Index: kaffe/kaffevm/kaffe-gc/gc-refs.c
===================================================================
RCS file: /cvs/kaffe/kaffe/kaffe/kaffevm/kaffe-gc/gc-refs.c,v
retrieving revision 1.7
diff -u -r1.7 gc-refs.c
--- kaffe/kaffevm/kaffe-gc/gc-refs.c	19 Dec 2004 06:41:29 -0000	1.7
+++ kaffe/kaffevm/kaffe-gc/gc-refs.c	20 Dec 2004 11:13:37 -0000
@@ -156,6 +156,12 @@
   threadData *thread_data = KTHREAD(get_data)(tid);
   Hjava_lang_VMThread *thread = (Hjava_lang_VMThread *)thread_data->jlThread;
 
+  /* if the gc is invoked while a new thread is being
+   * initialized, we better skip that thread.
+   */
+  if (!THREAD_DATA_INITIALIZED(thread_data))
+    return;
+
   KGC_markObject(c, NULL, unhand(thread)->thread);
   KGC_markObject(c, NULL, thread);
   
Index: kaffe/kaffevm/threadData.h
===================================================================
RCS file: /cvs/kaffe/kaffe/kaffe/kaffevm/threadData.h,v
retrieving revision 1.4
diff -u -r1.4 threadData.h
--- kaffe/kaffevm/threadData.h	7 Jul 2004 16:05:13 -0000	1.4
+++ kaffe/kaffevm/threadData.h	20 Dec 2004 11:13:37 -0000
@@ -38,4 +38,6 @@
 	int		needOnStack;
 } threadData;
 
+#define THREAD_DATA_INITIALIZED(td) ((td)->jniEnv != NULL)
+
 #endif