Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.85 (KDE 4.4.85 (KDE 4.5 Beta2))
Qt Version: 4.7.0
Operating System: Linux 2.6.32-23-generic x86_64
Distribution: Ubuntu 10.04 LTS

-- Information about the crash:
several craches on both KWin and Dolphin

The crash can be reproduced some of the time.

-- Backtrace:
Application: Plasma-werkgebied (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f440e692780 (LWP 2015))]

Thread 11 (Thread 0x7f43ee0c8710 (LWP 2024)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f4409ae190e in ?? () from /usr/lib/libQtWebKit.so.4
#2  0x00007f4409ae1a29 in ?? () from /usr/lib/libQtWebKit.so.4
#3  0x00007f440b2799ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#4  0x00007f440dfa76fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7f43e96de710 (LWP 2028)):
#0  0x00007f440df9af83 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f4402c304a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f4402c308fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007f440b6299c6 in QEventDispatcherGlib::processEvents (this=0x32a3180, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#4  0x00007f440b5fc5b2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f440b5fc98c in QEventLoop::exec (this=0x7f43e96ddd90, flags=) at kernel/qeventloop.cpp:201
#6  0x00007f440b5081cd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#7  0x00007f440b5dc4d8 in QInotifyFileSystemWatcherEngine::run (this=0x32cf9c0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f440b50b14e in QThreadPrivate::start (arg=0x32cf9c0) at thread/qthread_unix.cpp:266
#9  0x00007f440b2799ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007f440dfa76fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7f43e4972710 (LWP 2811)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f440b50bd0b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x2fe3730, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2fe3730, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f4407e65d84 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x31a24e0, th=0x4f8f2c0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f4407e68f8b in ThreadWeaver::WorkingHardState::applyForWork (this=0x2fe5e00, th=0x4f8f2c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f4407e674ff in ThreadWeaver::ThreadRunHelper::run (this=0x7f43e4971de0, parent=0x31a24e0, th=0x4f8f2c0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f4407e67a58 in ThreadWeaver::Thread::run (this=0x4f8f2c0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f440b50b14e in QThreadPrivate::start (arg=0x4f8f2c0) at thread/qthread_unix.cpp:266
#8  0x00007f440b2799ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#9  0x00007f440dfa76fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f43e3970710 (LWP 2812)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f440b50bd0b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x2fe3730, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2fe3730, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f4407e65d84 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x31a24e0, th=0x4f983f0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f4407e68f8b in ThreadWeaver::WorkingHardState::applyForWork (this=0x2fe5e00, th=0x4f983f0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f4407e674ff in ThreadWeaver::ThreadRunHelper::run (this=0x7f43e396fde0, parent=0x31a24e0, th=0x4f983f0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f4407e67a58 in ThreadWeaver::Thread::run (this=0x4f983f0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f440b50b14e in QThreadPrivate::start (arg=0x4f983f0) at thread/qthread_unix.cpp:266
#8  0x00007f440b2799ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#9  0x00007f440dfa76fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f43dcff0710 (LWP 2813)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f440b50bd0b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x2fe3730, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2fe3730, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f4407e65d84 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x31a24e0, th=0x4faa750) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f4407e68f8b in ThreadWeaver::WorkingHardState::applyForWork (this=0x2fe5e00, th=0x4faa750) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f4407e68fa4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2fe5e00, th=0x4faa750) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f4407e68fa4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2fe5e00, th=0x4faa750) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007f4407e68fa4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2fe5e00, th=0x4faa750) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#8  0x00007f4407e68fa4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2fe5e00, th=0x4faa750) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#9  0x00007f4407e674ff in ThreadWeaver::ThreadRunHelper::run (this=0x7f43dcfefde0, parent=0x31a24e0, th=0x4faa750) at ../../../threadweaver/Weaver/Thread.cpp:87
#10 0x00007f4407e67a58 in ThreadWeaver::Thread::run (this=0x4faa750) at ../../../threadweaver/Weaver/Thread.cpp:142
