diff -urN linux-2.6.0-test9-bk/arch/i386/mm/extable.c linux/arch/i386/mm/extable.c
--- linux-2.6.0-test9-bk/arch/i386/mm/extable.c	2003-07-27 13:11:40.000000000 -0400
+++ linux/arch/i386/mm/extable.c	2003-10-27 12:08:38.000000000 -0500
@@ -34,7 +34,7 @@
 	const struct exception_table_entry *fixup;
 
 #ifdef CONFIG_PNPBIOS
-	if (unlikely((regs->xcs | 8) == 0x88)) /* 0x80 or 0x88 */
+	if (unlikely((unsigned)(regs->xcs - (GDT_ENTRY_PNPBIOS_BASE * 8)) < 16))
 	{
 		extern u32 pnp_bios_fault_eip, pnp_bios_fault_esp;
 		extern u32 pnp_bios_is_utter_crap;