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 i686
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:
  + watching a video in Dragon player (flv format)
  + installing new firefox add-on (Firefox 8 - Pencil add-on)

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb76ffb20 (LWP 1582))]

Thread 3 (Thread 0xb17abb70 (LWP 1583)):
#0  0x00a32416 in __kernel_vsyscall ()
#1  0x00d9b40e in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0x0325a34b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x0324b896 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x0324bc2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x0857db37 in QEventDispatcherGlib::processEvents (this=0x9440e20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x0854e1dd in QEventLoop::processEvents (this=0xb17ab2a0, flags=...) at kernel/qeventloop.cpp:149
#7  0x0854e421 in QEventLoop::exec (this=0xb17ab2a0, flags=...) at kernel/qeventloop.cpp:201
#8  0x0845190b in QThread::exec (this=0x943e170) at thread/qthread.cpp:498
#9  0x0852ee2d in QInotifyFileSystemWatcherEngine::run (this=0x943e170) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x084547b3 in QThreadPrivate::start (arg=0x943e170) at thread/qthread_unix.cpp:331
#11 0x0319bd31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0x00daa0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 2 (Thread 0xaee8fb70 (LWP 1589)):
#0  0x00a32416 in __kernel_vsyscall ()
#1  0x00d9b40e in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0x0325a34b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x0324b896 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x0324bf9b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x063dbcea in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#6  0x032725f4 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0x0319bd31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0x00daa0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb76ffb20 (LWP 1582)):
[KCrash Handler]
#7  isNull (this=0x2) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#8  operator! (this=0x2) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#9  TaskManager::TaskItem::task (this=0x93c8ea0) at ../../../libs/taskmanager/taskitem.cpp:113
#10 0x0747d662 in WindowTaskItem::publishIconGeometry (this=0x9c85ea0) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#11 0x0748e688 in AbstractTaskItem::timerEvent (this=0x9c85ea0, event=0xbf847a2c) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#12 0x08567994 in QObject::event (this=0x9c85ea0, e=0xbf847a2c) at kernel/qobject.cpp:1181
#13 0x0606bbd4 in QGraphicsWidget::event (this=0x9c85ea0, event=0xbf847a2c) at graphicsview/qgraphicswidget.cpp:1455
#14 0x059acd54 in notify_helper (e=0xbf847a2c, receiver=0x9c85ea0, this=0x8b83a90) at kernel/qapplication.cpp:4486
#15 QApplicationPrivate::notify_helper (this=0x8b83a90, receiver=0x9c85ea0, e=0xbf847a2c) at kernel/qapplication.cpp:4458
#16 0x059b2103 in QApplication::notify (this=0xbf847a2c, receiver=0x9c85ea0, e=0xbf847a2c) at kernel/qapplication.cpp:3886
#17 0x0103b681 in KApplication::notify (this=0x8b782e0, receiver=0x9c85ea0, event=0xbf847a2c) at ../../kdeui/kernel/kapplication.cpp:311
#18 0x0854f19e in QCoreApplication::notifyInternal (this=0x8b782e0, receiver=0x9c85ea0, event=0xbf847a2c) at kernel/qcoreapplication.cpp:787
#19 0x0857fc10 in sendEvent (event=0xbf847a2c, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QTimerInfoList::activateTimers (this=0x8b87834) at kernel/qeventdispatcher_unix.cpp:603
#21 0x0857d122 in timerSourceDispatch (source=0x8b87800) at kernel/qeventdispatcher_glib.cpp:184
#22 0x0324b25f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#23 0x0324b990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#24 0x0324bc2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#25 0x0857dada in QEventDispatcherGlib::processEvents (this=0x8b3a218, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#26 0x05a64e3a in QGuiEventDispatcherGlib::processEvents (this=0x8b3a218, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x0854e1dd in QEventLoop::processEvents (this=0xbf847ca4, flags=...) at kernel/qeventloop.cpp:149
#28 0x0854e421 in QEventLoop::exec (this=0xbf847ca4, flags=...) at kernel/qeventloop.cpp:201
#29 0x0855319d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#30 0x059aa8f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#31 0x0014518b in kdemain (argc=1, argv=0xbf847ea4) at ../../../../plasma/desktop/shell/main.cpp:120
#32 0x0804850b in main (argc=1, argv=0xbf847ea4) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 290664, bug 290654, bug 290641, bug 290635, bug 290597.

Reported using DrKonqi