This backtrace appears to be of no use. This is probably because your packages are built in a way which prevents creation of proper backtraces, or the stack frame was seriously corrupted in the crash. [Thread debugging using libthread_db enabled] [New Thread 0xb5d416c0 (LWP 14459)] [New Thread 0xafeccb90 (LWP 14469)] [New Thread 0xb06cdb90 (LWP 14468)] [New Thread 0xb136bb90 (LWP 14466)] [New Thread 0xb1b7cb90 (LWP 14464)] [New Thread 0xb45c2b90 (LWP 14462)] 0xb7f50430 in __kernel_vsyscall () [Current thread is 0 (LWP 14459)] Thread 6 (Thread 0xb45c2b90 (LWP 14462)): #0 0xb7f50430 in __kernel_vsyscall () #1 0xb66d7167 in poll () from /lib/tls/i686/cmov/libc.so.6 #2 0xb1b9d532 in ?? () from /usr/lib/libpulse.so.0 #3 0xb1b8f509 in pa_mainloop_poll () from /usr/lib/libpulse.so.0 #4 0xb1b90cd3 in pa_mainloop_iterate () from /usr/lib/libpulse.so.0 #5 0xb1b90da4 in pa_mainloop_run () from /usr/lib/libpulse.so.0 #6 0xb1b9d2e3 in ?? () from /usr/lib/libpulse.so.0 #7 0xb1bbe8e2 in ?? () from /usr/lib/libpulse.so.0 #8 0xb608150f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #9 0xb66e1a0e in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 5 (Thread 0xb1b7cb90 (LWP 14464)): #0 0xb6082c52 in pthread_mutex_lock () from /lib/tls/i686/cmov/libpthread.so.0 #1 0xb66efd86 in pthread_mutex_lock () from /lib/tls/i686/cmov/libc.so.6 #2 0xb1bbdbf1 in ?? () from /usr/lib/libpulse.so.0 #3 0xb1b9d53c in ?? () from /usr/lib/libpulse.so.0 #4 0xb1b8f509 in pa_mainloop_poll () from /usr/lib/libpulse.so.0 #5 0xb1b90cd3 in pa_mainloop_iterate () from /usr/lib/libpulse.so.0 #6 0xb1b90da4 in pa_mainloop_run () from /usr/lib/libpulse.so.0 #7 0xb1b9d2e3 in ?? () from /usr/lib/libpulse.so.0 #8 0xb1bbe8e2 in ?? () from /usr/lib/libpulse.so.0 #9 0xb608150f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #10 0xb66e1a0e in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 4 (Thread 0xb136bb90 (LWP 14466)): #0 0xb7f50430 in __kernel_vsyscall () #1 0xb66d7167 in poll () from /lib/tls/i686/cmov/libc.so.6 #2 0xb1b9d532 in ?? () from /usr/lib/libpulse.so.0 #3 0xb1b8f509 in pa_mainloop_poll () from /usr/lib/libpulse.so.0 #4 0xb1b90cd3 in pa_mainloop_iterate () from /usr/lib/libpulse.so.0 #5 0xb1b90da4 in pa_mainloop_run () from /usr/lib/libpulse.so.0 #6 0xb1b9d2e3 in ?? () from /usr/lib/libpulse.so.0 #7 0xb1bbe8e2 in ?? () from /usr/lib/libpulse.so.0 #8 0xb608150f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #9 0xb66e1a0e in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 3 (Thread 0xb06cdb90 (LWP 14468)): #0 0xb7f50430 in __kernel_vsyscall () #1 0xb66d7167 in poll () from /lib/tls/i686/cmov/libc.so.6 #2 0xb1b9d532 in ?? () from /usr/lib/libpulse.so.0 #3 0xb1b8f509 in pa_mainloop_poll () from /usr/lib/libpulse.so.0 #4 0xb1b90cd3 in pa_mainloop_iterate () from /usr/lib/libpulse.so.0 #5 0xb1b90da4 in pa_mainloop_run () from /usr/lib/libpulse.so.0 #6 0xb1b9d2e3 in ?? () from /usr/lib/libpulse.so.0 #7 0xb1bbe8e2 in ?? () from /usr/lib/libpulse.so.0 #8 0xb608150f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #9 0xb66e1a0e in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 2 (Thread 0xafeccb90 (LWP 14469)): #0 0xb7f50430 in __kernel_vsyscall () #1 0xb66d7167 in poll () from /lib/tls/i686/cmov/libc.so.6 #2 0xb1b9d532 in ?? () from /usr/lib/libpulse.so.0 #3 0xb1b8f509 in pa_mainloop_poll () from /usr/lib/libpulse.so.0 #4 0xb1b90cd3 in pa_mainloop_iterate () from /usr/lib/libpulse.so.0 #5 0xb1b90da4 in pa_mainloop_run () from /usr/lib/libpulse.so.0 #6 0xb1b9d2e3 in ?? () from /usr/lib/libpulse.so.0 #7 0xb1bbe8e2 in ?? () from /usr/lib/libpulse.so.0 #8 0xb608150f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #9 0xb66e1a0e in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 1 (Thread 0xb5d416c0 (LWP 14459)): #0 0xb7f50430 in __kernel_vsyscall () #1 0xb669cf36 in nanosleep () from /lib/tls/i686/cmov/libc.so.6 #2 0xb669cd4e in sleep () from /lib/tls/i686/cmov/libc.so.6 #3 0xb79efd72 in KCrash::startDrKonqi (argv=0xbfe51114, argc=17) at /build/buildd/kde4libs-4.2.0/kdeui/util/kcrash.cpp:412 #4 0xb79f0734 in KCrash::defaultCrashHandler (sig=11) at /build/buildd/kde4libs-4.2.0/kdeui/util/kcrash.cpp:337 #5 #6 0xb74617f7 in QMetaObject::activate () from /usr/lib/libQtCore.so.4 #7 0xb5f7afc3 in ?? () from /usr/lib/libphonon.so.4 #8 0xb5f64216 in ?? () from /usr/lib/libphonon.so.4 #9 0xb5f654aa in ?? () from /usr/lib/libphonon.so.4 #10 0xb5f63b85 in ?? () from /usr/lib/libphonon.so.4 #11 0xb31e5e5f in MediaPlayer (this=0x9850e98, parent=0x9851408) at /build/buildd/ktorrent-3.1.2+dfsg.1/plugins/mediaplayer/mediaplayer.cpp:38 #12 0xb31decbb in kt::MediaPlayerPlugin::load (this=0x9851408) at /build/buildd/ktorrent-3.1.2+dfsg.1/plugins/mediaplayer/mediaplayerplugin.cpp:109 #13 0xb7eedde4 in kt::PluginManager::load (this=0x91919b0, pi=@0x974ee20, idx=2) at /build/buildd/ktorrent-3.1.2+dfsg.1/libktcore/pluginmanager.cpp:125 #14 0xb7eee525 in kt::PluginManager::loadPlugins (this=0x91919b0) at /build/buildd/ktorrent-3.1.2+dfsg.1/libktcore/pluginmanager.cpp:89 #15 0xb7eee811 in kt::PluginManager::loadPluginList (this=0x91919b0) at /build/buildd/ktorrent-3.1.2+dfsg.1/libktcore/pluginmanager.cpp:71 #16 0x08079c0b in GUI (this=0x9192478) at /build/buildd/ktorrent-3.1.2+dfsg.1/ktorrent/gui.cpp:126 #17 0x0807ac89 in kt::App::newInstance (this=0xbfe5255c) at /build/buildd/ktorrent-3.1.2+dfsg.1/ktorrent/app.cpp:52 #18 0xb7989556 in KUniqueApplicationAdaptor::newInstance (this=0x900ef40, asn_id=@0x900f800, args=@0x900f2f8) at /build/buildd/kde4libs-4.2.0/kdeui/kernel/kuniqueapplication_p.h:77 #19 0xb798774e in KUniqueApplicationAdaptor::qt_metacall (this=0x900ef40, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0xbfe51c58) at /build/buildd/kde4libs-4.2.0/obj-i486-linux-gnu/kdeui/kuniqueapplication_p.moc:74 #20 0xb69b526e in ?? () from /usr/lib/libQtDBus.so.4 #21 0xb69b64a7 in ?? () from /usr/lib/libQtDBus.so.4 #22 0xb69b69b1 in ?? () from /usr/lib/libQtDBus.so.4 #23 0xb69b6eaa in ?? () from /usr/lib/libQtDBus.so.4 #24 0xb745b771 in QObject::event () from /usr/lib/libQtCore.so.4 #25 0xb744b7cb in QCoreApplication::event () from /usr/lib/libQtCore.so.4 #26 0xb6b42206 in QApplication::event () from /usr/lib/libQtGui.so.4 #27 0xb6b3c8ec in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4 #28 0xb6b4472e in QApplication::notify () from /usr/lib/libQtGui.so.4 #29 0xb797ffed in KApplication::notify (this=0xbfe5255c, receiver=0xbfe5255c, event=0x900efe0) at /build/buildd/kde4libs-4.2.0/kdeui/kernel/kapplication.cpp:307 #30 0xb744be61 in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4 #31 0xb744cae5 in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4 #32 0xb744ccdd in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4 #33 0xb747682f in ?? () from /usr/lib/libQtCore.so.4 #34 0xb60ce6f8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #35 0xb60d1da3 in ?? () from /usr/lib/libglib-2.0.so.0 #36 0xb60d1f61 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #37 0xb7476478 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4 #38 0xb6bd6ea5 in ?? () from /usr/lib/libQtGui.so.4 #39 0xb744a52a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4 #40 0xb744a6ea in QEventLoop::exec () from /usr/lib/libQtCore.so.4 #41 0xb744cda5 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4 #42 0xb6b3c767 in QApplication::exec () from /usr/lib/libQtGui.so.4 #43 0x0806441b in main (argc=4, argv=0xbfe528d4) at /build/buildd/ktorrent-3.1.2+dfsg.1/ktorrent/main.cpp:165 #0 0xb7f50430 in __kernel_vsyscall ()