diff -ruN jsp.orig/config/powerpc32/cpu_support.S jsp/config/powerpc32/cpu_support.S
--- jsp.orig/config/powerpc32/cpu_support.S	Fri Oct  8 02:10:56 2004
+++ jsp/config/powerpc32/cpu_support.S	Sun Nov 22 18:26:51 2009
@@ -230,7 +230,7 @@
 /*
  *  システムリセット例外
  */
-    .section ".exception_vector","rxai"
+    .section ".exception_vector","wxa"
     .align 2
     .org 0x100 - EXCEPTION_VECTOR_BASE
 
diff -ruN jsp.orig/kernel/check.h jsp/kernel/check.h
--- jsp.orig/kernel/check.h	Wed Jun  4 10:46:16 2003
+++ jsp/kernel/check.h	Sun Nov 22 18:26:48 2009
@@ -203,12 +203,21 @@
 	}							\
 }
 
+#if 0
 #define CHECK_INTCTX_UNL() {					\
 	if (!sense_context() || i_sense_lock()) {		\
 		ercd = E_CTX;					\
 		goto exit;					\
 	}							\
 }
+#else /* _PROC_ICU()で割り込み禁止のままEXT_interruptを読んでいるので，sense_lock()を見ないようにしている(暫定対処) */
+#define CHECK_INTCTX_UNL() {					\
+	if (!sense_context() /*|| i_sense_lock()*/) {		\
+		ercd = E_CTX;					\
+		goto exit;					\
+	}							\
+}
+#endif
 
 /*
  *  ディスパッチ保留状態でないかのチェック（E_CTX）
diff -ruN jsp.orig/sample/sample1.c jsp/sample/sample1.c
--- jsp.orig/sample/sample1.c	Tue Mar 27 17:55:29 2007
+++ jsp/sample/sample1.c	Sun Nov 22 18:26:52 2009
@@ -258,7 +258,11 @@
 	SYSUTIM	utime1, utime2;
 #endif /* OMIT_VGET_TIM */
 
+#if 0
 	vmsk_log(LOG_UPTO(LOG_INFO), LOG_UPTO(LOG_EMERG));
+#else
+	vmsk_log(LOG_UPTO(LOG_DEBUG), LOG_UPTO(LOG_DEBUG));
+#endif
 	syslog(LOG_NOTICE, "Sample program starts (exinf = %d).", (INT) exinf);
 
 	syscall(serial_ctl_por(TASK_PORTID,
diff -ruN jsp.orig/systask/logtask.c jsp/systask/logtask.c
--- jsp.orig/systask/logtask.c	Wed Jun  4 10:48:33 2003
+++ jsp/systask/logtask.c	Sun Nov 22 18:26:48 2009
@@ -65,7 +65,11 @@
 {
 	logtask_portid = (ID) exinf;
 	serial_opn_por(logtask_portid);
+#if 0
 	vmsk_log(LOG_UPTO(LOG_NOTICE), LOG_UPTO(LOG_EMERG));
+#else
+	vmsk_log(LOG_UPTO(LOG_DEBUG), LOG_UPTO(LOG_DEBUG));
+#endif
 	syslog_1(LOG_NOTICE, "System logging task is started on port %d.",
 							logtask_portid);
 	for (;;) {