--- xf86-video-i810-1.6.0/src/i830_accel.c.vt_fix	2006-03-22 18:24:03.000000000 -0500
+++ xf86-video-i810-1.6.0/src/i830_accel.c	2006-06-02 15:23:14.000000000 -0400
@@ -137,6 +137,8 @@
    if (I810_DEBUG & (DEBUG_VERBOSE_ACCEL | DEBUG_VERBOSE_SYNC))
       ErrorF("I830Sync\n");
 
+   if (!pScrn->vtSema) 
+     return; 
 #ifdef XF86DRI
    /* VT switching tries to do this.
     */
--- xf86-video-i810-1.6.0/src/i810_accel.c.vt_fix	2006-03-22 18:24:03.000000000 -0500
+++ xf86-video-i810-1.6.0/src/i810_accel.c	2006-06-02 15:23:14.000000000 -0400
@@ -259,6 +259,8 @@
    if (I810_DEBUG & (DEBUG_VERBOSE_ACCEL | DEBUG_VERBOSE_SYNC))
       ErrorF("I810Sync\n");
 
+   if (!pScrn->vtSema) 
+     return; 
 #ifdef XF86DRI
    /* VT switching tries to do this.  
     */