From 1a82d677702d0a16c6c6ea2f4cc2325c24a4a570 Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@centraldogma>
Date: Tue, 23 Aug 2011 06:11:16 +0200
Subject: vgavesa: fix race

---
 sys/src/9/pc/vgavesa.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sys/src/9/pc/vgavesa.c b/sys/src/9/pc/vgavesa.c
index 9a260907f..8c4c5f9c5 100644
--- a/sys/src/9/pc/vgavesa.c
+++ b/sys/src/9/pc/vgavesa.c
@@ -265,6 +265,10 @@ vesadisable(VGAscr *)
 {
 	vesactl = Cdisable;
 	wakeup(&vesar);
+
+	/* wait for vesaproc to finish */
+	qlock(&vesaq);
+	qunlock(&vesaq);
 }
 
 static void
-- 
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