Application: digikam (2.8.0)
KDE Platform Version: 4.8.5 (4.8.5)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-31-generic i686
Distribution: Ubuntu 12.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed: 
scanning collection for faces, no other action
- database : mysql
- digikam 2.8.0 from ubuntu

-- 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 0xb5d7a780 (LWP 9413))]

Thread 10 (Thread 0xb38f2b40 (LWP 9418)):
#0  0x0094d416 in __kernel_vsyscall ()
#1  0x005a996b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0x05c9664c in __pthread_cond_wait (cond=0x894c870, mutex=0x894c858) at forward.c:139
#3  0x04e69350 in wait (time=4294967295, this=0x894c858) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x894c7c4, mutex=0x894c7c0, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0x0820fe3e in Digikam::ScanController::run (this=0x88bc140) at /build/buildd/digikam-2.8.0/core/digikam/database/scancontroller.cpp:698
#6  0x04e68de0 in QThreadPrivate::start (arg=0x88bc140) at thread/qthread_unix.cpp:298
#7  0x005a5d4c in start_thread (arg=0xb38f2b40) at pthread_create.c:308
#8  0x05c88d3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 9 (Thread 0xb2effb40 (LWP 9420)):
#0  0x00873dcd in __GI_clock_gettime (clock_id=1, tp=0xb2efef78) at ../sysdeps/unix/clock_gettime.c:116
#1  0x04ec7315 in do_gettime (frac=0xb2efef70, sec=0xb2efef68) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x04fb1226 in QTimerInfoList::updateCurrentTime (this=0xb2501974) at kernel/qeventdispatcher_unix.cpp:343
#4  0x04fb157a in QTimerInfoList::timerWait (this=0xb2501974, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#5  0x04fafe23 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xb2eff07c) at kernel/qeventdispatcher_glib.cpp:136
#6  0x04fafebd in timerSourcePrepare (source=0xb2501940, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x03357872 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x03357faf in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x03358201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x04fb08e7 in QEventDispatcherGlib::processEvents (this=0xb2500468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#11 0x04f7c50d in QEventLoop::processEvents (this=0xb2eff200, flags=...) at kernel/qeventloop.cpp:149
#12 0x04f7c7a9 in QEventLoop::exec (this=0xb2eff200, flags=...) at kernel/qeventloop.cpp:204
#13 0x04e6594c in QThread::exec (this=0x894d560) at thread/qthread.cpp:501
#14 0x04f59b5d in QInotifyFileSystemWatcherEngine::run (this=0x894d560) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x04e68de0 in QThreadPrivate::start (arg=0x894d560) at thread/qthread_unix.cpp:298
#16 0x005a5d4c in start_thread (arg=0xb2effb40) at pthread_create.c:308
#17 0x05c88d3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 8 (Thread 0xb24ffb40 (LWP 9428)):
#0  0x0094d416 in __kernel_vsyscall ()
#1  0x005a996b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0x05c9664c in __pthread_cond_wait (cond=0x8a3ee48, mutex=0x8a3ee30) at forward.c:139
#3  0x04e69350 in wait (time=4294967295, this=0x8a3ee30) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x8a68480, mutex=0x8a6847c, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0x0745c0cc in Digikam::ParkingThread::run (this=0x8a68470) at /build/buildd/digikam-2.8.0/core/libs/threads/threadmanager.cpp:119
#6  0x04e68de0 in QThreadPrivate::start (arg=0x8a68470) at thread/qthread_unix.cpp:298
#7  0x005a5d4c in start_thread (arg=0xb24ffb40) at pthread_create.c:308
#8  0x05c88d3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 7 (Thread 0xb19e4b40 (LWP 9534)):
#0  0x0094d416 in __kernel_vsyscall ()
#1  0x05c7a5f0 in __GI___poll (fds=0xa932e110, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0x03365a7b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x033580ae in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x03358201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x04fb08e7 in QEventDispatcherGlib::processEvents (this=0xb251b930, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x04f7c50d in QEventLoop::processEvents (this=0xb19e41f8, flags=...) at kernel/qeventloop.cpp:149
