Bug 314159

Summary: Lancelot crashed while launching SQLite Database Browser
Product: [Unmaintained] plasma4 Reporter: wodencafe
Component: widget-lancelotAssignee: Ivan Čukić <ivan.cukic>
Status: RESOLVED DUPLICATE    
Severity: crash CC: wstephenson
Priority: NOR    
Version First Reported In: unspecified   
Target Milestone: ---   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:
Bug Depends on:    
Bug Blocks: 265359    

Description wodencafe 2013-01-30 20:28:52 UTC 
Application: lancelot (1.9.5)
KDE Platform Version: 4.9.4
Qt Version: 4.8.3
Operating System: Linux 3.7.5 x86_64
Distribution: Ubuntu 12.10

-- Information about the crash:
- What I was doing when the application crashed:
I had opened Lancelot, typed in "SQLITE" and selected the "SQLite Database Browser". Lancelot then crashed.

-- Backtrace:
Application: Lancelot (lancelot), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f8c7d164780 (LWP 2481))]

Thread 11 (Thread 0x7f8c61e7b700 (LWP 2482)):
#0  0x00007f8c794e1303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f8c71555d84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8c71555ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8c79c61c16 in QEventDispatcherGlib::processEvents (this=0x7f8c5c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f8c79c322bf in QEventLoop::processEvents (this=this@entry=0x7f8c61e7add0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f8c79c32548 in QEventLoop::exec (this=0x7f8c61e7add0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f8c79b33b10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f8c79c129af in QInotifyFileSystemWatcherEngine::run (this=0x20aa1e0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f8c79b36aec in QThreadPrivate::start (arg=0x20aa1e0) at thread/qthread_unix.cpp:338
#9  0x00007f8c71e62e9a in start_thread (arg=0x7f8c61e7b700) at pthread_create.c:308
#10 0x00007f8c794eccbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7f8c61450700 (LWP 2485)):
#0  0x00007f8c794e1303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f8c71555d84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8c71555ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8c79c61c16 in QEventDispatcherGlib::processEvents (this=0x7f8c540008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f8c79c322bf in QEventLoop::processEvents (this=this@entry=0x7f8c6144fdd0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f8c79c32548 in QEventLoop::exec (this=0x7f8c6144fdd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f8c79b33b10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f8c79c129af in QInotifyFileSystemWatcherEngine::run (this=0x22bf490) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f8c79b36aec in QThreadPrivate::start (arg=0x22bf490) at thread/qthread_unix.cpp:338
#9  0x00007f8c71e62e9a in start_thread (arg=0x7f8c61450700) at pthread_create.c:308
#10 0x00007f8c794eccbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7f8c4162d700 (LWP 2824)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f8c79b3704b in wait (time=18446744073709551615, this=0x236c5a0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2363150, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f8c750f10e1 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2449440, th=0x2a7ae80) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f8c750f392b in ThreadWeaver::WorkingHardState::applyForWork (this=0x2037780, th=0x2a7ae80) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f8c750f279f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7f8c4162ce00, parent=0x2449440, th=th@entry=0x2a7ae80) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f8c750f282b in ThreadWeaver::Thread::run (this=0x2a7ae80) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f8c79b36aec in QThreadPrivate::start (arg=0x2a7ae80) at thread/qthread_unix.cpp:338
#8  0x00007f8c71e62e9a in start_thread (arg=0x7f8c4162d700) at pthread_create.c:308
#9  0x00007f8c794eccbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f8c3bfff700 (LWP 2825)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f8c79b3704b in wait (time=18446744073709551615, this=0x236c5a0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2363150, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f8c750f10e1 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2449440, th=0x2a7b7d0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f8c750f392b in ThreadWeaver::WorkingHardState::applyForWork (this=0x2037780, th=0x2a7b7d0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f8c750f3944 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2037780, th=0x2a7b7d0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f8c750f279f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7f8c3bffee00, parent=0x2449440, th=th@entry=0x2a7b7d0) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f8c750f282b in ThreadWeaver::Thread::run (this=0x2a7b7d0) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f8c79b36aec in QThreadPrivate::start (arg=0x2a7b7d0) at thread/qthread_unix.cpp:338
