Bug 289013

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.2 (4.7.2)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-14-generic-pae i686
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:
I tried to close firefox from the taskbark.

- Unusual behavior I noticed:
There was a firefox window on the taskbar even though I had allready closed it.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb1f9cb20 (LWP 1824))]

Thread 5 (Thread 0xb07c8b70 (LWP 1825)):
#0  0xb782f424 in __kernel_vsyscall ()
#1  0xb76d340e in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0xb2fc734b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2fb8896 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2fb8c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb652fb37 in QEventDispatcherGlib::processEvents (this=0xa6a62a0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0xb65001dd in QEventLoop::processEvents (this=0xb07c82a0, flags=...) at kernel/qeventloop.cpp:149
#7  0xb6500421 in QEventLoop::exec (this=0xb07c82a0, flags=...) at kernel/qeventloop.cpp:201
#8  0xb640390b in QThread::exec (this=0xa6a65e8) at thread/qthread.cpp:498
#9  0xb64e0e2d in QInotifyFileSystemWatcherEngine::run (this=0xa6a65e8) at io/qfilesystemwatcher_inotify.cpp:248
#10 0xb64067b3 in QThreadPrivate::start (arg=0xa6a65e8) at thread/qthread_unix.cpp:331
#11 0xb30d2d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb76e20ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 4 (Thread 0xa830db70 (LWP 1829)):
#0  0xb3072d10 in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0xb645d7d5 in do_gettime (frac=0xa830d010, sec=0xa830d008) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0xb65304b6 in QTimerInfoList::updateCurrentTime (this=0xaf37b34) at kernel/qeventdispatcher_unix.cpp:339
#4  0xb653080a in QTimerInfoList::timerWait (this=0xaf37b34, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0xb652f053 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xa830d11c) at kernel/qeventdispatcher_glib.cpp:136
#6  0xb652f0ed in timerSourcePrepare (source=0xaf37b00, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0xb2fb788c in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb2fb8637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0xb2fb8c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0xb652fb37 in QEventDispatcherGlib::processEvents (this=0xaf37700, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0xb65001dd in QEventLoop::processEvents (this=0xa830d2a0, flags=...) at kernel/qeventloop.cpp:149
#12 0xb6500421 in QEventLoop::exec (this=0xa830d2a0, flags=...) at kernel/qeventloop.cpp:201
#13 0xb640390b in QThread::exec (this=0xaf33ed8) at thread/qthread.cpp:498
#14 0xb64e0e2d in QInotifyFileSystemWatcherEngine::run (this=0xaf33ed8) at io/qfilesystemwatcher_inotify.cpp:248
#15 0xb64067b3 in QThreadPrivate::start (arg=0xaf33ed8) at thread/qthread_unix.cpp:331
#16 0xb30d2d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#17 0xb76e20ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 3 (Thread 0xa6d47b70 (LWP 1834)):
#0  0xb782f424 in __kernel_vsyscall ()
#1  0xb76d340e in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0xb2fc734b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2fb8896 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2fb8f9b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xa7609cea in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#6  0xb2fdf5f4 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0xb30d2d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0xb76e20ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 2 (Thread 0xa5f67b70 (LWP 1835)):
#0  0xb782f424 in __kernel_vsyscall ()
#1  0xb30d6a5c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb76efcfc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb3f819a9 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0xb3f819ef in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0xb30d2d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0xb76e20ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb1f9cb20 (LWP 1824)):
[KCrash Handler]
#7  TaskManager::Task::classClass (this=0x0) at ../../../libs/taskmanager/task_x11.cpp:74
#8  0xb093f739 in TaskManager::ToggleLauncherActionImpl::ToggleLauncherActionImpl (this=0xc2877f8, parent=0xaa66200, item=0xaf53860, strategy=0xacb22e0) at ../../../libs/taskmanager/taskactions.cpp:351
#9  0xb093fc9b in TaskManager::AdvancedMenu::AdvancedMenu (this=0xaa66200, parent=0xc1837b0, item=0xaf53860, strategy=0xacb22e0) at ../../../libs/taskmanager/taskactions.cpp:295
#10 0xb0940afb in TaskManager::BasicMenu::BasicMenu (this=0xc1837b0, parent=0xbf97bc34, item=0xaf53860, strategy=0xacb22e0, visualizationActions=...) at ../../../libs/taskmanager/taskactions.cpp:440
#11 0xb094120b in TaskManager::BasicMenu::BasicMenu (this=0xbf97bc34, parent=0x0, group=0xa96a6c8, strategy=0xacb22e0, visualizationActions=...) at ../../../libs/taskmanager/taskactions.cpp:462
