Bug 239948

Application: amarok (2.3.0.90)
KDE Platform Version: 4.4.3 (KDE 4.4.3)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-5-686 i686
Distribution: Debian GNU/Linux unstable (sid)

-- Information about the crash:
Just like with https://bugs.kde.org/show_bug.cgi?id=227599 Amarok crashes when scanning a large collection of files.

This is with Amarok 2.3.1~beta1-1 from Debian unstable.
libtag1c2a  1.6.3-1
Qt          4:4.6.2-5

The crash can be reproduced every time.

 -- Backtrace:
Application: Amarok (amarok), signal: Segmentation fault
[Current thread is 1 (Thread 0xb1259940 (LWP 5082))]

Thread 14 (Thread 0xab133b70 (LWP 5086)):
#0  0xb77d1424 in __kernel_vsyscall ()
#1  0xb3c86452 in pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_timedwait.S:179
#2  0xb591f864 in __pthread_cond_timedwait (cond=0x97475a8, mutex=0x9747590, abstime=0xab133330) at forward.c:152
#3  0xaf945bcf in ?? () from /usr/lib/libxine.so.1
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 13 (Thread 0xab934b70 (LWP 5087)):
#0  0xb37f3e4c in *__GI_clock_gettime (clock_id=-1283489804, tp=0xab933fd8) at ../sysdeps/unix/clock_gettime.c:100
#1  0xb66d646b in qt_gettime () at kernel/qcore_unix.cpp:111
#2  0xb66db675 in QTimerInfoList::updateCurrentTime (this=0x96d369c) at kernel/qeventdispatcher_unix.cpp:340
#3  0xb66db6ba in QTimerInfoList::timerWait (this=0x96d369c, tm=...) at kernel/qeventdispatcher_unix.cpp:443
#4  0xb66d9578 in timerSourcePrepareHelper (src=<value optimized out>, timeout=0xab9340cc) at kernel/qeventdispatcher_glib.cpp:136
#5  0xb37657ca in g_main_context_prepare () from /lib/libglib-2.0.so.0
#6  0xb3765be9 in ?? () from /lib/libglib-2.0.so.0
#7  0xb37661b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#8  0xb66d936f in QEventDispatcherGlib::processEvents (this=0x9747a58, flags=...) at kernel/qeventdispatcher_glib.cpp:414
#9  0xb66abf49 in QEventLoop::processEvents (this=0xab934290, flags=) at kernel/qeventloop.cpp:149
#10 0xb66ac39a in QEventLoop::exec (this=0xab934290, flags=...) at kernel/qeventloop.cpp:201
#11 0xb65a8bd8 in QThread::exec (this=0x96d2998) at thread/qthread.cpp:487
#12 0xaf99294a in ?? () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so
#13 0xb65ab93e in QThreadPrivate::start (arg=0x96d2998) at thread/qthread_unix.cpp:248
#14 0xb3c82585 in start_thread (arg=0xab934b70) at pthread_create.c:300
#15 0xb591229e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 12 (Thread 0xae5ffb70 (LWP 5090)):
#0  0xb77d1424 in __kernel_vsyscall ()
#1  0xb5904b27 in *__GI___poll (fds=0xae5ff28c, nfds=1, timeout=333) at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0xaf83d9bf in ?? () from /usr/lib/xine/plugins/1.28/xineplug_ao_out_alsa.so
#3  0xae613e9c in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 11 (Thread 0xadbffb70 (LWP 5091)):
#0  0xb77d1424 in __kernel_vsyscall ()
#1  0xb3c86125 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0xb591f80d in __pthread_cond_wait (cond=0xae615bc0, mutex=0xae615ba8) at forward.c:139
#3  0xaf9567f6 in ?? () from /usr/lib/libxine.so.1
#4  0x00000000 in ?? ()

