Bug 298599

Summary: digikam crashed while scaning for faces in the background
Product: [Applications] digikam Reporter: Marc Schiffbauer <mschiff>
Component: Faces-EngineAssignee: Digikam Developers <digikam-bugs-null>
Status: RESOLVED FIXED    
Severity: crash    
Priority: NOR    
Version: 2.5.0   
Target Milestone: ---   
Platform: Compiled Sources   
OS: Linux   
Latest Commit: Version Fixed In: 7.0.0
Sentry Crash Report:

Description Marc Schiffbauer 2012-04-22 13:40:09 UTC 
Application: digikam (2.5.0)
KDE Platform Version: 4.8.2 (4.8.2) (Compiled from sources)
Qt Version: 4.8.1
Operating System: Linux 3.3.2-gentoo x86_64
Distribution: "NAME=Gentoo"

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

digikam was scanning for faces which I started manually for all my images. The crash happened while I was not doing anything on the computer...

I hope the BT might be useful.

-- Backtrace:
Application: digiKam (digikam), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f36c056c840 (LWP 21298))]

Thread 13 (Thread 0x7f369d048700 (LWP 21299)):
#0  0x00007f36b7965fdc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f36ba7b739b in wait (time=18446744073709551615, this=0x2557090) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2688838, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00000000005d16a0 in ?? ()
#4  0x00007f36ba7b6e9b in QThreadPrivate::start (arg=0x2684730) at thread/qthread_unix.cpp:298
#5  0x00007f36ad6b9b74 in ?? () from /usr/lib64/libGL.so.1
#6  0x00007f36b7961e1c in start_thread () from /lib64/libpthread.so.0
#7  0x00007f36b9a605ad in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7f369c847700 (LWP 21300)):
#0  0x00007f36b9a6e9cf in ?? () from /lib64/libc.so.6
#1  0x00007f36b9a56f28 in poll () from /lib64/libc.so.6
#2  0x00007f36b21053c6 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f36b21054f4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f36ba8e3b56 in QEventDispatcherGlib::processEvents (this=0x25552a0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f36ba8b3c32 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f36ba8b3e87 in QEventLoop::exec (this=0x7f369c846c50, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f36ba7b3e97 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#8  0x00007f36ba893bef in QInotifyFileSystemWatcherEngine::run (this=0x2666f00) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f36ba7b6e9b in QThreadPrivate::start (arg=0x2666f00) at thread/qthread_unix.cpp:298
#10 0x00007f36ad6b9b74 in ?? () from /usr/lib64/libGL.so.1
#11 0x00007f36b7961e1c in start_thread () from /lib64/libpthread.so.0
#12 0x00007f36b9a605ad in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7f3697fff700 (LWP 21314)):
#0  0x00007f36b7965fdc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f36ba7b739b in wait (time=18446744073709551615, this=0x59dc7a0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x59dc508, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f36bdcd7357 in ?? () from /usr/lib64/libdigikamcore.so.2
#4  0x00007f36ba7b6e9b in QThreadPrivate::start (arg=0x59dc4f0) at thread/qthread_unix.cpp:298
#5  0x00007f36ad6b9b74 in ?? () from /usr/lib64/libGL.so.1
#6  0x00007f36b7961e1c in start_thread () from /lib64/libpthread.so.0
#7  0x00007f36b9a605ad in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7f36811db700 (LWP 24493)):
#0  0x00007f36b796518d in pthread_mutex_unlock () from /lib64/libpthread.so.0
#1  0x00007f36b213f2b1 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f36b2104f29 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f36b2105430 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f36b21054f4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f36ba8e3b56 in QEventDispatcherGlib::processEvents (this=0x8fbc100, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f36ba8b3c32 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f36ba8b3e87 in QEventLoop::exec (this=0x7f36811dac50, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f36ba7b3e97 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007f36ba893bef in QInotifyFileSystemWatcherEngine::run (this=0x9750580) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f36ba7b6e9b in QThreadPrivate::start (arg=0x9750580) at thread/qthread_unix.cpp:298
