Bug 320632

Application: digikam (3.2.0)
KDE Platform Version: 4.10.3
Qt Version: 4.8.2
Operating System: Linux 3.2.0-45-generic-pae i686
Distribution: Ubuntu 12.04.2 LTS

-- Information about the crash:
- What I was doing when the application crashed:
digikam 3.2.0 open "about digikam" dialog. After installing digikam 3.20

The crash can be reproduced every time.

-- Backtrace:
Application: digiKam (digikam), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xae43d8c0 (LWP 19350))]

Thread 5 (Thread 0xabb7ab40 (LWP 19351)):
#0  0xb778c424 in __kernel_vsyscall ()
#1  0xb34fa96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb4adf6ec in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb4da4420 in wait (time=4294967295, this=0x9c5e798) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x9c5e70c, mutex=0x9c5e708, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0x08217e06 in Digikam::ScanController::run (this=0x9c655a0) at /build/buildd/digikam-3.2.0/core/digikam/database/scancontroller.cpp:713
#6  0xb4da3eb0 in QThreadPrivate::start (arg=0x9c655a0) at thread/qthread_unix.cpp:307
#7  0xb34f6d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0xb4ad1dde in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 4 (Thread 0xab1ffb40 (LWP 19352)):
#0  0xb34f8dc8 in pthread_mutex_lock () from /lib/i386-linux-gnu/libpthread.so.0
#1  0xb4adf904 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#2  0xb311d3d0 in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb30dd87c in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb30ddfaf in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb30de201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb4eebde7 in QEventDispatcherGlib::processEvents (this=0xaa800468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0xb4eb76ad in QEventLoop::processEvents (this=0xab1ff0c0, flags=...) at kernel/qeventloop.cpp:149
#8  0xb4eb7949 in QEventLoop::exec (this=0xab1ff0c0, flags=...) at kernel/qeventloop.cpp:204
#9  0xb4da0a1c in QThread::exec (this=0x9ccbd48) at thread/qthread.cpp:501
#10 0xb4e94cfd in QInotifyFileSystemWatcherEngine::run (this=0x9ccbd48) at io/qfilesystemwatcher_inotify.cpp:248
#11 0xb4da3eb0 in QThreadPrivate::start (arg=0x9ccbd48) at thread/qthread_unix.cpp:307
#12 0xb34f6d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#13 0xb4ad1dde in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 3 (Thread 0xaa7ffb40 (LWP 19354)):
#0  0xb778c424 in __kernel_vsyscall ()
#1  0xb34fa96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb4adf6ec in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb4da4420 in wait (time=4294967295, this=0x9e86a30) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x9e8d580, mutex=0x9e8d57c, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb6a72b6c in Digikam::ParkingThread::run (this=0x9e8d570) at /build/buildd/digikam-3.2.0/core/libs/threads/threadmanager.cpp:119
#6  0xb4da3eb0 in QThreadPrivate::start (arg=0x9e8d570) at thread/qthread_unix.cpp:307
#7  0xb34f6d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0xb4ad1dde in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xa9ba7b40 (LWP 19355)):
#0  0xb30aae70 in pthread_mutex_unlock@plt () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb311d410 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb30ddb76 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb30de042 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb30de201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb4eebde7 in QEventDispatcherGlib::processEvents (this=0x9f9b818, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb4eb76ad in QEventLoop::processEvents (this=0xa9ba70c0, flags=...) at kernel/qeventloop.cpp:149
#7  0xb4eb7949 in QEventLoop::exec (this=0xa9ba70c0, flags=...) at kernel/qeventloop.cpp:204
#8  0xb4da0a1c in QThread::exec (this=0x9f9b498) at thread/qthread.cpp:501
#9  0xb4e94cfd in QInotifyFileSystemWatcherEngine::run (this=0x9f9b498) at io/qfilesystemwatcher_inotify.cpp:248
#10 0xb4da3eb0 in QThreadPrivate::start (arg=0x9f9b498) at thread/qthread_unix.cpp:307
#11 0xb34f6d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb4ad1dde in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xae43d8c0 (LWP 19350)):
[KCrash Handler]
#7  0x085f0e00 in QObject::staticMetaObject ()
