Bug 327805

Application: plasma-desktop (4.10.5)
KDE Platform Version: 4.10.5
Qt Version: 4.8.4
Operating System: Linux 3.8.0-33-generic x86_64
Distribution: Ubuntu 13.04

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

Adding widgets, I had the Py Text widget's config window open when things just crashed.

-- 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 0x7ffd386817c0 (LWP 3995))]

Thread 10 (Thread 0x7ffd19b37700 (LWP 3996)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffd314d8b27 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007ffd314d8b59 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007ffd2bbd1f8e in start_thread (arg=0x7ffd19b37700) at pthread_create.c:311
#4  0x00007ffd38095a0d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 9 (Thread 0x7ffc94db3700 (LWP 4000)):
#0  0x00007ffd2bbd4075 in __GI___pthread_mutex_lock (mutex=0x7ffc84000a60) at pthread_mutex_lock.c:95
#1  0x00007ffd2b50e5c1 in g_mutex_lock (mutex=mutex@entry=0x7ffc840009a0) at /build/buildd/glib2.0-2.36.0/./glib/gthread-posix.c:210
#2  0x00007ffd2b4ce493 in g_main_context_release (context=context@entry=0x7ffc840009a0) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3149
#3  0x00007ffd2b4cf188 in g_main_context_iterate (context=context@entry=0x7ffc840009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3703
#4  0x00007ffd2b4cf304 in g_main_context_iteration (context=0x7ffc840009a0, may_block=1) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3762
#5  0x00007ffd34c75036 in QEventDispatcherGlib::processEvents (this=0x7ffc840008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007ffd34c4538f in QEventLoop::processEvents (this=this@entry=0x7ffc94db2d90, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007ffd34c45618 in QEventLoop::exec (this=this@entry=0x7ffc94db2d90, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007ffd34b47410 in QThread::exec (this=this@entry=0x2c42210) at thread/qthread.cpp:542
#9  0x00007ffd34c26edf in QInotifyFileSystemWatcherEngine::run (this=0x2c42210) at io/qfilesystemwatcher_inotify.cpp:256
#10 0x00007ffd34b49bec in QThreadPrivate::start (arg=0x2c42210) at thread/qthread_unix.cpp:338
#11 0x00007ffd2bbd1f8e in start_thread (arg=0x7ffc94db3700) at pthread_create.c:311
#12 0x00007ffd38095a0d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 8 (Thread 0x7ffc88a59700 (LWP 4001)):
#0  0x00007ffd380876fd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffd2b50d6cf in read (__nbytes=16, __buf=0x7ffc88a58ba0, __fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44
#2  g_wakeup_acknowledge (wakeup=0x7ffc84001da0) at /build/buildd/glib2.0-2.36.0/./glib/gwakeup.c:212
#3  0x00007ffd2b4ced3c in g_main_context_check (context=context@entry=0x7ffc7c0009a0, max_priority=2147483647, fds=fds@entry=0x7ffc7c002bb0, n_fds=n_fds@entry=1) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3502
#4  0x00007ffd2b4cf175 in g_main_context_iterate (context=context@entry=0x7ffc7c0009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3698
#5  0x00007ffd2b4cf304 in g_main_context_iteration (context=0x7ffc7c0009a0, may_block=1) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3762
#6  0x00007ffd34c75036 in QEventDispatcherGlib::processEvents (this=0x7ffc7c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x00007ffd34c4538f in QEventLoop::processEvents (this=this@entry=0x7ffc88a58d90, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007ffd34c45618 in QEventLoop::exec (this=this@entry=0x7ffc88a58d90, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007ffd34b47410 in QThread::exec (this=this@entry=0x260a190) at thread/qthread.cpp:542
#10 0x00007ffd34c26edf in QInotifyFileSystemWatcherEngine::run (this=0x260a190) at io/qfilesystemwatcher_inotify.cpp:256
#11 0x00007ffd34b49bec in QThreadPrivate::start (arg=0x260a190) at thread/qthread_unix.cpp:338
#12 0x00007ffd2bbd1f8e in start_thread (arg=0x7ffc88a59700) at pthread_create.c:311
#13 0x00007ffd38095a0d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 7 (Thread 0x7ffc79c98700 (LWP 4008)):
#0  0x00007ffd2b4ce8b7 in g_main_context_prepare (context=context@entry=0x7ffc740009a0, priority=priority@entry=0x7ffc79c97c28) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3310
#1  0x00007ffd2b4cf0fe in g_main_context_iterate (context=context@entry=0x7ffc740009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3681
#2  0x00007ffd2b4cf304 in g_main_context_iteration (context=0x7ffc740009a0, may_block=1) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3762
