Bug 310803

Application: plasma-desktop (0.4)
KDE Platform Version: 4.9.3
Qt Version: 4.8.3
Operating System: Linux 3.5.0-19-generic x86_64
Distribution: Ubuntu 12.10

-- Information about the crash:
- What I was doing when the application crashed:
I've created a new document, and i've noticed the crash trying to open the document with calligra
- Unusual behavior I noticed:

-- Backtrace:
Application: Shell del desktop di Plasma (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f644461e7c0 (LWP 13938))]

Thread 12 (Thread 0x7f642415d700 (LWP 13939)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f643dc09cd7 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f643dc09d09 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f64354db764 in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#4  0x00007f64382a2e9a in start_thread (arg=0x7f642415d700) at pthread_create.c:308
#5  0x00007f6443f0fcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7f641c0a3700 (LWP 13940)):
#0  0x00007f6443f04303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f6437ba3d84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6437ba3ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6440bb2c16 in QEventDispatcherGlib::processEvents (this=0x7f64140008f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f6440b832bf in QEventLoop::processEvents (this=this@entry=0x7f641c0a2cd0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f6440b83548 in QEventLoop::exec (this=0x7f641c0a2cd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f6440a84b10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f6440b639af in QInotifyFileSystemWatcherEngine::run (this=0x2b4b8a0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f6440a87aec in QThreadPrivate::start (arg=0x2b4b8a0) at thread/qthread_unix.cpp:338
#9  0x00007f64354db764 in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#10 0x00007f64382a2e9a in start_thread (arg=0x7f641c0a3700) at pthread_create.c:308
#11 0x00007f6443f0fcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7f641abaf700 (LWP 13941)):
#0  0x00007f6443f04303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f6437ba3d84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6437ba3ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6440bb2c16 in QEventDispatcherGlib::processEvents (this=0x7f640c0008f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f6440b832bf in QEventLoop::processEvents (this=this@entry=0x7f641abaecd0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f6440b83548 in QEventLoop::exec (this=0x7f641abaecd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f6440a84b10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f6440b639af in QInotifyFileSystemWatcherEngine::run (this=0x244a5b0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f6440a87aec in QThreadPrivate::start (arg=0x244a5b0) at thread/qthread_unix.cpp:338
#9  0x00007f64354db764 in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#10 0x00007f64382a2e9a in start_thread (arg=0x7f641abaf700) at pthread_create.c:308
#11 0x00007f6443f0fcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7f641fd76700 (LWP 14323)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f6440a8804b in wait (time=18446744073709551615, this=0x2be9850) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2c07a80, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f643ce8e0e1 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2d00a20, th=0x493f970) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f643ce9092b in ThreadWeaver::WorkingHardState::applyForWork (this=0x280fe50, th=0x493f970) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f643ce90944 in ThreadWeaver::WorkingHardState::applyForWork (this=0x280fe50, th=0x493f970) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f643ce8f79f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7f641fd75d00, parent=0x2d00a20, th=th@entry=0x493f970) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f643ce8f82b in ThreadWeaver::Thread::run (this=0x493f970) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f6440a87aec in QThreadPrivate::start (arg=0x493f970) at thread/qthread_unix.cpp:338
#9  0x00007f64354db764 in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#10 0x00007f64382a2e9a in start_thread (arg=0x7f641fd76700) at pthread_create.c:308
#11 0x00007f6443f0fcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f641e4f9700 (LWP 14324)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f6440a8804b in wait (time=18446744073709551615, this=0x2be9850) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2c07a80, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f643ce8e0e1 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2d00a20, th=0x4907c80) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f643ce9092b in ThreadWeaver::WorkingHardState::applyForWork (this=0x280fe50, th=0x4907c80) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f643ce90944 in ThreadWeaver::WorkingHardState::applyForWork (this=0x280fe50, th=0x4907c80) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f643ce8f79f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7f641e4f8d00, parent=0x2d00a20, th=th@entry=0x4907c80) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f643ce8f82b in ThreadWeaver::Thread::run (this=0x4907c80) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f6440a87aec in QThreadPrivate::start (arg=0x4907c80) at thread/qthread_unix.cpp:338
#9  0x00007f64354db764 in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#10 0x00007f64382a2e9a in start_thread (arg=0x7f641e4f9700) at pthread_create.c:308
