Here's the watchdog msg. Setting to major as this causes WSOD.

PDOException: SQLSTATE[22001]: String data, right truncated: 1406 Data too long for column 'path' at row 1: INSERT INTO {performance_detail} (timestamp, bytes, ms, query_count, query_timer, anon, path, language, data) VALUES (:db_insert_placeholder_0, :db_insert_placeholder_1, :db_insert_placeholder_2, :db_insert_placeholder_3, :db_insert_placeholder_4, :db_insert_placeholder_5, :db_insert_placeholder_6, :db_insert_placeholder_7, :db_insert_placeholder_8); Array ( [:db_insert_placeholder_0] => 1386848408 [:db_insert_placeholder_1] => 67108864 [:db_insert_placeholder_2] => 2503 [:db_insert_placeholder_3] => 0 [:db_insert_placeholder_4] => 0 [:db_insert_placeholder_5] => 1 [:db_insert_placeholder_6] => drupal/fast_gallery/06_Skye_und_Frida_in_Bern/07 Schoenbergerhof im Juni/08 LaCorona Oct/10 Teatime 2010/07 Sueden im Okt/11 Tanz in den Mai/09 Airport Swing Juli/06 Gemischt/08 Sueden Maerz/06 Schoenberg im Juni/07 Schoenberg im Juli/06 Skye und Frida in Bern/06 Skye und Frida in Bern/12 Black Forest Hop/11 20er 40er Jahre Party [:db_insert_placeholder_7] => de [:db_insert_placeholder_8] => ) in performance_log_details() (Zeile 33 von /var/www/virtual/jenn/html/sites/all/modules/performance/includes/performance.details.inc).