Application: plasma-desktop (0.4)
KDE Platform Version: 4.9.90
Qt Version: 4.8.3
Operating System: Linux 3.7.0-5-generic x86_64
Distribution: Ubuntu Raring Ringtail (development branch)

-- Information about the crash:
ran update upgrade  every time on login firefox starts & after that the desktop crashes

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#6  0x00007f28fbb99e35 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:63
#7  0x00007f28fbb9d498 in __GI_abort () at abort.c:90
#8  0x00007f28de11e92f in Py_FatalError (msg=msg@entry=0x7f28de1ca675 "take_gil: NULL tstate") at ../Python/pythonrun.c:2365
#9  0x00007f28de1242dc in take_gil.35494 (tstate=0x0) at ../Python/ceval_gil.h:211
#10 0x00007f28de1247a4 in PyEval_InitThreads () at ../Python/ceval.c:309
#11 0x00007f28de551395 in KPythonPluginFactory::initialize (this=this@entry=0x1007870) at ../../kpythonpluginfactory/kpythonpluginfactory.cpp:109
#12 0x00007f28de551fd6 in KPythonPluginFactory::create (this=0x1007870, iface=0x7f28fb8ea420 <qt_meta_stringdata_Plasma__AppletScript> "Plasma::AppletScript", parentWidget=0x0, parent=0x102f2d0, args=..., keyword=...) at ../../kpythonpluginfactory/kpythonpluginfactory.cpp:127
#13 0x00007f28fb8023b7 in create<Plasma::AppletScript> (args=..., keyword=..., parent=0x102f2d0, parentWidget=0x0, this=0x1007870) at ../../kdecore/util/kpluginfactory.h:531
#14 createInstance<Plasma::AppletScript> (error=0x7fff675c6ce0, args=..., parent=0x102f2d0, parentWidget=0x0, this=0xfbf8e0) at ../../kdecore/services/kservice.h:559
#15 createInstance<Plasma::AppletScript> (error=0x7fff675c6ce0, args=..., parent=0x102f2d0, this=0xfbf8e0) at ../../kdecore/services/kservice.h:536
#16 Plasma::loadEngine (language=..., type=type@entry=Plasma::AppletComponent, parent=parent@entry=0x102f2d0) at ../../plasma/scripting/scriptengine.cpp:176
#17 0x00007f28fb802c6e in Plasma::loadScriptEngine (language=..., applet=0x102f2d0) at ../../plasma/scripting/scriptengine.cpp:209
#18 0x00007f28fb74dffa in Plasma::AppletPrivate::init (this=0x10b20d0, packagePath=...) at ../../plasma/applet.cpp:2808
#19 0x00007f28fb74ebbe in Plasma::Applet::Applet (this=0x102f2d0, parentObject=0x0, args=...) at ../../plasma/applet.cpp:193
#20 0x00007f28fb7a5fee in Plasma::PopupApplet::PopupApplet (this=0x102f2d0, parent=<optimized out>, args=...) at ../../plasma/popupapplet.cpp:60
#21 0x00007f28fb796025 in Plasma::PluginLoader::loadApplet (this=<optimized out>, name=..., appletId=<optimized out>, args=...) at ../../plasma/pluginloader.cpp:132
#22 0x00007f28fb763b1e in Plasma::ContainmentPrivate::addApplet (this=0xfd40b0, name=..., args=..., appletGeometry=..., id=id@entry=42, delayInit=delayInit@entry=true) at ../../plasma/containment.cpp:2223
#23 0x00007f28fb76d810 in Plasma::Containment::restoreContents (this=0x1055ae0, group=...) at ../../plasma/containment.cpp:500
#24 0x00007f28fb76b1bf in Plasma::Containment::restore (this=0x1055ae0, group=...) at ../../plasma/containment.cpp:340
#25 0x00007f28e01dab36 in Panel::restore (this=0x1055ae0, group=...) at ../../../../../plasma/desktop/containments/panel/panel.cpp:686
#26 0x00007f28fb77607b in Plasma::CoronaPrivate::importLayout (this=0xc2cfe0, conf=..., mergeConfig=mergeConfig@entry=false) at ../../plasma/corona.cpp:1061
