Application: plasma-desktop (0.4) KDE Platform Version: 4.5.95 (4.6 RC2) Qt Version: 4.7.0 Operating System: Linux 2.6.35-25-generic-pae i686 Distribution: Ubuntu 10.10 -- Information about the crash: - What I was doing when the application crashed: I was using the mouse wheel on the pager to change virtual desktops. This crash occurs very frequently and usually when I switch from the last to the 1st and then to the 2nd virtual desktop. The crash can be reproduced some of the time. -- Backtrace: Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault [Current thread is 1 (Thread 0xb27da720 (LWP 26885))] Thread 4 (Thread 0xb196eb70 (LWP 26886)): #0 0xb7839424 in __kernel_vsyscall () #1 0xb76fddf6 in __poll (fds=0xb7794ff4, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87 #2 0xb3677a1b in g_poll (fds=0x9ef68e0, nfds=1, timeout=-1) at /build/buildd/glib2.0-2.26.1/glib/gpoll.c:132 #3 0xb366a43c in g_main_context_poll (context=0x9ef5398, block=<value optimized out>, dispatch=1, self=0x9f02dd8) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:3093 #4 g_main_context_iterate (context=0x9ef5398, block=<value optimized out>, dispatch=1, self=0x9f02dd8) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2775 #5 0xb366aba7 in g_main_loop_run (loop=0x9ef5420) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2988 #6 0xb1f7a9c4 in gdbus_shared_thread_func (data=0x0) at /build/buildd/glib2.0-2.26.1/gio/gdbusprivate.c:277 #7 0xb369148f in g_thread_create_proxy (data=0x9f02dd8) at /build/buildd/glib2.0-2.26.1/glib/gthread.c:1897 #8 0xb370ccc9 in start_thread (arg=0xb196eb70) at pthread_create.c:304 #9 0xb770c69e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130 Thread 3 (Thread 0xa9250b70 (LWP 26893)): #0 0xb36fbe36 in clock_gettime (clock_id=-1284505612, tp=0xa924ff80) at ../sysdeps/unix/clock_gettime.c:100 #1 0xb658c50b in do_gettime () at tools/qelapsedtimer_unix.cpp:105 #2 qt_gettime () at tools/qelapsedtimer_unix.cpp:119 #3 0xb66636e5 in QTimerInfoList::updateCurrentTime (this=0xa6999b4) at kernel/qeventdispatcher_unix.cpp:339 #4 0xb666372a in QTimerInfoList::timerWait (this=0xa6999b4, tm=...) at kernel/qeventdispatcher_unix.cpp:442 #5 0xb66617a8 in timerSourcePrepareHelper (src=<value optimized out>, timeout=0xa92500ac) at kernel/qeventdispatcher_glib.cpp:136 #6 0xb666183d in timerSourcePrepare (source=0x0, timeout=0xb36ffff4) at kernel/qeventdispatcher_glib.cpp:169 #7 0xb3669e6a in g_main_context_prepare (context=0xa6a1428, priority=0xa925012c) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2469 #8 0xb366a279 in g_main_context_iterate (context=0xa6a1428, block=<value optimized out>, dispatch=1, self=0xa6989e8) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2760 #9 0xb366a848 in g_main_context_iteration (context=0xa6a1428, may_block=1) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2843 #10 0xb666159f in QEventDispatcherGlib::processEvents (this=0xa548090, flags=...) at kernel/qeventdispatcher_glib.cpp:417 #11 0xb6631609 in QEventLoop::processEvents (this=0xa9250280, flags=) at kernel/qeventloop.cpp:149 #12 0xb6631a8a in QEventLoop::exec (this=0xa9250280, flags=...) at kernel/qeventloop.cpp:201 #13 0xb652db7e in QThread::exec (this=0xa697e40) at thread/qthread.cpp:490 #14 0xb661035b in QInotifyFileSystemWatcherEngine::run (this=0xa697e40) at io/qfilesystemwatcher_inotify.cpp:248 #15 0xb6530df9 in QThreadPrivate::start (arg=0xa697e40) at thread/qthread_unix.cpp:266 #16 0xb370ccc9 in start_thread (arg=0xa9250b70) at pthread_create.c:304 #17 0xb770c69e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130 Thread 2 (Thread 0xa8a4fb70 (LWP 26894)): #0 0xb7839424 in __kernel_vsyscall () #1 0xb76fddf6 in __poll (fds=0xb7794ff4, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87 #2 0xb3677a1b in g_poll (fds=0xa4748e0, nfds=1, timeout=-1) at /build/buildd/glib2.0-2.26.1/glib/gpoll.c:132 #3 0xb366a43c in g_main_context_poll (context=0xa6a3e40, block=<value optimized out>, dispatch=1, self=0xa599310) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:3093 #4 g_main_context_iterate (context=0xa6a3e40, block=<value optimized out>, dispatch=1, self=0xa599310) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2775 #5 0xb366a848 in g_main_context_iteration (context=0xa6a3e40, may_block=1) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2843 #6 0xb666159f in QEventDispatcherGlib::processEvents (this=0xa5f7930, flags=...) at kernel/qeventdispatcher_glib.cpp:417 #7 0xb6631609 in QEventLoop::processEvents (this=0xa8a4f2a0, flags=) at kernel/qeventloop.cpp:149 #8 0xb6631a8a in QEventLoop::exec (this=0xa8a4f2a0, flags=...) at kernel/qeventloop.cpp:201 #9 0xb652db7e in QThread::exec (this=0xa69f3d8) at thread/qthread.cpp:490 #10 0xb2fdf171 in Herqq::Upnp::HControlPointThread::run() () from /usr/lib/libHUpnp.so.0 #11 0xb6530df9 in QThreadPrivate::start (arg=0xa69f3d8) at thread/qthread_unix.cpp:266 #12 0xb370ccc9 in start_thread (arg=0xa8a4fb70) at pthread_create.c:304 #13 0xb770c69e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130 Thread 1 (Thread 0xb27da720 (LWP 26885)): [KCrash Handler] #7 0xae83c6aa in TaskItemLayout::preferredColumns (this=0xa561978) at ../../../../../plasma/desktop/applets/tasks/taskitemlayout.cpp:247 #8 0xae83cb2a in TaskItemLayout::gridLayoutSize (this=0xa561978) at ../../../../../plasma/desktop/applets/tasks/taskitemlayout.cpp:265 #9 0xae83cbec in TaskItemLayout::layoutItems (this=0xa561978) at ../../../../../plasma/desktop/applets/tasks/taskitemlayout.cpp:288 #10 0xae83d8b8 in TaskItemLayout::insert (this=0xa561978, index=0, item=0xaca3fd0) at ../../../../../plasma/desktop/applets/tasks/taskitemlayout.cpp:149 #11 0xae83daa7 in TaskItemLayout::addTaskItem (this=0xa561978, item=0xaca3fd0) at ../../../../../plasma/desktop/applets/tasks/taskitemlayout.cpp:102 #12 0xae84bbba in TaskGroupItem::itemAdded (this=0xa4f8658, groupableItem=0xa4a2148) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:510 #13 0xae84b02a in TaskGroupItem::reload (this=0xa4f8658) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:331 #14 0xae84b4bb in TaskGroupItem::setGroup (this=0xa4f8658, group=0xa4a1ef8) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:380 #15 0xae8358a1 in Tasks::reload (this=0xa2d3c20) at ../../../../../plasma/desktop/applets/tasks/tasks.cpp:266 #16 0xae836fc3 in Tasks::qt_metacall (this=0xa2d3c20, _c=QMetaObject::InvokeMetaMethod, _id=67, _a=0xbfd33a2c) at ./tasks.moc:99 #17 0xb66388ca in QMetaObject::metacall (object=0xa2d3c20, cl=QMetaObject::QueryPropertyEditable, idx=67, argv=0xbfd33a2c) at kernel/qmetaobject.cpp:237 #18 0xb664b6ad in QMetaObject::activate (sender=0xa4a0f78, m=0xae896bd0, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3280 #19 0xae868fe7 in TaskManager::GroupManager::reload (this=0xa4a0f78) at ./groupmanager.moc:130 #20 0xae86e35e in TaskManager::GroupManagerPrivate::actuallyReloadTasks (this=0xa4a0da0) at ../../../libs/taskmanager/groupmanager.cpp:189 #21 0xae86f93e in TaskManager::GroupManager::qt_metacall (this=0xa4a0f78, _c=QMetaObject::InvokeMetaMethod, _id=15, _a=0xbfd33bdc) at ./groupmanager.moc:118 #22 0xb66388ca in QMetaObject::metacall (object=0xa4a0f78, cl=QMetaObject::QueryPropertyEditable, idx=19, argv=0xbfd33bdc) at kernel/qmetaobject.cpp:237 #23 0xb664b6ad in QMetaObject::activate (sender=0xa4a0dd8, m=0xb67655a4, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3280 #24 0xb669d1e7 in QTimer::timeout (this=0xa4a0dd8) at .moc/release-shared/moc_qtimer.cpp:134 #25 0xb66511ce in QTimer::timerEvent (this=0xa4a0dd8, e=0xbfd34110) at kernel/qtimer.cpp:271 #26 0xb6645504 in QObject::event (this=0xa4a0dd8, e=0x0) at kernel/qobject.cpp:1183 #27 0xb5b31fdc in QApplicationPrivate::notify_helper (this=0x9ec69c8, receiver=0xa4a0dd8, e=0xbfd34110) at kernel/qapplication.cpp:4396 #28 0xb5b3804e in QApplication::notify (this=0x9eb9860, receiver=0xa4a0dd8, e=0xbfd34110) at kernel/qapplication.cpp:3798 #29 0xb6c93f8a in KApplication::notify (this=0x9eb9860, receiver=0xa4a0dd8, event=0xbfd34110) at ../../kdeui/kernel/kapplication.cpp:311 #30 0xb6632b3b in QCoreApplication::notifyInternal (this=0x9eb9860, receiver=0xa4a0dd8, event=0xbfd34110) at kernel/qcoreapplication.cpp:732 #31 0xb6664ad6 in sendEvent (this=0x9ec9284) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215 #32 QTimerInfoList::activateTimers (this=0x9ec9284) at kernel/qeventdispatcher_unix.cpp:602 #33 0xb6661874 in timerSourceDispatch (source=0x9ec9250) at kernel/qeventdispatcher_glib.cpp:184 #34 0xb3666855 in g_main_dispatch (context=0x9ec8a78) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2149 #35 g_main_context_dispatch (context=0x9ec8a78) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2702 #36 0xb366a668 in g_main_context_iterate (context=0x9ec8a78, block=<value optimized out>, dispatch=1, self=0x9ec5c98) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2780 #37 0xb366a848 in g_main_context_iteration (context=0x9ec8a78, may_block=1) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2843 #38 0xb6661565 in QEventDispatcherGlib::processEvents (this=0x9eb7608, flags=...) at kernel/qeventdispatcher_glib.cpp:415 #39 0xb5bf3be5 in QGuiEventDispatcherGlib::processEvents (this=0x9eb7608, flags=...) at kernel/qguieventdispatcher_glib.cpp:204 #40 0xb6631609 in QEventLoop::processEvents (this=0xbfd343d4, flags=) at kernel/qeventloop.cpp:149 #41 0xb6631a8a in QEventLoop::exec (this=0xbfd343d4, flags=...) at kernel/qeventloop.cpp:201 #42 0xb663600f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009 #43 0xb5b30e07 in QApplication::exec () at kernel/qapplication.cpp:3672 #44 0xb77f9fb7 in kdemain (argc=1, argv=0xbfd345e4) at ../../../../plasma/desktop/shell/main.cpp:118 #45 0x080485bb in main (argc=1, argv=0xbfd345e4) at plasma-desktop_dummy.cpp:3 Possible duplicates by query: bug 264079, bug 243357, bug 232960, bug 231252, bug 230061. Reported using DrKonqi