#11 0x00007f36ad6b9b74 in ?? () from /usr/lib64/libGL.so.1
#12 0x00007f36b7961e1c in start_thread () from /lib64/libpthread.so.0
#13 0x00007f36b9a605ad in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7f367a2c3700 (LWP 24494)):
#0  0x00007f36b796518d in pthread_mutex_unlock () from /lib64/libpthread.so.0
#1  0x00007f36b213f2b1 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f36b21054fe in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f36ba8e3b56 in QEventDispatcherGlib::processEvents (this=0xcd379c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f36ba8b3c32 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f36ba8b3e87 in QEventLoop::exec (this=0x7f367a2c2c50, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f36ba7b3e97 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f36ba893bef in QInotifyFileSystemWatcherEngine::run (this=0x93e7130) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f36ba7b6e9b in QThreadPrivate::start (arg=0x93e7130) at thread/qthread_unix.cpp:298
#9  0x00007f36ad6b9b74 in ?? () from /usr/lib64/libGL.so.1
#10 0x00007f36b7961e1c in start_thread () from /lib64/libpthread.so.0
#11 0x00007f36b9a605ad in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7f366cb85700 (LWP 24548)):
#0  0x00007f36b7965fdc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f36ba7b739b in wait (time=18446744073709551615, this=0xc326260) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0xa663c08, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f368e412d44 in KIPIPlugins::LoadRawThumbThread::run() () from /usr/lib64/libkipiplugins.so.2
#4  0x00007f36ba7b6e9b in QThreadPrivate::start (arg=0x763c710) at thread/qthread_unix.cpp:298
#5  0x00007f36ad6b9b74 in ?? () from /usr/lib64/libGL.so.1
#6  0x00007f36b7961e1c in start_thread () from /lib64/libpthread.so.0
#7  0x00007f36b9a605ad in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f36819dc700 (LWP 24824)):
#0  0x00007f36b796518d in pthread_mutex_unlock () from /lib64/libpthread.so.0
#1  0x00007f36b213f2b1 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f36b2105379 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f36b21054f4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f36ba8e3b56 in QEventDispatcherGlib::processEvents (this=0x7394c60, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f36ba8b3c32 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f36ba8b3e87 in QEventLoop::exec (this=0x7f36819dbc20, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f36bdcd6a61 in ?? () from /usr/lib64/libdigikamcore.so.2
#8  0x00007f36ba7aa6da in QThreadPoolThread::run (this=0x7f367c056cb0) at concurrent/qthreadpool.cpp:107
#9  0x00007f36ba7b6e9b in QThreadPrivate::start (arg=0x7f367c056cb0) at thread/qthread_unix.cpp:298
#10 0x00007f36ad6b9b74 in ?? () from /usr/lib64/libGL.so.1
#11 0x00007f36b7961e1c in start_thread () from /lib64/libpthread.so.0
#12 0x00007f36b9a605ad in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f36821dd700 (LWP 24826)):
#0  0x00007f36b9a51fad in read () from /lib64/libc.so.6
#1  0x00007f36ad6b80bc in ?? () from /usr/lib64/libGL.so.1
#2  0x00007f36a7eebb27 in ?? () from /usr/lib64/opengl/nvidia/lib/libnvidia-tls.so.295.40
#3  0x00007f36b213e5ff in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f36b2104e8d in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f36b2105366 in ?? () from /usr/lib64/libglib-2.0.so.0
#6  0x00007f36b21054f4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#7  0x00007f36ba8e3b56 in QEventDispatcherGlib::processEvents (this=0x7f366ba61960, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#8  0x00007f36ba8b3c32 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#9  0x00007f36ba8b3e87 in QEventLoop::exec (this=0x7f36821dcc20, flags=...) at kernel/qeventloop.cpp:204