#9  0x00007f8c71e62e9a in start_thread (arg=0x7f8c3bfff700) at pthread_create.c:308
#10 0x00007f8c794eccbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f8c40e2c700 (LWP 2826)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f8c79b3704b in wait (time=18446744073709551615, this=0x236c5a0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2363150, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f8c750f10e1 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2449440, th=0x2846b30) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f8c750f392b in ThreadWeaver::WorkingHardState::applyForWork (this=0x2037780, th=0x2846b30) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f8c750f3944 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2037780, th=0x2846b30) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f8c750f279f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7f8c40e2be00, parent=0x2449440, th=th@entry=0x2846b30) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f8c750f282b in ThreadWeaver::Thread::run (this=0x2846b30) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f8c79b36aec in QThreadPrivate::start (arg=0x2846b30) at thread/qthread_unix.cpp:338
#9  0x00007f8c71e62e9a in start_thread (arg=0x7f8c40e2c700) at pthread_create.c:308
#10 0x00007f8c794eccbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f8c3b7fe700 (LWP 2827)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f8c79b3704b in wait (time=18446744073709551615, this=0x236c5a0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2363150, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f8c750f10e1 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2449440, th=0x2761c40) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f8c750f392b in ThreadWeaver::WorkingHardState::applyForWork (this=0x2037780, th=0x2761c40) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f8c750f3944 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2037780, th=0x2761c40) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f8c750f279f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7f8c3b7fde00, parent=0x2449440, th=th@entry=0x2761c40) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f8c750f282b in ThreadWeaver::Thread::run (this=0x2761c40) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f8c79b36aec in QThreadPrivate::start (arg=0x2761c40) at thread/qthread_unix.cpp:338
#9  0x00007f8c71e62e9a in start_thread (arg=0x7f8c3b7fe700) at pthread_create.c:308
#10 0x00007f8c794eccbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f8c3affd700 (LWP 2828)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f8c79b3704b in wait (time=18446744073709551615, this=0x236c5a0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2363150, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f8c750f10e1 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2449440, th=0x1f5add0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f8c750f392b in ThreadWeaver::WorkingHardState::applyForWork (this=0x2037780, th=0x1f5add0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f8c750f3944 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2037780, th=0x1f5add0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f8c750f279f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7f8c3affce00, parent=0x2449440, th=th@entry=0x1f5add0) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f8c750f282b in ThreadWeaver::Thread::run (this=0x1f5add0) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f8c79b36aec in QThreadPrivate::start (arg=0x1f5add0) at thread/qthread_unix.cpp:338
#9  0x00007f8c71e62e9a in start_thread (arg=0x7f8c3affd700) at pthread_create.c:308
#10 0x00007f8c794eccbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f8c3a7fc700 (LWP 2829)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f8c79b3704b in wait (time=18446744073709551615, this=0x236c5a0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2363150, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f8c750f10e1 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2449440, th=0x24990e0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f8c750f392b in ThreadWeaver::WorkingHardState::applyForWork (this=0x2037780, th=0x24990e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f8c750f3944 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2037780, th=0x24990e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f8c750f279f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7f8c3a7fbe00, parent=0x2449440, th=th@entry=0x24990e0) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f8c750f282b in ThreadWeaver::Thread::run (this=0x24990e0) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f8c79b36aec in QThreadPrivate::start (arg=0x24990e0) at thread/qthread_unix.cpp:338
