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 x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:
I installed fglrx.
Tried fglrx, fglrx-update and online 11-12 from ATI.
After Rebooting and loggin in, I can see no windows. After right-Clicking -> Add Menu -> Default Bar Plasma Crashes.
- Custom settings of the application:

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma-Desktop-Umgebung (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fcaf99147a0 (LWP 3339))]

Thread 5 (Thread 0x7fcad7499700 (LWP 3340)):
#0  0x00007fcaf91e9773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fcaed773f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcaed774429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcaf63daf3e in QEventDispatcherGlib::processEvents (this=0x2cfd000, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fcaf63aecf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fcaf63aeef7 in QEventLoop::exec (this=0x7fcad7498db0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fcaf62c627f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fcaf6391cbf in QInotifyFileSystemWatcherEngine::run (this=0x2cfb970) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fcaf62c8d05 in QThreadPrivate::start (arg=0x2cfb970) at thread/qthread_unix.cpp:331
#9  0x00007fcaee280efc in start_thread (arg=0x7fcad7499700) at pthread_create.c:304
#10 0x00007fcaf91f589d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fcad4acd700 (LWP 3341)):
#0  0x00007fcaf9203acb in pthread_mutex_unlock (mutex=0x2ecaf78) at forward.c:184
#1  0x00007fcaed773f9a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcaed774429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcaf63daf3e in QEventDispatcherGlib::processEvents (this=0x2eca970, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fcaf63aecf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fcaf63aeef7 in QEventLoop::exec (this=0x7fcad4accdb0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fcaf62c627f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fcaf6391cbf in QInotifyFileSystemWatcherEngine::run (this=0x2838040) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fcaf62c8d05 in QThreadPrivate::start (arg=0x2838040) at thread/qthread_unix.cpp:331
#9  0x00007fcaee280efc in start_thread (arg=0x7fcad4acd700) at pthread_create.c:304
#10 0x00007fcaf91f589d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fcacd7d3700 (LWP 3347)):
#0  0x00007fcaf91e9773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fcaed773f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcaed774792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcace2b1516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fcaed7992b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fcaee280efc in start_thread (arg=0x7fcacd7d3700) at pthread_create.c:304
#6  0x00007fcaf91f589d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fcac5f7f700 (LWP 3597)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fcaf33dffe2 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fcaf33e0019 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fcaee280efc in start_thread (arg=0x7fcac5f7f700) at pthread_create.c:304
#4  0x00007fcaf91f589d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fcaf99147a0 (LWP 3339)):
[KCrash Handler]
#6  QGraphicsLayoutItem::graphicsItem (this=0x0) at graphicsview/qgraphicslayoutitem.cpp:920
#7  0x00007fcaf5d418f1 in QGraphicsLayoutItemPrivate::hasHeightForWidth (this=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:286
#8  0x00007fcaf5d87591 in QGridLayoutItem::hasDynamicConstraint (this=<optimized out>) at graphicsview/qgridlayoutengine.cpp:576
#9  0x00007fcaf5d886b2 in ensureDynamicConstraint (this=0x3c521c0) at graphicsview/qgridlayoutengine.cpp:1657
#10 QGridLayoutEngine::ensureDynamicConstraint (this=0x3c521c0) at graphicsview/qgridlayoutengine.cpp:1652
#11 0x00007fcaf5d88769 in QGridLayoutEngine::hasDynamicConstraint (this=0x3c521c0) at graphicsview/qgridlayoutengine.cpp:1677
#12 0x00007fcaf5d8ca98 in QGridLayoutEngine::sizeHint (this=0x3c521c0, styleInfo=..., which=Qt::MaximumSize, constraint=...) at graphicsview/qgridlayoutengine.cpp:1134
#13 0x00007fcaf5d1601a in QGraphicsGridLayout::sizeHint (this=<optimized out>, which=Qt::MaximumSize, constraint=...) at graphicsview/qgraphicsgridlayout.cpp:656
#14 0x00007fcaf5d40bd9 in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x3c520b0, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:169
#15 0x00007fcaf5d41491 in effectiveSizeHint (constraint=<optimized out>, which=<optimized out>, this=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:818
#16 QGraphicsLayoutItem::effectiveSizeHint (this=<optimized out>, which=<optimized out>, constraint=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:810
#17 0x00007fcaf5d7e231 in QGraphicsWidget::sizeHint (this=<optimized out>, which=<optimized out>, constraint=<optimized out>) at graphicsview/qgraphicswidget.cpp:743
