Application: amarok (2.4.0)
KDE Platform Version: 4.6.3 (4.6.3)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed:

I try to remove current song widget, after this amarok  crashed

The crash can be reproduced some of the time.

-- Backtrace:
Application: Amarok (amarok), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f22b69b0840 (LWP 2043))]

Thread 15 (Thread 0x7f2293d3a700 (LWP 2048)):
#0  0x00007f22ada8f16d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f22ada8ff9d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f22ada90639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f22b3d21446 in QEventDispatcherGlib::processEvents (this=0x124fea0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f22b3cf5882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f22b3cf5abc in QEventLoop::exec (this=0x7f2293d39d10, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f22b3c0c924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007f22b3cd7c2f in QInotifyFileSystemWatcherEngine::run (this=0x12bbb90) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f22b3c0f175 in QThreadPrivate::start (arg=0x12bbb90) at thread/qthread_unix.cpp:320
#9  0x00007f22aee8ed8c in start_thread (arg=0x7f2293d3a700) at pthread_create.c:304
#10 0x00007f22b33d104d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 14 (Thread 0x7f22828b0700 (LWP 2075)):
#0  __pthread_mutex_lock (mutex=0x1a27a28) at pthread_mutex_lock.c:50
#1  0x00007f22ada9016c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f22ada909f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f22a5448c44 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f22adab73e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f22aee8ed8c in start_thread (arg=0x7f22828b0700) at pthread_create.c:304
#6  0x00007f22b33d104d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 13 (Thread 0x7f228048d700 (LWP 2076)):
#0  __pthread_mutex_lock (mutex=0x1c0d4b8) at pthread_mutex_lock.c:131
#1  0x00007f22ada900cb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f22ada90639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f22b3d21446 in QEventDispatcherGlib::processEvents (this=0x1c0b8f0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f22b3cf5882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f22b3cf5abc in QEventLoop::exec (this=0x7f228048cd10, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f22b3c0c924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007f22b3cd7c2f in QInotifyFileSystemWatcherEngine::run (this=0x1c0c590) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f22b3c0f175 in QThreadPrivate::start (arg=0x1c0c590) at thread/qthread_unix.cpp:320
#9  0x00007f22aee8ed8c in start_thread (arg=0x7f228048d700) at pthread_create.c:304
#10 0x00007f22b33d104d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 12 (Thread 0x7f227fa6f700 (LWP 2077)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f22b3c0f82b in wait (this=<value optimized out>, mutex=0x1c77150, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1c77150, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f22b0e400b4 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1d4c300, th=0x1c775e0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f22b0e42723 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1c72cd0, th=0x1c775e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f22b0e4273c in ThreadWeaver::WorkingHardState::applyForWork (this=0x1c72cd0, th=0x1c775e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f22b0e4273c in ThreadWeaver::WorkingHardState::applyForWork (this=0x1c72cd0, th=0x1c775e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007f22b0e4273c in ThreadWeaver::WorkingHardState::applyForWork (this=0x1c72cd0, th=0x1c775e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#8  0x00007f22b0e4153f in ThreadWeaver::ThreadRunHelper::run (this=0x7f227fa6ed60, parent=0x1d4c300, th=0x1c775e0) at ../../../threadweaver/Weaver/Thread.cpp:87
