Bug 287876

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.7.4
Operating System: Linux 3.1.0-1.2-desktop x86_64
Distribution: "openSUSE 12.1 (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:

Plasma crashed closing applications from taskbar, using context menu. Sometimes DrKonqui didn't work.

-- Backtrace:
Application: Shell de escritorio Plasma (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fade8eab760 (LWP 7030))]

Thread 3 (Thread 0x7fadc632a700 (LWP 7036)):
#0  0x00007fade778811f in __pthread_mutex_unlock_usercnt () from /lib64/libpthread.so.0
#1  0x00007fade330925e in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fade3309ab2 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fade3309f59 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fade7b26576 in QEventDispatcherGlib::processEvents (this=0x7fadb80008c0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007fade7afaa22 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007fade7afac1f in QEventLoop::exec (this=0x7fadc6329df0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007fade7a125df in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#8  0x00007fade7addaef in QInotifyFileSystemWatcherEngine::run (this=0xf4ec00) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007fade7a15025 in QThreadPrivate::start (arg=0xf4ec00) at thread/qthread_unix.cpp:331
#10 0x00007fade7784f05 in start_thread () from /lib64/libpthread.so.0
#11 0x00007fade651d53d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fadb39c8700 (LWP 7042)):
#0  0x00007fade35bde77 in clock_gettime () from /lib64/librt.so.1
#1  0x00007fade7a65114 in do_gettime (frac=0x7fadb39c7ba8, sec=0x7fadb39c7ba0) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x00007fade7b26d1d in QTimerInfoList::updateCurrentTime (this=0x7fadac0020d0) at kernel/qeventdispatcher_unix.cpp:339
#4  0x00007fade7b27053 in QTimerInfoList::timerWait (this=0x7fadac0020d0, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x00007fade7b25abc in timerSourcePrepareHelper (src=<optimized out>, timeout=0x7fadb39c7c8c) at kernel/qeventdispatcher_glib.cpp:136
#6  0x00007fade7b25b65 in timerSourcePrepare (source=<optimized out>, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x00007fade3308b22 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#8  0x00007fade330992d in ?? () from /usr/lib64/libglib-2.0.so.0
#9  0x00007fade3309f59 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#10 0x00007fade7b26576 in QEventDispatcherGlib::processEvents (this=0x7fadac0008c0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#11 0x00007fade7afaa22 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#12 0x00007fade7afac1f in QEventLoop::exec (this=0x7fadb39c7e20, flags=...) at kernel/qeventloop.cpp:201
#13 0x00007fade7a125df in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#14 0x00007fade7a15025 in QThreadPrivate::start (arg=0x14e84a0) at thread/qthread_unix.cpp:331
#15 0x00007fade7784f05 in start_thread () from /lib64/libpthread.so.0
#16 0x00007fade651d53d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fade8eab760 (LWP 7030)):
[KCrash Handler]
#6  isNull (this=0x4000) at /usr/include/QtCore/qsharedpointer_impl.h:568
#7  operator! (this=0x4000) at /usr/include/QtCore/qsharedpointer_impl.h:574
#8  TaskManager::TaskItem::task (this=0xcd8600) at /usr/src/debug/kde-workspace-4.7.3/libs/taskmanager/taskitem.cpp:113
#9  0x00007fadcdce82e2 in WindowTaskItem::publishIconGeometry (this=0x1f8c570) at /usr/src/debug/kde-workspace-4.7.3/plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#10 0x00007fadcdcf6cac in AbstractTaskItem::timerEvent (this=0x1f8c570, event=<optimized out>) at /usr/src/debug/kde-workspace-4.7.3/plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#11 0x00007fade7b11e79 in QObject::event (this=0x1f8c570, e=<optimized out>) at kernel/qobject.cpp:1190
#12 0x00007fade72c727b in QGraphicsWidget::event (this=0x1f8c570, event=0x7fff39a647f0) at graphicsview/qgraphicswidget.cpp:1455
#13 0x00007fade6cadbe4 in notify_helper (e=0x7fff39a647f0, receiver=0x1f8c570, this=0x6f5a70) at kernel/qapplication.cpp:4481
#14 QApplicationPrivate::notify_helper (this=0x6f5a70, receiver=0x1f8c570, e=0x7fff39a647f0) at kernel/qapplication.cpp:4453
#15 0x00007fade6cb2a71 in QApplication::notify (this=0x6eaae0, receiver=0x1f8c570, e=0x7fff39a647f0) at kernel/qapplication.cpp:4360
#16 0x00007fade888de36 in KApplication::notify (this=0x6eaae0, receiver=0x1f8c570, event=0x7fff39a647f0) at /usr/src/debug/kdelibs-4.7.3/kdeui/kernel/kapplication.cpp:311
#17 0x00007fade7afb81c in QCoreApplication::notifyInternal (this=0x6eaae0, receiver=0x1f8c570, event=0x7fff39a647f0) at kernel/qcoreapplication.cpp:787
#18 0x00007fade7b28398 in sendEvent (event=0x7fff39a647f0, receiver=<optimized out>) at kernel/qcoreapplication.h:215
#19 QTimerInfoList::activateTimers (this=0x6f3850) at kernel/qeventdispatcher_unix.cpp:618
#20 0x00007fade7b25ba8 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#21 idleTimerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:231
#22 0x00007fade330958d in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#23 0x00007fade3309d88 in ?? () from /usr/lib64/libglib-2.0.so.0
#24 0x00007fade3309f59 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#25 0x00007fade7b2650f in QEventDispatcherGlib::processEvents (this=0x6e43f0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#26 0x00007fade6d50f2e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x00007fade7afaa22 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#28 0x00007fade7afac1f in QEventLoop::exec (this=0x7fff39a64af0, flags=...) at kernel/qeventloop.cpp:201
#29 0x00007fade7afede7 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#30 0x00007fadd6f15773 in kdemain (argc=1, argv=0x615430) at /usr/src/debug/kde-workspace-4.7.3/plasma/desktop/shell/main.cpp:120
#31 0x0000000000408897 in _start ()

Possible duplicates by query: bug 287848, bug 287831, bug 287740, bug 287714, bug 287670.

Reported using DrKonqi