Bug 302382

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.2 (4.7.2) (Compiled from sources)
Qt Version: 4.8.0
Operating System: Linux 3.1.0-7.fc16.x86_64 x86_64

-- Information about the crash:
cannot load into the desktop environment. Plasma is crashing upon loggin in

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
82	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7fb64eeff840 (LWP 1648))]

Thread 2 (Thread 0x7fb613fff700 (LWP 1802)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:165
#1  0x00007fb64e0e5e52 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7fb64e3df240) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007fb64e0e5e89 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007fb648f2ed90 in start_thread (arg=0x7fb613fff700) at pthread_create.c:309
#4  0x00007fb647808ddd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7fb64eeff840 (LWP 1648)):
[KCrash Handler]
#6  QGraphicsLayoutItemPrivate::hasHeightForWidth (this=0x740065006e002e) at graphicsview/qgraphicslayoutitem.cpp:280
#7  0x00007fb648a71e71 in QGridLayoutItem::hasDynamicConstraint (this=0x291b480) at graphicsview/qgridlayoutengine.cpp:576
#8  0x00007fb648a72fd2 in ensureDynamicConstraint (this=0x38ffee0) at graphicsview/qgridlayoutengine.cpp:1666
#9  QGridLayoutEngine::ensureDynamicConstraint (this=0x38ffee0) at graphicsview/qgridlayoutengine.cpp:1661
#10 0x00007fb648a73089 in QGridLayoutEngine::hasDynamicConstraint (this=0x38ffee0) at graphicsview/qgridlayoutengine.cpp:1686
#11 0x00007fb648a76fd8 in QGridLayoutEngine::sizeHint (this=0x38ffee0, styleInfo=..., which=Qt::MaximumSize, constraint=...) at graphicsview/qgridlayoutengine.cpp:1143
#12 0x00007fb648a00c6a in QGraphicsGridLayout::sizeHint (this=<optimized out>, which=Qt::MaximumSize, constraint=...) at graphicsview/qgraphicsgridlayout.cpp:670
#13 0x00007fb648a2b6c9 in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x38ffdd0, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:169
#14 0x00007fb648a2bf71 in effectiveSizeHint (constraint=<optimized out>, which=<optimized out>, this=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:813
#15 QGraphicsLayoutItem::effectiveSizeHint (this=<optimized out>, which=<optimized out>, constraint=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:805
#16 0x00007fb648a688b1 in QGraphicsWidget::sizeHint (this=<optimized out>, which=<optimized out>, constraint=<optimized out>) at graphicsview/qgraphicswidget.cpp:743
#17 0x00007fb648a2b79f in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x38ffce0, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:175
#18 0x00007fb648a2bf71 in effectiveSizeHint (constraint=<optimized out>, which=<optimized out>, this=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:813
#19 QGraphicsLayoutItem::effectiveSizeHint (this=<optimized out>, which=<optimized out>, constraint=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:805
#20 0x00007fb62b109af5 in SystemTray::TaskArea::adjustHiddentTasksWidget (this=0x38a9670) at /usr/src/debug/kdebase-workspace-4.7.2/kdebase-workspace-4.7.2/plasma/generic/applets/systemtray/ui/taskarea.cpp:452
#21 0x00007fb62b10b7c9 in SystemTray::TaskArea::addWidgetForTask (this=0x38a9670, task=0x2cded00) at /usr/src/debug/kdebase-workspace-4.7.2/kdebase-workspace-4.7.2/plasma/generic/applets/systemtray/ui/taskarea.cpp:320
#22 0x00007fb62b10bb16 in SystemTray::TaskArea::addTask (this=0x38a9670, task=<optimized out>) at /usr/src/debug/kdebase-workspace-4.7.2/kdebase-workspace-4.7.2/plasma/generic/applets/systemtray/ui/taskarea.cpp:196
#23 0x00007fb6492ce7d1 in QMetaObject::activate (sender=0x1a284c0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff676fc2d0) at kernel/qobject.cpp:3546
#24 0x00007fb62b0eec9f in SystemTray::Manager::taskAdded (this=<optimized out>, _t1=0x2cded00) at /usr/src/debug/kdebase-workspace-4.7.2/kdebase-workspace-4.7.2/x86_64-redhat-linux-gnu/plasma/generic/applets/systemtray/manager.moc:113
