From ac9e8b8568dbad2c23a3c9b3af6f9b630c60538e Mon Sep 17 00:00:00 2001
From: whitequark <whitequark@whitequark.org>
Date: Fri, 17 Mar 2017 12:09:02 +0000
Subject: [PATCH] test: avoid underflow in DMA replay test.

---
 artiq/test/coredevice/test_rtio.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/artiq/test/coredevice/test_rtio.py b/artiq/test/coredevice/test_rtio.py
index 817442dcf..f728ca1c3 100644
--- a/artiq/test/coredevice/test_rtio.py
+++ b/artiq/test/coredevice/test_rtio.py
@@ -476,6 +476,7 @@ class _DMA(EnvExperiment):
 
     @kernel
     def replay(self):
+        self.break_realtime()
         self.core_dma.replay(self.trace_name)
 
     @kernel