#10 0x00007f36bdcd6a61 in ?? () from /usr/lib64/libdigikamcore.so.2
#11 0x00007f36ba7aa6da in QThreadPoolThread::run (this=0x7f369806ea80) at concurrent/qthreadpool.cpp:107
#12 0x00007f36ba7b6e9b in QThreadPrivate::start (arg=0x7f369806ea80) at thread/qthread_unix.cpp:298
#13 0x00007f36ad6b9b74 in ?? () from /usr/lib64/libGL.so.1
#14 0x00007f36b7961e1c in start_thread () from /lib64/libpthread.so.0
#15 0x00007f36b9a605ad in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f368a05b700 (LWP 24827)):
#0  0x00007f36b796518d in pthread_mutex_unlock () from /lib64/libpthread.so.0
#1  0x00007f36b213f2b1 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f36b2104ae3 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f36b21052eb in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f36b21054f4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f36ba8e3b56 in QEventDispatcherGlib::processEvents (this=0xa2339a0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f36ba8b3c32 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f36ba8b3e87 in QEventLoop::exec (this=0x7f368a05ac20, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f36bdcd6a61 in ?? () from /usr/lib64/libdigikamcore.so.2
#9  0x00007f36ba7aa6da in QThreadPoolThread::run (this=0x8f6f590) at concurrent/qthreadpool.cpp:107
#10 0x00007f36ba7b6e9b in QThreadPrivate::start (arg=0x8f6f590) at thread/qthread_unix.cpp:298
#11 0x00007f36ad6b9b74 in ?? () from /usr/lib64/libGL.so.1
#12 0x00007f36b7961e1c in start_thread () from /lib64/libpthread.so.0
#13 0x00007f36b9a605ad in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f36829de700 (LWP 24828)):
#0  0x00007f36b9a51fad in read () from /lib64/libc.so.6
#1  0x00007f36ad6b80bc in ?? () from /usr/lib64/libGL.so.1
#2  0x00007f36a7eebb27 in ?? () from /usr/lib64/opengl/nvidia/lib/libnvidia-tls.so.295.40
#3  0x00007f3697275259 in vio_read_buff () from /usr/lib64/libmysqlclient_r.so.16
#4  0x00007f3697275fbf in ?? () from /usr/lib64/libmysqlclient_r.so.16
#5  0x00007f3697276b5a in my_net_read () from /usr/lib64/libmysqlclient_r.so.16
#6  0x00007f369726ffb5 in cli_safe_read () from /usr/lib64/libmysqlclient_r.so.16
#7  0x00007f3697270e09 in ?? () from /usr/lib64/libmysqlclient_r.so.16
#8  0x00007f36972467dc in ?? () from /usr/lib64/libmysqlclient_r.so.16
#9  0x00007f3697246fd7 in cli_stmt_execute () from /usr/lib64/libmysqlclient_r.so.16
#10 0x00007f369724807d in mysql_stmt_execute () from /usr/lib64/libmysqlclient_r.so.16
#11 0x00007f36975f973b in ?? () from /usr/lib64/qt4/plugins/sqldrivers/libqsqlmysql.so
#12 0x00007f36c01a9255 in QSqlQuery::exec() () from /usr/lib64/qt4/libQtSql.so.4
#13 0x00007f36bdc76651 in Digikam::DatabaseCoreBackend::exec(Digikam::SqlQuery&) () from /usr/lib64/libdigikamcore.so.2
#14 0x00007f36bdc76b34 in Digikam::DatabaseCoreBackend::execQuery(Digikam::SqlQuery&, QVariant const&) () from /usr/lib64/libdigikamcore.so.2
#15 0x00007f36bdc76b7f in Digikam::DatabaseCoreBackend::execQuery(QString const&, QVariant const&) () from /usr/lib64/libdigikamcore.so.2
#16 0x00007f36bdc788bd in Digikam::DatabaseCoreBackend::execSql(QString const&, QVariant const&, QList<QVariant>*, QVariant*) () from /usr/lib64/libdigikamcore.so.2
#17 0x00007f36bdc8416a in Digikam::ThumbnailDB::findByFilePath(QString const&) () from /usr/lib64/libdigikamcore.so.2
#18 0x00007f36bdc8584d in Digikam::ThumbnailDB::findByFilePath(QString const&, QString const&) () from /usr/lib64/libdigikamcore.so.2
#19 0x00007f36bdcbaf21 in Digikam::ThumbnailCreator::loadDatabaseThumbnailInfo(Digikam::ThumbnailInfo const&) const () from /usr/lib64/libdigikamcore.so.2
#20 0x00007f36bdcbb0f6 in Digikam::ThumbnailCreator::isInDatabase(Digikam::ThumbnailInfo const&) const () from /usr/lib64/libdigikamcore.so.2
#21 0x00007f36bdcbf8d4 in Digikam::ThumbnailCreator::load(QString const&, QRect const&, bool) const () from /usr/lib64/libdigikamcore.so.2
