From e55d943126cdd3eac7dfec5f40e794f89dbf038b Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Mon, 27 Apr 2009 11:18:07 -0700
Subject: [PATCH] Don't try to do anything for I830Sync when VT switched.

Fixes a crash with fake bufmgr and UXA.
---
 src/i830_accel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/i830_accel.c b/src/i830_accel.c
index 67f264c2..cae36dc8 100644
--- a/src/i830_accel.c
+++ b/src/i830_accel.c
@@ -177,7 +177,7 @@ I830Sync(ScrnInfoPtr pScrn)
    if (I810_DEBUG & (DEBUG_VERBOSE_ACCEL | DEBUG_VERBOSE_SYNC))
       ErrorF("I830Sync\n");
 
-   if (pI830->accel == ACCEL_NONE)
+   if (pI830->accel == ACCEL_NONE || !pScrn->vtSema || !pI830->batch_bo)
        return;
 
 #ifdef XF86DRI