#27 0x00007f28fb776974 in Plasma::Corona::loadLayout (this=this@entry=0xc08810, configName=...) at ../../plasma/corona.cpp:278
#28 0x00007f28fb776a3c in Plasma::Corona::initializeLayout (this=0xc08810, configName=...) at ../../plasma/corona.cpp:181
#29 0x00007f28fbf79c65 in PlasmaApp::corona (this=this@entry=0xb9dd70, createIfMissing=createIfMissing@entry=true) at ../../../../plasma/desktop/shell/plasmaapp.cpp:850
#30 0x00007f28fbf79fcd in PlasmaApp::setupDesktop (this=0xb9dd70) at ../../../../plasma/desktop/shell/plasmaapp.cpp:312
#31 0x00007f28fbf7b48a in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at ./plasmaapp.moc:125
#32 PlasmaApp::qt_static_metacall (_o=0xb9dd70, _c=2063, _id=6, _a=0xffffffffffffffff) at ./plasmaapp.moc:101
#33 0x00007f28f88d143e in QObject::event (this=0xb9dd70, e=<optimized out>) at kernel/qobject.cpp:1195
#34 0x00007f28f7c65f94 in QApplication::event (this=0xb9dd70, e=0xba7520) at kernel/qapplication.cpp:2544
#35 0x00007f28f7c63e9c in QApplicationPrivate::notify_helper (this=this@entry=0xba7580, receiver=receiver@entry=0xb9dd70, e=e@entry=0xba7520) at kernel/qapplication.cpp:4562
#36 0x00007f28f7c6830a in QApplication::notify (this=0xb9dd70, receiver=0xb9dd70, e=0xba7520) at kernel/qapplication.cpp:4423
#37 0x00007f28f95765b6 in KApplication::notify (this=0xb9dd70, receiver=0xb9dd70, event=0xba7520) at ../../kdeui/kernel/kapplication.cpp:311
#38 0x00007f28f88bc56e in QCoreApplication::notifyInternal (this=0xb9dd70, receiver=receiver@entry=0xb9dd70, event=event@entry=0xba7520) at kernel/qcoreapplication.cpp:915
#39 0x00007f28f88c03f1 in sendEvent (event=0xba7520, receiver=0xb9dd70) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#40 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0xb241f0) at kernel/qcoreapplication.cpp:1539
#41 0x00007f28f88eaa63 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#42 postEventSourceDispatch (s=0xba5840) at kernel/qeventdispatcher_glib.cpp:279
#43 0x00007f28ef93ba95 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#44 0x00007f28ef93bdc8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#45 0x00007f28ef93be84 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#46 0x00007f28f88eabf6 in QEventDispatcherGlib::processEvents (this=0xb25ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#47 0x00007f28f7d08c1e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#48 0x00007f28f88bb2bf in QEventLoop::processEvents (this=this@entry=0x7fff675c89a0, flags=...) at kernel/qeventloop.cpp:149
#49 0x00007f28f88bb548 in QEventLoop::exec (this=0x7fff675c89a0, flags=...) at kernel/qeventloop.cpp:204
#50 0x00007f28f88c0708 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#51 0x00007f28fbf62211 in kdemain (argc=1, argv=0x7fff675c8c98) at ../../../../plasma/desktop/shell/main.cpp:126
#52 0x00007f28fbb84c15 in __libc_start_main (main=0x4006e0 <main(int, char**)>, argc=1, ubp_av=0x7fff675c8c98, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff675c8c88) at libc-start.c:227
#53 0x0000000000400711 in _start ()

Possible duplicates by query: bug 311029, bug 310955, bug 309966, bug 309592, bug 307941.

Reported using DrKonqi