Application: plasma-desktop (0.3)
KDE Platform Version: 4.5.3 (KDE 4.5.3)
Qt Version: 4.7.0
Operating System: Linux 2.6.37-rc6-candela x86_64
Distribution: Ubuntu 10.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed:
I was adding widgets to my desktop and configureing them

- Unusual behavior I noticed:
The screen became black for 1 sec and then the app crashed

-- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f40550277a0 (LWP 2651))]

Thread 4 (Thread 0x7f40312a8700 (LWP 2657)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f405042c2be in ?? () from /usr/lib/libQtWebKit.so.4
#2  0x00007f405042c3d9 in ?? () from /usr/lib/libQtWebKit.so.4
#3  0x00007f404cb1fae3 in ?? () from /usr/lib/libGL.so.1
#4  0x00007f4051c039ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#5  0x00007f405494170d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f4027509700 (LWP 2679)):
#0  0x00007f4054934f93 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f40494b38a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f40494b3cfc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007f4051fb41d6 in QEventDispatcherGlib::processEvents (this=0x24cfdd0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#4  0x00007f4051f86dd2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f4051f871bc in QEventLoop::exec (this=0x7f4027508cb0, flags=) at kernel/qeventloop.cpp:201
#6  0x00007f4051e9236d in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#7  0x00007f4051f66b48 in QInotifyFileSystemWatcherEngine::run (this=0x1c77e00) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f4051e952ee in QThreadPrivate::start (arg=0x1c77e00) at thread/qthread_unix.cpp:266
#9  0x00007f404cb1fae3 in ?? () from /usr/lib/libGL.so.1
#10 0x00007f4051c039ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#11 0x00007f405494170d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f4024cf0700 (LWP 2689)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f404f2be7e4 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f404f5c9160) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007f404f2be819 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x7f404f5d7234) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007f404cb1fae3 in ?? () from /usr/lib/libGL.so.1
#4  0x00007f4051c039ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#5  0x00007f405494170d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f40550277a0 (LWP 2651)):
[KCrash Handler]
#6  QGraphicsItemPrivate::invalidateParentGraphicsEffectsRecursively (this=0x4085bf999999999a) at graphicsview/qgraphicsitem.cpp:5324
#7  0x00007f40516e6ea7 in QGraphicsItem::update (this=0x585a060, rect=...) at graphicsview/qgraphicsitem.cpp:5626
#8  0x00007f401e743f36 in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtGui.so
#9  0x00007f401fb84030 in call_function (f=
    Frame 0x41b3bc0, for file /home/aktiwers/.kde/share/apps/plasma/plasmoids/plasma_pyweather/contents/code/main.py, line 136, in checkWeather (self=<WeatherApplet(_weather=<Weather(current_wind=u'Wind: NE at 11.3 kmph', fc_low_high=[u'-2 \xb0C / -1 \xb0C', u'-1 \xb0C / 0 \xb0C', u'-1 \xb0C / 1 \xb0C'], current_condition=u'Partly Cloudy', current_humidity=u'Humidity: 86%', current_temperature=u'-5 \xb0C', _degree_symbol=u'\xb0', location=u'Copenhagen,Denmark', fc_dl=[u'Thu', u'Fri', u'Sat'], fc_conditions=[u'Clear', u'Clear', u'Chance of Snow']) at remote 0x50f3758>, _fc_column_width=100, _city='Copenhagen', parent=None, _img_height=16, _big_img_height=48, _img_width=16, _country='Denmark', weatherConfig=<WeatherConfig(cmbUnit=<QComboBox at remote 0x59a8380>, parent=<...>, lblCity=<QLabel at remote 0x59a8050>, txtCountry=<QLineEdit at remote 0x59a8270>, lblUnit=<QLabel at remote 0x59a82f8>, lblCountry=<QLabel at remote 0x59a8160>, txtCity=<QLineEdit at remote 0x59a81e8>) at remote 0x59a80d8>, _config_file='.weat...(truncated), throwflag=<value optimized out>) at ../Python/ceval.c:3750
