Application: gwenview (2.9.1)
KDE Platform Version: 4.9.2
Qt Version: 4.8.2
Operating System: Linux 3.2.0-32-generic x86_64
Distribution: Ubuntu 12.04.1 LTS

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

Opened an image in Gwenview. Went to menu, under Plugins selected Metadata and then Edit Metadata. Crashes immediately every time.

The crash can be reproduced every time.

-- Backtrace:
Application: Gwenview (gwenview), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f838e156780 (LWP 20767))]

Thread 4 (Thread 0x7f8378db8700 (LWP 20769)):
#0  0x00007f8387295410 in pthread_mutex_unlock@plt () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f83872ff5d1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f83872c398b in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f83872c3faa in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f83872c4164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f838cfa5906 in QEventDispatcherGlib::processEvents (this=0x7f83740008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f838cf74e42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f838cf75097 in QEventLoop::exec (this=0x7f8378db7dd0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f838ce74057 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007f838cf54b4f in QInotifyFileSystemWatcherEngine::run (this=0x1f6e610) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f838ce7707b in QThreadPrivate::start (arg=0x1f6e610) at thread/qthread_unix.cpp:307
#11 0x00007f8387984e9a in start_thread (arg=0x7f8378db8700) at pthread_create.c:308
#12 0x00007f838ab26cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f8373b7c700 (LWP 20770)):
#0  0x00007f838ab1b303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f83872c4036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f83872c4164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f838cfa5906 in QEventDispatcherGlib::processEvents (this=0x7f836c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f838cf74e42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f838cf75097 in QEventLoop::exec (this=0x7f8373b7bdd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f838ce74057 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f838cf54b4f in QInotifyFileSystemWatcherEngine::run (this=0x2107d60) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f838ce7707b in QThreadPrivate::start (arg=0x2107d60) at thread/qthread_unix.cpp:307
#9  0x00007f8387984e9a in start_thread (arg=0x7f8373b7c700) at pthread_create.c:308
#10 0x00007f838ab26cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f8371be6700 (LWP 20777)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f838ce7758b in wait (time=18446744073709551615, this=0x1fae040) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1fb1558, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f838da9d87e in ?? () from /usr/lib/libgwenviewlib.so.4
#4  0x00007f838ce7707b in QThreadPrivate::start (arg=0x1fb1540) at thread/qthread_unix.cpp:307
#5  0x00007f8387984e9a in start_thread (arg=0x7f8371be6700) at pthread_create.c:308
#6  0x00007f838ab26cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f838e156780 (LWP 20767)):
[KCrash Handler]
#6  size (this=0x2bc1967) at ../../include/QtCore/../../src/corelib/tools/qlist.h:98
#7  size (this=0x2bc1967) at ../../include/QtCore/../../src/corelib/tools/qlist.h:137
#8  qt_qFindChildren_helper (parent=<optimized out>, name=..., re=0x0, mo=..., list=0x7fff51a524d0) at kernel/qobject.cpp:1848
#9  0x00007f838cf8db68 in qt_qFindChildren_helper (parent=<optimized out>, name=..., re=0x0, mo=..., list=0x7fff51a524d0) at kernel/qobject.cpp:1859
#10 0x00007f838cf8db68 in qt_qFindChildren_helper (parent=<optimized out>, name=..., re=0x0, mo=..., list=0x7fff51a524d0) at kernel/qobject.cpp:1859
#11 0x00007f838cf8db68 in qt_qFindChildren_helper (parent=<optimized out>, name=..., re=0x0, mo=..., list=0x7fff51a524d0) at kernel/qobject.cpp:1859
#12 0x00007f838cf8db68 in qt_qFindChildren_helper (parent=<optimized out>, name=..., re=0x0, mo=..., list=0x7fff51a524d0) at kernel/qobject.cpp:1859
#13 0x00007f838cf8db68 in qt_qFindChildren_helper (parent=<optimized out>, name=..., re=0x0, mo=..., list=0x7fff51a524d0) at kernel/qobject.cpp:1859
#14 0x00007f838bc65b74 in findChildren<QPushButton*> (aName=..., this=0x2a9b110) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:170
