diff --git a/ci/setup_spack.sh b/ci/setup_spack.sh
index 166990264fa8577cbb922b52f92f537b44e269b3..c4cf3d6874035b0c610d9894b0ac3fe3c34af172 100755
--- a/ci/setup_spack.sh
+++ b/ci/setup_spack.sh
@@ -76,6 +76,7 @@ if [ ! -d /buildcache/build_cache ]; then
 fi
 
 if ! spack/bin/spack mirror list | grep buildcache; then
+  echo "Add buildcache in mirrors"
   spack/bin/spack mirror add \
       --type binary \
       --scope system \
diff --git a/ci/stack_env.sh b/ci/stack_env.sh
index eae6581c5251bf27abfaf0cf769189576cbcf907..83d776ea5364d88766bd82fdef3bfa76af23e34c 100644
--- a/ci/stack_env.sh
+++ b/ci/stack_env.sh
@@ -11,3 +11,12 @@ SPACK_SYSTEM_CONFIG_PATH=${STACK_LOCATION}/environment
 
 SPACK_USER_CACHE_PATH=$(mktemp -p /tmp -d slurm_user_cache_XXXXXXX)
 SPACK_USER_CONFIG_PATH=$(mktemp -p /tmp -d slurm_user_config_XXXXXXX)
+
+echo "STACK_CONFIG_PATH: ${STACK_CONFIG_PATH}"
+echo "STACK_CONFIG: ${STACK_CONFIG}"
+echo "SPACK_VERSION: ${SPACK_VERSION}"
+echo "MOUNT_POINT: ${MOUNT_POINT}"
+echo "STACK_LOCATION: ${STACK_LOCATION}"
+echo "SPACK_SYSTEM_CONFIG_PATH: ${SPACK_SYSTEM_CONFIG_PATH}"
+echo "SPACK_USER_CACHE_PATH: ${SPACK_USER_CACHE_PATH}"
+echo "SPACK_USER_CONFIG_PATH: ${SPACK_USER_CONFIG_PATH}"