Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3) (Compiled from sources)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-14-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:
I was switching desktops and all of a sudden my desktop crashed

-- Backtrace:
Application: Plasma bureaublad-shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f5ae86d77a0 (LWP 1655))]

Thread 3 (Thread 0x7f5ac19a3700 (LWP 1657)):
#0  0x00007f5adc53508d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f5adc535dfd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5adc536429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5ae519cf3e in QEventDispatcherGlib::processEvents (this=0x1562820, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f5ae5170cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f5ae5170ef7 in QEventLoop::exec (this=0x7f5ac19a2db0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f5ae508827f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f5ae5153cbf in QInotifyFileSystemWatcherEngine::run (this=0x1831770) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f5ae508ad05 in QThreadPrivate::start (arg=0x1831770) at thread/qthread_unix.cpp:331
#9  0x00007f5add042efc in start_thread (arg=0x7f5ac19a3700) at pthread_create.c:304
#10 0x00007f5ae7fb789d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f5abab6e700 (LWP 1660)):
#0  0x00007f5ae7fab773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f5adc535f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5adc536429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5ae519cf3e in QEventDispatcherGlib::processEvents (this=0x210ef30, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f5ae5170cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f5ae5170ef7 in QEventLoop::exec (this=0x7f5abab6ddb0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f5ae508827f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f5ae5153cbf in QInotifyFileSystemWatcherEngine::run (this=0x2114c50) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f5ae508ad05 in QThreadPrivate::start (arg=0x2114c50) at thread/qthread_unix.cpp:331
#9  0x00007f5add042efc in start_thread (arg=0x7f5abab6e700) at pthread_create.c:304
#10 0x00007f5ae7fb789d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f5ae86d77a0 (LWP 1655)):
[KCrash Handler]
#6  KWindowInfo::valid (this=0x300001e, withdrawn_is_valid=true) at ../../kdeui/windowmanagement/kwindowinfo_x11.cpp:133
#7  0x00007f5acb510466 in TaskManager::Task::isOnCurrentDesktop (this=0x365a930) at ../../../libs/taskmanager/task.cpp:211
#8  0x00007f5ab709bc24 in TaskSource::updateDesktop (this=0x36d8470, desktop=<optimized out>) at ../../../../../plasma/generic/dataengines/tasks/tasksource.cpp:161
#9  0x00007f5ab709bf83 in TaskSource::qt_metacall (this=0x36d8470, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffd01d27d0) at ./tasksource.moc:82
#10 0x00007f5ae5184eba in QMetaObject::activate (sender=0x1c3c1b0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffd01d27d0) at kernel/qobject.cpp:3278
#11 0x00007f5acb51c681 in TaskManager::TaskManager::desktopChanged (this=<optimized out>, _t1=4) at ./taskmanager.moc:200
#12 0x00007f5acb51e1c7 in TaskManager::TaskManager::qt_metacall (this=0x1c3c1b0, _c=QMetaObject::InvokeMetaMethod, _id=11, _a=0x7fffd01d29a0) at ./taskmanager.moc:127
#13 0x00007f5ae5184eba in QMetaObject::activate (sender=0x13cc8e0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffd01d29a0) at kernel/qobject.cpp:3278
#14 0x00007f5ae5f56d9e in KWindowSystem::currentDesktopChanged (this=<optimized out>, _t1=4) at ./kwindowsystem.moc:122
#15 0x00007f5ae5f59293 in KWindowSystemPrivate::x11Event (this=0x14eb2b0, ev=0x7fffd01d2ab0) at ../../kdeui/windowmanagement/kwindowsystem_x11.cpp:175
#16 0x00007f5ae5e490a6 in publicX11Event (e=0x7fffd01d2ab0, this=<optimized out>) at ../../kdeui/kernel/ksystemeventfilter.cpp:43
#17 KSystemEventFilterPrivate::filterEvent (this=0x13cd820, message=0x7fffd01d2ab0) at ../../kdeui/kernel/ksystemeventfilter.cpp:102
#18 0x00007f5ae45ca388 in x11EventSourceDispatch (s=0x13c6330, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:143
#19 0x00007f5adc535a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f5adc536258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f5adc536429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f5ae519ced6 in QEventDispatcherGlib::processEvents (this=0x1345f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#23 0x00007f5ae45ca07e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007f5ae5170cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007f5ae5170ef7 in QEventLoop::exec (this=0x7fffd01d2e80, flags=...) at kernel/qeventloop.cpp:201
#26 0x00007f5ae5175789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#27 0x00007f5ae82b61a3 in kdemain (argc=1, argv=0x7fffd01d3268) at ../../../../plasma/desktop/shell/main.cpp:120
#28 0x00007f5ae7ef730d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fffd01d3268, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffd01d3258) at libc-start.c:226
#29 0x0000000000400671 in _start ()

Possible duplicates by query: bug 286353.

Reported using DrKonqi