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:

activated opengl desktop effects
i've got an onboard VGA adapter

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7754b20 (LWP 1824))]

Thread 4 (Thread 0xb6affb70 (LWP 1828)):
#0  0x0025140e in poll () from /lib/i386-linux-gnu/libc.so.6
#1  0x03ea034b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x03e91896 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x03e91f9b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x04007cea in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#5  0x03eb85f4 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0x050ddd31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#7  0x002600ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 3 (Thread 0xaf0e2b70 (LWP 1829)):
#0  timerSourceCheck (source=0xa180900) at kernel/qeventdispatcher_glib.cpp:173
#1  0x03e90f24 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x03e918f0 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x03e91c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x091e9b37 in QEventDispatcherGlib::processEvents (this=0xa17f3b8, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x091ba1dd in QEventLoop::processEvents (this=0xaf0e22a0, flags=...) at kernel/qeventloop.cpp:149
#6  0x091ba421 in QEventLoop::exec (this=0xaf0e22a0, flags=...) at kernel/qeventloop.cpp:201
#7  0x090bd90b in QThread::exec (this=0xa184470) at thread/qthread.cpp:498
#8  0x0919ae2d in QInotifyFileSystemWatcherEngine::run (this=0xa184470) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x090c07b3 in QThreadPrivate::start (arg=0xa184470) at thread/qthread_unix.cpp:331
#10 0x050ddd31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#11 0x002600ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 2 (Thread 0xad921b70 (LWP 1830)):
#0  0x050e0d44 in __pthread_mutex_unlock_usercnt () from /lib/i386-linux-gnu/libpthread.so.0
#1  0x0026df54 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libc.so.6
#2  0x03e91102 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x03e91990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x03e91c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x091e9b37 in QEventDispatcherGlib::processEvents (this=0xa1dba38, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x091ba1dd in QEventLoop::processEvents (this=0xad9212a0, flags=...) at kernel/qeventloop.cpp:149
#7  0x091ba421 in QEventLoop::exec (this=0xad9212a0, flags=...) at kernel/qeventloop.cpp:201
#8  0x090bd90b in QThread::exec (this=0xa1d7268) at thread/qthread.cpp:498
#9  0x0919ae2d in QInotifyFileSystemWatcherEngine::run (this=0xa1d7268) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x090c07b3 in QThreadPrivate::start (arg=0xa1d7268) at thread/qthread_unix.cpp:331
#11 0x050ddd31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0x002600ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb7754b20 (LWP 1824)):
[KCrash Handler]
#7  ref (this=<optimized out>) at /usr/include/qt4/QtCore/qatomic_i386.h:120
#8  KSharedPtr (p=0x36, this=0xbf8b93f8) at /usr/include/KDE/../ksharedptr.h:77
#9  TaskManager::TaskItem::task (this=0xaf2c448) at ../../../libs/taskmanager/taskitem.cpp:116
#10 0x09398590 in WindowTaskItem::publishIconGeometry (this=0x9a824c0, rect=...) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:130
#11 0x093aab24 in TaskGroupItem::publishIconGeometry (this=0xa945290, rect=...) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1438
#12 0x093aa801 in publishIconGeometry (this=0xa945290) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1424
#13 TaskGroupItem::publishIconGeometry (this=0xa945290) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:1416
#14 0x093a9688 in AbstractTaskItem::timerEvent (this=0xa945290, event=0xbf8b994c) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#15 0x091d3994 in QObject::event (this=0xa945290, e=0xbf8b994c) at kernel/qobject.cpp:1181
#16 0x06965bd4 in QGraphicsWidget::event (this=0xa945290, event=0xbf8b994c) at graphicsview/qgraphicswidget.cpp:1455
#17 0x062a6d54 in notify_helper (e=0xbf8b994c, receiver=0xa945290, this=0x9597388) at kernel/qapplication.cpp:4486
#18 QApplicationPrivate::notify_helper (this=0x9597388, receiver=0xa945290, e=0xbf8b994c) at kernel/qapplication.cpp:4458
#19 0x062ac103 in QApplication::notify (this=0xbf8b994c, receiver=0xa945290, e=0xbf8b994c) at kernel/qapplication.cpp:3886
#20 0x01025681 in KApplication::notify (this=0x9585118, receiver=0xa945290, event=0xbf8b994c) at ../../kdeui/kernel/kapplication.cpp:311
#21 0x091bb19e in QCoreApplication::notifyInternal (this=0x9585118, receiver=0xa945290, event=0xbf8b994c) at kernel/qcoreapplication.cpp:787
#22 0x091ebc10 in sendEvent (event=0xbf8b994c, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#23 QTimerInfoList::activateTimers (this=0x9591e34) at kernel/qeventdispatcher_unix.cpp:603
#24 0x091e9155 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#25 idleTimerSourceDispatch (source=0x9591e68) at kernel/qeventdispatcher_glib.cpp:231
#26 0x03e9125f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#27 0x03e91990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#28 0x03e91c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#29 0x091e9ada in QEventDispatcherGlib::processEvents (this=0x953f230, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#30 0x0635ee3a in QGuiEventDispatcherGlib::processEvents (this=0x953f230, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#31 0x091ba1dd in QEventLoop::processEvents (this=0xbf8b9bc4, flags=...) at kernel/qeventloop.cpp:149
#32 0x091ba421 in QEventLoop::exec (this=0xbf8b9bc4, flags=...) at kernel/qeventloop.cpp:201
#33 0x091bf19d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#34 0x062a48f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#35 0x0014518b in kdemain (argc=1, argv=0xbf8b9dc4) at ../../../../plasma/desktop/shell/main.cpp:120
#36 0x0804850b in main (argc=1, argv=0xbf8b9dc4) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 287989, bug 287292, bug 286588, bug 286329, bug 286299.

Reported using DrKonqi