Thread 10 (Thread 0xad1ffb70 (LWP 5092)):
#0  0xb77d1424 in __kernel_vsyscall ()
#1  0xb3c86125 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0xb591f80d in __pthread_cond_wait (cond=0xadc9f908, mutex=0xadc9f8f0) at forward.c:139
#3  0xaf9567f6 in ?? () from /usr/lib/libxine.so.1
#4  0x00000000 in ?? ()

Thread 9 (Thread 0xac7ffb70 (LWP 5093)):
#0  0xb77d1424 in __kernel_vsyscall ()
#1  0xb3c86125 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0xb591f80d in __pthread_cond_wait (cond=0xad2f14a8, mutex=0xad2f1490) at forward.c:139
#3  0xaf9567f6 in ?? () from /usr/lib/libxine.so.1
#4  0x00000000 in ?? ()

Thread 8 (Thread 0xaa932b70 (LWP 5094)):
#0  0xb77d1424 in __kernel_vsyscall ()
#1  0xb3c86125 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0xb591f80d in __pthread_cond_wait (cond=0x96420b0, mutex=0x9642098) at forward.c:139
#3  0xaf9567f6 in ?? () from /usr/lib/libxine.so.1
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 7 (Thread 0xaa131b70 (LWP 5096)):
#0  0xb77d1424 in __kernel_vsyscall ()
#1  0xb3c86125 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0xb591f80d in __pthread_cond_wait (cond=0xb4dbb60c, mutex=0xb4dbb5f4) at forward.c:139
#3  0xb400c187 in ?? () from /usr/lib/libQtWebKit.so.4
#4  0xb400c1d1 in ?? () from /usr/lib/libQtWebKit.so.4
#5  0xb3c82585 in start_thread (arg=0xaa131b70) at pthread_create.c:300
#6  0xb591229e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 6 (Thread 0xa7c1bb70 (LWP 5097)):
#0  0xb77d1424 in __kernel_vsyscall ()
#1  0xb3c86125 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0xb591f80d in __pthread_cond_wait (cond=0x97489e0, mutex=0x97489c8) at forward.c:139
#3  0xb65ac867 in QWaitConditionPrivate::wait (this=0x9f46ce8, mutex=0x9f46cec, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  QWaitCondition::wait (this=0x9f46ce8, mutex=0x9f46cec, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#5  0xad388770 in XmlParseJob::run (this=0x9f46cc8) at ../../../../../src/core-impl/collections/sqlcollection/ScanManager.cpp:692
#6  0xb511146d in ThreadWeaver::JobRunHelper::runTheJob (this=0xa7c1b27c, th=0x9eae5e0, job=0x9f46cc8) at ../../../threadweaver/Weaver/Job.cpp:106
#7  0xb51117d1 in ThreadWeaver::Job::execute (this=0x9f46cc8, th=0x9eae5e0) at ../../../threadweaver/Weaver/Job.cpp:135
#8  0xb51104ba in ThreadWeaver::ThreadRunHelper::run (this=0xa7c1b304, parent=0x9eae040, th=0x9eae5e0) at ../../../threadweaver/Weaver/Thread.cpp:95
#9  0xb5110c0b in ThreadWeaver::Thread::run (this=0x9eae5e0) at ../../../threadweaver/Weaver/Thread.cpp:142
#10 0xb65ab93e in QThreadPrivate::start (arg=0x9eae5e0) at thread/qthread_unix.cpp:248
#11 0xb3c82585 in start_thread (arg=0xa7c1bb70) at pthread_create.c:300
#12 0xb591229e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 5 (Thread 0xa741ab70 (LWP 5098)):
#0  0xb77d1424 in __kernel_vsyscall ()
#1  0xb3c86125 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0xb591f80d in __pthread_cond_wait (cond=0x9eae170, mutex=0x9eae158) at forward.c:139
#3  0xb65ac867 in QWaitConditionPrivate::wait (this=0x9eae058, mutex=0x9eae2f8, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  QWaitCondition::wait (this=0x9eae058, mutex=0x9eae2f8, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#5  0xb510f840 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9eae040, th=0x9eaf540) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb511235c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9eae3d8, th=0x9eaf540) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb510e24b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9eae040, th=0x9eaf540) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb5112452 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9eae3d8, th=0x9eaf540) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb510f4a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9eae040, th=0x9eaf540, previous=0xa63dbb0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb51104ee in ThreadWeaver::ThreadRunHelper::run (this=0xa741a304, parent=0x9eae040, th=0x9eaf540) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0xb5110c0b in ThreadWeaver::Thread::run (this=0x9eaf540) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0xb65ab93e in QThreadPrivate::start (arg=0x9eaf540) at thread/qthread_unix.cpp:248
