Bug 285855

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.2 (4.7.2)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-12-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:I was trying to launch browser from panel

- Unusual behavior I noticed:desktop one showed the browser open but it was not vsable

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7faccc1ab7a0 (LWP 1489))]

Thread 5 (Thread 0x7faca9db3700 (LWP 1504)):
#0  timerSourcePrepare (source=0x10084f0, timeout=0x7faca9db2c1c) at kernel/qeventdispatcher_glib.cpp:160
#1  0x00007facc0007ff2 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007facc0008dfd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007facc0009429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007facc8c6ff3e in QEventDispatcherGlib::processEvents (this=0x10051d0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007facc8c43cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007facc8c43ef7 in QEventLoop::exec (this=0x7faca9db2db0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007facc8b5b27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#8  0x00007facc8c26cbf in QInotifyFileSystemWatcherEngine::run (this=0x1002960) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007facc8b5dd05 in QThreadPrivate::start (arg=0x1002960) at thread/qthread_unix.cpp:331
#10 0x00007facc0b15efc in start_thread (arg=0x7faca9db3700) at pthread_create.c:304
#11 0x00007faccba8989d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7faca2fbf700 (LWP 1505)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007faca2fbead0 in ?? ()
#2  0x00007fff31fff7e7 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 3 (Thread 0x7fac9ff7a700 (LWP 1511)):
#0  0x00007facc0007f3f in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007facc0008dfd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007facc0009792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007faca0a58516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007facc002e2b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007facc0b15efc in start_thread (arg=0x7fac9ff7a700) at pthread_create.c:304
#6  0x00007faccba8989d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7faca077b700 (LWP 1806)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007facc5c74fe2 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007facc5c75019 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007facc0b15efc in start_thread (arg=0x7faca077b700) at pthread_create.c:304
#4  0x00007faccba8989d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7faccc1ab7a0 (LWP 1489)):
[KCrash Handler]
#6  QGraphicsLayoutItemPrivate::hasHeightForWidth (this=0x740065006e002e) at graphicsview/qgraphicslayoutitem.cpp:280
#7  0x00007facc861c591 in QGridLayoutItem::hasDynamicConstraint (this=<optimized out>) at graphicsview/qgridlayoutengine.cpp:576
#8  0x00007facc861d6b2 in ensureDynamicConstraint (this=0x2c95ab0) at graphicsview/qgridlayoutengine.cpp:1657
#9  QGridLayoutEngine::ensureDynamicConstraint (this=0x2c95ab0) at graphicsview/qgridlayoutengine.cpp:1652
#10 0x00007facc861d769 in QGridLayoutEngine::hasDynamicConstraint (this=0x2c95ab0) at graphicsview/qgridlayoutengine.cpp:1677
#11 0x00007facc8621a98 in QGridLayoutEngine::sizeHint (this=0x2c95ab0, styleInfo=..., which=Qt::MaximumSize, constraint=...) at graphicsview/qgridlayoutengine.cpp:1134
#12 0x00007facc85ab01a in QGraphicsGridLayout::sizeHint (this=<optimized out>, which=Qt::MaximumSize, constraint=...) at graphicsview/qgraphicsgridlayout.cpp:656
#13 0x00007facc85d5bd9 in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x2c959a0, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:169
#14 0x00007facc85d6491 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 0x00007facc8613231 in QGraphicsWidget::sizeHint (this=<optimized out>, which=<optimized out>, constraint=<optimized out>) at graphicsview/qgraphicswidget.cpp:743
#17 0x00007facc85d5caf in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x2c958b0, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:175
#18 0x00007facc85d6491 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 0x00007facb2038905 in SystemTray::TaskArea::adjustHiddentTasksWidget (this=0x2c21060) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:452
