Bug 241030

Application: amarok (2.3.0)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-22-generic x86_64
Distribution: Ubuntu 10.04 LTS

-- Information about the crash:
I added a flac file to the playlist. When i click it twice to start the playing, amarok crashes.

 -- Backtrace:
Application: Amarok (amarok), signal: Segmentation fault
[Current thread is 1 (Thread 0x7ff708b18780 (LWP 2118))]

Thread 17 (Thread 0x7ff6ea76b710 (LWP 2119)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:211
#1  0x00007ff6ee6d5081 in ?? () from /usr/lib/libxine.so.1
#2  0x00007ff703e759ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#3  0x00007ff705a2b6cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 16 (Thread 0x7ff6e9f6a710 (LWP 2122)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:211
#1  0x00007ff6ee6edfd5 in _x_demux_control_headers_done () from /usr/lib/libxine.so.1
#2  0x00007ff6ee6d3256 in xine_open () from /usr/lib/libxine.so.1
#3  0x00007ff6ee93a7ed in ?? () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so
#4  0x00007ff6ee93ed39 in ?? () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so
#5  0x00007ff706cd422c in QApplicationPrivate::notify_helper (this=0xf8f730, receiver=0x1222030, e=0x25a0f20) at kernel/qapplication.cpp:4300
#6  0x00007ff706cda6fb in QApplication::notify (this=0x7fff7b2926b0, receiver=0x1222030, e=0x25a0f20) at kernel/qapplication.cpp:4183
#7  0x00007ff707d3a12a in App::notify (this=0x7ff6d8262294, receiver=0x189, event=0x8c) at ../../src/App.cpp:927
#8  0x00007ff70636006c in QCoreApplication::notifyInternal (this=0x7fff7b2926b0, receiver=0x1222030, event=0x25a0f20) at kernel/qcoreapplication.cpp:704
#9  0x00007ff7063627e7 in QCoreApplication::sendEvent (receiver=0x0, event_type=<value optimized out>, data=0x121bf70) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#10 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x121bf70) at kernel/qcoreapplication.cpp:1345
#11 0x00007ff7063899d3 in QCoreApplication::sendPostedEvents (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#12 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:276
#13 0x00007ff6feef98c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#14 0x00007ff6feefd748 in ?? () from /lib/libglib-2.0.so.0
#15 0x00007ff6feefd8fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#16 0x00007ff706389513 in QEventDispatcherGlib::processEvents (this=0x1209e60, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#17 0x00007ff70635e992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#18 0x00007ff70635ed6c in QEventLoop::exec (this=0x7ff6e9f69d70, flags=) at kernel/qeventloop.cpp:201
#19 0x00007ff706268d59 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:487
#20 0x00007ff6ee931440 in ?? () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so
#21 0x00007ff70626b775 in QThreadPrivate::start (arg=0x121be90) at thread/qthread_unix.cpp:248
#22 0x00007ff703e759ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#23 0x00007ff705a2b6cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#24 0x0000000000000000 in ?? ()

Thread 15 (Thread 0x7ff6e460d710 (LWP 2128)):
#0  0x00007ff705a1ef53 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=333) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ff6e9564915 in ?? () from /usr/lib/xine/plugins/1.27/xineplug_ao_out_alsa.so
#2  0x00007ff703e759ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#3  0x00007ff705a2b6cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 14 (Thread 0x7ff6e8408710 (LWP 2129)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ff6ee6e5e23 in ?? () from /usr/lib/libxine.so.1
#2  0x00007ff703e759ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#3  0x00007ff705a2b6cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 13 (Thread 0x7ff6dfe0b710 (LWP 2130)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ff6ee6e5e23 in ?? () from /usr/lib/libxine.so.1
#2  0x00007ff703e759ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#3  0x00007ff705a2b6cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 12 (Thread 0x7ff6e77fc710 (LWP 2131)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ff6ee6e5e23 in ?? () from /usr/lib/libxine.so.1
#2  0x00007ff703e759ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#3  0x00007ff705a2b6cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7ff6e5e99710 (LWP 2133)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ff700dd7ca6 in ?? () from /usr/lib/libQtWebKit.so.4