#13 0xb3c82585 in start_thread (arg=0xa741ab70) at pthread_create.c:300
#14 0xb591229e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 4 (Thread 0xa6936b70 (LWP 5099)):
#0  0xb77d1424 in __kernel_vsyscall ()
#1  0xb3c86125 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0xb591f80d in __pthread_cond_wait (cond=0x9eae170, mutex=0x9eae158) at forward.c:139
#3  0xb65ac867 in QWaitConditionPrivate::wait (this=0x9eae058, mutex=0x9eae2f8, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  QWaitCondition::wait (this=0x9eae058, mutex=0x9eae2f8, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#5  0xb510f840 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9eae040, th=0x9eb6380) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb511235c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9eae3d8, th=0x9eb6380) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb510e24b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9eae040, th=0x9eb6380) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb5112452 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9eae3d8, th=0x9eb6380) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb510f4a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9eae040, th=0x9eb6380, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb5112471 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9eae3d8, th=0x9eb6380) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0xb510f4a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9eae040, th=0x9eb6380, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0xb5112471 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9eae3d8, th=0x9eb6380) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#13 0xb510f4a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9eae040, th=0x9eb6380, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#14 0xb5112471 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9eae3d8, th=0x9eb6380) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#15 0xb510f4a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9eae040, th=0x9eb6380, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#16 0xb5112471 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9eae3d8, th=0x9eb6380) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#17 0xb510f4a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9eae040, th=0x9eb6380, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#18 0xb51104ee in ThreadWeaver::ThreadRunHelper::run (this=0xa6936304, parent=0x9eae040, th=0x9eb6380) at ../../../threadweaver/Weaver/Thread.cpp:87
#19 0xb5110c0b in ThreadWeaver::Thread::run (this=0x9eb6380) at ../../../threadweaver/Weaver/Thread.cpp:142
#20 0xb65ab93e in QThreadPrivate::start (arg=0x9eb6380) at thread/qthread_unix.cpp:248
#21 0xb3c82585 in start_thread (arg=0xa6936b70) at pthread_create.c:300
#22 0xb591229e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 3 (Thread 0xa5934b70 (LWP 5102)):
#0  0xb77d1424 in __kernel_vsyscall ()
#1  0xb3c86125 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0xb591f80d in __pthread_cond_wait (cond=0x9eae170, mutex=0x9eae158) at forward.c:139
