diff --git a/hw/char/cadence_uart.c b/hw/char/cadence_uart.c
index 5f5a4645ac..c069a30842 100644
--- a/hw/char/cadence_uart.c
+++ b/hw/char/cadence_uart.c
@@ -240,6 +240,8 @@ static int uart_can_receive(void *opaque)
 
     /* ignore characters when unclocked or in reset */
     if (!clock_is_enabled(s->refclk) || device_is_in_reset(DEVICE(s))) {
+        qemu_log_mask(LOG_GUEST_ERROR, "%s: uart is unclocked or in reset\n",
+                      __func__);
         return 0;
     }
 
@@ -376,6 +378,8 @@ static void uart_event(void *opaque, QEMUChrEvent event)
 
     /* ignore characters when unclocked or in reset */
     if (!clock_is_enabled(s->refclk) || device_is_in_reset(DEVICE(s))) {
+        qemu_log_mask(LOG_GUEST_ERROR, "%s: uart is unclocked or in reset\n",
+                      __func__);
         return;
     }
 
@@ -413,6 +417,8 @@ static MemTxResult uart_write(void *opaque, hwaddr offset,
 
     /* ignore access when unclocked or in reset */
     if (!clock_is_enabled(s->refclk) || device_is_in_reset(DEVICE(s))) {
+        qemu_log_mask(LOG_GUEST_ERROR, "%s: uart is unclocked or in reset\n",
+                      __func__);
         return MEMTX_ERROR;
     }
 
@@ -478,6 +484,8 @@ static MemTxResult uart_read(void *opaque, hwaddr offset,
 
     /* ignore access when unclocked or in reset */
     if (!clock_is_enabled(s->refclk) || device_is_in_reset(DEVICE(s))) {
+        qemu_log_mask(LOG_GUEST_ERROR, "%s: uart is unclocked or in reset\n",
+                      __func__);
         return MEMTX_ERROR;
     }