#11 0x00007f6443f0fcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f6410fcc700 (LWP 14325)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f6440a8804b in wait (time=18446744073709551615, this=0x2be9850) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2c07a80, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f643ce8e0e1 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2d00a20, th=0x4937c10) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f643ce9092b in ThreadWeaver::WorkingHardState::applyForWork (this=0x280fe50, th=0x4937c10) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f643ce8f79f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7f6410fcbd00, parent=0x2d00a20, th=th@entry=0x4937c10) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f643ce8f82b in ThreadWeaver::Thread::run (this=0x4937c10) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f6440a87aec in QThreadPrivate::start (arg=0x4937c10) at thread/qthread_unix.cpp:338
#8  0x00007f64354db764 in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#9  0x00007f64382a2e9a in start_thread (arg=0x7f6410fcc700) at pthread_create.c:308
#10 0x00007f6443f0fcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f6402f86700 (LWP 14326)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f6440a8804b in wait (time=18446744073709551615, this=0x2be9850) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2c07a80, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f643ce8e0e1 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2d00a20, th=0x2e3c5c0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f643ce9092b in ThreadWeaver::WorkingHardState::applyForWork (this=0x280fe50, th=0x2e3c5c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f643ce8f79f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7f6402f85d00, parent=0x2d00a20, th=th@entry=0x2e3c5c0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f643ce8f82b in ThreadWeaver::Thread::run (this=0x2e3c5c0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f6440a87aec in QThreadPrivate::start (arg=0x2e3c5c0) at thread/qthread_unix.cpp:338
#8  0x00007f64354db764 in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#9  0x00007f64382a2e9a in start_thread (arg=0x7f6402f86700) at pthread_create.c:308
#10 0x00007f6443f0fcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f6402785700 (LWP 14327)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f6440a8804b in wait (time=18446744073709551615, this=0x2be9850) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2c07a80, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f643ce8e0e1 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2d00a20, th=0x4955110) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f643ce9092b in ThreadWeaver::WorkingHardState::applyForWork (this=0x280fe50, th=0x4955110) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f643ce8f79f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7f6402784d00, parent=0x2d00a20, th=th@entry=0x4955110) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f643ce8f82b in ThreadWeaver::Thread::run (this=0x4955110) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f6440a87aec in QThreadPrivate::start (arg=0x4955110) at thread/qthread_unix.cpp:338
#8  0x00007f64354db764 in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#9  0x00007f64382a2e9a in start_thread (arg=0x7f6402785700) at pthread_create.c:308
#10 0x00007f6443f0fcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f6401f7c700 (LWP 14480)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f6440a8804b in wait (time=18446744073709551615, this=0x2be9850) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2c07a80, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f643ce8e0e1 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2d00a20, th=0x4a119e0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f643ce9092b in ThreadWeaver::WorkingHardState::applyForWork (this=0x280fe50, th=0x4a119e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f643ce8f79f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7f6401f7bd00, parent=0x2d00a20, th=th@entry=0x4a119e0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f643ce8f82b in ThreadWeaver::Thread::run (this=0x4a119e0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f6440a87aec in QThreadPrivate::start (arg=0x4a119e0) at thread/qthread_unix.cpp:338
#8  0x00007f64354db764 in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#9  0x00007f64382a2e9a in start_thread (arg=0x7f6401f7c700) at pthread_create.c:308
#10 0x00007f6443f0fcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f640177b700 (LWP 14481)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f6440a8804b in wait (time=18446744073709551615, this=0x2be9850) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2c07a80, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f643ce8e0e1 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2d00a20, th=0x4e9e250) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f643ce9092b in ThreadWeaver::WorkingHardState::applyForWork (this=0x280fe50, th=0x4e9e250) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f643ce90944 in ThreadWeaver::WorkingHardState::applyForWork (this=0x280fe50, th=0x4e9e250) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f643ce8f79f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7f640177ad00, parent=0x2d00a20, th=th@entry=0x4e9e250) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f643ce8f82b in ThreadWeaver::Thread::run (this=0x4e9e250) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f6440a87aec in QThreadPrivate::start (arg=0x4e9e250) at thread/qthread_unix.cpp:338
