This is when amarok crashes because of no suitable permissions: 
<snippety>
amarok: BEGIN: virtual void ThreadWeaver::Thread::run()
amarok:             [xine-engine] hello
amarok: 
amarok:             PluginManager Service Info:
amarok:             ---------------------------
amarok:             name                          : xine Engine
amarok:             library                       : libamarok_xine-engine
amarok:             desktopEntryPath              : amarok_xine-engine.desktop
amarok:             X-KDE-Amarok-plugintype       : engine
amarok:             X-KDE-Amarok-name             : xine-engine
amarok:             X-KDE-Amarok-authors          : (Max Howell)
amarok:             X-KDE-Amarok-rank             : 255
amarok:             X-KDE-Amarok-version          : 1
amarok:             X-KDE-Amarok-framework-version: 27
amarok: 
amarok: BEGIN: virtual bool XineEngine::init()
amarok:               [xine-engine] 'Bringing joy to small mexican gerbils, a few weeks at a time.'
amarok:               [xine-engine] w00t/usr/home/ltsampros/.kde/share/apps/amarok/xine-config
amarok: END__: virtual void ThreadWeaver::Thread::run() - Took 0.48s
amarok:             [xine-engine] gapless playback enabled.
amarok: END__: virtual bool XineEngine::init() - Took 0.58s
amarok: END__: EngineBase* EngineController::loadEngine(const QString&) - Took 0.67s
amarok: END__: EngineBase* EngineController::loadEngine() - Took 0.67s
amarok:       current browser is not collection, aborting renderView()
amarok: END__: void App::applySettings(bool) - Took 0.76s
amarok:     | Stamp: 2
amarok: BEGIN: ScriptManager::ScriptManager(QWidget*, const char*)
amarok: END__: ScriptManager::ScriptManager(QWidget*, const char*) - Took 0.017s
amarok:     | Stamp: 3
[ltsampros@caprica /usr/ports/audio/amarok/work/amarok-1.4.3/amarok/src/mediadevice/njb]$ amarok:     [Moodbar] Resetting moodbar: 
amarok:     current browser is not collection, aborting renderView()
amarok: END__: void App::continueInit() - Took 7.9s
amarok: BEGIN: virtual void UrlLoader::completeJob()
amarok: END__: virtual void UrlLoader::completeJob() - Took 0.0016s
amarok:   [ThreadWeaver] Job completed: UrlLoader. Jobs pending: 0
amarok: END__: UrlLoader - Took 1.2s
amarok: [virtual KDE::ProgressBar::~ProgressBar()] 
amarok: BEGIN: virtual void ThreadWeaver::Thread::run()
kio_file: WARNING: KLocale: trying to look up "" in catalog. Fix the program
amarok: BEGIN: virtual bool StatisticsUpdateJob::doJob()
amarok:     [ScriptManager] Loaded: alarm.py
amarok:     [ScriptManager] Loaded: amarok_live.py
amarok:     [ScriptManager] Loaded: graphequalizer
amarok:     [ScriptManager] Loaded: PlaylistServer.py
amarok:     [ScriptManager] Loaded: playlist2html.py
amarok:     [ScriptManager] Loaded: Web Control
amarok: BEGIN: SqliteConnection::SqliteConnection(const SqliteConfig*)
amarok:       [ScriptManager] Loaded: Lyrc
amarok:       [ScriptManager] Loaded: Default
amarok:       [ScriptManager] Loaded: Impulsive
kio_file: WARNING: KLocale: trying to look up "" in catalog. Fix the program
kio_file: WARNING: KLocale: trying to look up "" in catalog. Fix the program
kio_file: WARNING: KLocale: trying to look up "" in catalog. Fix the program
amarok: END__: SqliteConnection::SqliteConnection(const SqliteConfig*) - Took 0.29s
amarok:     [MountPointManager] Trying to update 0 statistics rows
amarok: END__: virtual bool StatisticsUpdateJob::doJob() - Took 0.38s
amarok: END__: virtual void ThreadWeaver::Thread::run() - Took 0.43s
amarok: [ThreadWeaver] Job completed: StatisticsUpdateJob. Jobs pending: 0
amarok: [virtual void BrowserBar::polish()] 
amarok: current browser is not collection, aborting renderView()

amarok: BEGIN: virtual bool NjbMediaDevice::openDevice(bool)
Could not find 'kmail' executable.


