Bug 289040

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 x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:
Adding new Widget to Activity

- Unusual behavior I noticed:
I always use dual monitor, and both were all black screen, like KDE stop working, with CTRL+ALT+F1 I could login use the system via console, tryed 'sudo restart kdm' but with no success

- Custom settings of the application:
Always use dual monitors

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7ff2f08d87a0 (LWP 1738))]

Thread 5 (Thread 0x7ff2cfd5b700 (LWP 1757)):
#0  0x00007ff2e5252040 in __pthread_mutex_lock (mutex=0x2061c68) at pthread_mutex_lock.c:62
#1  0x00007ff2e4742023 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff2e4742dfd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff2e4743429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff2ed3a9f3e in QEventDispatcherGlib::processEvents (this=0x20611f0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007ff2ed37dcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007ff2ed37def7 in QEventLoop::exec (this=0x7ff2cfd5adb0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007ff2ed29527f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#8  0x00007ff2ed360cbf in QInotifyFileSystemWatcherEngine::run (this=0x205fae0) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007ff2ed297d05 in QThreadPrivate::start (arg=0x205fae0) at thread/qthread_unix.cpp:331
#10 0x00007ff2e524fefc in start_thread (arg=0x7ff2cfd5b700) at pthread_create.c:304
#11 0x00007ff2f01c389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7ff2c6a18700 (LWP 1758)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007ff2c6a17ad0 in ?? ()
#2  0x00007fff7f7dd7e7 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 3 (Thread 0x7ff2c0dcb700 (LWP 1766)):
#0  0x00007ff2f01b7773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ff2e4742f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff2e4743792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff2c18a9516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007ff2e47682b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ff2e524fefc in start_thread (arg=0x7ff2c0dcb700) at pthread_create.c:304
#6  0x00007ff2f01c389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7ff2c35fb700 (LWP 2189)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ff2ea3aefe2 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007ff2ea3af019 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007ff2e524fefc in start_thread (arg=0x7ff2c35fb700) at pthread_create.c:304
#4  0x00007ff2f01c389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ff2f08d87a0 (LWP 1738)):
[KCrash Handler]
#6  QGraphicsLayoutItemPrivate::hasHeightForWidth (this=0x21) at graphicsview/qgraphicslayoutitem.cpp:280
#7  0x00007ff2ecd56591 in QGridLayoutItem::hasDynamicConstraint (this=<optimized out>) at graphicsview/qgridlayoutengine.cpp:576
#8  0x00007ff2ecd576b2 in ensureDynamicConstraint (this=0x4ce7580) at graphicsview/qgridlayoutengine.cpp:1657
#9  QGridLayoutEngine::ensureDynamicConstraint (this=0x4ce7580) at graphicsview/qgridlayoutengine.cpp:1652
#10 0x00007ff2ecd57769 in QGridLayoutEngine::hasDynamicConstraint (this=0x4ce7580) at graphicsview/qgridlayoutengine.cpp:1677
#11 0x00007ff2ecd5ba98 in QGridLayoutEngine::sizeHint (this=0x4ce7580, styleInfo=..., which=Qt::MaximumSize, constraint=...) at graphicsview/qgridlayoutengine.cpp:1134
#12 0x00007ff2ecce501a in QGraphicsGridLayout::sizeHint (this=<optimized out>, which=Qt::MaximumSize, constraint=...) at graphicsview/qgraphicsgridlayout.cpp:656
#13 0x00007ff2ecd0fbd9 in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x4ce7470, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:169
#14 0x00007ff2ecd10491 in effectiveSizeHint (constraint=<optimized out>, which=<optimized out>, this=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:818
#15 QGraphicsLayoutItem::effectiveSizeHint (this=<optimized out>, which=<optimized out>, constraint=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:810
#16 0x00007ff2ecd4d231 in QGraphicsWidget::sizeHint (this=<optimized out>, which=<optimized out>, constraint=<optimized out>) at graphicsview/qgraphicswidget.cpp:743
#17 0x00007ff2ecd0fcaf in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x4ce7380, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:175
#18 0x00007ff2ecd10491 in effectiveSizeHint (constraint=<optimized out>, which=<optimized out>, this=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:818
#19 QGraphicsLayoutItem::effectiveSizeHint (this=<optimized out>, which=<optimized out>, constraint=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:810
