$NetBSD: patch-dg,v 1.3 2010/04/29 08:44:30 kefren Exp $
--- mono/metadata/threads.c.orig	2010-04-22 18:37:44.000000000 +0300
+++ mono/metadata/threads.c	2010-04-29 10:52:33.000000000 +0300
@@ -880,8 +880,14 @@
 #    if !defined(__OpenBSD__)
 	pthread_attr_getstack (&attr, (void**)staddr, stsize);
 #    endif
+       /*
+        * he@NetBSD.org: For some reason, this test fails on NetBSD/powerpc,
+        * so just avoid it.
+        */
+    #if !(defined(__NetBSD__) && defined(__powerpc__))
 	if (*staddr)
 		g_assert ((current > *staddr) && (current < *staddr + *stsize));
+    #endif
 #  endif
 
 	pthread_attr_destroy (&attr); 