This is without the permissions problem:
amarok: END__: void MediaDeviceManager::slotMediumAdded(const Medium*, QString) - Took 0.00041s
amarok: BEGIN: void MediaDeviceManager::slotMediumAdded(const Medium*, QString)
amarok: END__: void MediaDeviceManager::slotMediumAdded(const Medium*, QString) - Took 0.00036s
amarok: BEGIN: void MediaDeviceManager::slotMediumAdded(const Medium*, QString)
amarok: END__: void MediaDeviceManager::slotMediumAdded(const Medium*, QString) - Took 0.0005s
amarok: BEGIN: void MediaDeviceManager::slotMediumAdded(const Medium*, QString)
amarok: END__: void MediaDeviceManager::slotMediumAdded(const Medium*, QString) - Took 0.00036s
amarok: BEGIN: void MediaDeviceManager::slotMediumAdded(const Medium*, QString)
amarok: END__: void MediaDeviceManager::slotMediumAdded(const Medium*, QString) - Took 0.00037s
amarok: BEGIN: void MediaDeviceManager::slotMediumAdded(const Medium*, QString)
amarok: END__: void MediaDeviceManager::slotMediumAdded(const Medium*, QString) - Took 0.00042s
amarok: BEGIN: void MediaDeviceManager::slotMediumAdded(const Medium*, QString)
amarok: END__: void MediaDeviceManager::slotMediumAdded(const Medium*, QString) - Took 0.00043s
kio_file: WARNING: KLocale: trying to look up "" in catalog. Fix the program
kio_file: WARNING: KLocale: trying to look up "" in catalog. Fix the program
amarok: [ScriptManager] Loaded: alarm.py
amarok: [ScriptManager] Loaded: amarok_live.py
amarok: [ScriptManager] Loaded: graphequalizer
amarok: [ScriptManager] Loaded: PlaylistServer.py
amarok: [ScriptManager] Loaded: playlist2html.py
amarok: [ScriptManager] Loaded: Web Control
amarok: [ScriptManager] Loaded: Lyrc
amarok: [ScriptManager] Loaded: Default
amarok: [ScriptManager] Loaded: Impulsive
kio_file: WARNING: KLocale: trying to look up "" in catalog. Fix the program
kio_file: WARNING: KLocale: trying to look up "" in catalog. Fix the program
kio_file: WARNING: KLocale: trying to look up "" in catalog. Fix the program
amarok: BEGIN: virtual void ThreadWeaver::Thread::run()
amarok: BEGIN: virtual bool StatisticsUpdateJob::doJob()
amarok: BEGIN: SqliteConnection::SqliteConnection(const SqliteConfig*)
amarok: END__: SqliteConnection::SqliteConnection(const SqliteConfig*) - Took 0.0011s
amarok:     [MountPointManager] Trying to update 0 statistics rows
amarok: END__: virtual bool StatisticsUpdateJob::doJob() - Took 0.0096s
amarok: END__: virtual void ThreadWeaver::Thread::run() - Took 0.011s
amarok: [ThreadWeaver] Job completed: StatisticsUpdateJob. Jobs pending: 0
amarok: [virtual void BrowserBar::polish()] 
amarok: current browser is not collection, aborting renderView()
amarok: BEGIN: virtual bool NjbMediaDevice::openDevice(bool)
amarok: END__: virtual bool NjbMediaDevice::openDevice(bool) - Took 0.017s

(and nothing happens)