#18 0x00007fcaf5d40caf in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x3c51fc0, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:175
#19 0x00007fcaf5d41491 in effectiveSizeHint (constraint=<optimized out>, which=<optimized out>, this=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:818
#20 QGraphicsLayoutItem::effectiveSizeHint (this=<optimized out>, which=<optimized out>, constraint=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:810
#21 0x00007fcadfe97905 in SystemTray::TaskArea::adjustHiddentTasksWidget (this=0x3bf46c0) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:452
#22 0x00007fcadfe995d9 in SystemTray::TaskArea::addWidgetForTask (this=0x3bf46c0, task=0x3febaa0) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:320
#23 0x00007fcadfe99926 in SystemTray::TaskArea::addTask (this=0x3bf46c0, task=<optimized out>) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:196
#24 0x00007fcadfe9a124 in SystemTray::TaskArea::qt_metacall (this=0x3bf46c0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff83abcca0) at ./taskarea.moc:89
#25 0x00007fcaf63c2eba in QMetaObject::activate (sender=0x27f9ef0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff83abcca0) at kernel/qobject.cpp:3278
#26 0x00007fcadfe7c87f in SystemTray::Manager::taskAdded (this=<optimized out>, _t1=0x3febaa0) at ./manager.moc:99
#27 0x00007fcadfe7ca95 in SystemTray::Manager::addTask (this=0x27f9ef0, task=0x3febaa0) at ../../../../../plasma/generic/applets/systemtray/core/manager.cpp:87
#28 0x00007fcadfe7cbe4 in SystemTray::Manager::qt_metacall (this=0x27f9ef0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff83abce10) at ./manager.moc:86
#29 0x00007fcaf63c2eba in QMetaObject::activate (sender=0x27f5dd0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff83abce10) at kernel/qobject.cpp:3278
#30 0x00007fcadfe7d08f in SystemTray::Protocol::taskCreated (this=<optimized out>, _t1=0x3febaa0) at ./protocol.moc:91
#31 0x00007fcadfe84178 in SystemTray::PlasmoidProtocol::addApplet (this=0x27f5dd0, appletName=..., id=<optimized out>, parent=0x3c4a700) at ../../../../../plasma/generic/applets/systemtray/protocols/plasmoid/plasmoidtaskprotocol.cpp:112
#32 0x00007fcadfe7c6d6 in SystemTray::Manager::addApplet (this=<optimized out>, appletName=<optimized out>, parent=<optimized out>) at ../../../../../plasma/generic/applets/systemtray/core/manager.cpp:110
#33 0x00007fcadfe8ea30 in SystemTray::Applet::checkDefaultApplets (this=0x3c4a700) at ../../../../../plasma/generic/applets/systemtray/ui/applet.cpp:737
#34 0x00007fcadfe8fa4c in SystemTray::Applet::qt_metacall (this=0x3c4a700, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x3c34e20) at ./applet.moc:91
#35 0x00007fcaf63c6a5e in QObject::event (this=0x3c4a700, e=<optimized out>) at kernel/qobject.cpp:1217
#36 0x00007fcaf5d7e89b in QGraphicsWidget::event (this=0x3c4a700, event=0x3c2e7f0) at graphicsview/qgraphicswidget.cpp:1455
#37 0x00007fcaf5760424 in notify_helper (e=0x3c2e7f0, receiver=0x3c4a700, this=0x22cf340) at kernel/qapplication.cpp:4486
#38 QApplicationPrivate::notify_helper (this=0x22cf340, receiver=0x3c4a700, e=0x3c2e7f0) at kernel/qapplication.cpp:4458
#39 0x00007fcaf5765291 in QApplication::notify (this=0x22c0790, receiver=0x3c4a700, e=0x3c2e7f0) at kernel/qapplication.cpp:4365
#40 0x00007fcaf705e126 in KApplication::notify (this=0x22c0790, receiver=0x3c4a700, event=0x3c2e7f0) at ../../kdeui/kernel/kapplication.cpp:311
#41 0x00007fcaf63afafc in QCoreApplication::notifyInternal (this=0x22c0790, receiver=0x3c4a700, event=0x3c2e7f0) at kernel/qcoreapplication.cpp:787
#42 0x00007fcaf63b351f in sendEvent (event=0x3c2e7f0, receiver=0x3c4a700) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#43 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x2248430) at kernel/qcoreapplication.cpp:1428
#44 0x00007fcaf63daa73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#45 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#46 0x00007fcaed773a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007fcaed774258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007fcaed774429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#49 0x00007fcaf63daed6 in QEventDispatcherGlib::processEvents (this=0x2249f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#50 0x00007fcaf580807e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#51 0x00007fcaf63aecf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#52 0x00007fcaf63aeef7 in QEventLoop::exec (this=0x7fff83abd870, flags=...) at kernel/qeventloop.cpp:201
#53 0x00007fcaf63b3789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#54 0x00007fcaf94f41a3 in kdemain (argc=1, argv=0x7fff83abdc58) at ../../../../plasma/desktop/shell/main.cpp:120
#55 0x00007fcaf913530d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff83abdc58, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff83abdc48) at libc-start.c:226
#56 0x0000000000400671 in _start ()

Possible duplicates by query: bug 291246, bug 290919, bug 290092, bug 289670, bug 289155.

Reported using DrKonqi