Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-13-generic i686
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:
Plasma crashed, during I launched Okular by clicking on a link in FIrefox.
- Unusual behavior I noticed:
After resume of Plasma, systray on taskbar became two times bigger, than it should be.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb76eab20 (LWP 2233))]

Thread 3 (Thread 0xb15c5b70 (LWP 2234)):
#0  0x044a67c0 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0x044a7637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x044a7c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x019aeb37 in QEventDispatcherGlib::processEvents (this=0x9f44448, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x0197f1dd in QEventLoop::processEvents (this=0xb15c52a0, flags=...) at kernel/qeventloop.cpp:149
#5  0x0197f421 in QEventLoop::exec (this=0xb15c52a0, flags=...) at kernel/qeventloop.cpp:201
#6  0x0188290b in QThread::exec (this=0x9f40de8) at thread/qthread.cpp:498
#7  0x0195fe2d in QInotifyFileSystemWatcherEngine::run (this=0x9f40de8) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x018857b3 in QThreadPrivate::start (arg=0x9f40de8) at thread/qthread_unix.cpp:331
#9  0x04406d31 in start_thread (arg=0xb15c5b70) at pthread_create.c:304
#10 0x001e20ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 2 (Thread 0xafc91b70 (LWP 2235)):
#0  0x00e3e416 in __kernel_vsyscall ()
#1  0x001d340e in __GI___poll (fds=0xa0823c0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0x044b634b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x044a7896 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x044a7c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x019aeb37 in QEventDispatcherGlib::processEvents (this=0xa081270, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x0197f1dd in QEventLoop::processEvents (this=0xafc912a0, flags=...) at kernel/qeventloop.cpp:149
#7  0x0197f421 in QEventLoop::exec (this=0xafc912a0, flags=...) at kernel/qeventloop.cpp:201
#8  0x0188290b in QThread::exec (this=0x97962c0) at thread/qthread.cpp:498
#9  0x0195fe2d in QInotifyFileSystemWatcherEngine::run (this=0x97962c0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x018857b3 in QThreadPrivate::start (arg=0x97962c0) at thread/qthread_unix.cpp:331
#11 0x04406d31 in start_thread (arg=0xafc91b70) at pthread_create.c:304
#12 0x001e20ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb76eab20 (LWP 2233)):
[KCrash Handler]
#7  operator== (value=0, this=0xa) at /usr/include/qt4/QtCore/qbasicatomic.h:70
#8  isNull (this=0xae3ded8) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#9  operator! (this=0xae3ded8) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#10 TaskManager::TaskItem::task (this=0x98ec718) at ../../../libs/taskmanager/taskitem.cpp:113
#11 0x055ce590 in WindowTaskItem::publishIconGeometry (this=0xae3a120, rect=...) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:130
#12 0x055e0b24 in TaskGroupItem::publishIconGeometry (this=0xa5a7b48, rect=...) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1438
#13 0x055e0801 in publishIconGeometry (this=0xa5a7b48) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1424
#14 TaskGroupItem::publishIconGeometry (this=0xa5a7b48) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1416
#15 0x055df688 in AbstractTaskItem::timerEvent (this=0xa5a7b48, event=0xbfbda86c) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#16 0x01998994 in QObject::event (this=0xa5a7b48, e=0xbfbda86c) at kernel/qobject.cpp:1181
#17 0x03a53bd4 in QGraphicsWidget::event (this=0xa5a7b48, event=0xbfbda86c) at graphicsview/qgraphicswidget.cpp:1455
#18 0x03394d54 in notify_helper (e=0xbfbda86c, receiver=0xa5a7b48, this=0x966a658) at kernel/qapplication.cpp:4486
#19 QApplicationPrivate::notify_helper (this=0x966a658, receiver=0xa5a7b48, e=0xbfbda86c) at kernel/qapplication.cpp:4458
#20 0x0339a103 in QApplication::notify (this=0xbfbda86c, receiver=0xa5a7b48, e=0xbfbda86c) at kernel/qapplication.cpp:3886
#21 0x01191681 in KApplication::notify (this=0x964b9e0, receiver=0xa5a7b48, event=0xbfbda86c) at ../../kdeui/kernel/kapplication.cpp:311
#22 0x0198019e in QCoreApplication::notifyInternal (this=0x964b9e0, receiver=0xa5a7b48, event=0xbfbda86c) at kernel/qcoreapplication.cpp:787
#23 0x019b0c10 in sendEvent (event=0xbfbda86c, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#24 QTimerInfoList::activateTimers (this=0x966887c) at kernel/qeventdispatcher_unix.cpp:603
#25 0x019ae122 in timerSourceDispatch (source=0x9668848) at kernel/qeventdispatcher_glib.cpp:184
#26 0x044a725f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#27 0x044a7990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#28 0x044a7c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#29 0x019aeada in QEventDispatcherGlib::processEvents (this=0x9614218, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#30 0x0344ce3a in QGuiEventDispatcherGlib::processEvents (this=0x9614218, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#31 0x0197f1dd in QEventLoop::processEvents (this=0xbfbdaae4, flags=...) at kernel/qeventloop.cpp:149
#32 0x0197f421 in QEventLoop::exec (this=0xbfbdaae4, flags=...) at kernel/qeventloop.cpp:201
#33 0x0198419d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#34 0x033928f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#35 0x00bce18b in kdemain (argc=1, argv=0xbfbdace4) at ../../../../plasma/desktop/shell/main.cpp:120
#36 0x0804850b in main (argc=1, argv=0xbfbdace4) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 287588, bug 287545, bug 287181, bug 287059, bug 287014.

Reported using DrKonqi