#11 0x00007f440b50b14e in QThreadPrivate::start (arg=0x4faa750) at thread/qthread_unix.cpp:266
#12 0x00007f440b2799ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#13 0x00007f440dfa76fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f43dc7ef710 (LWP 2814)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f440b50bd0b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x2fe3730, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2fe3730, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f4407e65d84 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x31a24e0, th=0x4fa84c0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f4407e68f8b in ThreadWeaver::WorkingHardState::applyForWork (this=0x2fe5e00, th=0x4fa84c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f4407e674ff in ThreadWeaver::ThreadRunHelper::run (this=0x7f43dc7eede0, parent=0x31a24e0, th=0x4fa84c0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f4407e67a58 in ThreadWeaver::Thread::run (this=0x4fa84c0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f440b50b14e in QThreadPrivate::start (arg=0x4fa84c0) at thread/qthread_unix.cpp:266
#8  0x00007f440b2799ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#9  0x00007f440dfa76fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f43da009710 (LWP 2815)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f440b50bd0b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x2fe3730, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2fe3730, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f4407e65d84 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x31a24e0, th=0x44cc5a0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f4407e68f8b in ThreadWeaver::WorkingHardState::applyForWork (this=0x2fe5e00, th=0x44cc5a0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f4407e68fa4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2fe5e00, th=0x44cc5a0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f4407e68fa4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2fe5e00, th=0x44cc5a0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007f4407e674ff in ThreadWeaver::ThreadRunHelper::run (this=0x7f43da008de0, parent=0x31a24e0, th=0x44cc5a0) at ../../../threadweaver/Weaver/Thread.cpp:87
#8  0x00007f4407e67a58 in ThreadWeaver::Thread::run (this=0x44cc5a0) at ../../../threadweaver/Weaver/Thread.cpp:142
#9  0x00007f440b50b14e in QThreadPrivate::start (arg=0x44cc5a0) at thread/qthread_unix.cpp:266
#10 0x00007f440b2799ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#11 0x00007f440dfa76fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f43d9808710 (LWP 2816)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f440b50bd0b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x2fe3730, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2fe3730, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f4407e65d84 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x31a24e0, th=0x5007a00) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f4407e68f8b in ThreadWeaver::WorkingHardState::applyForWork (this=0x2fe5e00, th=0x5007a00) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f4407e68fa4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2fe5e00, th=0x5007a00) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f4407e68fa4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2fe5e00, th=0x5007a00) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007f4407e674ff in ThreadWeaver::ThreadRunHelper::run (this=0x7f43d9807de0, parent=0x31a24e0, th=0x5007a00) at ../../../threadweaver/Weaver/Thread.cpp:87
#8  0x00007f4407e67a58 in ThreadWeaver::Thread::run (this=0x5007a00) at ../../../threadweaver/Weaver/Thread.cpp:142
#9  0x00007f440b50b14e in QThreadPrivate::start (arg=0x5007a00) at thread/qthread_unix.cpp:266
#10 0x00007f440b2799ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#11 0x00007f440dfa76fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f43d9007710 (LWP 2817)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f440b50bd0b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x2fe3730, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2fe3730, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f4407e65d84 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x31a24e0, th=0x2907b00) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f4407e68f8b in ThreadWeaver::WorkingHardState::applyForWork (this=0x2fe5e00, th=0x2907b00) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f4407e68fa4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2fe5e00, th=0x2907b00) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f4407e68fa4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x2fe5e00, th=0x2907b00) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007f4407e674ff in ThreadWeaver::ThreadRunHelper::run (this=0x7f43d9006de0, parent=0x31a24e0, th=0x2907b00) at ../../../threadweaver/Weaver/Thread.cpp:87
#8  0x00007f4407e67a58 in ThreadWeaver::Thread::run (this=0x2907b00) at ../../../threadweaver/Weaver/Thread.cpp:142
#9  0x00007f440b50b14e in QThreadPrivate::start (arg=0x2907b00) at thread/qthread_unix.cpp:266