#9  0x00007f64354db764 in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#10 0x00007f64382a2e9a in start_thread (arg=0x7f640177b700) at pthread_create.c:308
#11 0x00007f6443f0fcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f6400f7a700 (LWP 14482)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f6440a8804b in wait (time=18446744073709551615, this=0x2be9850) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2c07a80, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f643ce8e0e1 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2d00a20, th=0x4a5ffe0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f643ce9092b in ThreadWeaver::WorkingHardState::applyForWork (this=0x280fe50, th=0x4a5ffe0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f643ce90944 in ThreadWeaver::WorkingHardState::applyForWork (this=0x280fe50, th=0x4a5ffe0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f643ce90944 in ThreadWeaver::WorkingHardState::applyForWork (this=0x280fe50, th=0x4a5ffe0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007f643ce8f79f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7f6400f79d00, parent=0x2d00a20, th=th@entry=0x4a5ffe0) at ../../../threadweaver/Weaver/Thread.cpp:87
#8  0x00007f643ce8f82b in ThreadWeaver::Thread::run (this=0x4a5ffe0) at ../../../threadweaver/Weaver/Thread.cpp:142
#9  0x00007f6440a87aec in QThreadPrivate::start (arg=0x4a5ffe0) at thread/qthread_unix.cpp:338
#10 0x00007f64354db764 in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#11 0x00007f64382a2e9a in start_thread (arg=0x7f6400f7a700) at pthread_create.c:308
#12 0x00007f6443f0fcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f644461e7c0 (LWP 13938)):
[KCrash Handler]
#6  0x00007f64435c91ec in operator= (o=..., this=0x70) at /usr/include/qt4/QtCore/qshareddata.h:95
#7  KFileMetaInfo::operator= (this=0x70, kfmi=...) at ../../kio/kio/kfilemetainfo.cpp:318
#8  0x00007f64435b5432 in KFileItem::metaInfo (this=0x3750ec0, autoget=<optimized out>, what=12) at ../../kio/kio/kfileitem.cpp:1443
#9  0x00007f642461f8e8 in ?? () from /usr/lib/kde4/plasma_applet_folderview.so
#10 0x00007f6424621df5 in ?? () from /usr/lib/kde4/plasma_applet_folderview.so
#11 0x00007f642462208e in ?? () from /usr/lib/kde4/plasma_applet_folderview.so
#12 0x00007f6440b8c987 in QMetaMethod::invoke (this=this@entry=0x7fff293409f0, object=object@entry=0x3750e80, connectionType=Qt::DirectConnection, connectionType@entry=Qt::AutoConnection, returnValue=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1664
#13 0x00007f6440b8ed5c in QMetaObject::invokeMethod (obj=0x3750e80, member=<optimized out>, type=Qt::AutoConnection, ret=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1179
#14 0x00007f6443ad3439 in invokeMethod (val9=..., val8=..., val7=..., val6=..., val5=..., val4=..., val3=..., val2=..., val1=..., val0=..., member=0x7f6443ba683c "toolTipAboutToShow", obj=0x3750e80) at /usr/include/qt4/QtCore/qobjectdefs.h:434
#15 Plasma::ToolTipManagerPrivate::showToolTip (this=0x22e2870) at ../../plasma/tooltipmanager.cpp:387
#16 0x00007f6443ad3829 in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at ./tooltipmanager.moc:65
#17 Plasma::ToolTipManager::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./tooltipmanager.moc:57
#18 0x00007f6440b99f5f in QMetaObject::activate (sender=0x22e2410, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#19 0x00007f6440b9926c in QObject::event (this=0x22e2410, e=<optimized out>) at kernel/qobject.cpp:1157
#20 0x00007f643ff2be9c in QApplicationPrivate::notify_helper (this=this@entry=0x21707c0, receiver=receiver@entry=0x22e2410, e=e@entry=0x7fff293415f0) at kernel/qapplication.cpp:4562
#21 0x00007f643ff3030a in QApplication::notify (this=0x212d6b0, receiver=0x22e2410, e=0x7fff293415f0) at kernel/qapplication.cpp:4423
#22 0x00007f644183d1d6 in KApplication::notify (this=0x212d6b0, receiver=0x22e2410, event=0x7fff293415f0) at ../../kdeui/kernel/kapplication.cpp:311
#23 0x00007f6440b8456e in QCoreApplication::notifyInternal (this=0x212d6b0, receiver=0x22e2410, event=0x7fff293415f0) at kernel/qcoreapplication.cpp:915
#24 0x00007f6440bb5462 in sendEvent (event=0x7fff293415f0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#25 QTimerInfoList::activateTimers (this=0x2178880) at kernel/qeventdispatcher_unix.cpp:611
#26 0x00007f6440bb2584 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:186
#27 timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:180
#28 0x00007f6440bb25a1 in idleTimerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:233
#29 0x00007f6437ba3ab5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f6437ba3de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f6437ba3ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007f6440bb2bf6 in QEventDispatcherGlib::processEvents (this=0x2062ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#33 0x00007f643ffd0c1e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#34 0x00007f6440b832bf in QEventLoop::processEvents (this=this@entry=0x7fff29341870, flags=...) at kernel/qeventloop.cpp:149
#35 0x00007f6440b83548 in QEventLoop::exec (this=0x7fff29341870, flags=...) at kernel/qeventloop.cpp:204
#36 0x00007f6440b88708 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#37 0x00007f6444216035 in kdemain (argc=1, argv=0x7fff29341b68) at ../../../../plasma/desktop/shell/main.cpp:120
#38 0x00007f6443e3d76d in __libc_start_main (main=0x4006a0 <main(int, char**)>, argc=1, ubp_av=0x7fff29341b68, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff29341b58) at libc-start.c:226
#39 0x00000000004006d1 in _start ()

Possible duplicates by query: bug 307974, bug 300308, bug 299726, bug 294089.

Reported using DrKonqi