#21 0x00007facb203a5d9 in SystemTray::TaskArea::addWidgetForTask (this=0x2c21060, task=0x3138930) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:320
#22 0x00007facb203a926 in SystemTray::TaskArea::addTask (this=0x2c21060, task=<optimized out>) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:196
#23 0x00007facb203b124 in SystemTray::TaskArea::qt_metacall (this=0x2c21060, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff31f31cf0) at ./taskarea.moc:89
#24 0x00007facc8c57eba in QMetaObject::activate (sender=0x904920, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff31f31cf0) at kernel/qobject.cpp:3278
#25 0x00007facb201d87f in SystemTray::Manager::taskAdded (this=<optimized out>, _t1=0x3138930) at ./manager.moc:99
#26 0x00007facb201da95 in SystemTray::Manager::addTask (this=0x904920, task=0x3138930) at ../../../../../plasma/generic/applets/systemtray/core/manager.cpp:87
#27 0x00007facb201dbe4 in SystemTray::Manager::qt_metacall (this=0x904920, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff31f31e60) at ./manager.moc:86
#28 0x00007facc8c57eba in QMetaObject::activate (sender=0x915dc0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff31f31e60) at kernel/qobject.cpp:3278
#29 0x00007facb201e08f in SystemTray::Protocol::taskCreated (this=<optimized out>, _t1=0x3138930) at ./protocol.moc:91
#30 0x00007facb2025178 in SystemTray::PlasmoidProtocol::addApplet (this=0x915dc0, appletName=..., id=<optimized out>, parent=0x24371c0) at ../../../../../plasma/generic/applets/systemtray/protocols/plasmoid/plasmoidtaskprotocol.cpp:112
#31 0x00007facb201d6d6 in SystemTray::Manager::addApplet (this=<optimized out>, appletName=<optimized out>, parent=<optimized out>) at ../../../../../plasma/generic/applets/systemtray/core/manager.cpp:110
#32 0x00007facb202fa30 in SystemTray::Applet::checkDefaultApplets (this=0x24371c0) at ../../../../../plasma/generic/applets/systemtray/ui/applet.cpp:737
#33 0x00007facb2030a4c in SystemTray::Applet::qt_metacall (this=0x24371c0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x2c64f90) at ./applet.moc:91
#34 0x00007facc8c5ba5e in QObject::event (this=0x24371c0, e=<optimized out>) at kernel/qobject.cpp:1217
#35 0x00007facc861389b in QGraphicsWidget::event (this=0x24371c0, event=0x2c65130) at graphicsview/qgraphicswidget.cpp:1455
#36 0x00007facc7ff5424 in notify_helper (e=0x2c65130, receiver=0x24371c0, this=0x67db70) at kernel/qapplication.cpp:4486
#37 QApplicationPrivate::notify_helper (this=0x67db70, receiver=0x24371c0, e=0x2c65130) at kernel/qapplication.cpp:4458
#38 0x00007facc7ffa291 in QApplication::notify (this=0x670090, receiver=0x24371c0, e=0x2c65130) at kernel/qapplication.cpp:4365
#39 0x00007facc98f3126 in KApplication::notify (this=0x670090, receiver=0x24371c0, event=0x2c65130) at ../../kdeui/kernel/kapplication.cpp:311
#40 0x00007facc8c44afc in QCoreApplication::notifyInternal (this=0x670090, receiver=0x24371c0, event=0x2c65130) at kernel/qcoreapplication.cpp:787
#41 0x00007facc8c4851f in sendEvent (event=0x2c65130, receiver=0x24371c0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#42 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x60f430) at kernel/qcoreapplication.cpp:1428
#43 0x00007facc8c6fa73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#44 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#45 0x00007facc0008a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#46 0x00007facc0009258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007facc0009429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007facc8c6fed6 in QEventDispatcherGlib::processEvents (this=0x610f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#49 0x00007facc809d07e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#50 0x00007facc8c43cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#51 0x00007facc8c43ef7 in QEventLoop::exec (this=0x7fff31f328c0, flags=...) at kernel/qeventloop.cpp:201
#52 0x00007facc8c48789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#53 0x00007faccbd881a3 in kdemain (argc=1, argv=0x7fff31f32ca8) at ../../../../plasma/desktop/shell/main.cpp:120
#54 0x00007faccb9c930d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff31f32ca8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff31f32c98) at libc-start.c:226
#55 0x0000000000400671 in _start ()

Possible duplicates by query: bug 285520, bug 285518, bug 285494, bug 285361, bug 284758.

Reported using DrKonqi