#3  0xb65ac867 in QWaitConditionPrivate::wait (this=0x9eae058, mutex=0x9eae2f8, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  QWaitCondition::wait (this=0x9eae058, mutex=0x9eae2f8, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#5  0xb510f840 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9eae040, th=0x9f542b0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb511235c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9eae3d8, th=0x9f542b0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb510e24b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9eae040, th=0x9f542b0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb5112452 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9eae3d8, th=0x9f542b0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb510f4a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9eae040, th=0x9f542b0, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb5112471 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9eae3d8, th=0x9f542b0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0xb510f4a3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9eae040, th=0x9f542b0, previous=0xa81d8da8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0xb51104ee in ThreadWeaver::ThreadRunHelper::run (this=0xa5934304, parent=0x9eae040, th=0x9f542b0) at ../../../threadweaver/Weaver/Thread.cpp:87
#13 0xb5110c0b in ThreadWeaver::Thread::run (this=0x9f542b0) at ../../../threadweaver/Weaver/Thread.cpp:142
#14 0xb65ab93e in QThreadPrivate::start (arg=0x9f542b0) at thread/qthread_unix.cpp:248
#15 0xb3c82585 in start_thread (arg=0xa5934b70) at pthread_create.c:300
#16 0xb591229e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xa5133b70 (LWP 5107)):
#0  0xb77d1424 in __kernel_vsyscall ()
#1  0xb3c86125 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0xb591f80d in __pthread_cond_wait (cond=0xb5063e0c, mutex=0xb5063df4) at forward.c:139
#3  0xb4f86597 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0xb505ed20) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2304
#4  0xb4f865e1 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0xb505ed20) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1438
#5  0xb3c82585 in start_thread (arg=0xa5133b70) at pthread_create.c:300
#6  0xb591229e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb1259940 (LWP 5082)):
[KCrash Handler]
#6  0xb6f3f4e3 in QList<KSharedPtr<Playlists::PlaylistFile> >::node_destruct (this=0xbfb2b158, data=0x9f0ea5a8) at /usr/include/qt4/QtCore/qlist.h:402
#7  QList<KSharedPtr<Playlists::PlaylistFile> >::free (this=0xbfb2b158, data=0x9f0ea5a8) at /usr/include/qt4/QtCore/qlist.h:646
#8  0xb6f3f567 in ~QList (this=0x9f0ea664, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qlist.h:621
#9  0xb6f34473 in ~QForeachContainer (this=0x9bc6778) at /usr/include/qt4/QtCore/qglobal.h:2229
#10 Playlists::PlaylistFileProvider::playlists (this=0x9bc6778) at ../../src/playlistmanager/file/PlaylistFileProvider.cpp:105
#11 0xb6ee21ef in PlaylistBrowserNS::MetaPlaylistModel::data (this=0x9ef3f10, index=..., role=20) at ../../src/browsers/playlistbrowser/MetaPlaylistModel.cpp:159
#12 0xb66a24b5 in QAbstractItemModel::itemData (this=0x9ef3f10, index=...) at kernel/qabstractitemmodel.cpp:1644
#13 0xb6eeb56a in QtGroupingProxy::belongsTo (this=0x9ef5c40, idx=...) at ../../src/browsers/playlistbrowser/QtGroupingProxy.cpp:63
#14 0xb6ee9391 in QtGroupingProxy::buildTree (this=0x9ef5c40) at ../../src/browsers/playlistbrowser/QtGroupingProxy.cpp:147
#15 0xb6f0668d in PlaylistsByProviderProxy::buildTree (this=0x9ef5c40) at ../../src/browsers/playlistbrowser/PlaylistsByProviderProxy.cpp:209
#16 0xb6b08f69 in QtGroupingProxy::qt_metacall (this=0x9ef5c40, _c=QMetaObject::InvokeMetaMethod, _id=29, _a=0xbfb2b83c) at moc_QtGroupingProxy.cpp:94
#17 0xb6b0903a in PlaylistsByProviderProxy::qt_metacall (this=0x9ef5c40, _c=QMetaObject::InvokeMetaMethod, _id=29, _a=0xbfb2b83c) at moc_PlaylistsByProviderProxy.cpp:73