#8  0xb32c34e9 in Attica::ProviderManager::ProviderManager(QFlags<Attica::ProviderManager::ProviderFlag> const&) () from /usr/lib/libattica.so.0.4
#9  0xb5f0d4a2 in KDEPrivate::KAboutApplicationPersonModel::KAboutApplicationPersonModel (this=0x9e8f998, personList=..., providerUrl=..., parent=0xa736fe8) at ../../kdeui/dialogs/kaboutapplicationpersonmodel_p.cpp:39
#10 0xb5f0934a in KAboutApplicationDialog::Private::init (this=0xb841ee8, ad=<optimized out>, opt=...) at ../../kdeui/dialogs/kaboutapplicationdialog.cpp:209
#11 0xb5f09fef in KAboutApplicationDialog::KAboutApplicationDialog (this=0xb7cf0d0, aboutData=0x9c1f534, parent=0x9e5a388) at ../../kdeui/dialogs/kaboutapplicationdialog.cpp:66
#12 0xb6072d37 in KHelpMenu::aboutApplication (this=0xa567900) at ../../kdeui/widgets/khelpmenu.cpp:280
#13 0xb6072df5 in KHelpMenu::qt_static_metacall (_o=<optimized out>, _id=<optimized out>, _a=<optimized out>, _c=<optimized out>) at ./khelpmenu.moc:67
#14 0xb4ecfbb1 in QMetaObject::activate (sender=0xa85be50, m=0x85f12b8, local_signal_index=1, argv=0xbfdcf708) at kernel/qobject.cpp:3547
#15 0xb541f90d in QAction::triggered (this=0xa85be50, _t1=false) at .moc/release-shared/moc_qaction.cpp:277
#16 0xb541fbab in QAction::activate (this=0xa85be50, event=QAction::Trigger) at kernel/qaction.cpp:1257
#17 0xb58e19d3 in QMenuPrivate::activateCausedStack (this=0xb650df8, causedStack=..., action=0xa85be50, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:1028
#18 0xb58e88af in QMenuPrivate::activateAction (this=0xb650df8, action=0xa85be50, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:1120
#19 0xb58eb595 in QMenu::mouseReleaseEvent (this=0xb6afa80, e=0xbfdcff44) at widgets/qmenu.cpp:2360
#20 0xb608b4bc in KMenu::mouseReleaseEvent (this=0xb6afa80, e=0xbfdcff44) at ../../kdeui/widgets/kmenu.cpp:464
#21 0xb5480ffc in QWidget::event (this=0xb6afa80, event=0xbfdcff44) at kernel/qwidget.cpp:8371
#22 0xb58ea01c in QMenu::event (this=0xb6afa80, e=0xbfdcff44) at widgets/qmenu.cpp:2469
#23 0xb5426df4 in notify_helper (e=0xbfdcff44, receiver=0xb6afa80, this=0x9bd3488) at kernel/qapplication.cpp:4556
#24 QApplicationPrivate::notify_helper (this=0x9bd3488, receiver=0xb6afa80, e=0xbfdcff44) at kernel/qapplication.cpp:4528
#25 0xb542ce74 in QApplication::notify (this=0x9bd3488, receiver=0xb6afa80, e=0xbfdcff44) at kernel/qapplication.cpp:4099
#26 0xb5face61 in KApplication::notify (this=0xbfdd0818, receiver=0xb6afa80, event=0xbfdcff44) at ../../kdeui/kernel/kapplication.cpp:311
#27 0xb4eb8e0e in QCoreApplication::notifyInternal (this=0xbfdd0818, receiver=0xb6afa80, event=0xbfdcff44) at kernel/qcoreapplication.cpp:915
#28 0xb5427db5 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#29 QApplicationPrivate::sendMouseEvent (receiver=0xb6afa80, event=0xbfdcff44, alienWidget=0x0, nativeWidget=0xb6afa80, buttonDown=0xb5dbbcf4, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3167
#30 0xb54b46f2 in QETWidget::translateMouseEvent (this=0xb6afa80, event=0xbfdd03fc) at kernel/qapplication_x11.cpp:4551
#31 0xb54b2b2d in QApplication::x11ProcessEvent (this=0xbfdd0818, event=0xbfdd03fc) at kernel/qapplication_x11.cpp:3732
#32 0xb54dfe1c in x11EventSourceDispatch (s=0x9bd1e10, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#33 0xb30ddd86 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#34 0xb30de125 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#35 0xb30de201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#36 0xb4eebd87 in QEventDispatcherGlib::processEvents (this=0x9b86298, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#37 0xb54dfa1a in QGuiEventDispatcherGlib::processEvents (this=0x9b86298, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#38 0xb4eb76ad in QEventLoop::processEvents (this=0xbfdd06f4, flags=...) at kernel/qeventloop.cpp:149
#39 0xb4eb7949 in QEventLoop::exec (this=0xbfdd06f4, flags=...) at kernel/qeventloop.cpp:204
#40 0xb4ebd34a in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#41 0xb54249c4 in QApplication::exec () at kernel/qapplication.cpp:3817
#42 0x080bb2c1 in main (argc=<error reading variable: Cannot access memory at address 0x0>, argv=<error reading variable: Cannot access memory at address 0x4>) at /build/buildd/digikam-3.2.0/core/digikam/main/main.cpp:235

This bug may be a duplicate of or related to bug 301322.

Possible duplicates by query: bug 301418.

Reported using DrKonqi