#9  0x00007f22b0e415cb in ThreadWeaver::Thread::run (this=0x1c775e0) at ../../../threadweaver/Weaver/Thread.cpp:142
#10 0x00007f22b3c0f175 in QThreadPrivate::start (arg=0x1c775e0) at thread/qthread_unix.cpp:320
#11 0x00007f22aee8ed8c in start_thread (arg=0x7f227fa6f700) at pthread_create.c:304
#12 0x00007f22b33d104d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7f227f063700 (LWP 2080)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f22b3c0f82b in wait (this=<value optimized out>, mutex=0x1c77150, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1c77150, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f22b0e400b4 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1d4c300, th=0x1cc2090) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f22b0e42723 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1c72cd0, th=0x1cc2090) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f22b0e4273c in ThreadWeaver::WorkingHardState::applyForWork (this=0x1c72cd0, th=0x1cc2090) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f22b0e4273c in ThreadWeaver::WorkingHardState::applyForWork (this=0x1c72cd0, th=0x1cc2090) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007f22b0e4153f in ThreadWeaver::ThreadRunHelper::run (this=0x7f227f062d60, parent=0x1d4c300, th=0x1cc2090) at ../../../threadweaver/Weaver/Thread.cpp:87
#8  0x00007f22b0e415cb in ThreadWeaver::Thread::run (this=0x1cc2090) at ../../../threadweaver/Weaver/Thread.cpp:142
#9  0x00007f22b3c0f175 in QThreadPrivate::start (arg=0x1cc2090) at thread/qthread_unix.cpp:320
#10 0x00007f22aee8ed8c in start_thread (arg=0x7f227f063700) at pthread_create.c:304
#11 0x00007f22b33d104d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7f227e862700 (LWP 2081)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f22b3c0f82b in wait (this=<value optimized out>, mutex=0x1c77150, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1c77150, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f22b0e400b4 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1d4c300, th=0x1c2c200) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f22b0e42723 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1c72cd0, th=0x1c2c200) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f22b0e4273c in ThreadWeaver::WorkingHardState::applyForWork (this=0x1c72cd0, th=0x1c2c200) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f22b0e4153f in ThreadWeaver::ThreadRunHelper::run (this=0x7f227e861d60, parent=0x1d4c300, th=0x1c2c200) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f22b0e415cb in ThreadWeaver::Thread::run (this=0x1c2c200) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f22b3c0f175 in QThreadPrivate::start (arg=0x1c2c200) at thread/qthread_unix.cpp:320
#9  0x00007f22aee8ed8c in start_thread (arg=0x7f227e862700) at pthread_create.c:304
#10 0x00007f22b33d104d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7f227e061700 (LWP 2082)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f22b3c0f82b in wait (this=<value optimized out>, mutex=0x1c77150, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1c77150, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f22b0e400b4 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1d4c300, th=0x7f22780010d0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f22b0e42723 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1c72cd0, th=0x7f22780010d0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f22b0e4153f in ThreadWeaver::ThreadRunHelper::run (this=0x7f227e060d60, parent=0x1d4c300, th=0x7f22780010d0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f22b0e415cb in ThreadWeaver::Thread::run (this=0x7f22780010d0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f22b3c0f175 in QThreadPrivate::start (arg=0x7f22780010d0) at thread/qthread_unix.cpp:320
#8  0x00007f22aee8ed8c in start_thread (arg=0x7f227e061700) at pthread_create.c:304