I got a similar crash with KDE 4.6.0 final: Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault [Current thread is 1 (Thread 0xb2993720 (LWP 3029))] Thread 3 (Thread 0xb1b27b70 (LWP 3030)): #0 0xb78a2424 in __kernel_vsyscall () #1 0xb7766df6 in __poll (fds=0xb77fdff4, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87 #2 0xb36eda1b in g_poll (fds=0x8dbe9b0, nfds=1, timeout=-1) at /build/buildd/glib2.0-2.26.1/glib/gpoll.c:132 #3 0xb36e043c in g_main_context_poll (context=0x8e15888, block=<value optimized out>, dispatch=1, self=0x8e15918) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:3093 #4 g_main_context_iterate (context=0x8e15888, block=<value optimized out>, dispatch=1, self=0x8e15918) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2775 #5 0xb36e0ba7 in g_main_loop_run (loop=0x8e15908) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2988 #6 0xb21339c4 in gdbus_shared_thread_func (data=0x0) at /build/buildd/glib2.0-2.26.1/gio/gdbusprivate.c:277 #7 0xb370748f in g_thread_create_proxy (data=0x8e15918) at /build/buildd/glib2.0-2.26.1/glib/gthread.c:1897 #8 0xb3782cc9 in start_thread (arg=0xb1b27b70) at pthread_create.c:304 #9 0xb777569e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130 Thread 2 (Thread 0xa938cb70 (LWP 3034)): #0 0xb7782f71 in pthread_mutex_unlock (mutex=0xb12004dc) at forward.c:184 #1 0xb36de4fb in g_main_context_release (context=0xb12004d8) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2298 #2 0xb36e0473 in g_main_context_iterate (context=0xb12004d8, block=<value optimized out>, dispatch=1, self=0xb1201a28) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2783 #3 0xb36e0848 in g_main_context_iteration (context=0xb12004d8, may_block=1) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2843 #4 0xb66c959f in QEventDispatcherGlib::processEvents (this=0x94fe1b0, flags=...) at kernel/qeventdispatcher_glib.cpp:417 #5 0xb6699609 in QEventLoop::processEvents (this=0xa938c280, flags=) at kernel/qeventloop.cpp:149 #6 0xb6699a8a in QEventLoop::exec (this=0xa938c280, flags=...) at kernel/qeventloop.cpp:201 #7 0xb6595b7e in QThread::exec (this=0x94fd120) at thread/qthread.cpp:490 #8 0xb667835b in QInotifyFileSystemWatcherEngine::run (this=0x94fd120) at io/qfilesystemwatcher_inotify.cpp:248 #9 0xb6598df9 in QThreadPrivate::start (arg=0x94fd120) at thread/qthread_unix.cpp:266 #10 0xb3782cc9 in start_thread (arg=0xa938cb70) at pthread_create.c:304 #11 0xb777569e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130 Thread 1 (Thread 0xb2993720 (LWP 3029)): [KCrash Handler] #7 0xae8f064a in TaskItemLayout::preferredColumns (this=0x9380980) at ../../../../../plasma/desktop/applets/tasks/taskitemlayout.cpp:247 #8 0xae8f0aca in TaskItemLayout::gridLayoutSize (this=0x9380980) at ../../../../../plasma/desktop/applets/tasks/taskitemlayout.cpp:265 #9 0xae8f0b8c in TaskItemLayout::layoutItems (this=0x9380980) at ../../../../../plasma/desktop/applets/tasks/taskitemlayout.cpp:288 #10 0xae8f1858 in TaskItemLayout::insert (this=0x9380980, index=0, item=0x9deaad8) at ../../../../../plasma/desktop/applets/tasks/taskitemlayout.cpp:149 #11 0xae8f1a47 in TaskItemLayout::addTaskItem (this=0x9380980, item=0x9deaad8) at ../../../../../plasma/desktop/applets/tasks/taskitemlayout.cpp:102 #12 0xae8ffcaa in TaskGroupItem::itemAdded (this=0x93805b0, groupableItem=0x93ec690) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:509 #13 0xae8ff11a in TaskGroupItem::reload (this=0x93805b0) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:330 #14 0xae8ff5ab in TaskGroupItem::setGroup (this=0x93805b0, group=0x9381828) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:379 #15 0xae8e9841 in Tasks::reload (this=0x91e9210) at ../../../../../plasma/desktop/applets/tasks/tasks.cpp:266 #16 0xae8eaf63 in Tasks::qt_metacall (this=0x91e9210, _c=QMetaObject::InvokeMetaMethod, _id=67, _a=0xbfa5664c) at ./tasks.moc:99 #17 0xb66a08ca in QMetaObject::metacall (object=0x91e9210, cl=24, idx=67, argv=0xbfa5664c) at kernel/qmetaobject.cpp:237 #18 0xb66b36ad in QMetaObject::activate (sender=0x937f728, m=0xae94abd0, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3280 #19 0xae91d237 in TaskManager::GroupManager::reload (this=0x937f728) at ./groupmanager.moc:130 #20 0xae92127e in TaskManager::GroupManagerPrivate::actuallyReloadTasks (this=0x937fca0) at ../../../libs/taskmanager/groupmanager.cpp:191 #21 0xae92392e in TaskManager::GroupManager::qt_metacall (this=0x937f728, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0xbfa567fc) at ./groupmanager.moc:117 #22 0xb66a08ca in QMetaObject::metacall (object=0x937f728, cl=24, idx=18, argv=0xbfa567fc) at kernel/qmetaobject.cpp:237 #23 0xb66b36ad in QMetaObject::activate (sender=0x937fcd8, m=0xb67cd5a4, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3280 #24 0xb67051e7 in QTimer::timeout (this=0x937fcd8) at .moc/release-shared/moc_qtimer.cpp:134 #25 0xb66b91ce in QTimer::timerEvent (this=0x937fcd8, e=0xbfa56d30) at kernel/qtimer.cpp:271 #26 0xb66ad504 in QObject::event (this=0x937fcd8, e=0x0) at kernel/qobject.cpp:1183 #27 0xb5b99fdc in QApplicationPrivate::notify_helper (this=0x8d91a40, receiver=0x937fcd8, e=0xbfa56d30) at kernel/qapplication.cpp:4396 #28 0xb5ba004e in QApplication::notify (this=0x8d85d70, receiver=0x937fcd8, e=0xbfa56d30) at kernel/qapplication.cpp:3798 #29 0xb6cfbf7a in KApplication::notify (this=0x8d85d70, receiver=0x937fcd8, event=0xbfa56d30) at ../../kdeui/kernel/kapplication.cpp:311 #30 0xb669ab3b in QCoreApplication::notifyInternal (this=0x8d85d70, receiver=0x937fcd8, event=0xbfa56d30) at kernel/qcoreapplication.cpp:732 #31 0xb66ccad6 in sendEvent (this=0x8d94644) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215 #32 QTimerInfoList::activateTimers (this=0x8d94644) at kernel/qeventdispatcher_unix.cpp:602 #33 0xb66c9874 in timerSourceDispatch (source=0x8d94610) at kernel/qeventdispatcher_glib.cpp:184 #34 0xb36dc855 in g_main_dispatch (context=0x8d4d388) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2149 #35 g_main_context_dispatch (context=0x8d4d388) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2702 #36 0xb36e0668 in g_main_context_iterate (context=0x8d4d388, block=<value optimized out>, dispatch=1, self=0x8d91a18) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2780 #37 0xb36e0848 in g_main_context_iteration (context=0x8d4d388, may_block=1) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2843 #38 0xb66c9565 in QEventDispatcherGlib::processEvents (this=0x8d843f0, flags=...) at kernel/qeventdispatcher_glib.cpp:415 #39 0xb5c5bbe5 in QGuiEventDispatcherGlib::processEvents (this=0x8d843f0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204 #40 0xb6699609 in QEventLoop::processEvents (this=0xbfa56ff4, flags=) at kernel/qeventloop.cpp:149 #41 0xb6699a8a in QEventLoop::exec (this=0xbfa56ff4, flags=...) at kernel/qeventloop.cpp:201 #42 0xb669e00f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009 #43 0xb5b98e07 in QApplication::exec () at kernel/qapplication.cpp:3672 #44 0xb7862fd7 in kdemain (argc=1, argv=0xbfa57204) at ../../../../plasma/desktop/shell/main.cpp:118 #45 0x080485bb in main (argc=1, argv=0xbfa57204) at plasma-desktop_dummy.cpp:3
[Comment from a bug triager] This was fixed recently: bug 264079. Regards *** This bug has been marked as a duplicate of bug 264079 ***