OSX 10.5.7
SC 7.4 r27258

Title says it.
It breaks of (doesn't hang).

Scanner.log shows this:

[09-06-29 15:38:07.4956] main::main (166) Starting Squeezebox Server scanner (v7.4, r27258, Sat Jun 27 04:02:20 PDT 2009) perl 5.008008
[09-06-29 15:38:08.6895] Slim::Music::Import::runImporter (466) Starting Slim::Music::MusicFolderScan scan
[09-06-29 15:38:15.1607] Slim::Utils::Scanner::Local::__ANON__ (114) Removing deleted files (0)
[09-06-29 15:38:15.1614] Slim::Utils::Scanner::Local::__ANON__ (165) Scanning new files (1866)
[09-06-29 16:06:10.0935] Slim::Utils::Scanner::Local::__ANON__ (348) ERROR SCANNING /Users/jorgschwieder/Music/The Fugees (Refugee Camp)/The Score/The Fugees - Manifest-Outro.mp3: Unable to read tags from file
[09-06-29 16:15:05.3914] Slim::Utils::Scanner::Local::__ANON__ (216) Rescanning changed files (0)
[09-06-29 16:15:05.3923] Slim::Music::Import::endImporter (596) Completed Slim::Music::MusicFolderScan Scan in 2216 seconds.
[09-06-29 16:15:05.4325] Slim::Music::Import::runImporter (466) Starting Slim::Music::PlaylistFolderScan scan
[09-06-29 16:15:06.0897] Slim::Utils::Scanner::scanDirectory (315) Found 2 files in /Users/jorgschwieder/Music/Playlists
[09-06-29 16:15:06.0934] Slim::Utils::Scanner::scanDirectory (328) Scanning: /Users/jorgschwieder/Music/Playlists/muse.m3u
[09-06-29 16:15:07.0437] Slim::Formats::Playlists::Base::playlistEntryIsValid (120) Warning: file:///Users/jorgschwieder/Music/Depeche%20Mode/Remixes%2081%20-%2004/23-master_and_servant_(an_on-u_sound_science_fiction_dance_hall_classic)_1984_[adrian_sherwood]_192_lame_cbr_ex.mp3 found in playlist:
	file:///Users/jorgschwieder/Music/Playlists/muse.m3u doesn't exist on disk - skipping!
[09-06-29 16:15:07.0914] Slim::Formats::Playlists::Base::playlistEntryIsValid (120) Warning: file:///Users/jorgschwieder/Music/Depeche%20Mode/The%20Singles%2086%20-%2098/18-useless_192_lame_cbr_ex.mp3 found in playlist:
	file:///Users/jorgschwieder/Music/Playlists/muse.m3u doesn't exist on disk - skipping!
[09-06-29 16:15:07.1940] Slim::Formats::Playlists::Base::playlistEntryIsValid (120) Warning: file:///Users/jorgschwieder/Music/Rihanna/Girl%20Like%20Me/02-kisses_don_t_lie_192_lame_cbr_ex.mp3 found in playlist:
	file:///Users/jorgschwieder/Music/Playlists/muse.m3u doesn't exist on disk - skipping!
[09-06-29 16:15:07.2394] Slim::Formats::Playlists::Base::playlistEntryIsValid (120) Warning: file:///Users/jorgschwieder/Music/Depeche%20Mode/The%20Singles%2081%20-%2085/11_-_master_and_servant_192_lame_cbr.mp3 found in playlist:
	file:///Users/jorgschwieder/Music/Playlists/muse.m3u doesn't exist on disk - skipping!
[09-06-29 16:15:07.2411] Slim::Formats::Playlists::Base::playlistEntryIsValid (120) Warning: file:///Users/jorgschwieder/Music/Depeche%20Mode/The%20Singles%2086%20-%2098/09-policy_of_truth_192_lame_cbr_ex.mp3 found in playlist:
	file:///Users/jorgschwieder/Music/Playlists/muse.m3u doesn't exist on disk - skipping!
[09-06-29 16:15:09.7452] Slim::Music::Import::runImporter (466) Starting Slim::Plugin::iTunes::Importer scan
[09-06-29 16:18:50.0792] main::main (285) Error: Failed when running main scan: [Usage: genre(self) at /Library/PreferencePanes/Squeezebox Server.prefPane/Contents/server/Slim/Schema/RemoteTrack.pm line 198.
]
[09-06-29 16:18:50.1101] main::main (286) Error: Skipping post-process & Not updating lastRescanTime!