#2  0x00007ff700dd7ce9 in ?? () from /usr/lib/libQtWebKit.so.4
#3  0x00007ff703e759ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#4  0x00007ff705a2b6cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7ff6d308f710 (LWP 2134)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ff70626c72b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x22e7b40, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x22e7b40, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007ff7028c0026 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x22e6d00, th=0x22e7f70) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007ff7028c26ab in ThreadWeaver::WorkingHardState::applyForWork (this=0x22e6490, th=0x22e7f70) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007ff7028c26c4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x22e6490, th=0x22e7f70) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007ff7028c0bff in ThreadWeaver::ThreadRunHelper::run (this=0x7ff6d308ede0, parent=0x22e6d00, th=0x22e7f70) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007ff7028c1168 in ThreadWeaver::Thread::run (this=0x22e7f70) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007ff70626b775 in QThreadPrivate::start (arg=0x22e7f70) at thread/qthread_unix.cpp:248
#9  0x00007ff703e759ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007ff705a2b6cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7ff6d288e710 (LWP 2135)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ff70626c72b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x22e7b40, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x22e7b40, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007ff7028c0026 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x22e6d00, th=0x22e8820) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007ff7028c26ab in ThreadWeaver::WorkingHardState::applyForWork (this=0x22e6490, th=0x22e8820) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007ff7028c26c4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x22e6490, th=0x22e8820) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007ff7028c0bff in ThreadWeaver::ThreadRunHelper::run (this=0x7ff6d288dde0, parent=0x22e6d00, th=0x22e8820) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007ff7028c1168 in ThreadWeaver::Thread::run (this=0x22e8820) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007ff70626b775 in QThreadPrivate::start (arg=0x22e8820) at thread/qthread_unix.cpp:248
#9  0x00007ff703e759ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007ff705a2b6cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7ff6d208d710 (LWP 2136)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ff70626c72b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x22e7b40, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x22e7b40, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007ff7028c0026 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x22e6d00, th=0x2471890) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007ff7028c26ab in ThreadWeaver::WorkingHardState::applyForWork (this=0x22e6490, th=0x2471890) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007ff7028c26c4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x22e6490, th=0x2471890) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007ff7028c0bff in ThreadWeaver::ThreadRunHelper::run (this=0x7ff6d208cde0, parent=0x22e6d00, th=0x2471890) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007ff7028c1168 in ThreadWeaver::Thread::run (this=0x2471890) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007ff70626b775 in QThreadPrivate::start (arg=0x2471890) at thread/qthread_unix.cpp:248
#9  0x00007ff703e759ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007ff705a2b6cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7ff6d108b710 (LWP 2139)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ff70626c72b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x22e7b40, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x22e7b40, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007ff7028c0026 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x22e6d00, th=0x2325a30) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007ff7028c26ab in ThreadWeaver::WorkingHardState::applyForWork (this=0x22e6490, th=0x2325a30) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007ff7028c0bff in ThreadWeaver::ThreadRunHelper::run (this=0x7ff6d108ade0, parent=0x22e6d00, th=0x2325a30) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007ff7028c1168 in ThreadWeaver::Thread::run (this=0x2325a30) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007ff70626b775 in QThreadPrivate::start (arg=0x2325a30) at thread/qthread_unix.cpp:248