#10 PyEval_EvalFrameEx (f=
    Frame 0x41b3bc0, for file /home/aktiwers/.kde/share/apps/plasma/plasmoids/plasma_pyweather/contents/code/main.py, line 136, in checkWeather (self=<WeatherApplet(_weather=<Weather(current_wind=u'Wind: NE at 11.3 kmph', fc_low_high=[u'-2 \xb0C / -1 \xb0C', u'-1 \xb0C / 0 \xb0C', u'-1 \xb0C / 1 \xb0C'], current_condition=u'Partly Cloudy', current_humidity=u'Humidity: 86%', current_temperature=u'-5 \xb0C', _degree_symbol=u'\xb0', location=u'Copenhagen,Denmark', fc_dl=[u'Thu', u'Fri', u'Sat'], fc_conditions=[u'Clear', u'Clear', u'Chance of Snow']) at remote 0x50f3758>, _fc_column_width=100, _city='Copenhagen', parent=None, _img_height=16, _big_img_height=48, _img_width=16, _country='Denmark', weatherConfig=<WeatherConfig(cmbUnit=<QComboBox at remote 0x59a8380>, parent=<...>, lblCity=<QLabel at remote 0x59a8050>, txtCountry=<QLineEdit at remote 0x59a8270>, lblUnit=<QLabel at remote 0x59a82f8>, lblCountry=<QLabel at remote 0x59a8160>, txtCity=<QLineEdit at remote 0x59a81e8>) at remote 0x59a80d8>, _config_file='.weat...(truncated), throwflag=<value optimized out>) at ../Python/ceval.c:2412
#11 0x00007f401fb85d60 in PyEval_EvalCodeEx (co=0x50ec6c0, globals=<value optimized out>, locals=<value optimized out>, args=0x1, argcount=<value optimized out>, kws=<value optimized out>, 
    kwcount=0, defs=0x0, defcount=0, closure=0x0) at ../Python/ceval.c:3000
#12 0x00007f401fb0bd60 in function_call (func=<function at remote 0x58dd230>, arg=
    (<WeatherApplet(_weather=<Weather(current_wind=u'Wind: NE at 11.3 kmph', fc_low_high=[u'-2 \xb0C / -1 \xb0C', u'-1 \xb0C / 0 \xb0C', u'-1 \xb0C / 1 \xb0C'], current_condition=u'Partly Cloudy', current_humidity=u'Humidity: 86%', current_temperature=u'-5 \xb0C', _degree_symbol=u'\xb0', location=u'Copenhagen,Denmark', fc_dl=[u'Thu', u'Fri', u'Sat'], fc_conditions=[u'Clear', u'Clear', u'Chance of Snow']) at remote 0x50f3758>, _fc_column_width=100, _city='Copenhagen', parent=None, _img_height=16, _big_img_height=48, _img_width=16, _country='Denmark', weatherConfig=<WeatherConfig(cmbUnit=<QComboBox at remote 0x59a8380>, parent=<...>, lblCity=<QLabel at remote 0x59a8050>, txtCountry=<QLineEdit at remote 0x59a8270>, lblUnit=<QLabel at remote 0x59a82f8>, lblCountry=<QLabel at remote 0x59a8160>, txtCity=<QLineEdit at remote 0x59a81e8>) at remote 0x59a80d8>, _config_file='.weather.cfg', applet_script=<PythonAppletScript(moduleName='plasma_pyweather', pyapplet=None, module=<module at remote 0x50edb08>, pluginName='applet...(truncated), kw=0x0) at ../Objects/funcobject.c:524
#13 0x00007f401fade2e3 in PyObject_Call (func=<function at remote 0x58dd230>, arg=<unknown at remote 0x7fffb54a8420>, kw=<unknown at remote 0x7f401ff39768>) at ../Objects/abstract.c:2492
#14 0x00007f401faefcef in instancemethod_call (func=<function at remote 0x58dd230>, arg=
    (<WeatherApplet(_weather=<Weather(current_wind=u'Wind: NE at 11.3 kmph', fc_low_high=[u'-2 \xb0C / -1 \xb0C', u'-1 \xb0C / 0 \xb0C', u'-1 \xb0C / 1 \xb0C'], current_condition=u'Partly Cloudy', current_humidity=u'Humidity: 86%', current_temperature=u'-5 \xb0C', _degree_symbol=u'\xb0', location=u'Copenhagen,Denmark', fc_dl=[u'Thu', u'Fri', u'Sat'], fc_conditions=[u'Clear', u'Clear', u'Chance of Snow']) at remote 0x50f3758>, _fc_column_width=100, _city='Copenhagen', parent=None, _img_height=16, _big_img_height=48, _img_width=16, _country='Denmark', weatherConfig=<WeatherConfig(cmbUnit=<QComboBox at remote 0x59a8380>, parent=<...>, lblCity=<QLabel at remote 0x59a8050>, txtCountry=<QLineEdit at remote 0x59a8270>, lblUnit=<QLabel at remote 0x59a82f8>, lblCountry=<QLabel at remote 0x59a8160>, txtCity=<QLineEdit at remote 0x59a81e8>) at remote 0x59a80d8>, _config_file='.weather.cfg', applet_script=<PythonAppletScript(moduleName='plasma_pyweather', pyapplet=None, module=<module at remote 0x50edb08>, pluginName='applet...(truncated), kw=0x0) at ../Objects/classobject.c:2579