#9  0x00007f8c71e62e9a in start_thread (arg=0x7f8c3a7fc700) at pthread_create.c:308
#10 0x00007f8c794eccbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f8c39ffb700 (LWP 2830)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f8c79b3704b in wait (time=18446744073709551615, this=0x236c5a0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2363150, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f8c750f10e1 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2449440, th=0x278f1e0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f8c750f392b in ThreadWeaver::WorkingHardState::applyForWork (this=0x2037780, th=0x278f1e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f8c750f279f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7f8c39ffae00, parent=0x2449440, th=th@entry=0x278f1e0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f8c750f282b in ThreadWeaver::Thread::run (this=0x278f1e0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f8c79b36aec in QThreadPrivate::start (arg=0x278f1e0) at thread/qthread_unix.cpp:338
#8  0x00007f8c71e62e9a in start_thread (arg=0x7f8c39ffb700) at pthread_create.c:308
#9  0x00007f8c794eccbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f8c397fa700 (LWP 2831)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f8c79b3704b in wait (time=18446744073709551615, this=0x236c5a0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2363150, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f8c750f10e1 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2449440, th=0x2a8c680) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f8c750f392b in ThreadWeaver::WorkingHardState::applyForWork (this=0x2037780, th=0x2a8c680) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f8c750f3944 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2037780, th=0x2a8c680) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f8c750f279f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7f8c397f9e00, parent=0x2449440, th=th@entry=0x2a8c680) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f8c750f282b in ThreadWeaver::Thread::run (this=0x2a8c680) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f8c79b36aec in QThreadPrivate::start (arg=0x2a8c680) at thread/qthread_unix.cpp:338
#9  0x00007f8c71e62e9a in start_thread (arg=0x7f8c397fa700) at pthread_create.c:308
#10 0x00007f8c794eccbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f8c7d164780 (LWP 2481)):
[KCrash Handler]
#6  QReadWriteLock::~QReadWriteLock (this=0x25, __in_chrg=<optimized out>) at thread/qreadwritelock.cpp:137
#7  0x00007f8c7c77b75d in ~QueryMatchPrivate (this=<optimized out>, __in_chrg=<optimized out>) at ../../plasma/querymatch.cpp:72
#8  ~QSharedDataPointer (this=<optimized out>, __in_chrg=<optimized out>) at /usr/include/qt4/QtCore/qshareddata.h:90
#9  Plasma::QueryMatch::~QueryMatch (this=0x25, __in_chrg=<optimized out>) at ../../plasma/querymatch.cpp:100
#10 0x00007f8c7c78b56e in Plasma::RunnerManager::run (this=0x2325300, id=...) at ../../plasma/runnermanager.cpp:595
#11 0x00007f8c7bf2fbf3 in Lancelot::Models::Runner::activate (this=0x2346d60, index=<optimized out>) at ../../../libs/lancelot-datamodels/Runner.cpp:210
#12 0x00007f8c7c1aa11c in Lancelot::ActionListModel::activated (this=0x2346d60, index=0) at ../../../libs/lancelot/models/ActionListModel.cpp:86
#13 0x00007f8c7c1921fb in activate (index=0, this=0x2256060) at ../../../libs/lancelot/widgets/ActionListView.cpp:381
#14 Lancelot::ActionListViewItemFactory::activate (this=0x2256060, index=0) at ../../../libs/lancelot/widgets/ActionListView.cpp:376
#15 0x00007f8c7c1938d9 in Lancelot::ActionListViewItemFactory::itemActivated (this=0x2256060) at ../../../libs/lancelot/widgets/ActionListView.cpp:373
#16 0x00007f8c79c48f5f in QMetaObject::activate (sender=0x275a8f0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#17 0x00007f8c7c185e3f in Lancelot::ExtenderButton::activate (this=0x275a8f0) at ../../../libs/lancelot/widgets/ExtenderButton.cpp:419
#18 0x00007f8c79c48f5f in QMetaObject::activate (sender=0x275a8f0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#19 0x00007f8c7a994589 in QGraphicsItem::sceneEvent (this=0x275a900, event=0x7fffec656100) at graphicsview/qgraphicsitem.cpp:6741
