--- handler-unix.c.orig	2011-02-18 12:03:32.000000000 -0500
+++ handler-unix.c	2012-11-24 15:43:31.000000000 -0500
@@ -496,7 +496,13 @@
     ss.ss_sp = (char *) extra_stack + extra_stack_size - sizeof (void *);
     ss.ss_size = extra_stack_size - sizeof (void *);
 #else
+#ifdef __hppa__
+    /* HP-PA Linux fails to properly stack align when calling handler.
+       We also provide 64 bytes for frame marker.  */
+    ss.ss_sp = (void *)(((unsigned long)extra_stack + 0x7F) & ~0x3F);
+#else
     ss.ss_sp = extra_stack;
+#endif
     ss.ss_size = extra_stack_size;
 #endif
     ss.ss_flags = 0; /* no SS_DISABLE */