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:

NOTHING - except gazing at the screen!
I had most recently closed one of 3 tabs in Firefox.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb787c730 (LWP 1665))]

Thread 4 (Thread 0xb176eb70 (LWP 1666)):
#0  0x0280a0b4 in idleTimerSourceCheck (source=0x9019c00) at kernel/qeventdispatcher_glib.cpp:220
#1  0x0209ef24 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x0209f8f0 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x0209fc2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x02809b37 in QEventDispatcherGlib::processEvents (this=0x902e600, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x027da1dd in QEventLoop::processEvents (this=0xb176e290, flags=...) at kernel/qeventloop.cpp:149
#6  0x027da421 in QEventLoop::exec (this=0xb176e290, flags=...) at kernel/qeventloop.cpp:201
#7  0x026dd90b in QThread::exec (this=0x902cc90) at thread/qthread.cpp:498
#8  0x027bae2d in QInotifyFileSystemWatcherEngine::run (this=0x902cc90) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x026e07b3 in QThreadPrivate::start (arg=0x902cc90) at thread/qthread_unix.cpp:331
#10 0x07cd8d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#11 0x00edc0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 3 (Thread 0xafe91b70 (LWP 1667)):
#0  0x00e02d10 in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0x027377d5 in do_gettime (frac=0xafe91000, sec=0xafe90ff8) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x0280a4b6 in QTimerInfoList::updateCurrentTime (this=0x959d444) at kernel/qeventdispatcher_unix.cpp:339
#4  0x0280a80a in QTimerInfoList::timerWait (this=0x959d444, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x02809053 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xafe9110c) at kernel/qeventdispatcher_glib.cpp:136
#6  0x028090ed in timerSourcePrepare (source=0x959d410, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x0209e88c in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x0209f637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x0209fc2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x02809b37 in QEventDispatcherGlib::processEvents (this=0x9580e98, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0x027da1dd in QEventLoop::processEvents (this=0xafe91290, flags=...) at kernel/qeventloop.cpp:149
#12 0x027da421 in QEventLoop::exec (this=0xafe91290, flags=...) at kernel/qeventloop.cpp:201
#13 0x026dd90b in QThread::exec (this=0x95528f0) at thread/qthread.cpp:498
#14 0x027bae2d in QInotifyFileSystemWatcherEngine::run (this=0x95528f0) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x026e07b3 in QThreadPrivate::start (arg=0x95528f0) at thread/qthread_unix.cpp:331
#16 0x07cd8d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#17 0x00edc0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 2 (Thread 0xae63cb70 (LWP 1673)):
#0  0x00ee9ee8 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#1  0x0209deda in g_main_context_acquire () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x0209f56d in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x0209ff9b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x071edcea in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#5  0x020c65f4 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0x07cd8d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#7  0x00edc0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb787c730 (LWP 1665)):
[KCrash Handler]
#7  operator== (r2=..., r1=...) at /usr/include/qt4/QtCore/qrect.h:498
#8  TaskManager::Task::publishIconGeometry (this=0x95dda50, rect=...) at ../../../libs/taskmanager/task_x11.cpp:259
#9  0x08ab66e4 in publishIconGeometry (this=0xa5e62e8) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:125
#10 WindowTaskItem::publishIconGeometry (this=0xa5e62e8) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:118
#11 0x08ac7688 in AbstractTaskItem::timerEvent (this=0xa5e62e8, event=0xbfbc6d0c) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#12 0x027f3994 in QObject::event (this=0xa5e62e8, e=0xbfbc6d0c) at kernel/qobject.cpp:1181
#13 0x0312cbd4 in QGraphicsWidget::event (this=0xa5e62e8, event=0xbfbc6d0c) at graphicsview/qgraphicswidget.cpp:1455
#14 0x02a6dd54 in notify_helper (e=0xbfbc6d0c, receiver=0xa5e62e8, this=0x8ba6c10) at kernel/qapplication.cpp:4486
#15 QApplicationPrivate::notify_helper (this=0x8ba6c10, receiver=0xa5e62e8, e=0xbfbc6d0c) at kernel/qapplication.cpp:4458
#16 0x02a73103 in QApplication::notify (this=0xbfbc6d0c, receiver=0xa5e62e8, e=0xbfbc6d0c) at kernel/qapplication.cpp:3886
#17 0x011b8681 in KApplication::notify (this=0x8b9c408, receiver=0xa5e62e8, event=0xbfbc6d0c) at ../../kdeui/kernel/kapplication.cpp:311
#18 0x027db19e in QCoreApplication::notifyInternal (this=0x8b9c408, receiver=0xa5e62e8, event=0xbfbc6d0c) at kernel/qcoreapplication.cpp:787
#19 0x0280bc10 in sendEvent (event=0xbfbc6d0c, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QTimerInfoList::activateTimers (this=0x8bac694) at kernel/qeventdispatcher_unix.cpp:603
#21 0x02809155 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#22 idleTimerSourceDispatch (source=0x8bab910) at kernel/qeventdispatcher_glib.cpp:231
#23 0x0209f25f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#24 0x0209f990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#25 0x0209fc2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#26 0x02809ada in QEventDispatcherGlib::processEvents (this=0x8b5e218, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#27 0x02b25e3a in QGuiEventDispatcherGlib::processEvents (this=0x8b5e218, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#28 0x027da1dd in QEventLoop::processEvents (this=0xbfbc6f84, flags=...) at kernel/qeventloop.cpp:149
#29 0x027da421 in QEventLoop::exec (this=0xbfbc6f84, flags=...) at kernel/qeventloop.cpp:201
#30 0x027df19d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#31 0x02a6b8f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#32 0x005c018b in kdemain (argc=1, argv=0xbfbc7184) at ../../../../plasma/desktop/shell/main.cpp:120
#33 0x0804850b in main (argc=1, argv=0xbfbc7184) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 288558, bug 287868, bug 287352, bug 280744.

Reported using DrKonqi