diff --git a/Computer%2Fdebbert.mw b/Computer%2Fdebbert.mw
index 3301945c..1979eca4 100644
--- a/Computer%2Fdebbert.mw
+++ b/Computer%2Fdebbert.mw
@@ -19,3 +19,6 @@ Debian (mac 686-pae) testing (stretch) - Linux debbert 4.4.0-rc6-686-pae #1 SMP
 
 == Verwendungszweck ==
 * public usage
+
+== known issues ==
+* (eth0) hw csum failure (workaround: 30.12.2015 - enforce wlan0)