Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-22-generic x86_64
Distribution: Ubuntu 10.04 LTS

-- Information about the crash:
Plasma is crashed after I put a widget on the desktop 

 -- Backtrace:
Application: Spazio di lavoro di Plasma (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fe0646a0760 (LWP 1636))]

Thread 3 (Thread 0x7fe03a33e710 (LWP 1639)):
#0  *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fe05e0524a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007fe05e0528fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007fe062c95566 in QEventDispatcherGlib::processEvents (this=0x1aff0b0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#4  0x00007fe062c6a992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007fe062c6ad6c in QEventLoop::exec (this=0x7fe03a33ddb0, flags=) at kernel/qeventloop.cpp:201
#6  0x00007fe062b74d59 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:487
#7  0x00007fe062c4b178 in QInotifyFileSystemWatcherEngine::run (this=0x1b41120) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fe062b77775 in QThreadPrivate::start (arg=0x1b41120) at thread/qthread_unix.cpp:248
#9  0x00007fe0628e79ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007fe06169a6cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fe040de7710 (LWP 3941)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fe055f462a6 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7fe056224220) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2304
#2  0x00007fe055f462e9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x7fe0562322ec) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1438
#3  0x00007fe0628e79ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#4  0x00007fe06169a6cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fe0646a0760 (LWP 1636)):
[KCrash Handler]
#5  0x00007fe04d6bd045 in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#6  0x00007fe062b93b87 in QHashData::detach_helper2 (this=0x365fe30, node_duplicate=0x7fe04d6bd040, node_delete=<value optimized out>, nodeSize=<value optimized out>, nodeAlign=8)
    at tools/qhash.cpp:239
#7  0x00007fe04d6c0f66 in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#8  0x00007fe04d3351af in ?? () from /usr/lib/pymodules/python2.6/sip.so
#9  0x00007fe04e273d5f in subtract_refs (generation=2) at ../Modules/gcmodule.c:296
#10 collect (generation=2) at ../Modules/gcmodule.c:817
#11 0x00007fe04e2749b4 in PyGC_Collect () at ../Modules/gcmodule.c:1292
#12 0x00007fe04e265856 in Py_Finalize () at ../Python/pythonrun.c:428
#13 0x00007fe04e780eb5 in ~KPythonPluginFactory (this=0x1accf10, __in_chrg=<value optimized out>) at /build/buildd/kdebindings-4.4.2/python/pykde4/kpythonpluginfactory/kpythonpluginfactory.cpp:252
#14 0x00007fe062c83de2 in QObjectCleanupHandler::clear (this=0x16d64a0) at kernel/qobjectcleanuphandler.cpp:140
#15 0x00007fe062c83e34 in ~QObjectCleanupHandler (this=0x30, __in_chrg=<value optimized out>) at kernel/qobjectcleanuphandler.cpp:86
#16 0x00007fe0615ed262 in __run_exit_handlers (status=1) at exit.c:78
#17 *__GI_exit (status=1) at exit.c:100
#18 0x00007fe027b4adef in gdk_x_error (display=<value optimized out>, error=<value optimized out>) at /build/buildd/gtk+2.0-2.20.1/gdk/x11/gdkmain-x11.c:470
#19 0x00007fe063ad7db4 in _XError (dpy=0x13fdc90, rep=0x43d5f90) at ../../src/XlibInt.c:3103
#20 0x00007fe063ade986 in _XReply (dpy=0x13fdc90, rep=<value optimized out>, extra=0, discard=0) at ../../src/xcb_io.c:513
#21 0x00007fe063abb697 in XGetWindowProperty (dpy=0x13fdc90, w=<value optimized out>, property=316, offset=0, length=1, delete=1637031504, req_type=316, actual_type=0x7fffabd3c8d0, actual_format=
    0x7fffabd3c8dc, nitems=0x7fffabd3c8c8, bytesafter=0x7fffabd3c8c0, prop=0x7fffabd3c8b8) at ../../src/GetProp.c:64
#22 0x00007fe0632f626b in NETWinInfo::update (this=0x7fffabd3caf0, dirty_props=<value optimized out>) at ../../kdeui/windowmanagement/netwm.cpp:3919
#23 0x00007fe0632f78d6 in NETWinInfo::event (this=0x7fffabd3caf0, event=0x7fffabd3d280, properties=0x7fffabd3cac0, properties_size=2) at ../../kdeui/windowmanagement/netwm.cpp:3884
#24 0x00007fe0632ee420 in KWindowSystemPrivate::x11Event (this=0x177f3d0, ev=0x7fffabd3d280) at ../../kdeui/windowmanagement/kwindowsystem_x11.cpp:162
#25 0x00007fe0631b2d06 in KAppX11HackWidget::publicx11Event (this=<value optimized out>, _event=0x7fffabd3d280) at ../../kdeui/kernel/kapplication.cpp:903
#26 KApplication::x11EventFilter (this=<value optimized out>, _event=0x7fffabd3d280) at ../../kdeui/kernel/kapplication.cpp:953
#27 0x00007fe0564bc8c7 in PlasmaApp::x11EventFilter (this=0x13d1c70, event=0x7fffabd3d280) at ../../../../plasma/desktop/shell/plasmaapp.cpp:600
#28 0x00007fe061e7d641 in qt_x11EventFilter (ev=0x7fffabd3d280) at kernel/qapplication_x11.cpp:399
#29 0x00007fe061e8c191 in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fffabd3d280) at kernel/qapplication_x11.cpp:3231
#30 0x00007fe061eb8882 in x11EventSourceDispatch (s=0x13eb850, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#31 0x00007fe05e04e8c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#32 0x00007fe05e052748 in ?? () from /lib/libglib-2.0.so.0
#33 0x00007fe05e0528fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#34 0x00007fe062c95513 in QEventDispatcherGlib::processEvents (this=0x1364140, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#35 0x00007fe061eb846e in QGuiEventDispatcherGlib::processEvents (this=0x30, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#36 0x00007fe062c6a992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#37 0x00007fe062c6ad6c in QEventLoop::exec (this=0x7fffabd3d5b0, flags=) at kernel/qeventloop.cpp:201
#38 0x00007fe062c6eaab in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#39 0x00007fe0564aafb2 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/desktop/shell/main.cpp:112
#40 0x00000000004070f3 in launch (argc=1, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=0, envs=<value optimized out>, reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x40a4f9 "0") at ../../kinit/kinit.cpp:717
#41 0x0000000000407cb0 in handle_launcher_request (sock=8, who=<value optimized out>) at ../../kinit/kinit.cpp:1209
#42 0x000000000040823a in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1402
#43 0x0000000000408e22 in main (argc=4, argv=<value optimized out>, envp=<value optimized out>) at ../../kinit/kinit.cpp:1845

Reported using DrKonqi