diff -urN drm/linux-core/drm_compat.c drm.work/linux-core/drm_compat.c
--- drm/linux-core/drm_compat.c	2008-09-15 15:46:51.000000000 -0400
+++ drm.work/linux-core/drm_compat.c	2008-09-15 15:47:09.000000000 -0400
@@ -217,7 +217,7 @@
 
 	mutex_lock(&bo->mutex);
 
-	err = drm_bo_wait(bo, 0, 1, 0);
+	err = drm_bo_wait(bo, 0, 1, 0, 1);
 	if (err) {
 		data->type = (err == -EAGAIN) ?
 			VM_FAULT_MINOR : VM_FAULT_SIGBUS;