Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-15-generic i686
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:

I was browsing on Google Chrome. and listening music on Amarok.
And for no reason Plasma crashed, taskbar disappeared, and this Crash Reporting Assistant was activated.

It happens everyday for about 10 times.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb770d940 (LWP 1687))]

Thread 3 (Thread 0xb0e09b70 (LWP 1700)):
#0  0x00e16d10 in __GI_clock_gettime (clock_id=1, tp=0xb0e09018) at ../sysdeps/unix/clock_gettime.c:116
#1  0x07ca87d5 in do_gettime (frac=0xb0e09010, sec=0xb0e09008) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x07d7b4b6 in QTimerInfoList::updateCurrentTime (this=0x8e7e974) at kernel/qeventdispatcher_unix.cpp:339
#4  0x07d7b80a in QTimerInfoList::timerWait (this=0x8e7e974, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x07d7a053 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xb0e0911c) at kernel/qeventdispatcher_glib.cpp:136
#6  0x07d7a0ed in timerSourcePrepare (source=0x8e7e940, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x05c9888c in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x05c99637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x05c99c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x07d7ab37 in QEventDispatcherGlib::processEvents (this=0x8e7aea8, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0x07d4b1dd in QEventLoop::processEvents (this=0xb0e092a0, flags=...) at kernel/qeventloop.cpp:149
#12 0x07d4b421 in QEventLoop::exec (this=0xb0e092a0, flags=...) at kernel/qeventloop.cpp:201
#13 0x07c4e90b in QThread::exec (this=0x8e7b730) at thread/qthread.cpp:498
#14 0x07d2be2d in QInotifyFileSystemWatcherEngine::run (this=0x8e7b730) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x07c517b3 in QThreadPrivate::start (arg=0x8e7b730) at thread/qthread_unix.cpp:331
#16 0x05161d31 in start_thread (arg=0xb0e09b70) at pthread_create.c:304
#17 0x00ef40ce 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 0xaf6beb70 (LWP 1711)):
#0  0x00e16d10 in __GI_clock_gettime (clock_id=1, tp=0xaf6be018) at ../sysdeps/unix/clock_gettime.c:116
#1  0x07ca87d5 in do_gettime (frac=0xaf6be010, sec=0xaf6be008) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x07d7b4b6 in QTimerInfoList::updateCurrentTime (this=0xb0500534) at kernel/qeventdispatcher_unix.cpp:339
#4  0x07d7b80a in QTimerInfoList::timerWait (this=0xb0500534, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x07d7a053 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xaf6be11c) at kernel/qeventdispatcher_glib.cpp:136
#6  0x07d7a0ed in timerSourcePrepare (source=0xb0500500, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x05c9888c in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x05c99637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x05c99c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x07d7ab37 in QEventDispatcherGlib::processEvents (this=0x9174800, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0x07d4b1dd in QEventLoop::processEvents (this=0xaf6be2a0, flags=...) at kernel/qeventloop.cpp:149
#12 0x07d4b421 in QEventLoop::exec (this=0xaf6be2a0, flags=...) at kernel/qeventloop.cpp:201
#13 0x07c4e90b in QThread::exec (this=0x91730d8) at thread/qthread.cpp:498
#14 0x07d2be2d in QInotifyFileSystemWatcherEngine::run (this=0x91730d8) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x07c517b3 in QThreadPrivate::start (arg=0x91730d8) at thread/qthread_unix.cpp:331
#16 0x05161d31 in start_thread (arg=0xaf6beb70) at pthread_create.c:304
#17 0x00ef40ce 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 0xb770d940 (LWP 1687)):
[KCrash Handler]
#7  isNull (this=0xe0) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#8  operator! (this=0xe0) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#9  TaskManager::TaskItem::task (this=0x9f7bb98) at ../../../libs/taskmanager/taskitem.cpp:113
#10 0x053b6662 in WindowTaskItem::publishIconGeometry (this=0x9eca7a8) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#11 0x053c7688 in AbstractTaskItem::timerEvent (this=0x9eca7a8, event=0xbfa7b7bc) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#12 0x07d64994 in QObject::event (this=0x9eca7a8, e=0xbfa7b7bc) at kernel/qobject.cpp:1181
#13 0x0361fbd4 in QGraphicsWidget::event (this=0x9eca7a8, event=0xbfa7b7bc) at graphicsview/qgraphicswidget.cpp:1455
#14 0x02f60d54 in notify_helper (e=0xbfa7b7bc, receiver=0x9eca7a8, this=0x8588598) at kernel/qapplication.cpp:4486
#15 QApplicationPrivate::notify_helper (this=0x8588598, receiver=0x9eca7a8, e=0xbfa7b7bc) at kernel/qapplication.cpp:4458
#16 0x02f66103 in QApplication::notify (this=0xbfa7b7bc, receiver=0x9eca7a8, e=0xbfa7b7bc) at kernel/qapplication.cpp:3886
#17 0x01185681 in KApplication::notify (this=0x856a210, receiver=0x9eca7a8, event=0xbfa7b7bc) at ../../kdeui/kernel/kapplication.cpp:311
#18 0x07d4c19e in QCoreApplication::notifyInternal (this=0x856a210, receiver=0x9eca7a8, event=0xbfa7b7bc) at kernel/qcoreapplication.cpp:787
#19 0x07d7cc10 in sendEvent (event=0xbfa7b7bc, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QTimerInfoList::activateTimers (this=0x8585734) at kernel/qeventdispatcher_unix.cpp:603
#21 0x07d7a122 in timerSourceDispatch (source=0x8585700) at kernel/qeventdispatcher_glib.cpp:184
#22 0x05c9925f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#23 0x05c99990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#24 0x05c99c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#25 0x07d7aada in QEventDispatcherGlib::processEvents (this=0x8530218, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#26 0x03018e3a in QGuiEventDispatcherGlib::processEvents (this=0x8530218, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x07d4b1dd in QEventLoop::processEvents (this=0xbfa7ba34, flags=...) at kernel/qeventloop.cpp:149
#28 0x07d4b421 in QEventLoop::exec (this=0xbfa7ba34, flags=...) at kernel/qeventloop.cpp:201
#29 0x07d5019d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#30 0x02f5e8f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#31 0x0014518b in kdemain (argc=1, argv=0xbfa7bc34) at ../../../../plasma/desktop/shell/main.cpp:120
#32 0x0804850b in main (argc=1, argv=0xbfa7bc34) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 292271, bug 292267, bug 292259, bug 292254, bug 292253.

Reported using DrKonqi