#9  0x00007f22b33d104d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f227d227700 (LWP 2083)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f22aa224832 in ?? () from /usr/lib/libQtWebKit.so.4
#2  0x00007f22aee8ed8c in start_thread (arg=0x7f227d227700) at pthread_create.c:304
#3  0x00007f22b33d104d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f22771ac700 (LWP 2089)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f22af78a2a2 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f22afaa3180) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007f22af78a2d9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x7f22afab1254) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007f22aee8ed8c in start_thread (arg=0x7f22771ac700) at pthread_create.c:304
#4  0x00007f22b33d104d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f22830b1700 (LWP 2100)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f2290a023d5 in ?? () from /usr/lib/gstreamer-0.10/libgstcoreelements.so
#2  0x00007f229baf69d4 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0
#3  0x00007f229baf69d4 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0
#4  0x00007f2290a0d69f in ?? () from /usr/lib/gstreamer-0.10/libgstcoreelements.so
#5  0x00007f229baf69d4 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0
#6  0x00007f229baf69d4 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0
#7  0x00007f229b87f826 in ?? () from /usr/lib/libgstbase-0.10.so.0
#8  0x00007f229baf69d4 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0
#9  0x00007f229b87f826 in ?? () from /usr/lib/libgstbase-0.10.so.0
#10 0x00007f229baf69d4 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0
#11 0x00007f2290a03325 in ?? () from /usr/lib/gstreamer-0.10/libgstcoreelements.so
#12 0x00007f229bb1cf30 in ?? () from /usr/lib/libgstreamer-0.10.so.0
#13 0x00007f22adab9b16 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007f22adab73e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007f22aee8ed8c in start_thread (arg=0x7f22830b1700) at pthread_create.c:304
#16 0x00007f22b33d104d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#17 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f226c484700 (LWP 2101)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f229b86e1af in gst_base_sink_wait_preroll () from /usr/lib/libgstbase-0.10.so.0
#2  0x00007f2295acf3c8 in ?? () from /usr/lib/libgstaudio-0.10.so.0
#3  0x00007f229b86fca0 in ?? () from /usr/lib/libgstbase-0.10.so.0
#4  0x00007f229b87207f in ?? () from /usr/lib/libgstbase-0.10.so.0
#5  0x00007f229b8723d7 in ?? () from /usr/lib/libgstbase-0.10.so.0
#6  0x00007f229b8727cf in ?? () from /usr/lib/libgstbase-0.10.so.0
#7  0x00007f229baf69d4 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0
#8  0x00007f229b87f826 in ?? () from /usr/lib/libgstbase-0.10.so.0
#9  0x00007f229baf69d4 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0
#10 0x00007f229b87f826 in ?? () from /usr/lib/libgstbase-0.10.so.0
#11 0x00007f229baf69d4 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0
#12 0x00007f229b87f826 in ?? () from /usr/lib/libgstbase-0.10.so.0
#13 0x00007f229baf69d4 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0
#14 0x00007f2290a03325 in ?? () from /usr/lib/gstreamer-0.10/libgstcoreelements.so
#15 0x00007f229bb1cf30 in ?? () from /usr/lib/libgstreamer-0.10.so.0
#16 0x00007f22adab9b16 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007f22adab73e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007f22aee8ed8c in start_thread (arg=0x7f226c484700) at pthread_create.c:304
#19 0x00007f22b33d104d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#20 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f226bc83700 (LWP 2102)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f2290a023d5 in ?? () from /usr/lib/gstreamer-0.10/libgstcoreelements.so
#2  0x00007f229baf69d4 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0
