Application: amarok (2.4.0)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic i686
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed:
While playing a song, an input on the search collection bar crashes amarok.

The crash can be reproduced every time.

-- Backtrace:
Application: Amarok (amarok), signal: Segmentation fault
[Current thread is 1 (Thread 0xb6472770 (LWP 13074))]

Thread 10 (Thread 0xb6215b70 (LWP 13075)):
#0  0x009b1416 in __kernel_vsyscall ()
#1  0x02635f76 in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0x0446284b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x044521af in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x0445292b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x024f9304 in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#6  0x0447b2df in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0x07106e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0x0264473e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 9 (Thread 0xaf2f9b70 (LWP 13083)):
#0  0x079a46a4 in pa_mainloop_dispatch () from /usr/lib/libpulse.so.0
#1  0x079a4b90 in pa_mainloop_iterate () from /usr/lib/libpulse.so.0
#2  0x079a4c64 in pa_mainloop_run () from /usr/lib/libpulse.so.0
#3  0x079b5443 in ?? () from /usr/lib/libpulse.so.0
#4  0x07a0ba75 in ?? () from /usr/lib/libpulsecommon-0.9.22.so
#5  0x07106e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0x0264473e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 8 (Thread 0xaa495b70 (LWP 13086)):
#0  0x0265260a in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#1  0x04451009 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x04451e63 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x04452524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x015ee577 in QEventDispatcherGlib::processEvents (this=0x97142f0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x015c0289 in QEventLoop::processEvents (this=0xaa495230, flags=...) at kernel/qeventloop.cpp:149
#6  0x015c0522 in QEventLoop::exec (this=0xaa495230, flags=...) at kernel/qeventloop.cpp:201
#7  0x014ca2a0 in QThread::exec (this=0x96e4d88) at thread/qthread.cpp:492
#8  0x015a1fdb in QInotifyFileSystemWatcherEngine::run (this=0x96e4d88) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x014ccda2 in QThreadPrivate::start (arg=0x96e4d88) at thread/qthread_unix.cpp:320
#10 0x07106e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#11 0x0264473e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 7 (Thread 0xa6f7bb70 (LWP 13096)):
#0  0x009b1416 in __kernel_vsyscall ()
#1  0x0710b48c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x026523fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x0476b817 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x487f1c0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4  0x0476b851 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x487f1c0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5  0x07106e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0x0264473e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 6 (Thread 0xb5a14b70 (LWP 13199)):
#0  0x009b1416 in __kernel_vsyscall ()
#1  0x0710b48c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x026523fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x014cd467 in wait (this=0x9b9ff98, mutex=0x989b548, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x9b9ff98, mutex=0x989b548, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x009987e0 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9b9ff80, th=0x98c96f8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x0099b47c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x98b05a8, th=0x98c96f8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0099842b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9b9ff80, th=0x98c96f8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x0099b56a in ThreadWeaver::WorkingHardState::applyForWork (this=0x98b05a8, th=0x98c96f8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00998373 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9b9ff80, th=0x98c96f8, previous=0x9fcec58) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x00999f9e in ThreadWeaver::ThreadRunHelper::run (this=0xb5a14294, parent=0x9b9ff80, th=0x98c96f8) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x0099a05b in ThreadWeaver::Thread::run (this=0x98c96f8) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x014ccda2 in QThreadPrivate::start (arg=0x98c96f8) at thread/qthread_unix.cpp:320
#13 0x07106e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#14 0x0264473e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 5 (Thread 0xa40bfb70 (LWP 13200)):
#0  0x009b1416 in __kernel_vsyscall ()
#1  0x0710b48c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x026523fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x014cd467 in wait (this=0x9b9ff98, mutex=0x989b548, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x9b9ff98, mutex=0x989b548, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x009987e0 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9b9ff80, th=0x9856a28) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x0099b47c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x98b05a8, th=0x9856a28) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0099842b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9b9ff80, th=0x9856a28) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x0099b56a in ThreadWeaver::WorkingHardState::applyForWork (this=0x98b05a8, th=0x9856a28) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00998373 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9b9ff80, th=0x9856a28, previous=0x9fa4280) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x00999f9e in ThreadWeaver::ThreadRunHelper::run (this=0xa40bf294, parent=0x9b9ff80, th=0x9856a28) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x0099a05b in ThreadWeaver::Thread::run (this=0x9856a28) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x014ccda2 in QThreadPrivate::start (arg=0x9856a28) at thread/qthread_unix.cpp:320
#13 0x07106e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#14 0x0264473e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 4 (Thread 0xa38beb70 (LWP 13201)):
#0  0x009b1416 in __kernel_vsyscall ()
