From ab6469f2ae84cb559d58802bcc2a4e1f28097433 Mon Sep 17 00:00:00 2001
From: VilhoRaatikka <vilho.raatikka@skysql.com>
Date: Mon, 10 Feb 2014 23:21:03 +0200
Subject: [PATCH] Added debug print to place where changing DCB state fails.

---
 server/core/dcb.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/server/core/dcb.c b/server/core/dcb.c
index d4361c54b..c8051e811 100644
--- a/server/core/dcb.c
+++ b/server/core/dcb.c
@@ -1203,7 +1203,7 @@ static bool dcb_set_state_nomutex(
                         dcb->state = new_state;
                         succp = true;
                         break;
-                default:
+                default:                        
                         ss_dassert(old_state != NULL);
                         break;
                 }
@@ -1296,6 +1296,18 @@ static bool dcb_set_state_nomutex(
                         STRDCBSTATE(state),
                         STRDCBSTATE(dcb->state))));
         }
+        else
+        {
+                LOGIF(LD, (skygw_log_write(
+                                   LOGFILE_DEBUG,
+                                   "%lu [dcb_set_state_nomutex] Failed "
+                                   "to change state of DCB %p. "
+                                   "Old state %s > new state %s.",
+                                   pthread_self(),
+                                   dcb,
+                                   STRDCBSTATE(*old_state),
+                                   STRDCBSTATE(new_state))));
+        }
         return succp;
 }