Bug 290092

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:Quand j'ouvre une fenetre le bouton Réduire ne marche pas il éteind l'application au lieu de la reduire
Le tableau de bord semble bloquer

The crash can be reproduced every time.

-- Backtrace:
Application: Outil de gestion de fenêtres Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f1b02faa7a0 (LWP 1811))]

Thread 5 (Thread 0x7f1adaa59700 (LWP 1814)):
#0  0x00007f1af7917034 in __pthread_mutex_lock (mutex=0x25046f8) at pthread_mutex_lock.c:61
#1  0x00007f1af6e07361 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1af6e07e6a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1af6e08429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1affa6ef3e in QEventDispatcherGlib::processEvents (this=0x25027a0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f1affa42cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f1affa42ef7 in QEventLoop::exec (this=0x7f1adaa58db0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007f1aff95a27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#8  0x00007f1affa25cbf in QInotifyFileSystemWatcherEngine::run (this=0x2502690) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f1aff95cd05 in QThreadPrivate::start (arg=0x2502690) at thread/qthread_unix.cpp:331
#10 0x00007f1af7914efc in start_thread (arg=0x7f1adaa59700) at pthread_create.c:304
#11 0x00007f1b0288989d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f1ad3fff700 (LWP 1815)):
#0  0x00007f1b0287d773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f1af6e07f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1af6e08429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1affa6ef3e in QEventDispatcherGlib::processEvents (this=0x1f86540, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f1affa42cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f1affa42ef7 in QEventLoop::exec (this=0x7f1ad3ffedb0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f1aff95a27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f1affa25cbf in QInotifyFileSystemWatcherEngine::run (this=0x1f87e50) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f1aff95cd05 in QThreadPrivate::start (arg=0x1f87e50) at thread/qthread_unix.cpp:331
#9  0x00007f1af7914efc in start_thread (arg=0x7f1ad3fff700) at pthread_create.c:304
#10 0x00007f1b0288989d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f1ace6e7700 (LWP 1823)):
#0  0x00007f1b0287d773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f1af6e07f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1af6e08792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1acf1c5516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f1af6e2d2b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1af7914efc in start_thread (arg=0x7f1ace6e7700) at pthread_create.c:304
#6  0x00007f1b0288989d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f1acd144700 (LWP 2147)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f1afca73fe2 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f1afca74019 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f1af7914efc in start_thread (arg=0x7f1acd144700) at pthread_create.c:304
#4  0x00007f1b0288989d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f1b02faa7a0 (LWP 1811)):
[KCrash Handler]
#6  QGraphicsLayoutItem::graphicsItem (this=0x7774656e2e65646b) at graphicsview/qgraphicslayoutitem.cpp:920
#7  0x00007f1aff3d58f1 in QGraphicsLayoutItemPrivate::hasHeightForWidth (this=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:286
#8  0x00007f1aff41b591 in QGridLayoutItem::hasDynamicConstraint (this=<optimized out>) at graphicsview/qgridlayoutengine.cpp:576
#9  0x00007f1aff41c6b2 in ensureDynamicConstraint (this=0x448f870) at graphicsview/qgridlayoutengine.cpp:1657
#10 QGridLayoutEngine::ensureDynamicConstraint (this=0x448f870) at graphicsview/qgridlayoutengine.cpp:1652
#11 0x00007f1aff41c769 in QGridLayoutEngine::hasDynamicConstraint (this=0x448f870) at graphicsview/qgridlayoutengine.cpp:1677
#12 0x00007f1aff420a98 in QGridLayoutEngine::sizeHint (this=0x448f870, styleInfo=..., which=Qt::MaximumSize, constraint=...) at graphicsview/qgridlayoutengine.cpp:1134
#13 0x00007f1aff3aa01a in QGraphicsGridLayout::sizeHint (this=<optimized out>, which=Qt::MaximumSize, constraint=...) at graphicsview/qgraphicsgridlayout.cpp:656
#14 0x00007f1aff3d4bd9 in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x448f760, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:169
#15 0x00007f1aff3d5491 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 0x00007f1aff412231 in QGraphicsWidget::sizeHint (this=<optimized out>, which=<optimized out>, constraint=<optimized out>) at graphicsview/qgraphicswidget.cpp:743
