• A clean install from the MOODLE_27_STABLE branch

• Course restore

• Log output:
  [23-Sep-2014 18:03:43 UTC] Default exception handler: Error writing to database Debug: Row size too large (> 8126). Changing some columns to TEXT or BLOB or using ROW_FORMAT=DYNAMIC or ROW_FORMAT=COMPRESSED may help. In current row format, BLOB prefix of 768 bytes is stored inline.
  INSERT INTO mdl_backup_controllers (backupid,operation,type,itemid,format,interactive,purpose,userid,status,execution,executiontime,checksum,controller,timecreated,timemodified) VALUES(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)
  [array (
  0 => 'd2013ceb949e1805d4807f26bcc4bc78',
  1 => 'restore',
  2 => 'course',
  3 => 2,
  4 => 'moodle2',
  5 => 1,
  6 => 10,
  7 => '2',
  8 => 500,
  9 => 1,
  10 => 0,
  11 => '251623dc4e5171ff58cf2e4812b3601a',
  12 => <base64 encoded controller omitted due to copyright>,
  13 => 1411495423,
  14 => 0,
  )]
  Error code: dmlwriteexception

• line 446 of /lib/dml/moodle_database.php: dml_write_exception thrown
• line 1167 of /lib/dml/mysqli_native_moodle_database.php: call to moodle_database->query_end()
• line 1213 of /lib/dml/mysqli_native_moodle_database.php: call to mysqli_native_moodle_database->insert_record_raw()
• line 87 of /backup/util/dbops/restore_controller_dbops.class.php: call to mysqli_native_moodle_database->insert_record()
• line 418 of /backup/controller/restore_controller.class.php: call to restore_controller_dbops::save_controller()
• line 137 of /backup/util/ui/base_ui.class.php: call to restore_controller->save_controller()
• line 118 of /backup/restore.php: call to base_ui->save_controller()

Once/If I am able to find an open course that causes this issue as well, I'll link the mbz.