v4l2src: log details if we have them, needed for #575391

diff --git a/sys/v4l2/v4l2src_calls.c b/sys/v4l2/v4l2src_calls.c
index 38671c9..3459aa1 100644 (file)
--- a/sys/v4l2/v4l2src_calls.c
+++ b/sys/v4l2/v4l2src_calls.c
@@ -1070,8 +1070,8 @@ gst_v4l2src_grab_frame (GstV4l2Src * v4l2src, GstBuffer ** buf)
         break;
       default:
         GST_WARNING_OBJECT (v4l2src,
-            "Grabbing frame got interrupted on %s. No expected reason.",
-            v4l2src->v4l2object->videodev);
+            "Grabbing frame got interrupted on %s unexpectedly. %d: %s.",
+            v4l2src->v4l2object->videodev, errno, g_strerror (errno));
         break;
     }