#18 0x00007f1aff3d4caf in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x448f670, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:175
#19 0x00007f1aff3d5491 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 0x00007f1ae903d905 in SystemTray::TaskArea::adjustHiddentTasksWidget (this=0x4493190) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:452
#22 0x00007f1ae903f5d9 in SystemTray::TaskArea::addWidgetForTask (this=0x4493190, task=0x5160af0) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:320
#23 0x00007f1ae903f926 in SystemTray::TaskArea::addTask (this=0x4493190, task=<optimized out>) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:196
#24 0x00007f1ae9040124 in SystemTray::TaskArea::qt_metacall (this=0x4493190, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffdd5f26c0) at ./taskarea.moc:89
#25 0x00007f1affa56eba in QMetaObject::activate (sender=0xb82590, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffdd5f26c0) at kernel/qobject.cpp:3278
#26 0x00007f1ae902287f in SystemTray::Manager::taskAdded (this=<optimized out>, _t1=0x5160af0) at ./manager.moc:99
#27 0x00007f1ae9022a95 in SystemTray::Manager::addTask (this=0xb82590, task=0x5160af0) at ../../../../../plasma/generic/applets/systemtray/core/manager.cpp:87
#28 0x00007f1ae9022be4 in SystemTray::Manager::qt_metacall (this=0xb82590, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffdd5f2830) at ./manager.moc:86
#29 0x00007f1affa56eba in QMetaObject::activate (sender=0xb815d0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffdd5f2830) at kernel/qobject.cpp:3278
#30 0x00007f1ae902308f in SystemTray::Protocol::taskCreated (this=<optimized out>, _t1=0x5160af0) at ./protocol.moc:91
#31 0x00007f1ae902a178 in SystemTray::PlasmoidProtocol::addApplet (this=0xb815d0, appletName=..., id=<optimized out>, parent=0x4521dd0) at ../../../../../plasma/generic/applets/systemtray/protocols/plasmoid/plasmoidtaskprotocol.cpp:112
#32 0x00007f1ae90226d6 in SystemTray::Manager::addApplet (this=<optimized out>, appletName=<optimized out>, parent=<optimized out>) at ../../../../../plasma/generic/applets/systemtray/core/manager.cpp:110
#33 0x00007f1ae9034962 in SystemTray::Applet::checkDefaultApplets (this=0x4521dd0) at ../../../../../plasma/generic/applets/systemtray/ui/applet.cpp:750
#34 0x00007f1ae9035a4c in SystemTray::Applet::qt_metacall (this=0x4521dd0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x4525690) at ./applet.moc:91
#35 0x00007f1affa5aa5e in QObject::event (this=0x4521dd0, e=<optimized out>) at kernel/qobject.cpp:1217
#36 0x00007f1aff41289b in QGraphicsWidget::event (this=0x4521dd0, event=0x45273b0) at graphicsview/qgraphicswidget.cpp:1455
#37 0x00007f1afedf4424 in notify_helper (e=0x45273b0, receiver=0x4521dd0, this=0x680500) at kernel/qapplication.cpp:4486
#38 QApplicationPrivate::notify_helper (this=0x680500, receiver=0x4521dd0, e=0x45273b0) at kernel/qapplication.cpp:4458
#39 0x00007f1afedf9291 in QApplication::notify (this=0x66c740, receiver=0x4521dd0, e=0x45273b0) at kernel/qapplication.cpp:4365
#40 0x00007f1b006f2126 in KApplication::notify (this=0x66c740, receiver=0x4521dd0, event=0x45273b0) at ../../kdeui/kernel/kapplication.cpp:311
#41 0x00007f1affa43afc in QCoreApplication::notifyInternal (this=0x66c740, receiver=0x4521dd0, event=0x45273b0) at kernel/qcoreapplication.cpp:787
#42 0x00007f1affa4751f in sendEvent (event=0x45273b0, receiver=0x4521dd0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#43 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x603430) at kernel/qcoreapplication.cpp:1428
#44 0x00007f1affa6ea73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#45 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#46 0x00007f1af6e07a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007f1af6e08258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007f1af6e08429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#49 0x00007f1affa6eed6 in QEventDispatcherGlib::processEvents (this=0x604f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#50 0x00007f1afee9c07e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#51 0x00007f1affa42cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#52 0x00007f1affa42ef7 in QEventLoop::exec (this=0x7fffdd5f3290, flags=...) at kernel/qeventloop.cpp:201
#53 0x00007f1affa47789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#54 0x00007f1b02b881a3 in kdemain (argc=1, argv=0x7fffdd5f3678) at ../../../../plasma/desktop/shell/main.cpp:120
#55 0x00007f1b027c930d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fffdd5f3678, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffdd5f3668) at libc-start.c:226
#56 0x0000000000400671 in _start ()

Possible duplicates by query: bug 289670, bug 289155, bug 288137, bug 287313, bug 286802.

Reported using DrKonqi