of the debug log */
+        DPRINT1("-----------------------------------------------------\n");
+        DPRINT1("ReactOS "KERNEL_VERSION_STR" (Build "KERNEL_VERSION_BUILD_STR")\n");
+        MemSizeMBs = KdpGetMemorySizeInMBs(KeLoaderBlock);
+        DPRINT1("%u System Processor [%u MB Memory]\n", KeNumberProcessors, MemSizeMBs);
+        if (KeLoaderBlock)
+        {
+            DPRINT1("Command Line: %s\n", KeLoaderBlock->LoadOptions);
+            DPRINT1("ARC Paths: %s %s %s %s\n", KeLoaderBlock->ArcBootDeviceName,
+                                                KeLoaderBlock->NtHalPathName,
+                                                KeLoaderBlock->ArcHalDeviceName,
+                                                KeLoaderBlock->NtBootPathName);
+        }
+
         /* Check if the debugger should be disabled initially */
         if (DisableKdAfterInit)
         {