#1  0x0710b48c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x026523fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x014cd467 in wait (this=0x9b9ff98, mutex=0x989b548, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x9b9ff98, mutex=0x989b548, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x009987e0 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9b9ff80, th=0x9856b88) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x0099b47c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x98b05a8, th=0x9856b88) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0099842b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9b9ff80, th=0x9856b88) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x0099b56a in ThreadWeaver::WorkingHardState::applyForWork (this=0x98b05a8, th=0x9856b88) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00998373 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9b9ff80, th=0x9856b88, previous=0x9ffb5a8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x00999f9e in ThreadWeaver::ThreadRunHelper::run (this=0xa38be294, parent=0x9b9ff80, th=0x9856b88) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x0099a05b in ThreadWeaver::Thread::run (this=0x9856b88) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x014ccda2 in QThreadPrivate::start (arg=0x9856b88) at thread/qthread_unix.cpp:320
#13 0x07106e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#14 0x0264473e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 3 (Thread 0xa30b5b70 (LWP 13211)):
#0  0x009b1416 in __kernel_vsyscall ()
#1  0x0710b48c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x026523fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb7225b57 in ?? () from /usr/lib/libQtWebKit.so.4
#4  0x07106e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#5  0x0264473e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0x9d73bb70 (LWP 13217)):
#0  0x009b1416 in __kernel_vsyscall ()
#1  0x0710b48c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x026523fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x014cd467 in wait (this=0x9b9ff98, mutex=0x989b548, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x9b9ff98, mutex=0x989b548, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x009987e0 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9b9ff80, th=0x9bbf660) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x0099b47c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x98b05a8, th=0x9bbf660) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0099842b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9b9ff80, th=0x9bbf660) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x0099b56a in ThreadWeaver::WorkingHardState::applyForWork (this=0x98b05a8, th=0x9bbf660) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00998373 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9b9ff80, th=0x9bbf660, previous=0x9fe8428) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x00999f9e in ThreadWeaver::ThreadRunHelper::run (this=0x9d73b294, parent=0x9b9ff80, th=0x9bbf660) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x0099a05b in ThreadWeaver::Thread::run (this=0x9bbf660) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x014ccda2 in QThreadPrivate::start (arg=0x9bbf660) at thread/qthread_unix.cpp:320
#13 0x07106e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#14 0x0264473e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb6472770 (LWP 13074)):
[KCrash Handler]
#7  0x00abd4f6 in QList<CollectionTreeItem*>::indexOf (this=0x1d, t=@0xbfa412f4, from=0) at /usr/include/qt4/QtCore/qlist.h:828
#8  0x00abb6cf in CollectionTreeItem::row (this=0x9cd6d40) at ../../src/browsers/CollectionTreeItem.cpp:224
#9  0x00ac5b10 in CollectionTreeItemModelBase::queryDone (this=0x9720030) at ../../src/browsers/CollectionTreeItemModelBase.cpp:903
#10 0x00acb85e in CollectionTreeItemModelBase::qt_metacall (this=0x9720030, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0x9fa4530) at ./CollectionTreeItemModelBase.moc:93
#11 0x00abe1aa in CollectionTreeItemModel::qt_metacall (this=0x9720030, _c=QMetaObject::InvokeMetaMethod, _id=26, _a=0x9fa4530) at ./CollectionTreeItemModel.moc:73
#12 0x015c76ba in QMetaObject::metacall (object=0x9720030, cl=QMetaObject::InvokeMetaMethod, idx=26, argv=0x9fa4530) at kernel/qmetaobject.cpp:237
#13 0x015d1e16 in QMetaCallEvent::placeMetaCall (this=0x9fe8cf8, object=0x9720030) at kernel/qobject.cpp:535
#14 0x015d63b7 in QObject::event (this=0x9720030, e=0x9fe8cf8) at kernel/qobject.cpp:1226
#15 0x05d2ed24 in QApplicationPrivate::notify_helper (this=0x920e208, receiver=0x9720030, e=0x9fe8cf8) at kernel/qapplication.cpp:4462
#16 0x05d338ce in QApplication::notify (this=0xbfa41c28, receiver=0x9720030, e=0x9fe8cf8) at kernel/qapplication.cpp:3862
#17 0x004573ca in KApplication::notify (this=0xbfa41c28, receiver=0x9720030, event=0x9fe8cf8) at ../../kdeui/kernel/kapplication.cpp:311
#18 0x015c10bb in QCoreApplication::notifyInternal (this=0xbfa41c28, receiver=0x9720030, event=0x9fe8cf8) at kernel/qcoreapplication.cpp:731
#19 0x015c4c79 in sendEvent (receiver=0x0, event_type=0, data=0x90ed6d8) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x90ed6d8) at kernel/qcoreapplication.cpp:1372
#21 0x015c4e0d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1265
#22 0x015ee3c4 in sendPostedEvents (s=0x9210090) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#23 postEventSourceDispatch (s=0x9210090) at kernel/qeventdispatcher_glib.cpp:277
#24 0x04451aa8 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#25 0x04452270 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#26 0x04452524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#27 0x015ee53c in QEventDispatcherGlib::processEvents (this=0x90ed440, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#28 0x05de2775 in QGuiEventDispatcherGlib::processEvents (this=0x90ed440, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#29 0x015c0289 in QEventLoop::processEvents (this=0xbfa41ba4, flags=...) at kernel/qeventloop.cpp:149
#30 0x015c0522 in QEventLoop::exec (this=0xbfa41ba4, flags=...) at kernel/qeventloop.cpp:201
#31 0x015c4ecc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#32 0x05d2c8e7 in QApplication::exec () at kernel/qapplication.cpp:3736
#33 0x08050cf0 in main (argc=24096912, argv=0x0) at ../../src/main.cpp:268

Possible duplicates by query: bug 270991, bug 269025, bug 266729, bug 259126, bug 258440.

Reported using DrKonqi