diff --git a/GPy/models/bayesian_gplvm_minibatch.py b/GPy/models/bayesian_gplvm_minibatch.py
index 8b8c6feb..85b1e44f 100644
--- a/GPy/models/bayesian_gplvm_minibatch.py
+++ b/GPy/models/bayesian_gplvm_minibatch.py
@@ -120,6 +120,8 @@ class BayesianGPLVMMiniBatch(SparseGPMiniBatch):
         E.g. set the gradients of parameters, etc.
         """
         super(BayesianGPLVMMiniBatch, self)._outer_values_update(full_values)
+        print full_values['kerngrad']
+        import ipdb; ipdb.set_trace()  # XXX BREAKPOINT
         if self.has_uncertain_inputs():
              meangrad_tmp, vargrad_tmp = self.kern.gradients_qX_expectations(
                                                 variational_posterior=self.X,