Bug 313542

Application: plasma-desktop (0.4)
KDE Platform Version: 4.9.97
Qt Version: 4.8.3
Operating System: Linux 3.5.0-22-generic x86_64
Distribution: Ubuntu 12.10

-- Information about the crash:
- What I was doing when the application crashed: i login and it crashes  from the start, the screen is black and it stays that way

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fabb352b780 (LWP 2086))]

Thread 4 (Thread 0x7faba4468700 (LWP 2087)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fabc0599cd7 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fabc0599d09 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fabbac47e9a in start_thread (arg=0x7faba4468700) at pthread_create.c:308
#4  0x00007fabc68adcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fab97c6a700 (LWP 2090)):
#0  0x00007fabc68a08bd in read () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007fabba58515f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fabba548914 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fabba548d22 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fabba548ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fabc3542c16 in QEventDispatcherGlib::processEvents (this=0x7fab880008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007fabc35132bf in QEventLoop::processEvents (this=this@entry=0x7fab97c69dd0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fabc3513548 in QEventLoop::exec (this=0x7fab97c69dd0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007fabc3414b10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007fabc34f39af in QInotifyFileSystemWatcherEngine::run (this=0x3311ac0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007fabc3417aec in QThreadPrivate::start (arg=0x3311ac0) at thread/qthread_unix.cpp:338
#11 0x00007fabbac47e9a in start_thread (arg=0x7fab97c6a700) at pthread_create.c:308
#12 0x00007fabc68adcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fab96dd4700 (LWP 2091)):
#0  0x00007fabc68a2303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fabba548d84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fabba548ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fabc3542c16 in QEventDispatcherGlib::processEvents (this=0x7fab8c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fabc35132bf in QEventLoop::processEvents (this=this@entry=0x7fab96dd3dd0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fabc3513548 in QEventLoop::exec (this=0x7fab96dd3dd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fabc3414b10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007fabc34f39af in QInotifyFileSystemWatcherEngine::run (this=0x3360800) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fabc3417aec in QThreadPrivate::start (arg=0x3360800) at thread/qthread_unix.cpp:338
#9  0x00007fabbac47e9a in start_thread (arg=0x7fab96dd4700) at pthread_create.c:308
#10 0x00007fabc68adcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fabb352b780 (LWP 2086)):
[KCrash Handler]
#6  0x00007faba783c715 in QHash<void*, PyQtProxy*>::duplicateNode(QHashData::Node*, void*) () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#7  0x00007fabc343383f in QHashData::detach_helper2 (this=0x2936bf0, node_duplicate=0x7faba783c710 <QHash<void*, PyQtProxy*>::duplicateNode(QHashData::Node*, void*)>, node_delete=0x7faba783c700 <QHash<void*, PyQtProxy*>::deleteNode2(QHashData::Node*)>, nodeSize=<optimized out>, nodeAlign=8) at tools/qhash.cpp:239
#8  0x00007faba783c86a in QHash<void*, PyQtProxy*>::detach_helper() () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#9  0x00007faba78408ab in sipQtFindSipslot () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#10 0x00007faba74854fe in sipWrapper_traverse (arg=0x0, visit=0x7faba7e8b6f0 <visit_decref.49342>, self=0x2b05440) at /build/buildd/sip4-4.13.3/siplib/siplib.c:9709
#11 sipWrapper_traverse (self=0x2b05440, visit=0x7faba7e8b6f0 <visit_decref.49342>, arg=0x0) at /build/buildd/sip4-4.13.3/siplib/siplib.c:9690
#12 0x00007faba7e91817 in collect.49477 (generation=generation@entry=2) at ../Modules/gcmodule.c:385
#13 0x00007faba7d58a28 in PyGC_Collect.part.7 () at ../Modules/gcmodule.c:1440
#14 PyGC_Collect () at ../Modules/gcmodule.c:1432
#15 0x00007faba7d5ff96 in Py_Finalize.part.3 () at ../Python/pythonrun.c:444
#16 Py_Finalize () at ../Python/pythonrun.c:400
#17 0x00007faba8231ab5 in KPythonPluginFactory::~KPythonPluginFactory (this=0x27afe30, __in_chrg=<optimized out>) at ../../kpythonpluginfactory/kpythonpluginfactory.cpp:262
#18 0x00007faba8231b19 in KPythonPluginFactory::~KPythonPluginFactory (this=0x27afe30, __in_chrg=<optimized out>) at ../../kpythonpluginfactory/kpythonpluginfactory.cpp:268
#19 0x00007fabc352f8a4 in QObjectCleanupHandler::clear (this=this@entry=0x229d4d0) at kernel/qobjectcleanuphandler.cpp:140
#20 0x00007fabc352f8e4 in QObjectCleanupHandler::~QObjectCleanupHandler (this=0x229d4d0, __in_chrg=<optimized out>) at kernel/qobjectcleanuphandler.cpp:86
#21 0x00007fabc352f939 in QObjectCleanupHandler::~QObjectCleanupHandler (this=0x229d4d0, __in_chrg=<optimized out>) at kernel/qobjectcleanuphandler.cpp:87