#7  0x04f7c7a9 in QEventLoop::exec (this=0xb19e41f8, flags=...) at kernel/qeventloop.cpp:204
#8  0x0745b66e in Digikam::WorkerObjectRunnable::run (this=0xa932ac68) at /build/buildd/digikam-2.8.0/core/libs/threads/threadmanager.cpp:196
#9  0x04e5b39b in QThreadPoolThread::run (this=0xa03cfc0) at concurrent/qthreadpool.cpp:107
#10 0x04e68de0 in QThreadPrivate::start (arg=0xa03cfc0) at thread/qthread_unix.cpp:298
#11 0x005a5d4c in start_thread (arg=0xb19e4b40) at pthread_create.c:308
#12 0x05c88d3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 6 (Thread 0x98665b40 (LWP 9878)):
#0  __pthread_mutex_unlock_usercnt (mutex=0xb2f56da0, decr=1) at pthread_mutex_unlock.c:52
#1  0x05c968a4 in pthread_mutex_unlock (mutex=0xb2f56da0) at forward.c:184
#2  0x03397410 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x03357b76 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x03358042 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x03358201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0x04fb08e7 in QEventDispatcherGlib::processEvents (this=0xb2f3b400, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x04f7c50d in QEventLoop::processEvents (this=0x986651f8, flags=...) at kernel/qeventloop.cpp:149
#8  0x04f7c7a9 in QEventLoop::exec (this=0x986651f8, flags=...) at kernel/qeventloop.cpp:204
#9  0x0745b66e in Digikam::WorkerObjectRunnable::run (this=0x973a960) at /build/buildd/digikam-2.8.0/core/libs/threads/threadmanager.cpp:196
#10 0x04e5b39b in QThreadPoolThread::run (this=0xa2b9378) at concurrent/qthreadpool.cpp:107
#11 0x04e68de0 in QThreadPrivate::start (arg=0xa2b9378) at thread/qthread_unix.cpp:298
#12 0x005a5d4c in start_thread (arg=0x98665b40) at pthread_create.c:308
#13 0x05c88d3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 5 (Thread 0x97e64b40 (LWP 9970)):
#0  0x05c9689f in pthread_mutex_unlock (mutex=0xb2f30b08) at forward.c:184
#1  0x03397410 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x03357b76 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x03358042 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x03358201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x04fb08e7 in QEventDispatcherGlib::processEvents (this=0xb2f59d50, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x04f7c50d in QEventLoop::processEvents (this=0x97e641f8, flags=...) at kernel/qeventloop.cpp:149
#7  0x04f7c7a9 in QEventLoop::exec (this=0x97e641f8, flags=...) at kernel/qeventloop.cpp:204
#8  0x0745b66e in Digikam::WorkerObjectRunnable::run (this=0x897c288) at /build/buildd/digikam-2.8.0/core/libs/threads/threadmanager.cpp:196
#9  0x04e5b39b in QThreadPoolThread::run (this=0xa2b7d70) at concurrent/qthreadpool.cpp:107
#10 0x04e68de0 in QThreadPrivate::start (arg=0xa2b7d70) at thread/qthread_unix.cpp:298
#11 0x005a5d4c in start_thread (arg=0x97e64b40) at pthread_create.c:308
#12 0x05c88d3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 4 (Thread 0x95e6fb40 (LWP 10445)):
#0  0x05c96898 in pthread_mutex_unlock (mutex=0xa9bd8f88) at forward.c:184
#1  0x03397410 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x03357b76 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x03358042 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x03358201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x04fb08e7 in QEventDispatcherGlib::processEvents (this=0xa9b09050, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x04f7c50d in QEventLoop::processEvents (this=0x95e6f1f8, flags=...) at kernel/qeventloop.cpp:149
#7  0x04f7c7a9 in QEventLoop::exec (this=0x95e6f1f8, flags=...) at kernel/qeventloop.cpp:204
#8  0x0745b66e in Digikam::WorkerObjectRunnable::run (this=0xbb2a8e8) at /build/buildd/digikam-2.8.0/core/libs/threads/threadmanager.cpp:196
#9  0x04e5b39b in QThreadPoolThread::run (this=0xa154780) at concurrent/qthreadpool.cpp:107
#10 0x04e68de0 in QThreadPrivate::start (arg=0xa154780) at thread/qthread_unix.cpp:298
#11 0x005a5d4c in start_thread (arg=0x95e6fb40) at pthread_create.c:308