#8  0x00007ff703e759ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#9  0x00007ff705a2b6cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7ff6d088a710 (LWP 2146)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ff70212b2a6 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7ff702409220) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2304
#2  0x00007ff70212b2e9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x7ff7024172ec) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1438
#3  0x00007ff703e759ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#4  0x00007ff705a2b6cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7ff6cb890710 (LWP 2154)):
#0  0x00007ff705a23fb3 in select () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007ff6ee6fe2c5 in xine_usec_sleep () from /usr/lib/libxine.so.1
#2  0x00007ff6ee6e2c99 in ?? () from /usr/lib/libxine.so.1
#3  0x00007ff703e759ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#4  0x00007ff705a2b6cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7ff6c1164710 (LWP 2155)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:211
#1  0x00007ff6ee6def53 in ?? () from /usr/lib/libxine.so.1
#2  0x00007ff703e759ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#3  0x00007ff705a2b6cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7ff6c0963710 (LWP 2156)):
[KCrash Handler]
#5  0x00007ff6ec3add07 in bswap_32 (s=0x7ff6d8895c50, channel=<value optimized out>, pred_order=<value optimized out>) at /build/buildd/ffmpeg-0.5.1/libavutil/x86/bswap.h:42
#6  get_ur_golomb_jpegls (s=0x7ff6d8895c50, channel=<value optimized out>, pred_order=<value optimized out>) at /build/buildd/ffmpeg-0.5.1/libavcodec/golomb.h:287
#7  get_sr_golomb_flac (s=0x7ff6d8895c50, channel=<value optimized out>, pred_order=<value optimized out>) at /build/buildd/ffmpeg-0.5.1/libavcodec/golomb.h:329
#8  decode_residuals (s=0x7ff6d8895c50, channel=<value optimized out>, pred_order=<value optimized out>) at /build/buildd/ffmpeg-0.5.1/libavcodec/flacdec.c:294
#9  0x00007ff6ec3ae112 in decode_subframe_lpc (s=0x7ff6d8895c50, channel=0, pred_order=16) at /build/buildd/ffmpeg-0.5.1/libavcodec/flacdec.c:381
#10 0x00007ff6ec3aed75 in decode_subframe (avctx=<value optimized out>, data=<value optimized out>, data_size=<value optimized out>, buf=<value optimized out>, buf_size=<value optimized out>)
    at /build/buildd/ffmpeg-0.5.1/libavcodec/flacdec.c:459
#11 decode_frame (avctx=<value optimized out>, data=<value optimized out>, data_size=<value optimized out>, buf=<value optimized out>, buf_size=<value optimized out>)
    at /build/buildd/ffmpeg-0.5.1/libavcodec/flacdec.c:577
#12 flac_decode_frame (avctx=<value optimized out>, data=<value optimized out>, data_size=<value optimized out>, buf=<value optimized out>, buf_size=<value optimized out>)
    at /build/buildd/ffmpeg-0.5.1/libavcodec/flacdec.c:646
#13 0x00007ff6ec25d277 in avcodec_decode_audio2 (avctx=0x7ff6d88fbb80, samples=0x1a3, frame_size_ptr=0x11, buf=0x12cefd <Address 0x12cefd out of bounds>, buf_size=1024)
    at /build/buildd/ffmpeg-0.5.1/libavcodec/utils.c:573
#14 0x00007ff6ecbd40d9 in ?? () from /usr/lib/xine/plugins/1.27/xineplug_decode_ff.so
#15 0x00007ff6ee6e009a in ?? () from /usr/lib/libxine.so.1
#16 0x00007ff703e759ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#17 0x00007ff705a2b6cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#18 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7ff6c0162710 (LWP 2157)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ff6ee6e8f6b in ?? () from /usr/lib/libxine.so.1
#2  0x00007ff703e759ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#3  0x00007ff705a2b6cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ff708b18780 (LWP 2118)):
#0  0x00007ff705a1ef53 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ff6fd54229a in ?? () from /usr/lib/libxcb.so.1
#2  0x00007ff6fd543c2c in xcb_wait_for_reply () from /usr/lib/libxcb.so.1