#15 0x00007f401fade2e3 in PyObject_Call (func=<instancemethod at remote 0x4d7d870>, arg=<unknown at remote 0x7fffb54a8420>, kw=<unknown at remote 0x7f401ff39768>) at ../Objects/abstract.c:2492
#16 0x00007f401fb7e193 in PyEval_CallObjectWithKeywords (func=<instancemethod at remote 0x4d7d870>, arg=(), kw=<unknown at remote 0x7f401ff39768>) at ../Python/ceval.c:3619
#17 0x00007f401ec7ca38 in sip_api_invoke_slot () from /usr/lib/pymodules/python2.6/sip.so
#18 0x00007f401eff7596 in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#19 0x00007f401eff76b8 in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#20 0x00007f401eff7772 in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#21 0x00007f4051f9fda7 in QMetaObject::activate (sender=0x4782790, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x3) at kernel/qobject.cpp:3280
#22 0x00007f401ef3716d in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#23 0x00007f4051f99b99 in QObject::event (this=0x4782790, e=0x7fffb54a8420) at kernel/qobject.cpp:1183
#24 0x00007f401ef3710b in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#25 0x00007f40510d66ec in QApplicationPrivate::notify_helper (this=0x1c22c10, receiver=0x4782790, e=0x7fffb54a9400) at kernel/qapplication.cpp:4396
#26 0x00007f40510dc1dd in QApplication::notify (this=0x1c0fc80, receiver=0x4782790, e=0x7fffb54a9400) at kernel/qapplication.cpp:4277
#27 0x00007f4052c40926 in KApplication::notify (this=0x1c0fc80, receiver=0x4782790, event=0x7fffb54a9400) at ../../kdeui/kernel/kapplication.cpp:310
#28 0x00007f4051f880ac in QCoreApplication::notifyInternal (this=0x1c0fc80, receiver=0x4782790, event=0x7fffb54a9400) at kernel/qcoreapplication.cpp:732
#29 0x00007f4051fb76e2 in QCoreApplication::sendEvent (this=0x1c26210) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#30 QTimerInfoList::activateTimers (this=0x1c26210) at kernel/qeventdispatcher_unix.cpp:602
#31 0x00007f4051fb44b8 in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#32 idleTimerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:231
#33 0x00007f40494afbe2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#34 0x00007f40494b3b48 in ?? () from /lib/libglib-2.0.so.0
#35 0x00007f40494b3cfc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#36 0x00007f4051fb4183 in QEventDispatcherGlib::processEvents (this=0x1bb9860, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#37 0x00007f405118897e in QGuiEventDispatcherGlib::processEvents (this=0x4085bf999999999a, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#38 0x00007f4051f86dd2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#39 0x00007f4051f871bc in QEventLoop::exec (this=0x7fffb54a96a0, flags=) at kernel/qeventloop.cpp:201
#40 0x00007f4051f8b26b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#41 0x00007f4054c1b083 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/desktop/shell/main.cpp:118
#42 0x00007f4054879c4d in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=0x7fffb54a9a78) at libc-start.c:226
#43 0x00000000004006c9 in _start ()

Possible duplicates by query: bug 262629, bug 261781, bug 261068, bug 260245, bug 258797.

Reported using DrKonqi