Application: plasma-desktop (0.4)
KDE Platform Version: 4.9.2 (Compiled from sources)
Qt Version: 4.8.3
Operating System: Linux 3.5.0-17-generic x86_64
Distribution: Ubuntu 12.10

-- Information about the crash:
- What I was doing when the application crashed:

Attempted to add a widget to the Plasma desktop.  This caused the application to crash and restart.

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 0x7f8205e5e7c0 (LWP 2048))]

Thread 8 (Thread 0x7f81e5f50700 (LWP 2049)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f81ff437cd7 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f81ff437d09 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f81f6d09764 in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#4  0x00007f81f9ad0e9a in start_thread (arg=0x7f81e5f50700) at pthread_create.c:308
#5  0x00007f820573acbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f81ddf9b700 (LWP 2050)):
#0  0x00007f820572d8bd in read () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007f81f6d0874c in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#2  0x00007f81f458cbe7 in ?? () from /usr/lib/nvidia-current-updates/tls/libnvidia-tls.so.304.51
#3  0x00007f81f940df6f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f81f93d1914 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f81f93d1d22 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f81f93d1ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f82023e0c16 in QEventDispatcherGlib::processEvents (this=0x7f81d80008f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#8  0x00007f82023b12bf in QEventLoop::processEvents (this=this@entry=0x7f81ddf9acd0, flags=...) at kernel/qeventloop.cpp:149
#9  0x00007f82023b1548 in QEventLoop::exec (this=0x7f81ddf9acd0, flags=...) at kernel/qeventloop.cpp:204
#10 0x00007f82022b2b10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#11 0x00007f82023919af in QInotifyFileSystemWatcherEngine::run (this=0x13c81f0) at io/qfilesystemwatcher_inotify.cpp:248
#12 0x00007f82022b5aec in QThreadPrivate::start (arg=0x13c81f0) at thread/qthread_unix.cpp:338
#13 0x00007f81f6d09764 in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#14 0x00007f81f9ad0e9a in start_thread (arg=0x7f81ddf9b700) at pthread_create.c:308
#15 0x00007f820573acbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#16 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f81d796a700 (LWP 2051)):
#0  0x00007f81f9ad405d in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x7f81d0000a90) at pthread_mutex_unlock.c:290
#2  0x00007f81f940ec61 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f81f93d1c9e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f81f93d1ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f82023e0c16 in QEventDispatcherGlib::processEvents (this=0x7f81d00008f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f82023b12bf in QEventLoop::processEvents (this=this@entry=0x7f81d7969cd0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f82023b1548 in QEventLoop::exec (this=0x7f81d7969cd0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f82022b2b10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007f82023919af in QInotifyFileSystemWatcherEngine::run (this=0x12ea790) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f82022b5aec in QThreadPrivate::start (arg=0x12ea790) at thread/qthread_unix.cpp:338
#11 0x00007f81f6d09764 in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#12 0x00007f81f9ad0e9a in start_thread (arg=0x7f81d796a700) at pthread_create.c:308
#13 0x00007f820573acbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f81cec89700 (LWP 2792)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f82022b604b in wait (time=18446744073709551615, this=0x1bc2b00) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1b71970, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f81fe6bc0e1 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1c59d90, th=0x2342650) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f81fe6be92b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b9d6b0, th=0x2342650) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f81fe6be944 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b9d6b0, th=0x2342650) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f81fe6bd79f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7f81cec88d00, parent=0x1c59d90, th=th@entry=0x2342650) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f81fe6bd82b in ThreadWeaver::Thread::run (this=0x2342650) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f82022b5aec in QThreadPrivate::start (arg=0x2342650) at thread/qthread_unix.cpp:338
#9  0x00007f81f6d09764 in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#10 0x00007f81f9ad0e9a in start_thread (arg=0x7f81cec89700) at pthread_create.c:308
#11 0x00007f820573acbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f81cd834700 (LWP 2793)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f82022b604b in wait (time=18446744073709551615, this=0x1bc2b00) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1b71970, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f81fe6bc0e1 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1c59d90, th=0x342caa0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f81fe6be92b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b9d6b0, th=0x342caa0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f81fe6bd79f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7f81cd833d00, parent=0x1c59d90, th=th@entry=0x342caa0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f81fe6bd82b in ThreadWeaver::Thread::run (this=0x342caa0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f82022b5aec in QThreadPrivate::start (arg=0x342caa0) at thread/qthread_unix.cpp:338
#8  0x00007f81f6d09764 in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#9  0x00007f81f9ad0e9a in start_thread (arg=0x7f81cd834700) at pthread_create.c:308