#3  0x00007f229baf69d4 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0
#4  0x00007f2290a0d23d in ?? () from /usr/lib/gstreamer-0.10/libgstcoreelements.so
#5  0x00007f2290a0d69f in ?? () from /usr/lib/gstreamer-0.10/libgstcoreelements.so
#6  0x00007f229baf69d4 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0
#7  0x00007f2290a03325 in ?? () from /usr/lib/gstreamer-0.10/libgstcoreelements.so
#8  0x00007f229bb1cf30 in ?? () from /usr/lib/libgstreamer-0.10.so.0
#9  0x00007f22adab9b16 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f22adab73e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f22aee8ed8c in start_thread (arg=0x7f226bc83700) at pthread_create.c:304
#12 0x00007f22b33d104d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f226b482700 (LWP 2103)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f2290a023d5 in ?? () from /usr/lib/gstreamer-0.10/libgstcoreelements.so
#2  0x00007f229baf69d4 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0
#3  0x00007f229baf69d4 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0
#4  0x00007f229baf69d4 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0
#5  0x00007f226c717c9c in ?? () from /usr/lib/gstreamer-0.10/libgstflump3dec.so
#6  0x00007f226c718b7f in ?? () from /usr/lib/gstreamer-0.10/libgstflump3dec.so
#7  0x00007f229baf69d4 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0
#8  0x00007f226cb5f4bf in ?? () from /usr/lib/gstreamer-0.10/libgstaudioparsersbad.so
#9  0x00007f226cb60019 in ?? () from /usr/lib/gstreamer-0.10/libgstaudioparsersbad.so
#10 0x00007f226cb62407 in ?? () from /usr/lib/gstreamer-0.10/libgstaudioparsersbad.so
#11 0x00007f229bb1cf30 in ?? () from /usr/lib/libgstreamer-0.10.so.0
#12 0x00007f22adab9b16 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007f22adab73e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007f22aee8ed8c in start_thread (arg=0x7f226b482700) at pthread_create.c:304
#15 0x00007f22b33d104d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#16 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f2295abf700 (LWP 4975)):
#0  0x00007f22b33c3f03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f22aac9f32f in ?? () from /usr/lib/libpulse.so.0
#2  0x00007f22aac91116 in pa_mainloop_poll () from /usr/lib/libpulse.so.0
#3  0x00007f22aac91749 in pa_mainloop_iterate () from /usr/lib/libpulse.so.0
#4  0x00007f22aac91800 in pa_mainloop_run () from /usr/lib/libpulse.so.0
#5  0x00007f22aac9f2df in ?? () from /usr/lib/libpulse.so.0
#6  0x00007f22a6452a88 in ?? () from /usr/lib/libpulsecommon-0.9.22.so
#7  0x00007f22aee8ed8c in start_thread (arg=0x7f2295abf700) at pthread_create.c:304
#8  0x00007f22b33d104d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f22b69b0840 (LWP 2043)):
[KCrash Handler]
#6  QGraphicsSceneFindItemBspTreeVisitor::visit (this=0x1bcf5d0, items=0x226a018) at graphicsview/qgraphicsscene_bsp.cpp:79
#7  0x00007f22b4cc3c00 in QGraphicsSceneBspTree::climbTree (this=0x1bcf510, visitor=0x1bcf5d0, rect=..., index=<value optimized out>) at graphicsview/qgraphicsscene_bsp.cpp:261
#8  0x00007f22b4cc3ca0 in QGraphicsSceneBspTree::climbTree (this=0x1bcf510, visitor=0x1bcf5d0, rect=..., index=<value optimized out>) at graphicsview/qgraphicsscene_bsp.cpp:252
#9  0x00007f22b4cc3c00 in QGraphicsSceneBspTree::climbTree (this=0x1bcf510, visitor=0x1bcf5d0, rect=..., index=<value optimized out>) at graphicsview/qgraphicsscene_bsp.cpp:261
#10 0x00007f22b4cc3c00 in QGraphicsSceneBspTree::climbTree (this=0x1bcf510, visitor=0x1bcf5d0, rect=..., index=<value optimized out>) at graphicsview/qgraphicsscene_bsp.cpp:261
#11 0x00007f22b4cc436e in QGraphicsSceneBspTree::items (this=<value optimized out>, rect=<value optimized out>, onlyTopLevelItems=<value optimized out>) at graphicsview/qgraphicsscene_bsp.cpp:154
#12 0x00007f22b4cc7201 in QGraphicsSceneBspTreeIndexPrivate::estimateItems (this=0x1bcf460, rect=<value optimized out>, order=Qt::AscendingOrder, onlyTopLevelItems=<value optimized out>) at graphicsview/qgraphicsscenebsptreeindex.cpp:387