#3  0x00007ffd34c75036 in QEventDispatcherGlib::processEvents (this=0x7ffc740008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007ffd34c4538f in QEventLoop::processEvents (this=this@entry=0x7ffc79c97d80, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007ffd34c45618 in QEventLoop::exec (this=this@entry=0x7ffc79c97d80, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007ffd34b47410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#7  0x00007ffc7bbd56e5 in KCupsConnection::run() () from /usr/lib/libkcupslib.so
#8  0x00007ffd34b49bec in QThreadPrivate::start (arg=0x3c70b10) at thread/qthread_unix.cpp:338
#9  0x00007ffd2bbd1f8e in start_thread (arg=0x7ffc79c98700) at pthread_create.c:311
#10 0x00007ffd38095a0d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 6 (Thread 0x7ffc65889700 (LWP 4534)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffd34b4a14b in wait (time=18446744073709551615, this=0x2d11490) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x2dd3978, mutex=0x2c94840, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007ffd3075c041 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2dd3950, th=0x6064630) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007ffd3075e94b in ThreadWeaver::WorkingHardState::applyForWork (this=0x2cd5f70, th=0x6064630) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007ffd3075d63f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7ffc65888dc0, parent=0x2dd3950, th=th@entry=0x6064630) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007ffd3075d6cb in ThreadWeaver::Thread::run (this=0x6064630) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007ffd34b49bec in QThreadPrivate::start (arg=0x6064630) at thread/qthread_unix.cpp:338
#8  0x00007ffd2bbd1f8e in start_thread (arg=0x7ffc65889700) at pthread_create.c:311
#9  0x00007ffd38095a0d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 5 (Thread 0x7ffc67fff700 (LWP 4535)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffd34b4a14b in wait (time=18446744073709551615, this=0x2d11490) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x2dd3978, mutex=0x2c94840, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007ffd3075c041 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2dd3950, th=0x6342380) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007ffd3075e94b in ThreadWeaver::WorkingHardState::applyForWork (this=0x2cd5f70, th=0x6342380) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007ffd3075d63f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7ffc67ffedc0, parent=0x2dd3950, th=th@entry=0x6342380) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007ffd3075d6cb in ThreadWeaver::Thread::run (this=0x6342380) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007ffd34b49bec in QThreadPrivate::start (arg=0x6342380) at thread/qthread_unix.cpp:338
#8  0x00007ffd2bbd1f8e in start_thread (arg=0x7ffc67fff700) at pthread_create.c:311
#9  0x00007ffd38095a0d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7ffc72874700 (LWP 4536)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffd34b4a14b in wait (time=18446744073709551615, this=0x2d11490) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x2dd3978, mutex=0x2c94840, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007ffd3075c041 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2dd3950, th=0x3327a40) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007ffd3075e94b in ThreadWeaver::WorkingHardState::applyForWork (this=0x2cd5f70, th=0x3327a40) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007ffd3075d63f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7ffc72873dc0, parent=0x2dd3950, th=th@entry=0x3327a40) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007ffd3075d6cb in ThreadWeaver::Thread::run (this=0x3327a40) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007ffd34b49bec in QThreadPrivate::start (arg=0x3327a40) at thread/qthread_unix.cpp:338
#8  0x00007ffd2bbd1f8e in start_thread (arg=0x7ffc72874700) at pthread_create.c:311
#9  0x00007ffd38095a0d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7ffc7888c700 (LWP 4537)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffd34b4a14b in wait (time=18446744073709551615, this=0x2d11490) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x2dd3978, mutex=0x2c94840, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007ffd3075c041 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2dd3950, th=0x2ef14c0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007ffd3075e94b in ThreadWeaver::WorkingHardState::applyForWork (this=0x2cd5f70, th=0x2ef14c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007ffd3075d63f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7ffc7888bdc0, parent=0x2dd3950, th=th@entry=0x2ef14c0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007ffd3075d6cb in ThreadWeaver::Thread::run (this=0x2ef14c0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007ffd34b49bec in QThreadPrivate::start (arg=0x2ef14c0) at thread/qthread_unix.cpp:338