#22 0x00007fabc67f5901 in __run_exit_handlers (status=1, listp=0x7fabc6b726a8 <__exit_funcs>, run_list_atexit=true) at exit.c:78
#23 0x00007fabc67f5985 in __GI_exit (status=<optimized out>, status@entry=1) at exit.c:100
#24 0x00007fab94b32292 in gdk_x_error (display=<optimized out>, error=<optimized out>) at /build/buildd/gtk+2.0-2.24.13/gdk/x11/gdkmain-x11.c:490
#25 0x00007fabc4cbd4f6 in _XError (dpy=dpy@entry=0x20d6ce0, rep=rep@entry=0x356e170) at ../../src/XlibInt.c:1583
#26 0x00007fabc4cba741 in handle_error (dpy=dpy@entry=0x20d6ce0, err=err@entry=0x356e170, in_XReply=in_XReply@entry=1) at ../../src/xcb_io.c:212
#27 0x00007fabc4cba785 in handle_response (dpy=dpy@entry=0x20d6ce0, response=0x356e170, in_XReply=in_XReply@entry=1) at ../../src/xcb_io.c:324
#28 0x00007fabc4cbb378 in _XReply (dpy=dpy@entry=0x20d6ce0, rep=rep@entry=0x7fff3978f150, extra=extra@entry=0, discard=discard@entry=1) at ../../src/xcb_io.c:626
#29 0x00007fabc4c9fd29 in XGetGeometry (dpy=0x20d6ce0, d=35652009, root=0x7fff3978f1e8, x=0x7fff3978f1d0, y=0x7fff3978f1d4, width=0x7fff3978f1d8, height=0x7fff3978f1dc, borderWidth=0x7fff3978f1e0, depth=0x7fff3978f1e4) at ../../src/GetGeom.c:47
#30 0x00007fabc29a55e6 in QPixmap::fromX11Pixmap (pixmap=35652009, mode=QPixmap::ExplicitlyShared) at image/qpixmap_x11.cpp:2386
#31 0x00007fabc640c26b in DialogShadows::Private::initEmptyPixmap (this=this@entry=0x2240a70, size=...) at ../../plasma/private/dialogshadows.cpp:166
#32 0x00007fabc640c97d in DialogShadows::Private::setupPixmaps (this=this@entry=0x2240a70) at ../../plasma/private/dialogshadows.cpp:187
#33 0x00007fabc640e2f0 in DialogShadows::Private::updateShadows (this=0x2240a70) at ../../plasma/private/dialogshadows.cpp:137
#34 0x00007fabc3529f5f in QMetaObject::activate (sender=0x22401d0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#35 0x00007fabc6462caf in themeChanged (this=0x22409f0) at ../../plasma/svg.cpp:618
#36 Plasma::SvgPrivate::themeChanged (this=0x22409f0) at ../../plasma/svg.cpp:601
#37 0x00007fabc6462f09 in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at ./svg.moc:114
#38 Plasma::Svg::qt_static_metacall (_o=0xd8, _c=52004480, _id=-961075392, _a=0x7fabc6b72750 <main_arena+16>) at ./svg.moc:106
#39 0x00007fabc3529f5f in QMetaObject::activate (sender=0x20bdc90, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#40 0x00007fabc646b81b in Plasma::ThemePrivate::notifyOfChanged (this=0x2141720) at ../../plasma/theme.cpp:366
#41 0x00007fabc646b9f9 in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at ./theme.moc:102
#42 Plasma::Theme::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./theme.moc:88
#43 0x00007fabc3529f5f in QMetaObject::activate (sender=0x2204010, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#44 0x00007fabc352926c in QObject::event (this=0x2204010, e=<optimized out>) at kernel/qobject.cpp:1157
#45 0x00007fabc28bbe9c in QApplicationPrivate::notify_helper (this=this@entry=0x20a9eb0, receiver=receiver@entry=0x2204010, e=e@entry=0x7fff3978feb0) at kernel/qapplication.cpp:4562
#46 0x00007fabc28c030a in QApplication::notify (this=0x20a65b0, receiver=0x2204010, e=0x7fff3978feb0) at kernel/qapplication.cpp:4423
#47 0x00007fabc41cd626 in KApplication::notify (this=0x20a65b0, receiver=0x2204010, event=0x7fff3978feb0) at ../../kdeui/kernel/kapplication.cpp:311
#48 0x00007fabc351456e in QCoreApplication::notifyInternal (this=0x20a65b0, receiver=0x2204010, event=0x7fff3978feb0) at kernel/qcoreapplication.cpp:915
#49 0x00007fabc3545462 in sendEvent (event=0x7fff3978feb0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#50 QTimerInfoList::activateTimers (this=0x20ac660) at kernel/qeventdispatcher_unix.cpp:611
#51 0x00007fabc3542584 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:186
#52 timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:180
#53 0x00007fabba548ab5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#54 0x00007fabba548de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#55 0x00007fabba548ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#56 0x00007fabc3542bf6 in QEventDispatcherGlib::processEvents (this=0x201ead0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#57 0x00007fabc2960c1e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#58 0x00007fabc35132bf in QEventLoop::processEvents (this=this@entry=0x7fff39790120, flags=...) at kernel/qeventloop.cpp:149
#59 0x00007fabc3513548 in QEventLoop::exec (this=0x7fff39790120, flags=...) at kernel/qeventloop.cpp:204
#60 0x00007fabc3518708 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#61 0x00007fabc6bb61b1 in kdemain (argc=1, argv=0x7fff39790418) at ../../../../plasma/desktop/shell/main.cpp:126
#62 0x00007fabc67db76d in __libc_start_main (main=0x4006a0 <main(int, char**)>, argc=1, ubp_av=0x7fff39790418, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff39790408) at libc-start.c:226
#63 0x00000000004006d1 in _start ()

This bug may be a duplicate of or related to bug 310432.

Possible duplicates by query: bug 312814, bug 310432, bug 310431, bug 305004, bug 292732.

Reported using DrKonqi