--- ./include/asm-i386/i387.h.orig	2004-04-14 12:59:10.000000000 -0700
+++ ./include/asm-i386/i387.h	2004-06-14 14:11:21.000000000 -0700
@@ -34,7 +34,7 @@
 
 #define clear_fpu( tsk ) do { \
 	if ( tsk->flags & PF_USEDFPU ) { \
-		asm volatile("fwait"); \
+		asm volatile("fnclex ; fwait"); \
 		tsk->flags &= ~PF_USEDFPU; \
 		stts(); \
 	} \