#25 0x00007fb62b0eeeb5 in SystemTray::Manager::addTask (this=0x1a284c0, task=0x2cded00) at /usr/src/debug/kdebase-workspace-4.7.2/kdebase-workspace-4.7.2/plasma/generic/applets/systemtray/core/manager.cpp:87
#26 0x00007fb6492ce7d1 in QMetaObject::activate (sender=0x1a28080, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff676fc480) at kernel/qobject.cpp:3546
#27 0x00007fb62b0ef47f in SystemTray::Protocol::taskCreated (this=<optimized out>, _t1=0x2cded00) at /usr/src/debug/kdebase-workspace-4.7.2/kdebase-workspace-4.7.2/x86_64-redhat-linux-gnu/plasma/generic/applets/systemtray/protocol.moc:105
#28 0x00007fb62b0f6568 in SystemTray::PlasmoidProtocol::addApplet (this=0x1a28080, appletName=..., id=<optimized out>, parent=0x390e6d0) at /usr/src/debug/kdebase-workspace-4.7.2/kdebase-workspace-4.7.2/plasma/generic/applets/systemtray/protocols/plasmoid/plasmoidtaskprotocol.cpp:112
#29 0x00007fb62b0eeaf6 in SystemTray::Manager::addApplet (this=<optimized out>, appletName=<optimized out>, parent=<optimized out>) at /usr/src/debug/kdebase-workspace-4.7.2/kdebase-workspace-4.7.2/plasma/generic/applets/systemtray/core/manager.cpp:110
#30 0x00007fb62b100bb0 in SystemTray::Applet::checkDefaultApplets (this=0x390e6d0) at /usr/src/debug/kdebase-workspace-4.7.2/kdebase-workspace-4.7.2/plasma/generic/applets/systemtray/ui/applet.cpp:737
#31 0x00007fb6492d39e6 in QObject::event (this=0x390e6d0, e=<optimized out>) at kernel/qobject.cpp:1194
#32 0x00007fb648a68f1b in QGraphicsWidget::event (this=0x390e6d0, event=0x3288580) at graphicsview/qgraphicswidget.cpp:1461
#33 0x00007fb6484386f4 in notify_helper (e=0x3288580, receiver=0x390e6d0, this=0x14413c0) at kernel/qapplication.cpp:4518
#34 QApplicationPrivate::notify_helper (this=0x14413c0, receiver=0x390e6d0, e=0x3288580) at kernel/qapplication.cpp:4490
#35 0x00007fb64843d573 in QApplication::notify (this=0x142d690, receiver=0x390e6d0, e=0x3288580) at kernel/qapplication.cpp:4379
#36 0x00007fb64a213396 in KApplication::notify (this=0x142d690, receiver=0x390e6d0, event=0x3288580) at /usr/src/debug/kdelibs-4.7.2/kdeui/kernel/kapplication.cpp:311
#37 0x00007fb6492bab4c in QCoreApplication::notifyInternal (this=0x142d690, receiver=0x390e6d0, event=0x3288580) at kernel/qcoreapplication.cpp:876
#38 0x00007fb6492be5da in sendEvent (event=0x3288580, receiver=0x390e6d0) at kernel/qcoreapplication.h:231
#39 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x13de740) at kernel/qcoreapplication.cpp:1500
#40 0x00007fb6492e9403 in sendPostedEvents () at kernel/qcoreapplication.h:236
#41 postEventSourceDispatch (s=0x1447d90) at kernel/qeventdispatcher_glib.cpp:279
#42 0x00007fb63ff09a7d in g_main_dispatch (context=0x1447ca0) at gmain.c:2425
#43 g_main_context_dispatch (context=0x1447ca0) at gmain.c:2995
#44 0x00007fb63ff0a278 in g_main_context_iterate (context=0x1447ca0, block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3073
#45 0x00007fb63ff0a44c in g_main_context_iteration (context=0x1447ca0, may_block=1) at gmain.c:3136
#46 0x00007fb6492e982f in QEventDispatcherGlib::processEvents (this=0x13dfc00, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#47 0x00007fb6484db43e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:207
#48 0x00007fb6492b9c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#49 0x00007fb6492b9ed7 in QEventLoop::exec (this=0x7fff676fd060, flags=...) at kernel/qeventloop.cpp:204
#50 0x00007fb6492be8d5 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#51 0x00007fb64eae7263 in kdemain (argc=1, argv=0x7fff676fd448) at /usr/src/debug/kdebase-workspace-4.7.2/kdebase-workspace-4.7.2/plasma/desktop/shell/main.cpp:120
#52 0x00007fb64773b69d in __libc_start_main (main=0x400870 <main(int, char**)>, argc=1, ubp_av=0x7fff676fd448, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff676fd438) at libc-start.c:226
#53 0x00000000004008a1 in _start ()

Possible duplicates by query: bug 301081, bug 297998, bug 297984, bug 297268, bug 296168.

Reported using DrKonqi