From b0d371ab0a6efd4956c3677faa20b2ac15c33765 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Mon, 1 Dec 2008 11:36:06 -0500
Subject: [PATCH] randr: Don't send output property events on server exit

If the Window resource type is already gone, there's no point in trying
to send events, all it can do is access already-freed memory.

Relevant thread:

http://lists.freedesktop.org/archives/xorg/2008-November/040443.html
---
 randr/rrproperty.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/randr/rrproperty.c b/randr/rrproperty.c
index decf6cb37..b2d414654 100644
--- a/randr/rrproperty.c
+++ b/randr/rrproperty.c
@@ -59,7 +59,8 @@ DeliverPropertyEvent(WindowPtr pWin, void *value)
 
 static void RRDeliverPropertyEvent(ScreenPtr pScreen, xEvent *event)
 {
-    WalkTree(pScreen, DeliverPropertyEvent, event);
+    if (!(dispatchException & (DE_RESET | DE_TERMINATE)))
+	WalkTree(pScreen, DeliverPropertyEvent, event);
 }
 
 _X_EXPORT void