#3  0x00007ff704fda8d3 in _XReply () from /usr/lib/libX11.so.6
#4  0x00007ff704fb6a45 in XGetImage () from /usr/lib/libX11.so.6
#5  0x00007ff706dcea43 in QX11PixmapData::toImage (this=0x2a0c6d0) at image/qpixmap_x11.cpp:1492
#6  0x00007ff706db6b60 in QPixmap::toImage (this=0x7fff7b28e340) at image/qpixmap.cpp:486
#7  0x00007ff7085a8643 in KPixmapCache::Private::writeData (this=0xf927a0, key=<value optimized out>, pix=<value optimized out>) at ../../kdeui/util/kpixmapcache.cpp:1474
#8  0x00007ff7085abccb in KPixmapCache::insert (this=0x17cdf60, key=..., pix=...) at ../../kdeui/util/kpixmapcache.cpp:1440
#9  0x00007ff707d83fc2 in SvgHandler::renderSvg (this=0x17cf2f0, name=<value optimized out>, keyname=<value optimized out>, width=471, height=36, element=...) at ../../src/SvgHandler.cpp:163
#10 0x00007ff707d84201 in SvgHandler::renderSvg (this=0x1, keyname=..., width=<value optimized out>, height=<value optimized out>, element=<value optimized out>) at ../../src/SvgHandler.cpp:171
#11 0x00007ff707a5a44d in Playlist::PrettyItemDelegate::paintItem (this=<value optimized out>, config=<value optimized out>, painter=<value optimized out>, option=<value optimized out>, index=..., 
    ignoreMarkers=<value optimized out>) at ../../src/playlist/view/listview/PrettyItemDelegate.cpp:309
#12 0x00007ff707a5c50d in Playlist::PrettyItemDelegate::paint (this=<value optimized out>, painter=0x7fff7b28eec0, option=..., index=<value optimized out>)
    at ../../src/playlist/view/listview/PrettyItemDelegate.cpp:155
#13 0x00007ff70721ee3a in QListView::paintEvent (this=<value optimized out>, e=<value optimized out>) at itemviews/qlistview.cpp:1044
#14 0x00007ff707a5e340 in Playlist::PrettyListView::paintEvent (this=0x2018090, event=0x7fff7b28fc20) at ../../src/playlist/view/listview/PrettyListView.cpp:578
#15 0x00007ff706d2a162 in QWidget::event (this=0x2018090, event=0x7fff7b28fc20) at kernel/qwidget.cpp:8144
#16 0x00007ff7070d14e6 in QFrame::event (this=0x2018090, e=0x7fff7b28fc20) at widgets/qframe.cpp:557
#17 0x00007ff70720026b in QAbstractItemView::viewportEvent (this=0x2018090, event=0x7fff7b28fc20) at itemviews/qabstractitemview.cpp:1610
#18 0x00007ff70635f487 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x2012160, event=0x7fff7b28fc20) at kernel/qcoreapplication.cpp:819
#19 0x00007ff706cd41fc in QApplicationPrivate::notify_helper (this=0xf8f730, receiver=0x2012160, e=0x7fff7b28fc20) at kernel/qapplication.cpp:4296
#20 0x00007ff706cda6fb in QApplication::notify (this=0x7fff7b2926b0, receiver=0x2012160, e=0x7fff7b28fc20) at kernel/qapplication.cpp:4183
#21 0x00007ff707d3a12a in App::notify (this=0x7fff7b28d6b0, receiver=0x1, event=0xffffffffffffffff) at ../../src/App.cpp:927
#22 0x00007ff70636006c in QCoreApplication::notifyInternal (this=0x7fff7b2926b0, receiver=0x2012160, event=0x7fff7b28fc20) at kernel/qcoreapplication.cpp:704
#23 0x00007ff706d327dd in QCoreApplication::sendSpontaneousEvent (this=0x2018570, pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized out>, sharedPainter=0x0, 
    backingStore=0x19325e0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#24 QWidgetPrivate::drawWidget (this=0x2018570, pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized out>, sharedPainter=0x0, backingStore=0x19325e0)
    at kernel/qwidget.cpp:5339
#25 0x00007ff706d33478 in QWidgetPrivate::paintSiblingsRecursive (this=<value optimized out>, pdev=<value optimized out>, siblings=..., index=0, rgn=<value optimized out>, 
    offset=<value optimized out>, flags=4, sharedPainter=0x0, backingStore=0x19325e0) at kernel/qwidget.cpp:5452
#26 0x00007ff706d332a9 in QWidgetPrivate::paintSiblingsRecursive (this=<value optimized out>, pdev=<value optimized out>, siblings=..., index=8, rgn=<value optimized out>, 
    offset=<value optimized out>, flags=4, sharedPainter=0x0, backingStore=0x19325e0) at kernel/qwidget.cpp:5439
#27 0x00007ff706d3253a in QWidgetPrivate::drawWidget (this=0x2018140, pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized out>, sharedPainter=0x0, 
    backingStore=0x19325e0) at kernel/qwidget.cpp:5388
#28 0x00007ff706d33478 in QWidgetPrivate::paintSiblingsRecursive (this=<value optimized out>, pdev=<value optimized out>, siblings=..., index=1, rgn=<value optimized out>, 
    offset=<value optimized out>, flags=4, sharedPainter=0x0, backingStore=0x19325e0) at kernel/qwidget.cpp:5452