#13 0x00007f22b4cc73c3 in QGraphicsSceneBspTreeIndex::estimateTopLevelItems (this=<value optimized out>, rect=<value optimized out>, order=<value optimized out>) at graphicsview/qgraphicsscenebsptreeindex.cpp:540
#14 0x00007f22b4cbad43 in QGraphicsScenePrivate::drawItems (this=0x1bcf160, painter=0x7fff3ab9cfb0, viewTransform=0x0, exposedRegion=0x1c07930, widget=0x1c11d60) at graphicsview/qgraphicsscene.cpp:4733
#15 0x00007f22b4cd7bd2 in QGraphicsView::paintEvent (this=<value optimized out>, event=<value optimized out>) at graphicsview/qgraphicsview.cpp:3469
#16 0x00007f22b4706c6a in QWidget::event (this=0x1c2ae80, event=0x7fff3ab9d8d0) at kernel/qwidget.cpp:8405
#17 0x00007f22b4ab6a66 in QFrame::event (this=0x1c2ae80, e=0x7fff3ab9d8d0) at widgets/qframe.cpp:557
#18 0x00007f22b4cd8e8b in QGraphicsView::viewportEvent (this=0x1c2ae80, event=0x7fff3ab9d8d0) at graphicsview/qgraphicsview.cpp:2864
#19 0x00007f22b3cf6627 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x1c11d60, event=0x7fff3ab9d8d0) at kernel/qcoreapplication.cpp:846
#20 0x00007f22b46b59b1 in QApplicationPrivate::notify_helper (this=0xcd3da0, receiver=0x1c11d60, e=0x7fff3ab9d8d0) at kernel/qapplication.cpp:4458
#21 0x00007f22b46ba3aa in QApplication::notify (this=<value optimized out>, receiver=0x1c11d60, e=0x7fff3ab9d8d0) at kernel/qapplication.cpp:4341
#22 0x00007f22b63ca196 in KApplication::notify (this=0x7fff3aba0430, receiver=0x1c11d60, event=0x7fff3ab9d8d0) at ../../kdeui/kernel/kapplication.cpp:311
#23 0x00007f22b3cf649c in QCoreApplication::notifyInternal (this=0x7fff3aba0430, receiver=0x1c11d60, event=0x7fff3ab9d8d0) at kernel/qcoreapplication.cpp:731
#24 0x00007f22b4703abd in sendSpontaneousEvent (this=0x1c0a540, pdev=0x18c3c78, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x18c41c0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#25 QWidgetPrivate::drawWidget (this=0x1c0a540, pdev=0x18c3c78, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x18c41c0) at kernel/qwidget.cpp:5492
#26 0x00007f22b47046d2 in QWidgetPrivate::paintSiblingsRecursive (this=0x1c074a0, pdev=0x18c3c78, siblings=..., index=<value optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x18c41c0) at kernel/qwidget.cpp:5699
#27 0x00007f22b47037fc in QWidgetPrivate::drawWidget (this=0x1c074a0, pdev=0x18c3c78, rgn=..., offset=..., flags=<value optimized out>, sharedPainter=0x0, backingStore=0x18c41c0) at kernel/qwidget.cpp:5545
#28 0x00007f22b47046d2 in QWidgetPrivate::paintSiblingsRecursive (this=0x1bce4f0, pdev=0x18c3c78, siblings=..., index=<value optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x18c41c0) at kernel/qwidget.cpp:5699
#29 0x00007f22b47037fc in QWidgetPrivate::drawWidget (this=0x1bce4f0, pdev=0x18c3c78, rgn=..., offset=..., flags=<value optimized out>, sharedPainter=0x0, backingStore=0x18c41c0) at kernel/qwidget.cpp:5545
#30 0x00007f22b47046d2 in QWidgetPrivate::paintSiblingsRecursive (this=0x18c0270, pdev=0x18c3c78, siblings=..., index=<value optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x18c41c0) at kernel/qwidget.cpp:5699
#31 0x00007f22b47037fc in QWidgetPrivate::drawWidget (this=0x18c0270, pdev=0x18c3c78, rgn=..., offset=..., flags=<value optimized out>, sharedPainter=0x0, backingStore=0x18c41c0) at kernel/qwidget.cpp:5545
#32 0x00007f22b47046d2 in QWidgetPrivate::paintSiblingsRecursive (this=0x1259f80, pdev=0x18c3c78, siblings=..., index=<value optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x18c41c0) at kernel/qwidget.cpp:5699
#33 0x00007f22b47037fc in QWidgetPrivate::drawWidget (this=0x1259f80, pdev=0x18c3c78, rgn=..., offset=..., flags=<value optimized out>, sharedPainter=0x0, backingStore=0x18c41c0) at kernel/qwidget.cpp:5545
#34 0x00007f22b48c82fb in QWidgetBackingStore::sync (this=0x18c41c0) at painting/qbackingstore.cpp:1333
