Bug 291594

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 i686
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:
I was opening a conversation with Skype when plasma crashed

The crash can be reproduced some of the time.

-- Backtrace:
Application: Outil de gestion de fenêtres Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb78c1b20 (LWP 2547))]

Thread 6 (Thread 0xb1335b70 (LWP 2553)):
#0  0x00fb8416 in __kernel_vsyscall ()
#1  0x001f0063 in ?? () from /lib/i386-linux-gnu/libc.so.6
#2  0x00184135 in ?? () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 5 (Thread 0xafa3fb70 (LWP 2554)):
#0  0x00fb8416 in __kernel_vsyscall ()
#1  0x001f0063 in ?? () from /lib/i386-linux-gnu/libc.so.6
#2  0x00184135 in ?? () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 4 (Thread 0xaefc0b70 (LWP 2558)):
#0  0x00fb8416 in __kernel_vsyscall ()
#1  0x001f0063 in ?? () from /lib/i386-linux-gnu/libc.so.6
#2  0x00184135 in ?? () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 3 (Thread 0xad3acb70 (LWP 2572)):
#0  0x00fb8416 in __kernel_vsyscall ()
#1  0x082eba5c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x001efcfc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x02ee2883 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0x02ee299f in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0x082e7d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0x001e20ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 2 (Thread 0xaca83b70 (LWP 2573)):
#0  0x03a496d0 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0x03a4a637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x03a4ac2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x0684db37 in QEventDispatcherGlib::processEvents (this=0x93db378, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x0681e1dd in QEventLoop::processEvents (this=0xaca832d0, flags=...) at kernel/qeventloop.cpp:149
#5  0x0681e421 in QEventLoop::exec (this=0xaca832d0, flags=...) at kernel/qeventloop.cpp:201
#6  0x0672190b in QThread::exec (this=0x93dabd8) at thread/qthread.cpp:498
#7  0x067219fb in QThread::run (this=0x93dabd8) at thread/qthread.cpp:565
#8  0x067247b3 in QThreadPrivate::start (arg=0x93dabd8) at thread/qthread_unix.cpp:331
#9  0x082e7d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#10 0x001e20ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb78c1b20 (LWP 2547)):
[KCrash Handler]
#7  0x0017fe34 in ?? () from /lib/i386-linux-gnu/libc.so.6
#8  0x00181387 in ?? () from /lib/i386-linux-gnu/libc.so.6
#9  0x00182ab7 in realloc () from /lib/i386-linux-gnu/libc.so.6
#10 0x0671de53 in qRealloc (ptr=0x9c5a3d0, size=64) at global/qmalloc.cpp:65
#11 0x0677b56c in QVectorData::reallocate (x=0x9c5a3d0, newsize=64, oldsize=48, alignment=4) at tools/qvector.cpp:74
#12 0x0158e0f8 in QVector<QPoint>::realloc (this=0xbfc3365c, asize=4, aalloc=6) at ../../include/QtCore/../../src/corelib/tools/qvector.h:481
#13 0x016e6f3f in QVector<QPoint>::append (this=0xbfc3365c, t=...) at ../../include/QtCore/../../src/corelib/tools/qvector.h:549
#14 0x01c00915 in operator<< (t=<optimized out>, this=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qvector.h:286
#15 QGraphicsView::mapFromScene (this=0x8fccf28, polygon=...) at graphicsview/qgraphicsview.cpp:2468
#16 0x04e0dacd in AbstractTaskItem::iconGeometry (this=0x9c06a38) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:976
#17 0x04dfc69c in publishIconGeometry (this=0x9c06a38) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:124
#18 WindowTaskItem::publishIconGeometry (this=0x9c06a38) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:118
#19 0x04e0d688 in AbstractTaskItem::timerEvent (this=0x9c06a38, event=0xbfc33b8c) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#20 0x06837994 in QObject::event (this=0x9c06a38, e=0xbfc33b8c) at kernel/qobject.cpp:1181
#21 0x01c08bd4 in QGraphicsWidget::event (this=0x9c06a38, event=0xbfc33b8c) at graphicsview/qgraphicswidget.cpp:1455
#22 0x01549d54 in notify_helper (e=0xbfc33b8c, receiver=0x9c06a38, this=0x858a628) at kernel/qapplication.cpp:4486
#23 QApplicationPrivate::notify_helper (this=0x858a628, receiver=0x9c06a38, e=0xbfc33b8c) at kernel/qapplication.cpp:4458
#24 0x0154f103 in QApplication::notify (this=0xbfc33b8c, receiver=0x9c06a38, e=0xbfc33b8c) at kernel/qapplication.cpp:3886
#25 0x011a0681 in KApplication::notify (this=0x85475f8, receiver=0x9c06a38, event=0xbfc33b8c) at ../../kdeui/kernel/kapplication.cpp:311
#26 0x0681f19e in QCoreApplication::notifyInternal (this=0x85475f8, receiver=0x9c06a38, event=0xbfc33b8c) at kernel/qcoreapplication.cpp:787
#27 0x0684fc10 in sendEvent (event=0xbfc33b8c, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#28 QTimerInfoList::activateTimers (this=0x8591e34) at kernel/qeventdispatcher_unix.cpp:603
#29 0x0684d122 in timerSourceDispatch (source=0x8591e00) at kernel/qeventdispatcher_glib.cpp:184
#30 0x03a4a25f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#31 0x03a4a990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#32 0x03a4ac2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#33 0x0684dada in QEventDispatcherGlib::processEvents (this=0x8528230, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#34 0x01601e3a in QGuiEventDispatcherGlib::processEvents (this=0x8528230, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#35 0x0681e1dd in QEventLoop::processEvents (this=0xbfc33e04, flags=...) at kernel/qeventloop.cpp:149
#36 0x0681e421 in QEventLoop::exec (this=0xbfc33e04, flags=...) at kernel/qeventloop.cpp:201
#37 0x0682319d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#38 0x015478f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#39 0x0090618b in kdemain (argc=1, argv=0xbfc34004) at ../../../../plasma/desktop/shell/main.cpp:120
#40 0x0804850b in main (argc=1, argv=0xbfc34004) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 290535, bug 289781, bug 289608.

Reported using DrKonqi