diff -Nrup kexec-tools-2.0.0.orig/kexec/arch/i386/crashdump-x86.c kexec-tools-2.0.0/kexec/arch/i386/crashdump-x86.c
--- kexec-tools-2.0.0.orig/kexec/arch/i386/crashdump-x86.c	2010-06-11 12:36:15.000000000 +0800
+++ kexec-tools-2.0.0/kexec/arch/i386/crashdump-x86.c	2010-06-11 12:36:53.000000000 +0800
@@ -111,6 +111,15 @@ static int get_crash_memory_ranges(struc
 		if (start >= 0x00000000 && end <= 0x0009ffff)
 			continue;
 
+		/*
+		 *  Exclude any segments starting at or beyond 64GB, and
+		 *  restrict any segments from ending at or beyond 64GB.
+		 */
+		if (start >= 0x1000000000)
+			continue;
+		if (end >= 0x1000000000)
+			end = 0xfffffffff;
+
 		crash_memory_range[memory_ranges].start = start;
 		crash_memory_range[memory_ranges].end = end;
 		crash_memory_range[memory_ranges].type = type;