#20 0x00007ff2d6746905 in SystemTray::TaskArea::adjustHiddentTasksWidget (this=0x4cef6a0) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:452
#21 0x00007ff2d67485d9 in SystemTray::TaskArea::addWidgetForTask (this=0x4cef6a0, task=0x2b25e70) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:320
#22 0x00007ff2d6748926 in SystemTray::TaskArea::addTask (this=0x4cef6a0, task=<optimized out>) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:196
#23 0x00007ff2d6749124 in SystemTray::TaskArea::qt_metacall (this=0x4cef6a0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff7f7dacf0) at ./taskarea.moc:89
#24 0x00007ff2ed391eba in QMetaObject::activate (sender=0x1cb1a20, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff7f7dacf0) at kernel/qobject.cpp:3278
#25 0x00007ff2d672b87f in SystemTray::Manager::taskAdded (this=<optimized out>, _t1=0x2b25e70) at ./manager.moc:99
#26 0x00007ff2d672ba95 in SystemTray::Manager::addTask (this=0x1cb1a20, task=0x2b25e70) at ../../../../../plasma/generic/applets/systemtray/core/manager.cpp:87
#27 0x00007ff2d672bbe4 in SystemTray::Manager::qt_metacall (this=0x1cb1a20, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff7f7dae60) at ./manager.moc:86
#28 0x00007ff2ed391eba in QMetaObject::activate (sender=0x1cb1840, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff7f7dae60) at kernel/qobject.cpp:3278
#29 0x00007ff2d672c08f in SystemTray::Protocol::taskCreated (this=<optimized out>, _t1=0x2b25e70) at ./protocol.moc:91
#30 0x00007ff2d6733178 in SystemTray::PlasmoidProtocol::addApplet (this=0x1cb1840, appletName=..., id=<optimized out>, parent=0x4cecc60) at ../../../../../plasma/generic/applets/systemtray/protocols/plasmoid/plasmoidtaskprotocol.cpp:112
#31 0x00007ff2d672b6d6 in SystemTray::Manager::addApplet (this=<optimized out>, appletName=<optimized out>, parent=<optimized out>) at ../../../../../plasma/generic/applets/systemtray/core/manager.cpp:110
#32 0x00007ff2d673d962 in SystemTray::Applet::checkDefaultApplets (this=0x4cecc60) at ../../../../../plasma/generic/applets/systemtray/ui/applet.cpp:750
#33 0x00007ff2d673ea4c in SystemTray::Applet::qt_metacall (this=0x4cecc60, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x4d1d220) at ./applet.moc:91
#34 0x00007ff2ed395a5e in QObject::event (this=0x4cecc60, e=<optimized out>) at kernel/qobject.cpp:1217
#35 0x00007ff2ecd4d89b in QGraphicsWidget::event (this=0x4cecc60, event=0x4d1d4b0) at graphicsview/qgraphicswidget.cpp:1455
#36 0x00007ff2ec72f424 in notify_helper (e=0x4d1d4b0, receiver=0x4cecc60, this=0x17a52d0) at kernel/qapplication.cpp:4486
#37 QApplicationPrivate::notify_helper (this=0x17a52d0, receiver=0x4cecc60, e=0x4d1d4b0) at kernel/qapplication.cpp:4458
#38 0x00007ff2ec734291 in QApplication::notify (this=0x1799400, receiver=0x4cecc60, e=0x4d1d4b0) at kernel/qapplication.cpp:4365
#39 0x00007ff2ee02d126 in KApplication::notify (this=0x1799400, receiver=0x4cecc60, event=0x4d1d4b0) at ../../kdeui/kernel/kapplication.cpp:311
#40 0x00007ff2ed37eafc in QCoreApplication::notifyInternal (this=0x1799400, receiver=0x4cecc60, event=0x4d1d4b0) at kernel/qcoreapplication.cpp:787
#41 0x00007ff2ed38251f in sendEvent (event=0x4d1d4b0, receiver=0x4cecc60) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#42 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1739430) at kernel/qcoreapplication.cpp:1428
#43 0x00007ff2ed3a9a73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#44 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#45 0x00007ff2e4742a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#46 0x00007ff2e4743258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007ff2e4743429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007ff2ed3a9ed6 in QEventDispatcherGlib::processEvents (this=0x173af40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#49 0x00007ff2ec7d707e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#50 0x00007ff2ed37dcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#51 0x00007ff2ed37def7 in QEventLoop::exec (this=0x7fff7f7db8c0, flags=...) at kernel/qeventloop.cpp:201
#52 0x00007ff2ed382789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#53 0x00007ff2f04c21a3 in kdemain (argc=1, argv=0x7fff7f7dbca8) at ../../../../plasma/desktop/shell/main.cpp:120
#54 0x00007ff2f010330d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff7f7dbca8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff7f7dbc98) at libc-start.c:226
#55 0x0000000000400671 in _start ()

Possible duplicates by query: bug 288431, bug 288371, bug 288236, bug 288137, bug 288003.

Reported using DrKonqi