diff --git a/dmraid.changes b/dmraid.changes
index 2c7fc64..18406ef 100644
--- a/dmraid.changes
+++ b/dmraid.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon Jul 13 09:33:56 UTC 2015 - lwang@suse.com
+
+- dmevent_tool fails with "undefined symbol" (bnc#935623)
+  Added: fix-undefined-symbol.patch 
+
 -------------------------------------------------------------------
 Wed Feb  4 19:33:01 UTC 2015 - coolo@suse.com
 
diff --git a/dmraid.spec b/dmraid.spec
index 20de4cd..e9e061e 100644
--- a/dmraid.spec
+++ b/dmraid.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package dmraid
 #
-# Copyright (c) 2015 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2015 SUSE LINUX Products GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -46,6 +46,8 @@ Patch6:         rebuild.fix
 Patch7:         ddf-erase
 Patch8:         dmraid-move-var-lock-to-run-lock.patch
 Patch9:         dmraid-destdir.patch
+Patch10:        fix-undefined-symbol.patch
+
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 PreReq:         %fillup_prereq
 %{systemd_requires}
@@ -94,6 +96,8 @@ devices with respective mappings for the ATARAID sets discovered.
 %patch7 -p1
 %patch8 -p1
 %patch9 -p1
+%patch10 -p1
+
 cp %{SOURCE3} .
 
 %build
diff --git a/fix-undefined-symbol.patch b/fix-undefined-symbol.patch
new file mode 100644
index 0000000..0750b37
--- /dev/null
+++ b/fix-undefined-symbol.patch
@@ -0,0 +1,28 @@
+From 352b509c8f452a0d77d8adb9149130d5af624b32 Mon Sep 17 00:00:00 2001
+From: Liuhua Wang <lwang@suse.com>
+Date: Thu, 9 Jul 2015 10:22:46 +0800
+Subject: [PATCH] fix undefined symbol
+
+Signed-off-by: Liuhua Wang <lwang@suse.com>
+References: bnc#935623
+
+---
+ dmraid/1.0.0.rc16/tools/dmevent_tool.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git 1.0.0.rc16.orig/tools/dmevent_tool.c 1.0.0.rc16/tools/dmevent_tool.c
+index 8562098..4c43b30 100644
+--- 1.0.0.rc16.orig/tools/dmevent_tool.c
++++ 1.0.0.rc16/tools/dmevent_tool.c
+@@ -77,6 +77,8 @@
+ #define SYS_DM_DEV "/dev"
+ #define SYS_DM_SLAVES_DIR "/slaves"
+ 
++int dmeventd_debug = 0;
++
+ /* Command line option counters for CLI processing. */
+ enum option_type { OPT_a, OPT_h, OPT_m, OPT_r, OPT_u, OPT_V, OPT_SUM, OPT_MAX };
+ static int optc[OPT_MAX];
+-- 
+1.8.4.5
+