#22 0x00007f36bdcc0a8d in Digikam::ThumbnailCreator::pregenerate(QString const&) const () from /usr/lib64/libdigikamcore.so.2
#23 0x00007f36bdccfa20 in ?? () from /usr/lib64/libdigikamcore.so.2
#24 0x00007f36bdc9f726 in Digikam::LoadSaveThread::run() () from /usr/lib64/libdigikamcore.so.2
#25 0x00007f36bdcd8a1e in Digikam::DynamicThread::DynamicThreadPriv::run() () from /usr/lib64/libdigikamcore.so.2
#26 0x00007f36ba7aa6da in QThreadPoolThread::run (this=0x7f367c0377b0) at concurrent/qthreadpool.cpp:107
#27 0x00007f36ba7b6e9b in QThreadPrivate::start (arg=0x7f367c0377b0) at thread/qthread_unix.cpp:298
#28 0x00007f36ad6b9b74 in ?? () from /usr/lib64/libGL.so.1
#29 0x00007f36b7961e1c in start_thread () from /lib64/libpthread.so.0
#30 0x00007f36b9a605ad in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f36799c2700 (LWP 24834)):
#0  0x00007f36b9a56f43 in poll () from /lib64/libc.so.6
#1  0x00007f36b21053c6 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f36b21054f4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f36ba8e3b56 in QEventDispatcherGlib::processEvents (this=0xc6975b0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f36ba8b3c32 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f36ba8b3e87 in QEventLoop::exec (this=0x7f36799c1c20, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f36bdcd6a61 in ?? () from /usr/lib64/libdigikamcore.so.2
#7  0x00007f36ba7aa6da in QThreadPoolThread::run (this=0xa552860) at concurrent/qthreadpool.cpp:107
#8  0x00007f36ba7b6e9b in QThreadPrivate::start (arg=0xa552860) at thread/qthread_unix.cpp:298
#9  0x00007f36ad6b9b74 in ?? () from /usr/lib64/libGL.so.1
#10 0x00007f36b7961e1c in start_thread () from /lib64/libpthread.so.0
#11 0x00007f36b9a605ad in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f36789c0700 (LWP 24849)):
#0  0x00007f36b796518d in pthread_mutex_unlock () from /lib64/libpthread.so.0
#1  0x00007f36b213f2b1 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f36b21053ba in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f36b21054f4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f36ba8e3b56 in QEventDispatcherGlib::processEvents (this=0x9a762b0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f36ba8b3c32 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f36ba8b3e87 in QEventLoop::exec (this=0x7f36789bfc20, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f36bdcd6a61 in ?? () from /usr/lib64/libdigikamcore.so.2
#8  0x00007f36ba7aa6da in QThreadPoolThread::run (this=0xc635890) at concurrent/qthreadpool.cpp:107
#9  0x00007f36ba7b6e9b in QThreadPrivate::start (arg=0xc635890) at thread/qthread_unix.cpp:298
#10 0x00007f36ad6b9b74 in ?? () from /usr/lib64/libGL.so.1
#11 0x00007f36b7961e1c in start_thread () from /lib64/libpthread.so.0
#12 0x00007f36b9a605ad in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f36c056c840 (LWP 21298)):
[KCrash Handler]
#6  QVariant::~QVariant (this=0x32003700340022, __in_chrg=<optimized out>) at kernel/qvariant.cpp:1399
#7  0x00007f36bd6d0a68 in Digikam::ImageModel::removeRowPairs(QList<QPair<int, int> > const&) () from /usr/lib64/libdigikamdatabase.so.2
#8  0x00007f36bd6d259d in Digikam::ImageModel::finishIncrementalRefresh() () from /usr/lib64/libdigikamdatabase.so.2
#9  0x00000000005680e5 in ?? ()
#10 0x00000000005695fe in ?? ()
#11 0x00007f36ba8c8dd8 in QMetaObject::activate (sender=0x7f36609dd3b0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff16ff4490) at kernel/qobject.cpp:3566
#12 0x00007f36bad4a802 in KJob::result (this=<optimized out>, _t1=0x7f36609dd3b0) at /var/tmp/portage/kde-base/kdelibs-4.8.49.9999/work/kdelibs-4.8.49.9999_build/kdecore/kjob.moc:208
#13 0x00007f36bad4a845 in KJob::emitResult (this=0x7f36609dd3b0) at /var/tmp/portage/kde-base/kdelibs-4.8.49.9999/work/kdelibs-4.8.49.9999/kdecore/jobs/kjob.cpp:318
#14 0x00007f36bc811e42 in KIO::SimpleJob::slotFinished (this=0x7f36609dd3b0) at /var/tmp/portage/kde-base/kdelibs-4.8.49.9999/work/kdelibs-4.8.49.9999/kio/kio/job.cpp:494
