diff --git a/src/server/gdb_server.c b/src/server/gdb_server.c
index a16b4ccbe..0d2d1ae2c 100644
--- a/src/server/gdb_server.c
+++ b/src/server/gdb_server.c
@@ -227,6 +227,7 @@ static int gdb_get_char_inner(struct connection *connection, int *next_char)
 		if (gdb_con->buf_cnt > 0)
 			break;
 		if (gdb_con->buf_cnt == 0) {
+			LOG_DEBUG("GDB connection closed by the remote client");
 			gdb_con->closed = true;
 			return ERROR_SERVER_REMOTE_CLOSED;
 		}
@@ -348,11 +349,15 @@ static int gdb_putback_char(struct connection *connection, int last_char)
 static int gdb_write(struct connection *connection, void *data, int len)
 {
 	struct gdb_connection *gdb_con = connection->priv;
-	if (gdb_con->closed)
+	if (gdb_con->closed) {
+		LOG_DEBUG("GDB socket marked as closed, cannot write to it.");
 		return ERROR_SERVER_REMOTE_CLOSED;
+	}
 
 	if (connection_write(connection, data, len) == len)
 		return ERROR_OK;
+
+	LOG_WARNING("Error writing to GDB socket. Dropping the connection.");
 	gdb_con->closed = true;
 	return ERROR_SERVER_REMOTE_CLOSED;
 }
@@ -1351,7 +1356,7 @@ static int gdb_get_register_packet(struct connection *connection,
 		return gdb_error(connection, retval);
 
 	if (reg_list_size <= reg_num) {
-		LOG_ERROR("gdb requested a non-existing register");
+		LOG_ERROR("gdb requested a non-existing register (reg_num=%d)", reg_num);
 		return ERROR_SERVER_REMOTE_CLOSED;
 	}
 
@@ -1413,7 +1418,7 @@ static int gdb_set_register_packet(struct connection *connection,
 	}
 
 	if (reg_list_size <= reg_num) {
-		LOG_ERROR("gdb requested a non-existing register");
+		LOG_ERROR("gdb requested a non-existing register (reg_num=%d)", reg_num);
 		free(bin_buf);
 		free(reg_list);
 		return ERROR_SERVER_REMOTE_CLOSED;