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:
Plasma crashed from out of nowhere and also closed a windows programme running under wine

-- Backtrace:
Application: Plasma-Desktop-Umgebung (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fcdda0377a0 (LWP 1797))]

Thread 3 (Thread 0x7fcdb72c9700 (LWP 1798)):
#0  0x00007ffff87ff92c in clock_gettime ()
#1  0x00007fcdce15607b in __GI_clock_gettime (clock_id=1, tp=0x7fcdb72c8b20) at ../sysdeps/unix/clock_gettime.c:100
#2  0x00007fcdd6a46074 in do_gettime (frac=0x7fcdb72c8b38, sec=0x7fcdb72c8b30) at tools/qelapsedtimer_unix.cpp:123
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#4  0x00007fcdd6b086ed in QTimerInfoList::updateCurrentTime (this=0x25946c0) at kernel/qeventdispatcher_unix.cpp:339
#5  0x00007fcdd6b08a33 in QTimerInfoList::timerWait (this=0x25946c0, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#6  0x00007fcdd6b0744c in timerSourcePrepareHelper (src=<optimized out>, timeout=0x7fcdb72c8c1c) at kernel/qeventdispatcher_glib.cpp:136
#7  0x00007fcdd6b074f5 in timerSourcePrepare (source=<optimized out>, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#8  0x00007fcdcde9fff2 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fcdcdea0dfd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fcdcdea1429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007fcdd6b07f3e in QEventDispatcherGlib::processEvents (this=0x2588c00, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#12 0x00007fcdd6adbcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#13 0x00007fcdd6adbef7 in QEventLoop::exec (this=0x7fcdb72c8db0, flags=...) at kernel/qeventloop.cpp:201
#14 0x00007fcdd69f327f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#15 0x00007fcdd6abecbf in QInotifyFileSystemWatcherEngine::run (this=0x2588330) at io/qfilesystemwatcher_inotify.cpp:248
#16 0x00007fcdd69f5d05 in QThreadPrivate::start (arg=0x2588330) at thread/qthread_unix.cpp:331
#17 0x00007fcdce9adefc in start_thread (arg=0x7fcdb72c9700) at pthread_create.c:304
#18 0x00007fcdd992289d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#19 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fcdaffff700 (LWP 1799)):
#0  0x00007ffff87ff92c in clock_gettime ()
#1  0x00007fcdce15607b in __GI_clock_gettime (clock_id=1, tp=0x7fcdafffeb20) at ../sysdeps/unix/clock_gettime.c:100
#2  0x00007fcdd6a46074 in do_gettime (frac=0x7fcdafffeb38, sec=0x7fcdafffeb30) at tools/qelapsedtimer_unix.cpp:123
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#4  0x00007fcdd6b086ed in QTimerInfoList::updateCurrentTime (this=0x279f770) at kernel/qeventdispatcher_unix.cpp:339
#5  0x00007fcdd6b08a33 in QTimerInfoList::timerWait (this=0x279f770, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#6  0x00007fcdd6b0744c in timerSourcePrepareHelper (src=<optimized out>, timeout=0x7fcdafffec1c) at kernel/qeventdispatcher_glib.cpp:136
#7  0x00007fcdd6b074f5 in timerSourcePrepare (source=<optimized out>, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#8  0x00007fcdcde9fff2 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fcdcdea0dfd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fcdcdea1429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007fcdd6b07f3e in QEventDispatcherGlib::processEvents (this=0x279c750, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#12 0x00007fcdd6adbcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#13 0x00007fcdd6adbef7 in QEventLoop::exec (this=0x7fcdafffedb0, flags=...) at kernel/qeventloop.cpp:201
#14 0x00007fcdd69f327f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#15 0x00007fcdd6abecbf in QInotifyFileSystemWatcherEngine::run (this=0x279ed00) at io/qfilesystemwatcher_inotify.cpp:248
#16 0x00007fcdd69f5d05 in QThreadPrivate::start (arg=0x279ed00) at thread/qthread_unix.cpp:331
#17 0x00007fcdce9adefc in start_thread (arg=0x7fcdaffff700) at pthread_create.c:304
#18 0x00007fcdd992289d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#19 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fcdda0377a0 (LWP 1797)):
[KCrash Handler]
#6  isNull (this=0x0) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#7  operator! (this=0x0) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#8  TaskManager::TaskItem::task (this=0x2bb2790) at ../../../libs/taskmanager/taskitem.cpp:113
#9  0x00007fcdc0174112 in WindowTaskItem::publishIconGeometry (this=0x2b236d0) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#10 0x00007fcdc0182b7c in AbstractTaskItem::timerEvent (this=0x2b236d0, event=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#11 0x00007fcdd6af3789 in QObject::event (this=0x2b236d0, e=<optimized out>) at kernel/qobject.cpp:1181
#12 0x00007fcdd64ab89b in QGraphicsWidget::event (this=0x2b236d0, event=0x7ffff87a1fb0) at graphicsview/qgraphicswidget.cpp:1455
#13 0x00007fcdd5e8d424 in notify_helper (e=0x7ffff87a1fb0, receiver=0x2b236d0, this=0x1b15b10) at kernel/qapplication.cpp:4486
#14 QApplicationPrivate::notify_helper (this=0x1b15b10, receiver=0x2b236d0, e=0x7ffff87a1fb0) at kernel/qapplication.cpp:4458
#15 0x00007fcdd5e92291 in QApplication::notify (this=0x1b066d0, receiver=0x2b236d0, e=0x7ffff87a1fb0) at kernel/qapplication.cpp:4365
#16 0x00007fcdd778b126 in KApplication::notify (this=0x1b066d0, receiver=0x2b236d0, event=0x7ffff87a1fb0) at ../../kdeui/kernel/kapplication.cpp:311
#17 0x00007fcdd6adcafc in QCoreApplication::notifyInternal (this=0x1b066d0, receiver=0x2b236d0, event=0x7ffff87a1fb0) at kernel/qcoreapplication.cpp:787
#18 0x00007fcdd6b09d62 in sendEvent (event=0x7ffff87a1fb0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#19 QTimerInfoList::activateTimers (this=0x1b1a950) at kernel/qeventdispatcher_unix.cpp:603
#20 0x00007fcdd6b07514 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#21 0x00007fcdcdea0a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007fcdcdea1258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007fcdcdea1429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007fcdd6b07ed6 in QEventDispatcherGlib::processEvents (this=0x1a9cf40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#25 0x00007fcdd5f3507e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#26 0x00007fcdd6adbcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#27 0x00007fcdd6adbef7 in QEventLoop::exec (this=0x7ffff87a2240, flags=...) at kernel/qeventloop.cpp:201
#28 0x00007fcdd6ae0789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#29 0x00007fcdd9c211a3 in kdemain (argc=1, argv=0x7ffff87a2628) at ../../../../plasma/desktop/shell/main.cpp:120
#30 0x00007fcdd986230d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7ffff87a2628, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffff87a2618) at libc-start.c:226
#31 0x0000000000400671 in _start ()

This bug may be a duplicate of or related to bug 272495.

Possible duplicates by query: bug 292220, bug 292186, bug 292177, bug 292153, bug 292112.

Reported using DrKonqi