Bug 262629

Application: plasma-desktop (0.3)
KDE Platform Version: 4.5.1 (KDE 4.5.1)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-22-generic i686
Distribution: Ubuntu 10.10

-- Information about the crash:
- What I was doing when the application crashed:
i had the widgets picker open but i was also trying to save an image from the facebook widget

-- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb78b9720 (LWP 1316))]

Thread 3 (Thread 0xadfe9b70 (LWP 1319)):
#0  0x0012079c in __pthread_mutex_unlock_usercnt () from /lib/libpthread.so.0
#1  0x0022ffb6 in pthread_mutex_unlock () from /lib/libc.so.6
#2  0x016dcb34 in g_main_context_check () from /lib/libglib-2.0.so.0
#3  0x016dd45e in ?? () from /lib/libglib-2.0.so.0
#4  0x016dd848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#5  0x0877259f in QEventDispatcherGlib::processEvents (this=0xad600468, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#6  0x08742609 in QEventLoop::processEvents (this=0xadfe9280, flags=) at kernel/qeventloop.cpp:149
#7  0x08742a8a in QEventLoop::exec (this=0xadfe9280, flags=...) at kernel/qeventloop.cpp:201
#8  0x0863eb7e in QThread::exec (this=0x9824bf0) at thread/qthread.cpp:490
#9  0x0872135b in QInotifyFileSystemWatcherEngine::run (this=0x9824bf0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x08641df9 in QThreadPrivate::start (arg=0x9824bf0) at thread/qthread_unix.cpp:266
#11 0x0011ccc9 in start_thread () from /lib/libpthread.so.0
#12 0x002226ae in clone () from /lib/libc.so.6

Thread 2 (Thread 0xacdfeb70 (LWP 1353)):
#0  0x00bbc416 in __kernel_vsyscall ()
#1  0x001214dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x0022fdad in pthread_cond_wait () from /lib/libc.so.6
#3  0x0457e3a5 in ?? () from /usr/lib/libQtWebKit.so.4
#4  0x0457e481 in ?? () from /usr/lib/libQtWebKit.so.4
#5  0x0011ccc9 in start_thread () from /lib/libpthread.so.0
#6  0x002226ae in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb78b9720 (LWP 1316)):
[KCrash Handler]
#7  QGraphicsItemPrivate::invalidateParentGraphicsEffectsRecursively (this=0xb3247c0) at graphicsview/qgraphicsitem.cpp:5324
#8  0x05b2b25d in QGraphicsItem::update (this=0xafdfde0, rect=...) at graphicsview/qgraphicsitem.cpp:5626
#9  0xb02e6c36 in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtGui.so
#10 0x01ee33c8 in PyCFunction_Call (func=0xb176bac, arg=0x933f02c, kw=0x0) at ../Objects/methodobject.c:85
#11 0x01f43a4f in call_function (f=0xb0207cc, throwflag=0) at ../Python/ceval.c:3750
#12 PyEval_EvalFrameEx (f=0xb0207cc, throwflag=0) at ../Python/ceval.c:2412
#13 0x01f452b9 in PyEval_EvalCodeEx (co=0x95d2260, globals=0x95c5934, locals=0x0, args=0x95cb178, argcount=1, kws=0x0, kwcount=0, defs=0x0, defcount=0, closure=0x0) at ../Python/ceval.c:3000
#14 0x01ecd537 in function_call (func=0xb155f7c, arg=0x95cb16c, kw=0x0) at ../Objects/funcobject.c:524
#15 0x01e9e77c in PyObject_Call (func=0xb155f7c, arg=0x95cb16c, kw=0x0) at ../Objects/abstract.c:2492
#16 0x01eb0604 in instancemethod_call (func=0x939a7ac, arg=0x95cb16c, kw=0x0) at ../Objects/classobject.c:2579
#17 0x01e9e77c in PyObject_Call (func=0x939a7ac, arg=0x933f02c, kw=0x0) at ../Objects/abstract.c:2492
#18 0x01f3e264 in PyEval_CallObjectWithKeywords (func=0x939a7ac, arg=0x933f02c, kw=0x0) at ../Python/ceval.c:3619
#19 0x02121e7f in sip_api_invoke_slot () from /usr/lib/pymodules/python2.6/sip.so
#20 0x023a5653 in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#21 0x023a574e in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#22 0x023a5815 in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#23 0x087498ca in QMetaObject::metacall (object=0xafd13b0, cl=QMetaObject::InvokeMetaMethod, idx=5, argv=0xbfefc1fc) at kernel/qmetaobject.cpp:237
#24 0x0875c6ad in QMetaObject::activate (sender=0x8ecdfc8, m=0x88765a4, local_signal_index=0, argv=0xb32afc0) at kernel/qobject.cpp:3280
#25 0x087ae1e7 in QTimer::timeout (this=0x8ecdfc8) at .moc/release-shared/moc_qtimer.cpp:134
#26 0x087621ce in QTimer::timerEvent (this=0x8ecdfc8, e=0xbfefc7b0) at kernel/qtimer.cpp:271
#27 0x022ea9fe in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#28 0x08756504 in QObject::event (this=0x8ecdfc8, e=0x0) at kernel/qobject.cpp:1183
#29 0x022ea994 in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#30 0x05489fdc in QApplicationPrivate::notify_helper (this=0x8e9ac38, receiver=0x8ecdfc8, e=0xbfefc7b0) at kernel/qapplication.cpp:4396
#31 0x0549004e in QApplication::notify (this=0x8e907c0, receiver=0x8ecdfc8, e=0xbfefc7b0) at kernel/qapplication.cpp:3798
#32 0x0112d68a in KApplication::notify (this=0x8e907c0, receiver=0x8ecdfc8, event=0xbfefc7b0) at ../../kdeui/kernel/kapplication.cpp:310
#33 0x08743b3b in QCoreApplication::notifyInternal (this=0x8e907c0, receiver=0x8ecdfc8, event=0xbfefc7b0) at kernel/qcoreapplication.cpp:732
#34 0x08775ad6 in sendEvent (this=0x8e9de34) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#35 QTimerInfoList::activateTimers (this=0x8e9de34) at kernel/qeventdispatcher_unix.cpp:602
#36 0x08772874 in timerSourceDispatch (source=0x8e9de00) at kernel/qeventdispatcher_glib.cpp:184
#37 0x016d9855 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#38 0x016dd668 in ?? () from /lib/libglib-2.0.so.0
#39 0x016dd848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#40 0x08772565 in QEventDispatcherGlib::processEvents (this=0x8e79ce8, flags=...) at kernel/qeventdispatcher_glib.cpp:415
#41 0x0554bbe5 in QGuiEventDispatcherGlib::processEvents (this=0x8e79ce8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#42 0x08742609 in QEventLoop::processEvents (this=0xbfefca74, flags=) at kernel/qeventloop.cpp:149
#43 0x08742a8a in QEventLoop::exec (this=0xbfefca74, flags=...) at kernel/qeventloop.cpp:201
#44 0x0874700f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#45 0x05488e07 in QApplication::exec () at kernel/qapplication.cpp:3672
#46 0x0034386e in kdemain (argc=1, argv=0xbfefcc84) at ../../../../plasma/desktop/shell/main.cpp:118
#47 0x080485bb in main (argc=1, argv=0xbfefcc84) at plasma-desktop_dummy.cpp:3

This bug may be a duplicate of or related to bug 240529.

Possible duplicates by query: bug 261068, bug 258797, bug 257808, bug 257141, bug 255213.

Reported using DrKonqi