#12 0xb09a8def in contextMenuEvent (e=0xbf97c1dc, this=0xc4965c0) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:436
#13 TaskGroupItem::contextMenuEvent (this=0xc4965c0, e=0xbf97c1dc) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:404
#14 0xb608e7e3 in QGraphicsItem::sceneEvent (this=0xc4965c8, event=0xbf97c1dc) at graphicsview/qgraphicsitem.cpp:6700
#15 0xb60eb806 in QGraphicsWidget::sceneEvent (this=0xc4965c0, event=0xbf97c1dc) at graphicsview/qgraphicswidget.cpp:1223
#16 0xb60b7c7e in sendEvent (event=0xbf97c1dc, item=0xc4965c8, this=<optimized out>) at graphicsview/qgraphicsscene.cpp:1217
#17 QGraphicsScenePrivate::sendEvent (this=0x9e219a8, item=0xc4965c8, event=0xbf97c1dc) at graphicsview/qgraphicsscene.cpp:1193
#18 0xb60b83f8 in QGraphicsScene::contextMenuEvent (this=0x9d37ad8, contextMenuEvent=0xbf97c1dc) at graphicsview/qgraphicsscene.cpp:3609
#19 0xb60c7abc in QGraphicsScene::event (this=0x9d37ad8, event=0xbf97c1dc) at graphicsview/qgraphicsscene.cpp:3407
#20 0xb5a2cd54 in notify_helper (e=0xbf97c1dc, receiver=0x9d37ad8, this=0x9d39900) at kernel/qapplication.cpp:4486
#21 QApplicationPrivate::notify_helper (this=0x9d39900, receiver=0x9d37ad8, e=0xbf97c1dc) at kernel/qapplication.cpp:4458
#22 0xb5a32103 in QApplication::notify (this=0xbf97c1dc, receiver=0x9d37ad8, e=0xbf97c1dc) at kernel/qapplication.cpp:3886
#23 0xb6b66681 in KApplication::notify (this=0x9d21668, receiver=0x9d37ad8, event=0xbf97c1dc) at ../../kdeui/kernel/kapplication.cpp:311
#24 0xb650119e in QCoreApplication::notifyInternal (this=0x9d21668, receiver=0x9d37ad8, event=0xbf97c1dc) at kernel/qcoreapplication.cpp:787
#25 0xb60e01b6 in sendEvent (event=0xbf97c1cc, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#26 QGraphicsView::contextMenuEvent (this=0xb2126f0, event=0xbf97c794) at graphicsview/qgraphicsview.cpp:2890
#27 0xb5a87d23 in QWidget::event (this=0xb2126f0, event=0xbf97c794) at kernel/qwidget.cpp:8462
#28 0xb5e8c235 in QFrame::event (this=0xb2126f0, e=0xbf97c794) at widgets/qframe.cpp:557
#29 0xb5f1e7d1 in QAbstractScrollArea::viewportEvent (this=0xb2126f0, e=0xbf97c794) at widgets/qabstractscrollarea.cpp:1043
#30 0xb60e9cb4 in QGraphicsView::viewportEvent (this=0xb2126f0, event=0xbf97c794) at graphicsview/qgraphicsview.cpp:2864
#31 0xb5f20ee6 in viewportEvent (this=<optimized out>, event=0xbf97c794) at widgets/qabstractscrollarea_p.h:100
#32 eventFilter (e=0xbf97c794, this=<optimized out>, o=<optimized out>) at widgets/qabstractscrollarea_p.h:116
#33 QAbstractScrollAreaFilter::eventFilter (this=0xb325200, o=0xb2c10d8, e=0xbf97c794) at widgets/qabstractscrollarea_p.h:115
#34 0xb6501336 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x9d39900, receiver=0xb2c10d8, event=0xbf97c794) at kernel/qcoreapplication.cpp:902
#35 0xb5a2cd22 in notify_helper (e=0xbf97c794, receiver=0xb2c10d8, this=0x9d39900) at kernel/qapplication.cpp:4482
#36 QApplicationPrivate::notify_helper (this=0x9d39900, receiver=0xb2c10d8, e=0xbf97c794) at kernel/qapplication.cpp:4458
#37 0xb5a32794 in QApplication::notify (this=0xb2c10d8, receiver=0xb2c10d8, e=0xbf97c794) at kernel/qapplication.cpp:4126
#38 0xb6b66681 in KApplication::notify (this=0x9d21668, receiver=0xb2c10d8, event=0xbf97c794) at ../../kdeui/kernel/kapplication.cpp:311
#39 0xb650119e in QCoreApplication::notifyInternal (this=0x9d21668, receiver=0xb2c10d8, event=0xbf97c794) at kernel/qcoreapplication.cpp:787
#40 0xb5aba345 in sendSpontaneousEvent (event=0xbf97c794, receiver=0xb2c10d8) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#41 QETWidget::translateMouseEvent (this=0xb2126f0, event=0xbf97cbec) at kernel/qapplication_x11.cpp:4573
#42 0xb5ab8e4d in QApplication::x11ProcessEvent (this=0x9d21668, event=0xbf97cbec) at kernel/qapplication_x11.cpp:3690
#43 0xb5ae524c in x11EventSourceDispatch (s=0x9d36268, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#44 0xb2fb825f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#45 0xb2fb8990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#46 0xb2fb8c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#47 0xb652fada in QEventDispatcherGlib::processEvents (this=0x9ce6218, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#48 0xb5ae4e3a in QGuiEventDispatcherGlib::processEvents (this=0x9ce6218, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#49 0xb65001dd in QEventLoop::processEvents (this=0xbf97cef4, flags=...) at kernel/qeventloop.cpp:149
#50 0xb6500421 in QEventLoop::exec (this=0xbf97cef4, flags=...) at kernel/qeventloop.cpp:201
#51 0xb650519d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#52 0xb5a2a8f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#53 0xb77e418b in kdemain (argc=1, argv=0xbf97d0f4) at ../../../../plasma/desktop/shell/main.cpp:120
#54 0x0804850b in main (argc=1, argv=0xbf97d0f4) at plasma-desktop_dummy.cpp:3

This bug may be a duplicate of or related to bug 277033.

Possible duplicates by query: bug 288256, bug 287915, bug 287329, bug 285858, bug 285681.

Reported using DrKonqi