#8  0x00007ffd2bbd1f8e in start_thread (arg=0x7ffc7888c700) at pthread_create.c:311
#9  0x00007ffd38095a0d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7ffc5ffff700 (LWP 4538)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffd34b4a14b in wait (time=18446744073709551615, this=0x2d11490) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x2dd3978, mutex=0x2c94840, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007ffd3075c041 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2dd3950, th=0x4a12c80) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007ffd3075e94b in ThreadWeaver::WorkingHardState::applyForWork (this=0x2cd5f70, th=0x4a12c80) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007ffd3075d63f in ThreadWeaver::ThreadRunHelper::run (this=this@entry=0x7ffc5fffedc0, parent=0x2dd3950, th=th@entry=0x4a12c80) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007ffd3075d6cb in ThreadWeaver::Thread::run (this=0x4a12c80) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007ffd34b49bec in QThreadPrivate::start (arg=0x4a12c80) at thread/qthread_unix.cpp:338
#8  0x00007ffd2bbd1f8e in start_thread (arg=0x7ffc5ffff700) at pthread_create.c:311
#9  0x00007ffd38095a0d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7ffd386817c0 (LWP 3995)):
[KCrash Handler]
#6  0x00007ffd3683f944 in QDeclarativeItem::~QDeclarativeItem (this=0x7891d60, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#7  0x00007ffc98b9ab11 in ~QDeclarativeElement (this=0x7891d60, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#8  QDeclarativePrivate::QDeclarativeElement<Plasma::FrameSvgItem>::~QDeclarativeElement (this=0x7891d60, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#9  0x00007ffd34c605e8 in QObject::event (this=0x7891d60, e=<optimized out>) at kernel/qobject.cpp:1175
#10 0x00007ffd33fec8ec in QApplicationPrivate::notify_helper (this=this@entry=0x22763d0, receiver=receiver@entry=0x7891d60, e=e@entry=0x6f3c080) at kernel/qapplication.cpp:4567
#11 0x00007ffd33fef25b in QApplication::notify (this=this@entry=0x2260b60, receiver=receiver@entry=0x7891d60, e=e@entry=0x6f3c080) at kernel/qapplication.cpp:4428
#12 0x00007ffd3590a1a6 in KApplication::notify (this=0x2260b60, receiver=0x7891d60, event=0x6f3c080) at ../../kdeui/kernel/kapplication.cpp:311
#13 0x00007ffd34c4663e in QCoreApplication::notifyInternal (this=0x2260b60, receiver=receiver@entry=0x7891d60, event=event@entry=0x6f3c080) at kernel/qcoreapplication.cpp:946
#14 0x00007ffd34c4a171 in sendEvent (event=0x6f3c080, receiver=0x7891d60) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#15 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x21f31f0) at kernel/qcoreapplication.cpp:1570
#16 0x00007ffd34c4a4a3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#17 0x00007ffd34c74e83 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#18 postEventSourceDispatch (s=s@entry=0x227aa10) at kernel/qeventdispatcher_glib.cpp:279
#19 0x00007ffd2b4cef05 in g_main_dispatch (context=0x2279fc0) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3054
#20 g_main_context_dispatch (context=context@entry=0x2279fc0) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3630
#21 0x00007ffd2b4cf248 in g_main_context_iterate (context=context@entry=0x2279fc0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3701
#22 0x00007ffd2b4cf304 in g_main_context_iteration (context=0x2279fc0, may_block=1) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3762
#23 0x00007ffd34c75016 in QEventDispatcherGlib::processEvents (this=0x21f4ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#24 0x00007ffd3409213e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#25 0x00007ffd34c4538f in QEventLoop::processEvents (this=this@entry=0x7fffb4789b90, flags=...) at kernel/qeventloop.cpp:149
#26 0x00007ffd34c45618 in QEventLoop::exec (this=this@entry=0x7fffb4789b90, flags=...) at kernel/qeventloop.cpp:204
#27 0x00007ffd34c4acf6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#28 0x00007ffd33feaffc in QApplication::exec () at kernel/qapplication.cpp:3828
#29 0x00007ffd383a146b in kdemain (argc=1, argv=0x7fffb4789e88) at ../../../../plasma/desktop/shell/main.cpp:126
#30 0x00007ffd37fbcea5 in __libc_start_main (main=0x4006e0 <main(int, char**)>, argc=1, ubp_av=0x7fffb4789e88, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffb4789e78) at libc-start.c:260
#31 0x0000000000400711 in _start ()

Possible duplicates by query: bug 327694, bug 327526, bug 327525, bug 327130, bug 327113.

Reported using DrKonqi