Bug 289757

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3)
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 wrote a message in kopete usin msn/wlm protocol and Plasma suddenly crashed

-- Backtrace:
Application: Plasma-Desktop-Umgebung (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f89914907a0 (LWP 1767))]

Thread 7 (Thread 0x7f896fec9700 (LWP 1768)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007f896fec8ad0 in ?? ()
#2  0x00007fff7afff7e7 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 6 (Thread 0x7f896332f700 (LWP 1803)):
#0  0x00007f8985e131fd in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x2714d48) at pthread_mutex_unlock.c:290
#2  0x00007f8985301fe4 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8985302dfd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8985303429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f898df69f3e in QEventDispatcherGlib::processEvents (this=0x199de20, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007f898df3dcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f898df3def7 in QEventLoop::exec (this=0x7f896332edb0, flags=...) at kernel/qeventloop.cpp:201
#8  0x00007f898de5527f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#9  0x00007f898df20cbf in QInotifyFileSystemWatcherEngine::run (this=0x2516d90) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f898de57d05 in QThreadPrivate::start (arg=0x2516d90) at thread/qthread_unix.cpp:331
#11 0x00007f8985e0fefc in start_thread (arg=0x7f896332f700) at pthread_create.c:304
#12 0x00007f8990d8489d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f8962746700 (LWP 3060)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f898de581ab in wait (time=18446744073709551615, this=0x1bcbd90) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1b82880, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f8989c52864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1be3ac0, th=0x36e6780) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f8989c54e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b7e6f0, th=0x36e6780) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f8989c53ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f8962745e00, parent=0x1be3ac0, th=0x36e6780) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f8989c53d5b in ThreadWeaver::Thread::run (this=0x36e6780) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f898de57d05 in QThreadPrivate::start (arg=0x36e6780) at thread/qthread_unix.cpp:331
#8  0x00007f8985e0fefc in start_thread (arg=0x7f8962746700) at pthread_create.c:304
#9  0x00007f8990d8489d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f896cb9c700 (LWP 3061)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f898de581ab in wait (time=18446744073709551615, this=0x1bcbd90) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1b82880, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f8989c52864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1be3ac0, th=0x1d948a0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f8989c54e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b7e6f0, th=0x1d948a0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f8989c53ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f896cb9be00, parent=0x1be3ac0, th=0x1d948a0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f8989c53d5b in ThreadWeaver::Thread::run (this=0x1d948a0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f898de57d05 in QThreadPrivate::start (arg=0x1d948a0) at thread/qthread_unix.cpp:331
#8  0x00007f8985e0fefc in start_thread (arg=0x7f896cb9c700) at pthread_create.c:304
#9  0x00007f8990d8489d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f8960106700 (LWP 3062)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f898de581ab in wait (time=18446744073709551615, this=0x1bcbd90) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1b82880, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f8989c52864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1be3ac0, th=0x191de30) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f8989c54e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b7e6f0, th=0x191de30) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f8989c54e24 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b7e6f0, th=0x191de30) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f8989c53ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f8960105e00, parent=0x1be3ac0, th=0x191de30) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f8989c53d5b in ThreadWeaver::Thread::run (this=0x191de30) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f898de57d05 in QThreadPrivate::start (arg=0x191de30) at thread/qthread_unix.cpp:331
#9  0x00007f8985e0fefc in start_thread (arg=0x7f8960106700) at pthread_create.c:304
#10 0x00007f8990d8489d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f895f905700 (LWP 3063)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f898de581ab in wait (time=18446744073709551615, this=0x1bcbd90) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1b82880, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f8989c52864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1be3ac0, th=0x26249d0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f8989c54e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b7e6f0, th=0x26249d0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f8989c53ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f895f904e00, parent=0x1be3ac0, th=0x26249d0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f8989c53d5b in ThreadWeaver::Thread::run (this=0x26249d0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f898de57d05 in QThreadPrivate::start (arg=0x26249d0) at thread/qthread_unix.cpp:331
#8  0x00007f8985e0fefc in start_thread (arg=0x7f895f905700) at pthread_create.c:304
#9  0x00007f8990d8489d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f89914907a0 (LWP 1767)):
[KCrash Handler]
#6  isNull (this=0x30003000300030) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#7  operator! (this=0x30003000300030) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#8  TaskManager::TaskItem::task (this=0x3cd25b0) at ../../../libs/taskmanager/taskitem.cpp:113
#9  0x00007f8977b92112 in WindowTaskItem::publishIconGeometry (this=0x3d0e630) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#10 0x00007f8977ba0b7c in AbstractTaskItem::timerEvent (this=0x3d0e630, event=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#11 0x00007f898df55789 in QObject::event (this=0x3d0e630, e=<optimized out>) at kernel/qobject.cpp:1181
#12 0x00007f898d90d89b in QGraphicsWidget::event (this=0x3d0e630, event=0x7fff7ae77bd0) at graphicsview/qgraphicswidget.cpp:1455
#13 0x00007f898d2ef424 in notify_helper (e=0x7fff7ae77bd0, receiver=0x3d0e630, this=0x11aeca0) at kernel/qapplication.cpp:4486
#14 QApplicationPrivate::notify_helper (this=0x11aeca0, receiver=0x3d0e630, e=0x7fff7ae77bd0) at kernel/qapplication.cpp:4458
#15 0x00007f898d2f4291 in QApplication::notify (this=0x11a15f0, receiver=0x3d0e630, e=0x7fff7ae77bd0) at kernel/qapplication.cpp:4365
#16 0x00007f898ebed126 in KApplication::notify (this=0x11a15f0, receiver=0x3d0e630, event=0x7fff7ae77bd0) at ../../kdeui/kernel/kapplication.cpp:311
#17 0x00007f898df3eafc in QCoreApplication::notifyInternal (this=0x11a15f0, receiver=0x3d0e630, event=0x7fff7ae77bd0) at kernel/qcoreapplication.cpp:787
#18 0x00007f898df6bd62 in sendEvent (event=0x7fff7ae77bd0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#19 QTimerInfoList::activateTimers (this=0x11b3dd0) at kernel/qeventdispatcher_unix.cpp:603
#20 0x00007f898df69538 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#21 idleTimerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:231
#22 0x00007f8985302a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f8985303258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f8985303429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f898df69ed6 in QEventDispatcherGlib::processEvents (this=0x1133f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#26 0x00007f898d39707e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x00007f898df3dcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#28 0x00007f898df3def7 in QEventLoop::exec (this=0x7fff7ae77e60, flags=...) at kernel/qeventloop.cpp:201
#29 0x00007f898df42789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#30 0x00007f89910831a3 in kdemain (argc=1, argv=0x7fff7ae78248) at ../../../../plasma/desktop/shell/main.cpp:120
#31 0x00007f8990cc430d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff7ae78248, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff7ae78238) at libc-start.c:226
#32 0x0000000000400671 in _start ()

Possible duplicates by query: bug 289752, bug 289738, bug 289736, bug 289714, bug 289704.

Reported using DrKonqi