#15 0x00007f36bc8178bc in KIO::TransferJob::slotFinished (this=0x7f36609dd3b0) at /var/tmp/portage/kde-base/kdelibs-4.8.49.9999/work/kdelibs-4.8.49.9999/kio/kio/job.cpp:1081
#16 0x00007f36ba8c8a79 in QMetaObject::activate (sender=0x9c6e3e0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#17 0x00007f36bc8ac52e in KIO::SlaveInterface::dispatch (this=0x9c6e3e0, _cmd=104, rawdata=...) at /var/tmp/portage/kde-base/kdelibs-4.8.49.9999/work/kdelibs-4.8.49.9999/kio/kio/slaveinterface.cpp:172
#18 0x00007f36bc8a9f0b in KIO::SlaveInterface::dispatch (this=0x9c6e3e0) at /var/tmp/portage/kde-base/kdelibs-4.8.49.9999/work/kdelibs-4.8.49.9999/kio/kio/slaveinterface.cpp:88
#19 0x00007f36bc8a1879 in KIO::Slave::gotInput (this=0x9c6e3e0) at /var/tmp/portage/kde-base/kdelibs-4.8.49.9999/work/kdelibs-4.8.49.9999/kio/kio/slave.cpp:344
#20 0x00007f36ba8c8a79 in QMetaObject::activate (sender=0x96f91a0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#21 0x00007f36bc7e71c1 in KIO::ConnectionPrivate::dequeue (this=0xad60810) at /var/tmp/portage/kde-base/kdelibs-4.8.49.9999/work/kdelibs-4.8.49.9999/kio/kio/connection.cpp:82
#22 0x00007f36ba8cdc46 in QObject::event (this=0x96f91a0, e=<optimized out>) at kernel/qobject.cpp:1195
#23 0x00007f36bb2e37c4 in notify_helper (e=0x7f36609ea170, receiver=0x96f91a0, this=0x2467e60) at kernel/qapplication.cpp:4554
#24 QApplicationPrivate::notify_helper (this=0x2467e60, receiver=0x96f91a0, e=0x7f36609ea170) at kernel/qapplication.cpp:4526
#25 0x00007f36bb2e8591 in QApplication::notify (this=0x7fff16ff5880, receiver=0x96f91a0, e=0x7f36609ea170) at kernel/qapplication.cpp:3936
#26 0x00007f36bc0120ad in KApplication::notify (this=0x7fff16ff5880, receiver=0x96f91a0, event=0x7f36609ea170) at /var/tmp/portage/kde-base/kdelibs-4.8.49.9999/work/kdelibs-4.8.49.9999/kdeui/kernel/kapplication.cpp:311
#27 0x00007f36ba8b4e2c in QCoreApplication::notifyInternal (this=0x7fff16ff5880, receiver=0x96f91a0, event=0x7f36609ea170) at kernel/qcoreapplication.cpp:876
#28 0x00007f36ba8b867a in sendEvent (event=0x7f36609ea170, receiver=0x96f91a0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#29 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<optimized out>, data=0x240c850) at kernel/qcoreapplication.cpp:1500
#30 0x00007f36ba8e36d3 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#31 postEventSourceDispatch (s=0x2465480) at kernel/qeventdispatcher_glib.cpp:279
#32 0x00007f36b210506a in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#33 0x00007f36b2105430 in ?? () from /usr/lib64/libglib-2.0.so.0
#34 0x00007f36b21054f4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#35 0x00007f36ba8e3aef in QEventDispatcherGlib::processEvents (this=0x240dd40, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#36 0x00007f36bb3868ce in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#37 0x00007f36ba8b3c32 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#38 0x00007f36ba8b3e87 in QEventLoop::exec (this=0x7fff16ff5700, flags=...) at kernel/qeventloop.cpp:204
#39 0x00007f36ba8b8995 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#40 0x00000000004929bd in ?? ()
#41 0x00007f36b999c6dd in __libc_start_main () from /lib64/libc.so.6
#42 0x0000000000494195 in _start ()

This bug may be a duplicate of or related to bug 278049.

Possible duplicates by query: bug 292634, bug 290826, bug 285444, bug 284398, bug 284137.

Reported using DrKonqi
Comment 1 Marcel Wiesweg 2012-04-22 15:51:20 UTC 

*** This bug has been marked as a duplicate of bug 278049 ***
Comment 2 caulier.gilles 2019-12-23 06:22:03 UTC 
Problem is fixed with new 7.0.0-beta1 through this long story from this bug

https://bugs.kde.org/show_bug.cgi?id=399923

You can test digiKam 7.0.0-beta1 with bundle available here:

https://download.kde.org/unstable/digikam/

Don't hesitate to give us a fresh feedback about his entry.

Thanks in advance

Gilles Caulier