diff -up kexec-tools-testing-20070330/makedumpfile/x86_64.c.orig kexec-tools-testing-20070330/makedumpfile/x86_64.c
--- kexec-tools-testing-20070330/makedumpfile/x86_64.c.orig	2008-04-10 11:59:09.000000000 -0400
+++ kexec-tools-testing-20070330/makedumpfile/x86_64.c	2008-04-10 11:59:52.000000000 -0400
@@ -71,12 +71,11 @@ vaddr_to_offset_x86_64(unsigned long vad
 	struct pt_load_segment *pls;
 
 	/*
-	 * Check the relocatable kernel.
+	 * Note this computation of phys_base works for RHEL5
+	 * because we always keep phys_base at 0x200000.  This 
+	 * doesn't work in general 
 	 */
-	if (SYMBOL(phys_base) != NOT_FOUND_SYMBOL)
-		phys_base = info->phys_base;
-	else
-		phys_base = 0;
+	phys_base = info->phys_base;
 
 	if (vaddr >= __START_KERNEL_map)
 		paddr = vaddr - __START_KERNEL_map + phys_base;