Title: plasma crash on task in panel What I was doing when the application crashed: plasma crash on task in panel -- Application and System information: Application that crashed: plasma-desktop Version of the application: 0.3 KDE Version: 4.2.71 (KDE 4.2.71 (KDE 4.3 >= 20090428)) Qt Version: 4.5.1 Operating System: Linux 2.6.29-ARCH x86_64 -- Backtrace: Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault [Current thread is 0 (LWP 15318)] Thread 3 (Thread 0x7ff8d6a0a950 (LWP 15321)): #0 0x00007ff8f2146d69 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #1 0x00007ff8f23b7c59 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4 #2 0x00007ff8f5b972fc in ?? () from /usr/lib/libQtNetwork.so.4 #3 0x00007ff8f23b6c62 in ?? () from /usr/lib/libQtCore.so.4 #4 0x00007ff8f2142fc7 in start_thread () from /lib/libpthread.so.0 #5 0x00007ff8f17115dd in clone () from /lib/libc.so.6 #6 0x0000000000000000 in ?? () Thread 2 (Thread 0x7ff8d3d8d950 (LWP 15322)): #0 0x00007ff8f2146fed in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #1 0x00007ff8f23b66b5 in ?? () from /usr/lib/libQtCore.so.4 #2 0x00007ff8f23b680e in QThread::msleep () from /usr/lib/libQtCore.so.4 #3 0x00007ff8d7a7c39e in Update_Thread::run () from /usr/lib/kde4/plasma_applet_cwp.so #4 0x00007ff8f23b6c62 in ?? () from /usr/lib/libQtCore.so.4 #5 0x00007ff8f2142fc7 in start_thread () from /lib/libpthread.so.0 #6 0x00007ff8f17115dd in clone () from /lib/libc.so.6 #7 0x0000000000000000 in ?? () Thread 1 (Thread 0x7ff8f71c2790 (LWP 15318)): [KCrash Handler] #5 TaskManager::Task::window (this=0x0) at /home/miki/work1/kdemod-core42/work/kdebase-workspace/src/kdebase-workspace-4.2.71/libs/taskmanager/task.cpp:355 #6 0x00007ff8d9628b48 in AbstractTaskItem::timerEvent (this=0x161f010, event=<value optimized out>) at /home/miki/work1/kdemod-core42/work/kdebase-workspace/src/kdebase-workspace-4.2.71/plasma/applets/tasks/abstracttaskitem.cpp:399 #7 0x00007ff8f24af093 in QObject::event () from /usr/lib/libQtCore.so.4 #8 0x00007ff8f31c0e8b in QGraphicsWidget::event () from /usr/lib/libQtGui.so.4 #9 0x00007ff8f2ba840d in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4 #10 0x00007ff8f2bb068a in QApplication::notify () from /usr/lib/libQtGui.so.4 #11 0x00007ff8f54d2a8b in KApplication::notify (this=0xd44fd0, receiver=0x161f010, event=0x7fffff319260) at /home/miki/work1/kdemod-core42/work/kdelibs/src/kdelibs-4.2.71/kdeui/kernel/kapplication.cpp:307 #12 0x00007ff8f249f39c in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4 #13 0x00007ff8f24cc586 in ?? () from /usr/lib/libQtCore.so.4 #14 0x00007ff8f24c8aad in ?? () from /usr/lib/libQtCore.so.4 #15 0x00007ff8edf5601a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #16 0x00007ff8edf596e0 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0 #17 0x00007ff8edf5987c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #18 0x00007ff8f24c8a0f in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4 #19 0x00007ff8f2c3faff in ?? () from /usr/lib/libQtGui.so.4 #20 0x00007ff8f249dc42 in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4 #21 0x00007ff8f249e00d in QEventLoop::exec () from /usr/lib/libQtCore.so.4 #22 0x00007ff8f24a02d4 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4 #23 0x00007ff8f6eb68bb in kdemain (argc=1, argv=0x7fffff319818) at /home/miki/work1/kdemod-core42/work/kdebase-workspace/src/kdebase-workspace-4.2.71/plasma/shells/desktop/main.cpp:50 #24 0x00007ff8f1660546 in __libc_start_main () from /lib/libc.so.6 #25 0x0000000000400809 in _start ()
*** Bug 191456 has been marked as a duplicate of this bug. ***
This remember me bug 191141. May be they are somewhat related.
*** This bug has been marked as a duplicate of bug 191412 ***
Here using: Qt: 4.5.1 (qt-copy 960517) KDE: 4.2.71 (KDE 4.2.71 (KDE 4.3 >= 20090428)) kdelibs svn rev. 963904 / kdebase svn rev. 963904 on ArchLinux i686 - Kernel 2.6.29.1 I got this crash. (same bt)
*** Bug 191983 has been marked as a duplicate of this bug. ***
Valgrind trace of plasmoidviewer tasks: ==3923== Invalid read of size 4 ==3923== at 0x144F72E7: TaskManager::Task::window() const (task.cpp:355) ==3923== by 0x4A1B15E: QObject::event(QEvent*) (qobject.cpp:1082) ==3923== by 0x52FC066: QGraphicsWidget::event(QEvent*) (qgraphicswidget.cpp:1317) ==3923== by 0x4C78F2B: QApplicationPrivate::notify_helper(QObject*, QEvent*) (qapplication.cpp:4084) ==3923== by 0x4C8122D: QApplication::notify(QObject*, QEvent*) (qapplication.cpp:3631) ==3923== by 0x41FCF4C: KApplication::notify(QObject*, QEvent*) (kapplication.cpp:307) ==3923== by 0x4A0AA3A: QCoreApplication::notifyInternal(QObject*, QEvent*) (qcoreapplication.cpp:602) ==3923== by 0x4A39D70: QTimerInfoList::activateTimers() (qcoreapplication.h:213) ==3923== by 0x4A364DF: timerSourceDispatch(_GSource*, int (*)(void*), void*) (qeventdispatcher_glib.cpp:164) ==3923== by 0x6EB2B87: g_main_context_dispatch (gmain.c:1814) ==3923== by 0x6EB60EA: g_main_context_iterate (gmain.c:2448) ==3923== by 0x6EB6267: g_main_context_iteration (gmain.c:2511) ==3923== Address 0xc is not stack'd, malloc'd or (recently) free'd