1 files changed, 1 insertions, 0 deletions
diff --git a/src/fl2k.rs b/src/fl2k.rs
index f2e197b..74357b3 100644
--- a/src/fl2k.rs
+++ b/src/fl2k.rs
@@ -69,6 +69,7 @@ extern "C" fn tx_callback(data_info: *mut fl2k_ampliphase::fl2k_data_info_t) {
                 },
                 Err(_) => {
                     (*ctx).buffer_underflows += 1;
+                    eprintln!("FL2K buffers not ready on callback");
                 },
             }
         }