#18 0xb66b2b2a in QMetaObject::metacall (object=0x9ef5c40, cl=2668537256, idx=29, argv=0xbfb2b83c) at kernel/qmetaobject.cpp:237
#19 0xb66c10f5 in QMetaObject::activate (sender=0x9ef3f10, m=0xb67c02f8, local_signal_index=2, argv=0x0) at kernel/qobject.cpp:3293
#20 0xb6711c37 in QAbstractItemModel::layoutChanged (this=0x9ef3f10) at .moc/release-shared/moc_qabstractitemmodel.cpp:161
#21 0xb6edc740 in PlaylistBrowserNS::MetaPlaylistModel::slotUpdate (this=0x9ef3f10) at ../../src/browsers/playlistbrowser/MetaPlaylistModel.cpp:474
#22 0xb6b0c763 in PlaylistBrowserNS::MetaPlaylistModel::qt_metacall (this=0x9ef3f10, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xbfb2b9dc) at moc_MetaPlaylistModel.cpp:85
#23 0xb6f1e092 in PlaylistBrowserNS::UserModel::qt_metacall (this=0x9ef3f10, _c=QMetaObject::InvokeMetaMethod, _id=26, _a=0xbfb2b9dc) at ./UserPlaylistModel.moc:64
#24 0xb66b2b2a in QMetaObject::metacall (object=0x9ef3f10, cl=2668537256, idx=26, argv=0xbfb2b9dc) at kernel/qmetaobject.cpp:237
#25 0xb66c10f5 in QMetaObject::activate (sender=0x9bc5e90, m=0xb73f45b4, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3293
#26 0xb6f2ad97 in PlaylistManager::updated (this=0x9bc5e90) at ./PlaylistManager.moc:102
#27 0xb6f2adbd in PlaylistManager::slotUpdated (this=0x9bc5e90) at ../../src/playlistmanager/PlaylistManager.cpp:129
#28 0xb6f2fee3 in PlaylistManager::qt_metacall (this=0x9bc5e90, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0x9f0b90c8) at ./PlaylistManager.moc:90
#29 0xb66b2b2a in QMetaObject::metacall (object=0x9bc5e90, cl=2668537256, idx=9, argv=0x9f0b90c8) at kernel/qmetaobject.cpp:237
#30 0xb66bd056 in QMetaCallEvent::placeMetaCall (this=0x9f0bad70, object=0x9bc5e90) at kernel/qobject.cpp:561
#31 0xb66be11e in QObject::event (this=0x9bc5e90, e=0x9f0bad70) at kernel/qobject.cpp:1248
#32 0xb5bf4bec in QApplicationPrivate::notify_helper (this=0x9641a90, receiver=0x9bc5e90, e=0x9f0bad70) at kernel/qapplication.cpp:4300
#33 0xb5bfb75e in QApplication::notify (this=0xbfb2c348, receiver=0x9bc5e90, e=0x9f0bad70) at kernel/qapplication.cpp:3704
#34 0xb7001ed6 in App::notify (this=0xbfb2c348, receiver=0x9bc5e90, event=0x9f0bad70) at ../../src/App.cpp:914
#35 0xb66ad92b in QCoreApplication::notifyInternal (this=0xbfb2c348, receiver=0x9bc5e90, event=0x9f0bad70) at kernel/qcoreapplication.cpp:704
#36 0xb66b0303 in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0x9552ab8) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#37 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x9552ab8) at kernel/qcoreapplication.cpp:1345
#38 0xb66b046d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1238
#39 0xb66d983f in QCoreApplication::sendPostedEvents (s=0x9645920) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#40 postEventSourceDispatch (s=0x9645920) at kernel/qeventdispatcher_glib.cpp:276
#41 0xb37622f5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#42 0xb3765fd8 in ?? () from /lib/libglib-2.0.so.0
#43 0xb37661b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#44 0xb66d9335 in QEventDispatcherGlib::processEvents (this=0x9552820, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#45 0xb5cb3255 in QGuiEventDispatcherGlib::processEvents (this=0x9552820, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#46 0xb66abf49 in QEventLoop::processEvents (this=0xbfb2c2b4, flags=) at kernel/qeventloop.cpp:149
#47 0xb66ac39a in QEventLoop::exec (this=0xbfb2c2b4, flags=...) at kernel/qeventloop.cpp:201
#48 0xb66b052f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#49 0xb5bf4c87 in QApplication::exec () at kernel/qapplication.cpp:3579
#50 0x0804ff91 in main (argc=1, argv=0xbfb2cba4) at ../../src/main.cpp:237

Reported using DrKonqi