Index: trunk/i386/libsaio/sys.c
===================================================================
--- trunk/i386/libsaio/sys.c	(revision 1136)
+++ trunk/i386/libsaio/sys.c	(revision 1137)
@@ -78,6 +78,8 @@
 
 extern int multiboot_partition;
 extern int multiboot_partition_set;
+extern int multiboot_skip_partition;
+extern int multiboot_skip_partition_set;
 
 struct devsw {
     const char *  name;
@@ -842,6 +844,9 @@
 	 */
 	for ( bvr = chain; bvr; bvr = bvr->next )
 	{
+        if (multiboot_skip_partition_set) {
+            if (bvr->part_no == multiboot_skip_partition) continue;
+        }
 		if ( bvr->flags & kBVFlagPrimary && bvr->biosdev == gBIOSDev ) foundPrimary = true;
 		// zhell -- Undo a regression that was introduced from r491 to 492.
 		// if gBIOSBootVolume is set already, no change is required
Index: trunk/i386/boot2/mboot.c
===================================================================
--- trunk/i386/boot2/mboot.c	(revision 1136)
+++ trunk/i386/boot2/mboot.c	(revision 1137)
@@ -12,6 +12,8 @@
 int multiboot_timeout_set=0;
 int multiboot_partition=0;
 int multiboot_partition_set=0;
+int multiboot_skip_partition=0;
+int multiboot_skip_partition_set=0;
 
 // Global multiboot info, if using multiboot.
 struct multiboot_info *gMI;
@@ -414,10 +416,21 @@
             int intVal = strtol(val, &endptr, 0);
             if(*val != '\0' && (*endptr == '\0' || *endptr == ' ' || *endptr == '\t'))
             {
-                printf("Default partition overridden to %d with timeout=%s\n", intVal, val);
+                printf("Default partition overridden to %d with partno=%s\n", intVal, val);
                 multiboot_partition = intVal;
                 multiboot_partition_set = 1;
             }
+        }
+        if(getValueForBootKey(mi->mi_cmdline, "skip_partno", &val, &size))
+        {
+            char *endptr;
+            int intVal = strtol(val, &endptr, 0);
+            if(*val != '\0' && (*endptr == '\0' || *endptr == ' ' || *endptr == '\t'))
+            {
+                printf("Skipping partition %d with skip_partno=%s\n", intVal, val);
+                multiboot_skip_partition = intVal;
+                multiboot_skip_partition_set = 1;
+            }
         }				
     }
     if(doSelectDevice)