Bug 275026

Application: plasma-overlay (0.0)
KDE Platform Version: 4.6.3 (4.6.3)
Qt Version: 4.7.3
Operating System: Linux 2.6.39-1-amd64 x86_64
Distribution: Debian GNU/Linux unstable (sid)

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

I was trying to configure the plasma screensaver to show a specific image as the background.

- Unusual behavior I noticed:

The settings dialog shows up as a grey rectangle in the top left corner of the screen, the rest of the screen is black, pressing ESC crashes plasma for screensaver.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma for the Screensaver (plasma-overlay), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f40a1196780 (LWP 16715))]

Thread 4 (Thread 0x7f408045a700 (LWP 16720)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:216
#1  0x00007f409eec663e in wait (this=<value optimized out>, mutex=0x2b820b0, time=30000) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2b820b0, time=30000) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f409eebad8f in QThreadPoolThread::run (this=0x2b90380) at concurrent/qthreadpool.cpp:140
#4  0x00007f409eec6235 in QThreadPrivate::start (arg=0x2b90380) at thread/qthread_unix.cpp:320
#5  0x00007f409719bb40 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#6  0x00007f409dba728d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f407fa4b700 (LWP 16734)):
#0  __libc_enable_asynccancel () at ../nptl/sysdeps/unix/sysv/linux/x86_64/cancellation.S:66
#1  0x00007f409db9c648 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:85
#2  0x00007f409648c9e4 in ?? () from /lib/libglib-2.0.so.0
#3  0x00007f409648cf1d in g_main_context_iteration () from /lib/libglib-2.0.so.0
#4  0x00007f409efd7636 in QEventDispatcherGlib::processEvents (this=0x2d25760, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f409efabb82 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f409efabd7f in QEventLoop::exec (this=0x7f407fa4add0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007f409eec381f in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#8  0x00007f409ef8eb6f in QInotifyFileSystemWatcherEngine::run (this=0x2d25360) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f409eec6235 in QThreadPrivate::start (arg=0x2d25360) at thread/qthread_unix.cpp:320
#10 0x00007f409719bb40 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#11 0x00007f409dba728d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f407f24a700 (LWP 16744)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:216
#1  0x00007f409eec663e in wait (this=<value optimized out>, mutex=0x2b820b0, time=30000) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2b820b0, time=30000) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f409eebad8f in QThreadPoolThread::run (this=0x2d68cb0) at concurrent/qthreadpool.cpp:140
#4  0x00007f409eec6235 in QThreadPrivate::start (arg=0x2d68cb0) at thread/qthread_unix.cpp:320
#5  0x00007f409719bb40 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#6  0x00007f409dba728d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f40a1196780 (LWP 16715)):
[KCrash Handler]
#6  data (this=0x3201161232012422, index=...) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:135
#7  qGetPtrHelper<QScopedPointer<QObjectData> > (this=0x3201161232012422, index=...) at ../../include/QtCore/../../src/corelib/global/qglobal.h:2340
#8  d_func (this=0x3201161232012422, index=...) at itemviews/qabstractitemview.h:353
#9  QAbstractItemView::update (this=0x3201161232012422, index=...) at itemviews/qabstractitemview.cpp:3142
#10 0x00007f40874a7cc4 in BackgroundListModel::showPreview (this=0x2d1eec0, item=<value optimized out>, preview=...) at ../../../../../plasma/generic/wallpapers/image/backgroundlistmodel.cpp:292
#11 0x00007f40874a7ef4 in BackgroundListModel::qt_metacall (this=0x2d1eec0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff441978c0) at ./backgroundlistmodel.moc:149
#12 0x00007f409efbf5ea in QMetaObject::activate (sender=0x2d35fe0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff441978c0) at kernel/qobject.cpp:3278
#13 0x00007f409a87a777 in KIO::PreviewJob::gotPreview (this=<value optimized out>, _t1=<value optimized out>, _t2=<value optimized out>) at ./previewjob.moc:99
#14 0x00007f409a87a84b in KIO::PreviewJobPrivate::emitPreview (this=0x2ddac20, thumb=...) at ../../kio/kio/previewjob.cpp:610
