As soon as a song ends, rhythmbox crashes. It seems to be failing to write
updated metadata.

+ Trace 44709

$1 = {db = 0x81db0c8, sort_func = 0, sort_user_data = 0x0, query = 0x0, 
  stamp = 3060987877, max_size_mb = 0, max_count = 0, cancelled = 0,
connected = 1, 
  model_poll_id = 5724, total_duration = 1263, total_size = 24720656, 
  entries = 0x43a12c60, reverse_map = 0x43a12c90, query_complete = 0x43a12ce0, 
  pending_updates = 0x43a12d50, reorder_drag_and_drop = 0}


(gdb) p *model->priv->db->priv
$4 = {name = 0x81dbf78 "/home/peter/.gnome2/rhythmbox/rhythmdb.xml", lock =
{mutex = {
      runtime_mutex = 0x0, static_mutex = {
        pad = "\000\000\000\000\000\000\000\0000{\023C", '\0' <repeats 11
times>, 
        dummy_double = 0, dummy_pointer = 0x0, dummy_long = 0}}, read_cond
= 0x821a0e0, 
    write_cond = 0x832b958, read_counter = 0, have_writer = 1, want_to_read
= 0, 
    want_to_write = 0}, column_types = 0x81db570, query_thread_pool =
0x81db6b8, 
  metadata = 0x81db480, vfsinfo = 0x0, query_in_progress = 0, 
  main_thread_cancel = 0x81db170, update_queue = 0x81db1e0, add_queue =
0x81db250, 
  action_queue = 0x81db2c0, dry_run = 0, no_update = 0, writelocked = 0,
readlocks = 0, 
  added_entries = 0x0, changed_entries = 0x8368b7c, propname_map = 0x81db668, 
  thread_reaper_id = 5698, status_queue = 0x81db330, outstanding_threads = 0, 
  exit_mutex = 0x0, exiting = 0}