#29 0x00007ff706d3253a in QWidgetPrivate::drawWidget (this=0x2017ba0, pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized out>, sharedPainter=0x0, 
    backingStore=0x19325e0) at kernel/qwidget.cpp:5388
#30 0x00007ff706d33478 in QWidgetPrivate::paintSiblingsRecursive (this=<value optimized out>, pdev=<value optimized out>, siblings=..., index=5, rgn=<value optimized out>, 
    offset=<value optimized out>, flags=4, sharedPainter=0x0, backingStore=0x19325e0) at kernel/qwidget.cpp:5452
#31 0x00007ff706d3253a in QWidgetPrivate::drawWidget (this=0x1ff9460, pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized out>, sharedPainter=0x0, 
    backingStore=0x19325e0) at kernel/qwidget.cpp:5388
#32 0x00007ff706d33478 in QWidgetPrivate::paintSiblingsRecursive (this=<value optimized out>, pdev=<value optimized out>, siblings=..., index=5, rgn=<value optimized out>, 
    offset=<value optimized out>, flags=4, sharedPainter=0x0, backingStore=0x19325e0) at kernel/qwidget.cpp:5452
#33 0x00007ff706d3253a in QWidgetPrivate::drawWidget (this=0x2033b00, pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized out>, sharedPainter=0x0, 
    backingStore=0x19325e0) at kernel/qwidget.cpp:5388
#34 0x00007ff706d33478 in QWidgetPrivate::paintSiblingsRecursive (this=<value optimized out>, pdev=<value optimized out>, siblings=..., index=81, rgn=<value optimized out>, 
    offset=<value optimized out>, flags=4, sharedPainter=0x0, backingStore=0x19325e0) at kernel/qwidget.cpp:5452
#35 0x00007ff706d332a9 in QWidgetPrivate::paintSiblingsRecursive (this=<value optimized out>, pdev=<value optimized out>, siblings=..., index=83, rgn=<value optimized out>, 
    offset=<value optimized out>, flags=4, sharedPainter=0x0, backingStore=0x19325e0) at kernel/qwidget.cpp:5439
#36 0x00007ff706d3253a in QWidgetPrivate::drawWidget (this=0x153cef0, pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized out>, sharedPainter=0x0, 
    backingStore=0x19325e0) at kernel/qwidget.cpp:5388
#37 0x00007ff706eec8c5 in QWidgetBackingStore::sync (this=0x19325e0) at painting/qbackingstore.cpp:1291
#38 0x00007ff706d23b60 in QWidgetPrivate::syncBackingStore (this=0x153cef0) at kernel/qwidget.cpp:1672
#39 0x00007ff706d2a865 in QWidget::event (this=0x151e0a0, event=0x29e98c0) at kernel/qwidget.cpp:8291
#40 0x00007ff7070eccab in QMainWindow::event (this=0x151e0a0, event=0x29e98c0) at widgets/qmainwindow.cpp:1433
#41 0x00007ff706cd422c in QApplicationPrivate::notify_helper (this=0xf8f730, receiver=0x151e0a0, e=0x29e98c0) at kernel/qapplication.cpp:4300
#42 0x00007ff706cda6fb in QApplication::notify (this=0x7fff7b2926b0, receiver=0x151e0a0, e=0x29e98c0) at kernel/qapplication.cpp:4183
#43 0x00007ff707d3a12a in App::notify (this=0x7fff7b28d6b0, receiver=0x1, event=0xffffffffffffffff) at ../../src/App.cpp:927
#44 0x00007ff70636006c in QCoreApplication::notifyInternal (this=0x7fff7b2926b0, receiver=0x151e0a0, event=0x29e98c0) at kernel/qcoreapplication.cpp:704
#45 0x00007ff7063627e7 in QCoreApplication::sendEvent (receiver=0x0, event_type=<value optimized out>, data=0xe459f0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#46 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0xe459f0) at kernel/qcoreapplication.cpp:1345
#47 0x00007ff7063899d3 in QCoreApplication::sendPostedEvents (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#48 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:276
#49 0x00007ff6feef98c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#50 0x00007ff6feefd748 in ?? () from /lib/libglib-2.0.so.0
#51 0x00007ff6feefd8fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#52 0x00007ff706389513 in QEventDispatcherGlib::processEvents (this=0xe45140, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#53 0x00007ff706d8446e in QGuiEventDispatcherGlib::processEvents (this=0x7fff7b28d6b0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#54 0x00007ff70635e992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#55 0x00007ff70635ed6c in QEventLoop::exec (this=0x7fff7b292650, flags=) at kernel/qeventloop.cpp:201
#56 0x00007ff706362aab in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#57 0x0000000000408782 in main (argc=1, argv=0x7fff7b294628) at ../../src/main.cpp:237

Possible duplicates by query: bug 234306, bug 227450, bug 224318, bug 220894, bug 219271.

Reported using DrKonqi