Bug 289350

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.2 (4.7.2)
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: Checked my mails with Thunderbird, opened Firefox, there was a warning concerning the Mail Dispatcher Agent

-- Backtrace:
Application: Plasma-Desktop-Umgebung (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb789ab20 (LWP 1614))]

Thread 4 (Thread 0xb1647b70 (LWP 1626)):
#0  0x00b28d10 in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0x03be17d5 in do_gettime (frac=0xb1647010, sec=0xb1647008) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x03cb44b6 in QTimerInfoList::updateCurrentTime (this=0xa4cf8cc) at kernel/qeventdispatcher_unix.cpp:339
#4  0x03cb480a in QTimerInfoList::timerWait (this=0xa4cf8cc, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x03cb3053 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xb164711c) at kernel/qeventdispatcher_glib.cpp:136
#6  0x03cb30ed in timerSourcePrepare (source=0xa4cf898, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x03a0e88c in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x03a0f637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x03a0fc2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x03cb3b37 in QEventDispatcherGlib::processEvents (this=0xa4c90e0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0x03c841dd in QEventLoop::processEvents (this=0xb16472a0, flags=...) at kernel/qeventloop.cpp:149
#12 0x03c84421 in QEventLoop::exec (this=0xb16472a0, flags=...) at kernel/qeventloop.cpp:201
#13 0x03b8790b in QThread::exec (this=0xa4c7990) at thread/qthread.cpp:498
#14 0x03c64e2d in QInotifyFileSystemWatcherEngine::run (this=0xa4c7990) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x03b8a7b3 in QThreadPrivate::start (arg=0xa4c7990) at thread/qthread_unix.cpp:331
#16 0x07e42d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#17 0x003110ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 3 (Thread 0xafb07b70 (LWP 1627)):
#0  0x0031ef37 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libc.so.6
#1  0x03a0e87f in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x03a0f637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x03a0fc2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x03cb3b37 in QEventDispatcherGlib::processEvents (this=0xa65e360, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x03c841dd in QEventLoop::processEvents (this=0xafb072a0, flags=...) at kernel/qeventloop.cpp:149
#6  0x03c84421 in QEventLoop::exec (this=0xafb072a0, flags=...) at kernel/qeventloop.cpp:201
#7  0x03b8790b in QThread::exec (this=0xa30fb38) at thread/qthread.cpp:498
#8  0x03c64e2d in QInotifyFileSystemWatcherEngine::run (this=0xa30fb38) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x03b8a7b3 in QThreadPrivate::start (arg=0xa30fb38) at thread/qthread_unix.cpp:331
#10 0x07e42d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#11 0x003110ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 2 (Thread 0xad885b70 (LWP 1635)):
#0  0x0023e416 in __kernel_vsyscall ()
#1  0x0030240e in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0x03a1e34b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x03a0f896 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x03a0ff9b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x07195cea in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#6  0x03a365f4 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0x07e42d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0x003110ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb789ab20 (LWP 1614)):
[KCrash Handler]
#7  0x061bd1ea in vtable for QGraphicsLayoutItem () from /usr/lib/i386-linux-gnu/libQtGui.so.4
#8  0x048d196f in TaskGroupItem::~TaskGroupItem (this=0xac64f88, __in_chrg=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:82
#9  0x048d1a42 in TaskGroupItem::~TaskGroupItem (this=0xac64f88, __in_chrg=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:83
#10 0x03c985f3 in qDeleteInEventHandler (o=0xac64f88) at kernel/qobject.cpp:3986
#11 0x03c9db80 in QObject::event (this=0xac64f88, e=0xae82660) at kernel/qobject.cpp:1200
#12 0x05f23bd4 in QGraphicsWidget::event (this=0xac64f88, event=0xae82660) at graphicsview/qgraphicswidget.cpp:1455
#13 0x05864d54 in notify_helper (e=0xae82660, receiver=0xac64f88, this=0x9d37a40) at kernel/qapplication.cpp:4486
#14 QApplicationPrivate::notify_helper (this=0x9d37a40, receiver=0xac64f88, e=0xae82660) at kernel/qapplication.cpp:4458
#15 0x0586a103 in QApplication::notify (this=0xae82660, receiver=0xac64f88, e=0xae82660) at kernel/qapplication.cpp:3886
#16 0x01106681 in KApplication::notify (this=0x9d2ad50, receiver=0xac64f88, event=0xae82660) at ../../kdeui/kernel/kapplication.cpp:311
#17 0x03c8519e in QCoreApplication::notifyInternal (this=0x9d2ad50, receiver=0xac64f88, event=0xae82660) at kernel/qcoreapplication.cpp:787
#18 0x03c88f93 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#19 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52, data=0x9ce42e0) at kernel/qcoreapplication.cpp:1428
#20 0x03c890ec in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=52) at kernel/qcoreapplication.cpp:1321
#21 0x03c891d3 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1071
#22 0x058628f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#23 0x007f218b in kdemain (argc=1, argv=0xbf879ad4) at ../../../../plasma/desktop/shell/main.cpp:120
#24 0x0804850b in main (argc=1, argv=0xbf879ad4) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 286733, bug 285045, bug 279613.

Reported using DrKonqi