#20 0x00007f8c7a9bd950 in sendMouseEvent (mouseEvent=0x7fffec656100, this=0x2089280) at graphicsview/qgraphicsscene.cpp:1295
#21 QGraphicsScenePrivate::sendMouseEvent (this=0x2089280, mouseEvent=0x7fffec656100) at graphicsview/qgraphicsscene.cpp:1274
#22 0x00007f8c7a9be345 in QGraphicsScene::mouseReleaseEvent (this=<optimized out>, mouseEvent=0x7fffec656100) at graphicsview/qgraphicsscene.cpp:4128
#23 0x00007f8c7a9d110c in QGraphicsScene::event (this=0x202eb70, event=0x7fffec656100) at graphicsview/qgraphicsscene.cpp:3458
#24 0x00007f8c7a3d3e9c in QApplicationPrivate::notify_helper (this=this@entry=0x1f78c20, receiver=receiver@entry=0x202eb70, e=e@entry=0x7fffec656100) at kernel/qapplication.cpp:4562
#25 0x00007f8c7a3d830a in QApplication::notify (this=0x1f4beb0, receiver=0x202eb70, e=0x7fffec656100) at kernel/qapplication.cpp:4423
#26 0x00007f8c7b5991d6 in KApplication::notify (this=0x1f4beb0, receiver=0x202eb70, event=0x7fffec656100) at ../../kdeui/kernel/kapplication.cpp:311
#27 0x00007f8c79c3356e in QCoreApplication::notifyInternal (this=0x1f4beb0, receiver=0x202eb70, event=0x7fffec656100) at kernel/qcoreapplication.cpp:915
#28 0x00007f8c7a9e74e1 in QGraphicsView::mouseReleaseEvent (this=0x202d9c0, event=0x7fffec656a80) at graphicsview/qgraphicsview.cpp:3338
#29 0x000000000040e567 in LancelotWindow::mouseReleaseEvent (this=0x202d9c0, e=0x7fffec656a80) at ../../../../applets/lancelot/application/LancelotWindow.cpp:712
#30 0x00007f8c7a423850 in QWidget::event (this=0x202d9c0, event=0x7fffec656a80) at kernel/qwidget.cpp:8371
#31 0x00007f8c7a7d2b66 in QFrame::event (this=0x202d9c0, e=0x7fffec656a80) at widgets/qframe.cpp:557
#32 0x00007f8c7a9ea95b in QGraphicsView::viewportEvent (this=0x202d9c0, event=0x7fffec656a80) at graphicsview/qgraphicsview.cpp:2866
#33 0x00007f8c79c336d6 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x20794f0, event=0x7fffec656a80) at kernel/qcoreapplication.cpp:1025
#34 0x00007f8c7a3d3e6c in QApplicationPrivate::notify_helper (this=this@entry=0x1f78c20, receiver=receiver@entry=0x20794f0, e=e@entry=0x7fffec656a80) at kernel/qapplication.cpp:4558
#35 0x00007f8c7a3d8b6b in QApplication::notify (this=<optimized out>, receiver=0x20794f0, e=0x7fffec656a80) at kernel/qapplication.cpp:4105
#36 0x00007f8c7b5991d6 in KApplication::notify (this=0x1f4beb0, receiver=0x20794f0, event=0x7fffec656a80) at ../../kdeui/kernel/kapplication.cpp:311
#37 0x00007f8c79c3356e in QCoreApplication::notifyInternal (this=0x1f4beb0, receiver=0x20794f0, event=0x7fffec656a80) at kernel/qcoreapplication.cpp:915
#38 0x00007f8c7a3d4cd3 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#39 QApplicationPrivate::sendMouseEvent (receiver=0x20794f0, event=0x7fffec656a80, alienWidget=0x20794f0, nativeWidget=0x202d9c0, buttonDown=0x7f8c7aeb0308 <qt_button_down>, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3173
#40 0x00007f8c7a452554 in QETWidget::translateMouseEvent (this=this@entry=0x202d9c0, event=event@entry=0x7fffec657200) at kernel/qapplication_x11.cpp:4622
#41 0x00007f8c7a45144f in QApplication::x11ProcessEvent (this=0x1f4beb0, event=0x7fffec657200) at kernel/qapplication_x11.cpp:3737
#42 0x00007f8c7a478fa2 in x11EventSourceDispatch (s=0x1f6bd90, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#43 0x00007f8c71555ab5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#44 0x00007f8c71555de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#45 0x00007f8c71555ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#46 0x00007f8c79c61bf6 in QEventDispatcherGlib::processEvents (this=0x1f1bad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#47 0x00007f8c7a478c1e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#48 0x00007f8c79c322bf in QEventLoop::processEvents (this=this@entry=0x7fffec6575d0, flags=...) at kernel/qeventloop.cpp:149
#49 0x00007f8c79c32548 in QEventLoop::exec (this=0x7fffec6575d0, flags=...) at kernel/qeventloop.cpp:204
#50 0x00007f8c79c37708 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#51 0x000000000040cdb5 in LancelotApplication::main (argc=<optimized out>, argv=<optimized out>) at ../../../../applets/lancelot/application/LancelotApplication.cpp:113
#52 0x00007f8c7941a76d in __libc_start_main (main=0x40cc60 <main(int, char**)>, argc=1, ubp_av=0x7fffec657748, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffec657738) at libc-start.c:226
#53 0x000000000040cde9 in _start ()

This bug may be a duplicate of or related to bug 314061.

Possible duplicates by query: bug 314061, bug 309371, bug 306989, bug 304633, bug 303689.

Reported using DrKonqi
Comment 1 Martin Flöser 2013-01-31 18:05:48 UTC 

*** This bug has been marked as a duplicate of bug 295033 ***
Comment 2 Christoph Feck 2013-02-02 21:19:28 UTC 
π bug