#10 0x00007f440b2799ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#11 0x00007f440dfa76fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f43d8806710 (LWP 2818)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f440b50bd0b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x2fe3730, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2fe3730, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f4407e65d84 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x31a24e0, th=0x4e1caa0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f4407e68f8b in ThreadWeaver::WorkingHardState::applyForWork (this=0x2fe5e00, th=0x4e1caa0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f4407e674ff in ThreadWeaver::ThreadRunHelper::run (this=0x7f43d8805de0, parent=0x31a24e0, th=0x4e1caa0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f4407e67a58 in ThreadWeaver::Thread::run (this=0x4e1caa0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f440b50b14e in QThreadPrivate::start (arg=0x4e1caa0) at thread/qthread_unix.cpp:266
#8  0x00007f440b2799ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#9  0x00007f440dfa76fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f440e692780 (LWP 2015)):
[KCrash Handler]
#6  0x00007f440b505ccc in QMutex::lock (this=0x264fe80) at thread/qmutex.cpp:151
#7  0x00007f440b6109d7 in QMutexLocker (object=0x476b310) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:102
#8  QObjectPrivate::clearGuards (object=0x476b310) at kernel/qobject.cpp:496
#9  0x00007f440a7c4fa7 in ~QWidget (this=0x476b310, __in_chrg=<value optimized out>) at kernel/qwidget.cpp:1486
#10 0x00007f440abbe36c in ~QMenu (this=0x476b310, __in_chrg=<value optimized out>) at widgets/qmenu.cpp:1415
#11 0x00007f4403f4bfcc in DBusMenuImporter::~DBusMenuImporter() () from /usr/lib/libdbusmenu-qt.so.2
#12 0x00007f43efc234c3 in ~PlasmaDBusMenuImporter (this=0x264fe80, __in_chrg=<value optimized out>) at ../../../../../plasma/generic/dataengines/statusnotifieritem/statusnotifieritemsource.cpp:47
#13 0x00007f440b60f7ef in QObjectPrivate::deleteChildren (this=0x45070b0) at kernel/qobject.cpp:1957
#14 0x00007f440b616e8b in ~QObject (this=<value optimized out>, __in_chrg=<value optimized out>) at kernel/qobject.cpp:945
#15 0x00007f43efc1e4d3 in ~StatusNotifierItemSource (this=0x4506f10, __in_chrg=<value optimized out>) at ../../../../../plasma/generic/dataengines/statusnotifieritem/statusnotifieritemsource.cpp:105
#16 0x00007f440b60f7ef in QObjectPrivate::deleteChildren (this=0x2ccc900) at kernel/qobject.cpp:1957
#17 0x00007f440b616e8b in ~QObject (this=<value optimized out>, __in_chrg=<value optimized out>) at kernel/qobject.cpp:945
#18 0x00007f43efc1cb9e in ~StatusNotifierItemEngine (this=0x2cba2f0, __in_chrg=<value optimized out>) at ../../../../../plasma/generic/dataengines/statusnotifieritem/statusnotifieritem_engine.cpp:41
#19 0x00007f440dae668e in ~DataEngineManagerPrivate (this=0x2d35ff0, __in_chrg=<value optimized out>) at ../../plasma/dataenginemanager.cpp:54
#20 ~DataEngineManager (this=0x2d35ff0, __in_chrg=<value optimized out>) at ../../plasma/dataenginemanager.cpp:93
#21 0x00007f440dae6817 in ~DataEngineManagerSingleton () at ../../plasma/dataenginemanager.cpp:74
#22 destroy () at ../../plasma/dataenginemanager.cpp:79
#23 0x00007f440defa262 in __run_exit_handlers (status=1) at exit.c:78
#24 *__GI_exit (status=1) at exit.c:100
#25 0x00007f440a7e0f08 in qt_xio_errhandler () at kernel/qapplication_x11.cpp:745
#26 0x00007f440c2b19b8 in KApplication::xioErrhandler (this=0x25fa2d0, dpy=0x2626600) at ../../kdeui/kernel/kapplication.cpp:408
#27 0x00007f440cb2a7fe in _XIOError (dpy=0x2626600) at ../../src/XlibInt.c:3138
#28 0x00007f440cb32355 in process_responses (dpy=0x2626600, wait_for_first_event=<value optimized out>, current_error=<value optimized out>, current_request=0) at ../../src/xcb_io.c:247
#29 0x00007f440cb32c07 in _XEventsQueued (dpy=0x2626600, mode=<value optimized out>) at ../../src/xcb_io.c:263
#30 0x00007f440cb1b40b in XEventsQueued (dpy=0x2626600, mode=2) at ../../src/Pending.c:44
#31 0x00007f440a81c017 in x11EventSourcePrepare (s=0x2613eb0, timeout=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:79
#32 0x00007f4402c2feb1 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#33 0x00007f4402c30318 in ?? () from /lib/libglib-2.0.so.0
#34 0x00007f4402c308fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#35 0x00007f440b629973 in QEventDispatcherGlib::processEvents (this=0x25de790, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#36 0x00007f440a81bdee in QGuiEventDispatcherGlib::processEvents (this=0x264fe80, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#37 0x00007f440b5fc5b2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#38 0x00007f440b5fc98c in QEventLoop::exec (this=0x7fff7705a300, flags=) at kernel/qeventloop.cpp:201
#39 0x00007f440b600a3b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#40 0x00007f440e2806f6 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/desktop/shell/main.cpp:118
#41 0x00007f440dedfc4d in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=0x7fff7705a6c8) at libc-start.c:226
#42 0x00000000004006c9 in _start ()

Reported using DrKonqi