Application: plasma-desktop (0.4)
KDE Platform Version: 4.9.5 (Compiled from sources)
Qt Version: 4.8.3
Operating System: Linux 3.5.0-27-generic x86_64
Distribution: Ubuntu 12.10

-- Information about the crash:
- What I was doing when the application crashed:
Opening www.facebook.com with rekonq.
Build is Ubuntu but i installed KDE. 12.10.

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 0x7f1c5e9667c0 (LWP 2480))]

Thread 4 (Thread 0x7f1c41a14700 (LWP 2481)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f1c57f42cd7 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f1c57f42d09 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f1c4f814764 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#4  0x00007f1c525dbe9a in start_thread (arg=0x7f1c41a14700) at pthread_create.c:308
#5  0x00007f1c5e248cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f1c3f0f2700 (LWP 2482)):
#0  0x00007f1c5e23d303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f1c51edcd84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1c51edcea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1c5aeebc16 in QEventDispatcherGlib::processEvents (this=0x7f1c380008f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f1c5aebc2bf in QEventLoop::processEvents (this=this@entry=0x7f1c3f0f1cd0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f1c5aebc548 in QEventLoop::exec (this=0x7f1c3f0f1cd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f1c5adbdb10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f1c5ae9c9af in QInotifyFileSystemWatcherEngine::run (this=0x14956e0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f1c5adc0aec in QThreadPrivate::start (arg=0x14956e0) at thread/qthread_unix.cpp:338
#9  0x00007f1c4f814764 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007f1c525dbe9a in start_thread (arg=0x7f1c3f0f2700) at pthread_create.c:308
#11 0x00007f1c5e248cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f1c3dda6700 (LWP 2483)):
#0  0x00007f1c525df05d in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x7f1c30000a90) at pthread_mutex_unlock.c:290
#2  0x00007f1c51f19e51 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1c51edc769 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1c51edccf9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1c51edcea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f1c5aeebc16 in QEventDispatcherGlib::processEvents (this=0x7f1c300008f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x00007f1c5aebc2bf in QEventLoop::processEvents (this=this@entry=0x7f1c3dda5cd0, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007f1c5aebc548 in QEventLoop::exec (this=0x7f1c3dda5cd0, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007f1c5adbdb10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#10 0x00007f1c5ae9c9af in QInotifyFileSystemWatcherEngine::run (this=0x1572a80) at io/qfilesystemwatcher_inotify.cpp:248
#11 0x00007f1c5adc0aec in QThreadPrivate::start (arg=0x1572a80) at thread/qthread_unix.cpp:338
#12 0x00007f1c4f814764 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#13 0x00007f1c525dbe9a in start_thread (arg=0x7f1c3dda6700) at pthread_create.c:308
#14 0x00007f1c5e248cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#15 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f1c5e9667c0 (LWP 2480)):
[KCrash Handler]
#6  0x0000000000000031 in ?? ()
#7  0x00007f1c5cab0dd7 in QDeclarativeItem::~QDeclarativeItem (this=0x42d1640, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#8  0x00007f1c35524311 in ~QDeclarativeElement (this=0x42d1640, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#9  QDeclarativePrivate::QDeclarativeElement<Plasma::FrameSvgItem>::~QDeclarativeElement (this=0x42d1640, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#10 0x00007f1c5aed2468 in QObject::event (this=0x42d1640, e=<optimized out>) at kernel/qobject.cpp:1176
#11 0x00007f1c5a264e9c in QApplicationPrivate::notify_helper (this=this@entry=0x143ce00, receiver=receiver@entry=0x42d1640, e=e@entry=0x3068480) at kernel/qapplication.cpp:4562
#12 0x00007f1c5a26930a in QApplication::notify (this=0x13e51e0, receiver=0x42d1640, e=0x3068480) at kernel/qapplication.cpp:4423
#13 0x00007f1c5bb761f6 in KApplication::notify (this=0x13e51e0, receiver=0x42d1640, event=0x3068480) at ../../kdeui/kernel/kapplication.cpp:311
#14 0x00007f1c5aebd56e in QCoreApplication::notifyInternal (this=0x13e51e0, receiver=receiver@entry=0x42d1640, event=event@entry=0x3068480) at kernel/qcoreapplication.cpp:915
#15 0x00007f1c5aec13f1 in sendEvent (event=0x3068480, receiver=0x42d1640) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#16 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x133e1f0) at kernel/qcoreapplication.cpp:1539
#17 0x00007f1c5aeeba63 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#18 postEventSourceDispatch (s=0x1438440) at kernel/qeventdispatcher_glib.cpp:279
#19 0x00007f1c51edcab5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f1c51edcde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f1c51edcea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f1c5aeebbf6 in QEventDispatcherGlib::processEvents (this=0x133fad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#23 0x00007f1c5a309c1e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007f1c5aebc2bf in QEventLoop::processEvents (this=this@entry=0x7fff04f4d800, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007f1c5aebc548 in QEventLoop::exec (this=0x7fff04f4d800, flags=...) at kernel/qeventloop.cpp:204
#26 0x00007f1c5aec1708 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#27 0x00007f1c5e54f035 in kdemain (argc=1, argv=0x7fff04f4daf8) at ../../../../plasma/desktop/shell/main.cpp:120
#28 0x00007f1c5e17676d in __libc_start_main (main=0x4006a0 <main(int, char**)>, argc=1, ubp_av=0x7fff04f4daf8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff04f4dae8) at libc-start.c:226
#29 0x00000000004006d1 in _start ()

Possible duplicates by query: bug 318174, bug 318008, bug 317889, bug 317771, bug 317725.

Reported using DrKonqi