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-pae i686
Distribution: Ubuntu 11.10

-- Information about the crash:
Plasma crashed right after I closed a terminal window.  Shortly before this happened I installed the new kernel update and rebooted.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb1ebfb20 (LWP 2495))]

Thread 3 (Thread 0xab1bdb70 (LWP 2496)):
#0  0xb2f95d10 in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0xb63817d5 in do_gettime (frac=0xab1bd010, sec=0xab1bd008) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0xb64544b6 in QTimerInfoList::updateCurrentTime (this=0xa1f8d34) at kernel/qeventdispatcher_unix.cpp:339
#4  0xb645480a in QTimerInfoList::timerWait (this=0xa1f8d34, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0xb6453053 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xab1bd11c) at kernel/qeventdispatcher_glib.cpp:136
#6  0xb64530ed in timerSourcePrepare (source=0xa1f8d00, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0xb2eda88c in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb2edb637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0xb2edbc2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0xb6453b37 in QEventDispatcherGlib::processEvents (this=0xa1f73a8, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0xb64241dd in QEventLoop::processEvents (this=0xab1bd2a0, flags=...) at kernel/qeventloop.cpp:149
#12 0xb6424421 in QEventLoop::exec (this=0xab1bd2a0, flags=...) at kernel/qeventloop.cpp:201
#13 0xb632790b in QThread::exec (this=0xa1f4128) at thread/qthread.cpp:498
#14 0xb6404e2d in QInotifyFileSystemWatcherEngine::run (this=0xa1f4128) at io/qfilesystemwatcher_inotify.cpp:248
#15 0xb632a7b3 in QThreadPrivate::start (arg=0xa1f4128) at thread/qthread_unix.cpp:331
#16 0xb2ff5d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#17 0xb76080ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 2 (Thread 0xa96e7b70 (LWP 2497)):
#0  0xb2f95d10 in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0xb63817d5 in do_gettime (frac=0xa96e7010, sec=0xa96e7008) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0xb64544b6 in QTimerInfoList::updateCurrentTime (this=0xa326a24) at kernel/qeventdispatcher_unix.cpp:339
#4  0xb645480a in QTimerInfoList::timerWait (this=0xa326a24, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0xb6453053 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xa96e711c) at kernel/qeventdispatcher_glib.cpp:136
#6  0xb64530ed in timerSourcePrepare (source=0xa3269f0, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0xb2eda88c in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb2edb637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0xb2edbc2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0xb6453b37 in QEventDispatcherGlib::processEvents (this=0x9e70318, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0xb64241dd in QEventLoop::processEvents (this=0xa96e72a0, flags=...) at kernel/qeventloop.cpp:149
#12 0xb6424421 in QEventLoop::exec (this=0xa96e72a0, flags=...) at kernel/qeventloop.cpp:201
#13 0xb632790b in QThread::exec (this=0x9e705e0) at thread/qthread.cpp:498
#14 0xb6404e2d in QInotifyFileSystemWatcherEngine::run (this=0x9e705e0) at io/qfilesystemwatcher_inotify.cpp:248
#15 0xb632a7b3 in QThreadPrivate::start (arg=0x9e705e0) at thread/qthread_unix.cpp:331
#16 0xb2ff5d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#17 0xb76080ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb1ebfb20 (LWP 2495)):
[KCrash Handler]
#7  isNull (this=0xa593bea) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#8  operator! (this=0xa593bea) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#9  TaskManager::TaskItem::task (this=0xa593bd8) at ../../../libs/taskmanager/taskitem.cpp:113
#10 0xb0a1d662 in WindowTaskItem::publishIconGeometry (this=0xab3e4a8) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#11 0xb0a2e688 in AbstractTaskItem::timerEvent (this=0xab3e4a8, event=0xbf9fe2bc) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#12 0xb643d994 in QObject::event (this=0xab3e4a8, e=0xbf9fe2bc) at kernel/qobject.cpp:1181
#13 0xb600fbd4 in QGraphicsWidget::event (this=0xab3e4a8, event=0xbf9fe2bc) at graphicsview/qgraphicswidget.cpp:1455
#14 0xb5950d54 in notify_helper (e=0xbf9fe2bc, receiver=0xab3e4a8, this=0x9a78738) at kernel/qapplication.cpp:4486
#15 QApplicationPrivate::notify_helper (this=0x9a78738, receiver=0xab3e4a8, e=0xbf9fe2bc) at kernel/qapplication.cpp:4458
#16 0xb5956103 in QApplication::notify (this=0xbf9fe2bc, receiver=0xab3e4a8, e=0xbf9fe2bc) at kernel/qapplication.cpp:3886
#17 0xb6a8a681 in KApplication::notify (this=0x9a67110, receiver=0xab3e4a8, event=0xbf9fe2bc) at ../../kdeui/kernel/kapplication.cpp:311
#18 0xb642519e in QCoreApplication::notifyInternal (this=0x9a67110, receiver=0xab3e4a8, event=0xbf9fe2bc) at kernel/qcoreapplication.cpp:787
#19 0xb6455c10 in sendEvent (event=0xbf9fe2bc, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QTimerInfoList::activateTimers (this=0x9a7bb8c) at kernel/qeventdispatcher_unix.cpp:603
#21 0xb6453155 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#22 idleTimerSourceDispatch (source=0x9a7bbc0) at kernel/qeventdispatcher_glib.cpp:231
#23 0xb2edb25f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#24 0xb2edb990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#25 0xb2edbc2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#26 0xb6453ada in QEventDispatcherGlib::processEvents (this=0x9a2b218, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#27 0xb5a08e3a in QGuiEventDispatcherGlib::processEvents (this=0x9a2b218, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#28 0xb64241dd in QEventLoop::processEvents (this=0xbf9fe534, flags=...) at kernel/qeventloop.cpp:149
#29 0xb6424421 in QEventLoop::exec (this=0xbf9fe534, flags=...) at kernel/qeventloop.cpp:201
#30 0xb642919d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#31 0xb594e8f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#32 0xb770418b in kdemain (argc=1, argv=0xbf9fe734) at ../../../../plasma/desktop/shell/main.cpp:120
#33 0x0804850b in main (argc=1, argv=0xbf9fe734) at plasma-desktop_dummy.cpp:3

This bug may be a duplicate of or related to bug 291918.

Possible duplicates by query: bug 292112, bug 292104, bug 292102, bug 292079, bug 292063.

Reported using DrKonqi