#35 0x00007f22b46f9f50 in QWidgetPrivate::syncBackingStore (this=0x1259f80) at kernel/qwidget.cpp:1842
#36 0x00007f22b4707184 in QWidget::event (this=0x1259e90, event=0x2817660) at kernel/qwidget.cpp:8552
#37 0x00007f22b4ad051b in QMainWindow::event (this=0x1259e90, event=0x2817660) at widgets/qmainwindow.cpp:1480
#38 0x00007f22b46b59e4 in QApplicationPrivate::notify_helper (this=0xcd3da0, receiver=0x1259e90, e=0x2817660) at kernel/qapplication.cpp:4462
#39 0x00007f22b46ba3aa in QApplication::notify (this=<value optimized out>, receiver=0x1259e90, e=0x2817660) at kernel/qapplication.cpp:4341
#40 0x00007f22b63ca196 in KApplication::notify (this=0x7fff3aba0430, receiver=0x1259e90, event=0x2817660) at ../../kdeui/kernel/kapplication.cpp:311
#41 0x00007f22b3cf649c in QCoreApplication::notifyInternal (this=0x7fff3aba0430, receiver=0x1259e90, event=0x2817660) at kernel/qcoreapplication.cpp:731
#42 0x00007f22b3cf9c25 in sendEvent (receiver=0x1259e90, event_type=77, data=0xb20bc0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#43 QCoreApplicationPrivate::sendPostedEvents (receiver=0x1259e90, event_type=77, data=0xb20bc0) at kernel/qcoreapplication.cpp:1372
#44 0x00007f22b4cb188a in dispatchPendingUpdateRequests (this=0x1bcf160) at ../../include/QtGui/private/../../../src/gui/graphicsview/qgraphicsview_p.h:189
#45 QGraphicsScenePrivate::_q_processDirtyItems (this=0x1bcf160) at graphicsview/qgraphicsscene.cpp:510
#46 0x00007f22b4cb1caa in QGraphicsScene::qt_metacall (this=0x1bce3e0, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0x2b429f0) at .moc/release-shared/moc_qgraphicsscene.cpp:130
#47 0x00007f22b005ed55 in Plasma::Corona::qt_metacall (this=0x1bce3e0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x2b429f0) at ./corona.moc:109
#48 0x00007f22b534f710 in Context::ContextScene::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libamaroklib.so.1
#49 0x00007f22b3d0a49a in QObject::event (this=0x1bce3e0, e=<value optimized out>) at kernel/qobject.cpp:1226
#50 0x00007f22b4cbe58b in QGraphicsScene::event (this=0x1bce3e0, event=0x2b5dbb0) at graphicsview/qgraphicsscene.cpp:3544
#51 0x00007f22b46b59e4 in QApplicationPrivate::notify_helper (this=0xcd3da0, receiver=0x1bce3e0, e=0x2b5dbb0) at kernel/qapplication.cpp:4462
#52 0x00007f22b46ba3aa in QApplication::notify (this=<value optimized out>, receiver=0x1bce3e0, e=0x2b5dbb0) at kernel/qapplication.cpp:4341
#53 0x00007f22b63ca196 in KApplication::notify (this=0x7fff3aba0430, receiver=0x1bce3e0, event=0x2b5dbb0) at ../../kdeui/kernel/kapplication.cpp:311
#54 0x00007f22b3cf649c in QCoreApplication::notifyInternal (this=0x7fff3aba0430, receiver=0x1bce3e0, event=0x2b5dbb0) at kernel/qcoreapplication.cpp:731
#55 0x00007f22b3cf9c25 in sendEvent (receiver=0x0, event_type=0, data=0xb20bc0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#56 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0xb20bc0) at kernel/qcoreapplication.cpp:1372
#57 0x00007f22b3d21253 in sendPostedEvents (s=0xcd3be0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#58 postEventSourceDispatch (s=0xcd3be0) at kernel/qeventdispatcher_glib.cpp:277
#59 0x00007f22ada8fbcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#60 0x00007f22ada903a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#61 0x00007f22ada90639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#62 0x00007f22b3d213ef in QEventDispatcherGlib::processEvents (this=0xb207c0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#63 0x00007f22b475cdfe in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#64 0x00007f22b3cf5882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#65 0x00007f22b3cf5abc in QEventLoop::exec (this=0x7fff3aba03e0, flags=...) at kernel/qeventloop.cpp:201
#66 0x00007f22b3cf9ecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#67 0x0000000000409c51 in _start ()

Possible duplicates by query: bug 274446, bug 270871, bug 270229, bug 269227, bug 268851.

Reported using DrKonqi