#10 0x00007f820573acbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f81bf9eb700 (LWP 2794)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f82022b604b in wait (time=18446744073709551615, this=0x1bc2b00) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1b71970, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f81fe6bc0e1 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1c59d90, th=0x2340c70) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f81fe6be92b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b9d6b0, th=0x2340c70) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f81fe6be944 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b9d6b0, th=0x2340c70) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f81fe6be944 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b9d6b0, th=0x2340c70) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007f81fe6be944 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b9d6b0, th=0x2340c70) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#8  0x00007f81fe6be944 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b9d6b0, th=0x2340c70) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#9  0x00007f81fe6be944 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b9d6b0, th=0x2340c70) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#10 0x00007f81fe6bd79f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7f81bf9ead00, parent=0x1c59d90, th=th@entry=0x2340c70) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x00007f81fe6bd82b in ThreadWeaver::Thread::run (this=0x2340c70) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x00007f82022b5aec in QThreadPrivate::start (arg=0x2340c70) at thread/qthread_unix.cpp:338
#13 0x00007f81f6d09764 in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#14 0x00007f81f9ad0e9a in start_thread (arg=0x7f81bf9eb700) at pthread_create.c:308
#15 0x00007f820573acbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#16 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f81bf1ea700 (LWP 2795)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f82022b604b in wait (time=18446744073709551615, this=0x1bc2b00) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1b71970, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f81fe6bc0e1 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1c59d90, th=0x2f71230) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f81fe6be92b in ThreadWeaver::WorkingHardState::applyForWork (this=0x1b9d6b0, th=0x2f71230) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f81fe6bd79f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7f81bf1e9d00, parent=0x1c59d90, th=th@entry=0x2f71230) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f81fe6bd82b in ThreadWeaver::Thread::run (this=0x2f71230) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f82022b5aec in QThreadPrivate::start (arg=0x2f71230) at thread/qthread_unix.cpp:338
#8  0x00007f81f6d09764 in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#9  0x00007f81f9ad0e9a in start_thread (arg=0x7f81bf1ea700) at pthread_create.c:308
#10 0x00007f820573acbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f8205e5e7c0 (LWP 2048)):
[KCrash Handler]
#6  0x00007f8203fa5dd4 in QDeclarativeItem::~QDeclarativeItem (this=0x38adfc0, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#7  0x00007f81e5024281 in ~QDeclarativeElement (this=0x38adfc0, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#8  QDeclarativePrivate::QDeclarativeElement<Plasma::FrameSvgItem>::~QDeclarativeElement (this=0x38adfc0, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#9  0x00007f82023c7468 in QObject::event (this=0x38adfc0, e=<optimized out>) at kernel/qobject.cpp:1176
#10 0x00007f8201759e9c in QApplicationPrivate::notify_helper (this=this@entry=0x129fb60, receiver=receiver@entry=0x38adfc0, e=e@entry=0x3696a30) at kernel/qapplication.cpp:4562
#11 0x00007f820175e30a in QApplication::notify (this=0x1250410, receiver=0x38adfc0, e=0x3696a30) at kernel/qapplication.cpp:4423
#12 0x00007f820306b1d6 in KApplication::notify (this=0x1250410, receiver=0x38adfc0, event=0x3696a30) at ../../kdeui/kernel/kapplication.cpp:311
#13 0x00007f82023b256e in QCoreApplication::notifyInternal (this=0x1250410, receiver=receiver@entry=0x38adfc0, event=event@entry=0x3696a30) at kernel/qcoreapplication.cpp:915
#14 0x00007f82023b63f1 in sendEvent (event=0x3696a30, receiver=0x38adfc0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#15 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x11a31f0) at kernel/qcoreapplication.cpp:1539
#16 0x00007f82023e0a63 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#17 postEventSourceDispatch (s=0x12a4a00) at kernel/qeventdispatcher_glib.cpp:279
#18 0x00007f81f93d1ab5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f81f93d1de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f81f93d1ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f82023e0bf6 in QEventDispatcherGlib::processEvents (this=0x11a4ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#22 0x00007f82017fec1e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#23 0x00007f82023b12bf in QEventLoop::processEvents (this=this@entry=0x7fffb0c8c6b0, flags=...) at kernel/qeventloop.cpp:149
#24 0x00007f82023b1548 in QEventLoop::exec (this=0x7fffb0c8c6b0, flags=...) at kernel/qeventloop.cpp:204
#25 0x00007f82023b6708 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#26 0x00007f8205a41035 in kdemain (argc=1, argv=0x7fffb0c8c9a8) at ../../../../plasma/desktop/shell/main.cpp:120
#27 0x00007f820566876d in __libc_start_main (main=0x4006a0 <main(int, char**)>, argc=1, ubp_av=0x7fffb0c8c9a8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffb0c8c998) at libc-start.c:226
#28 0x00000000004006d1 in _start ()

This bug may be a duplicate of or related to bug 302931.

Possible duplicates by query: bug 309293, bug 309144, bug 308849, bug 308704, bug 308634.

Reported using DrKonqi