#15 0x00007f409a87c5d4 in KIO::PreviewJobPrivate::statResultThumbnail (this=0x2ddac20) at ../../kio/kio/previewjob.cpp:466
#16 0x00007f409a87cb6c in KIO::PreviewJob::slotResult (this=<value optimized out>, job=<value optimized out>) at ../../kio/kio/previewjob.cpp:392
#17 0x00007f409a87e0b1 in KIO::PreviewJob::qt_metacall (this=0x2d35fe0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff44197e10) at ./previewjob.moc:85
#18 0x00007f409efbf5ea in QMetaObject::activate (sender=0x2d248d0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff44197e10) at kernel/qobject.cpp:3278
#19 0x00007f409f69d712 in KJob::result (this=<value optimized out>, _t1=0x2d248d0) at ./kjob.moc:194
#20 0x00007f409f69d750 in KJob::emitResult (this=0x2d248d0) at ../../kdecore/jobs/kjob.cpp:312
#21 0x00007f409a7f5d44 in KIO::SimpleJob::slotFinished (this=0x2d248d0) at ../../kio/kio/job.cpp:525
#22 0x00007f409a7f9a5d in KIO::StatJob::slotFinished (this=0x2d248d0) at ../../kio/kio/job.cpp:920
#23 0x00007f409a7f99b1 in KIO::StatJob::qt_metacall (this=0x2d248d0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff44198080) at ./jobclasses.moc:252
#24 0x00007f409efbf5ea in QMetaObject::activate (sender=0x2d25f40, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#25 0x00007f409a89ff61 in KIO::SlaveInterface::dispatch (this=<value optimized out>, _cmd=104, rawdata=...) at ../../kio/kio/slaveinterface.cpp:173
#26 0x00007f409a89ce15 in KIO::SlaveInterface::dispatch (this=<value optimized out>) at ../../kio/kio/slaveinterface.cpp:89
#27 0x00007f409a89075e in KIO::Slave::gotInput (this=0x2d25f40) at ../../kio/kio/slave.cpp:348
#28 0x00007f409a890dac in KIO::Slave::qt_metacall (this=0x2d25f40, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff441984a0) at ./slave.moc:82
#29 0x00007f409efbf5ea in QMetaObject::activate (sender=0x2e5e340, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#30 0x00007f409a7c6bc7 in dequeue (this=0x2788f50) at ../../kio/kio/connection.cpp:82
#31 KIO::ConnectionPrivate::dequeue (this=0x2788f50) at ../../kio/kio/connection.cpp:71
#32 0x00007f409a7c6c6d in KIO::Connection::qt_metacall (this=0x2e5e340, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x2cf5cb0) at ./connection.moc:79
#33 0x00007f409efc319a in QObject::event (this=0x2e5e340, e=<value optimized out>) at kernel/qobject.cpp:1217
#34 0x00007f409e3656d4 in notify_helper (this=0x22adcc0, receiver=0x2e5e340, e=0x2d82300) at kernel/qapplication.cpp:4467
#35 QApplicationPrivate::notify_helper (this=0x22adcc0, receiver=0x2e5e340, e=0x2d82300) at kernel/qapplication.cpp:4439
#36 0x00007f409e36a561 in QApplication::notify (this=0x22713e0, receiver=0x2e5e340, e=0x2d82300) at kernel/qapplication.cpp:4346
#37 0x00007f409fc90fb6 in KApplication::notify (this=0x22713e0, receiver=0x2e5e340, event=0x2d82300) at ../../kdeui/kernel/kapplication.cpp:311
#38 0x00007f409efac97c in QCoreApplication::notifyInternal (this=0x22713e0, receiver=0x2e5e340, event=0x2d82300) at kernel/qcoreapplication.cpp:731
#39 0x00007f409efafcc4 in sendEvent (receiver=0x0, event_type=0, data=0x2236860) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#40 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x2236860) at kernel/qcoreapplication.cpp:1372
#41 0x00007f409efd7173 in sendPostedEvents (s=0x22afe60) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#42 postEventSourceDispatch (s=0x22afe60) at kernel/qeventdispatcher_glib.cpp:277
#43 0x00007f409648c4a3 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#44 0x00007f409648cc80 in ?? () from /lib/libglib-2.0.so.0
#45 0x00007f409648cf1d in g_main_context_iteration () from /lib/libglib-2.0.so.0
#46 0x00007f409efd75cf in QEventDispatcherGlib::processEvents (this=0x2237f50, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#47 0x00007f409e40970e in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#48 0x00007f409efabb82 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#49 0x00007f409efabd7f in QEventLoop::exec (this=0x7fff44198e90, flags=...) at kernel/qeventloop.cpp:201
#50 0x00007f409efaff57 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#51 0x000000000041020b in main (argc=1, argv=0x7fff44199248) at ../../../../plasma/screensaver/shell/main.cpp:58

This bug may be a duplicate of or related to bug 269558.

Possible duplicates by query: bug 269558.

Reported using DrKonqi