diff -r 76c96ee18221 -r af7e2d80dee6 src/server/daemon/sessionhandler.c
--- a/src/server/daemon/sessionhandler.c	Sat Feb 04 10:06:25 2017 +0100
+++ b/src/server/daemon/sessionhandler.c	Tue Feb 14 12:56:23 2017 +0100
@@ -60,6 +60,7 @@
             log_ereport(LOG_VERBOSE, "connection close failed: %s", strerror(errno));
             break;
         }
+        log_ereport(LOG_VERBOSE, "connection close: EINTR");
     }
 }
 
@@ -92,6 +93,7 @@
             log_ereport(LOG_VERBOSE, "connection close failed: %s", strerror(errno));
             break;
         }
+        log_ereport(LOG_VERBOSE, "connection close: EINTR");
     }
 }