#15 QDialogPrivate::setDefault (this=0x2a7bdf0, pushButton=0x2966610) at dialogs/qdialog.cpp:340
#16 0x00007f838bbf2366 in QPushButton::setDefault (this=0x2966610, enable=<optimized out>) at widgets/qpushbutton.cpp:375
#17 0x00007f838c425af1 in KDialog::setDefaultButton (this=0x2a9b110, newDefaultButton=KDialog::Ok) at ../../kdeui/dialogs/kdialog.cpp:309
#18 0x00007f838c425c97 in KDialogPrivate::appendButton (this=0x2a895a0, key=KDialog::Ok, item=...) at ../../kdeui/dialogs/kdialog.cpp:166
#19 0x00007f838c426090 in KDialog::setButtons (this=0x2a9b110, buttonMask=...) at ../../kdeui/dialogs/kdialog.cpp:246
#20 0x00007f8341f6b899 in KIPIMetadataEditPlugin::MetadataEditDialog::MetadataEditDialog (this=0x2a9b110, parent=<optimized out>, urls=...) at /build/buildd/digikam-2.6.0/extra/kipi-plugins/metadataedit/plugin/metadataedit.cpp:108
#21 0x00007f8341f61559 in KIPIMetadataEditPlugin::Plugin_MetadataEdit::slotEditAllMetadata (this=<optimized out>) at /build/buildd/digikam-2.6.0/extra/kipi-plugins/metadataedit/plugin/plugin_metadataedit.cpp:154
#22 0x00007f838cf8a761 in QMetaObject::activate (sender=0x2a4a8b0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff51a52b10) at kernel/qobject.cpp:3547
#23 0x00007f838b78e072 in QAction::triggered (this=<optimized out>, _t1=false) at .moc/release-shared/moc_qaction.cpp:277
#24 0x00007f838b78e25f in QAction::activate (this=0x2a4a8b0, event=<optimized out>) at kernel/qaction.cpp:1257
#25 0x00007f838bbe05e9 in QMenuPrivate::activateCausedStack (this=0x2939930, causedStack=..., action=0x2a4a8b0, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:1028
#26 0x00007f838bbe6742 in QMenuPrivate::activateAction (this=0x2939930, action=0x2a4a8b0, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:1120
#27 0x00007f838c590560 in KMenu::mouseReleaseEvent (this=0x2991370, e=0x7fff51a536e0) at ../../kdeui/widgets/kmenu.cpp:464
#28 0x00007f838b7e4fb4 in QWidget::event (this=0x2991370, event=0x7fff51a536e0) at kernel/qwidget.cpp:8371
#29 0x00007f838bbe7cdb in QMenu::event (this=0x2991370, e=0x7fff51a536e0) at widgets/qmenu.cpp:2469
#30 0x00007f838b7947b4 in notify_helper (e=0x7fff51a536e0, receiver=0x2991370, this=0x1d69860) at kernel/qapplication.cpp:4556
#31 QApplicationPrivate::notify_helper (this=0x1d69860, receiver=0x2991370, e=0x7fff51a536e0) at kernel/qapplication.cpp:4528
#32 0x00007f838b799f2f in QApplication::notify (this=<optimized out>, receiver=0x2991370, e=0x7fff51a536e0) at kernel/qapplication.cpp:4099
#33 0x00007f838c4cf756 in KApplication::notify (this=0x7fff51a543f0, receiver=0x2991370, event=0x7fff51a536e0) at ../../kdeui/kernel/kapplication.cpp:311
#34 0x00007f838cf7630c in QCoreApplication::notifyInternal (this=0x7fff51a543f0, receiver=0x2991370, event=0x7fff51a536e0) at kernel/qcoreapplication.cpp:915
#35 0x00007f838b795782 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#36 QApplicationPrivate::sendMouseEvent (receiver=0x2991370, event=0x7fff51a536e0, alienWidget=0x0, nativeWidget=0x2991370, buttonDown=0x0, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3167
#37 0x00007f838b8151e1 in QETWidget::translateMouseEvent (this=0x2991370, event=<optimized out>) at kernel/qapplication_x11.cpp:4551
#38 0x00007f838b813ace in QApplication::x11ProcessEvent (this=0x7fff51a543f0, event=0x7fff51a53fb0) at kernel/qapplication_x11.cpp:3732
#39 0x00007f838b83d052 in x11EventSourceDispatch (s=0x1d68ab0, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#40 0x00007f83872c3d53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007f83872c40a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007f83872c4164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007f838cfa589f in QEventDispatcherGlib::processEvents (this=0x1d40770, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#44 0x00007f838b83ccde in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#45 0x00007f838cf74e42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#46 0x00007f838cf75097 in QEventLoop::exec (this=0x7fff51a54350, flags=...) at kernel/qeventloop.cpp:204
#47 0x00007f838cf7a3e7 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#48 0x0000000000427395 in ?? ()
#49 0x00007f838aa5476d in __libc_start_main (main=0x426e10, argc=6, ubp_av=0x7fff51a54718, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff51a54708) at libc-start.c:226
#50 0x0000000000427641 in _start ()

Possible duplicates by query: bug 232091.

Reported using DrKonqi