#12 0x05c88d3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 3 (Thread 0xa83fcb40 (LWP 10497)):
#0  0x005a7dc8 in __pthread_mutex_lock (mutex=0x9e311098) at pthread_mutex_lock.c:92
#1  0x05c96864 in pthread_mutex_lock (mutex=0x9e311098) at forward.c:182
#2  0x033973d0 in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x0335787c in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x03357faf in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x03358201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0x04fb08e7 in QEventDispatcherGlib::processEvents (this=0xabcbf6f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x04f7c50d in QEventLoop::processEvents (this=0xa83fc1f8, flags=...) at kernel/qeventloop.cpp:149
#8  0x04f7c7a9 in QEventLoop::exec (this=0xa83fc1f8, flags=...) at kernel/qeventloop.cpp:204
#9  0x0745b66e in Digikam::WorkerObjectRunnable::run (this=0xb0ab850) at /build/buildd/digikam-2.8.0/core/libs/threads/threadmanager.cpp:196
#10 0x04e5b39b in QThreadPoolThread::run (this=0x88db4d8) at concurrent/qthreadpool.cpp:107
#11 0x04e68de0 in QThreadPrivate::start (arg=0x88db4d8) at thread/qthread_unix.cpp:298
#12 0x005a5d4c in start_thread (arg=0xa83fcb40) at pthread_create.c:308
#13 0x05c88d3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xa7bfbb40 (LWP 10502)):
#0  0x00873dcd in __GI_clock_gettime (clock_id=1, tp=0xa7bfaf68) at ../sysdeps/unix/clock_gettime.c:116
#1  0x04ec7315 in do_gettime (frac=0xa7bfaf60, sec=0xa7bfaf58) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x04fb1226 in QTimerInfoList::updateCurrentTime (this=0xa9dbd98c) at kernel/qeventdispatcher_unix.cpp:343
#4  0x04fb157a in QTimerInfoList::timerWait (this=0xa9dbd98c, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#5  0x04fafe23 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xa7bfb06c) at kernel/qeventdispatcher_glib.cpp:136
#6  0x04fafebd in timerSourcePrepare (source=0xa9dbd958, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x03357872 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x03357faf in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x03358201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x04fb08e7 in QEventDispatcherGlib::processEvents (this=0xb2f3ae08, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#11 0x04f7c50d in QEventLoop::processEvents (this=0xa7bfb1f8, flags=...) at kernel/qeventloop.cpp:149
#12 0x04f7c7a9 in QEventLoop::exec (this=0xa7bfb1f8, flags=...) at kernel/qeventloop.cpp:204
#13 0x0745b66e in Digikam::WorkerObjectRunnable::run (this=0x8caff70) at /build/buildd/digikam-2.8.0/core/libs/threads/threadmanager.cpp:196
#14 0x04e5b39b in QThreadPoolThread::run (this=0xac97a10) at concurrent/qthreadpool.cpp:107
#15 0x04e68de0 in QThreadPrivate::start (arg=0xac97a10) at thread/qthread_unix.cpp:298
#16 0x005a5d4c in start_thread (arg=0xa7bfbb40) at pthread_create.c:308
#17 0x05c88d3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb5d7a780 (LWP 9413)):
[KCrash Handler]
#7  QVariant::~QVariant (this=0x64006f00, __in_chrg=<optimized out>) at kernel/qvariant.cpp:1399
#8  0x06730cd6 in node_destruct (n=<optimized out>, this=<optimized out>) at /usr/include/qt4/QtCore/qlist.h:388
#9  erase (alast=..., afirst=..., this=<optimized out>) at /usr/include/qt4/QtCore/qlist.h:811
#10 Digikam::ImageModel::removeRowPairs (this=0x8a81bd0, toRemove=...) at /build/buildd/digikam-2.8.0/core/libs/models/imagemodel.cpp:1025
#11 0x0673319f in Digikam::ImageModel::finishIncrementalRefresh (this=0x8a81bd0) at /build/buildd/digikam-2.8.0/core/libs/models/imagemodel.cpp:844
#12 0x081a68b7 in Digikam::ImageAlbumModel::slotResult (this=0x8a81bd0, job=0x8b62838) at /build/buildd/digikam-2.8.0/core/libs/models/imagealbummodel.cpp:307
#13 0x04f946b1 in QMetaObject::activate (sender=0x8b62838, m=0x17154ac, local_signal_index=3, argv=0xbfbb8c28) at kernel/qobject.cpp:3547
#14 0x01561795 in KJob::result (this=0x8b62838, _t1=0x8b62838) at ./kjob.moc:208
#15 0x015617e8 in KJob::emitResult (this=0x8b62838) at ../../kdecore/jobs/kjob.cpp:318
#16 0x05658348 in KIO::SimpleJob::slotFinished (this=0x8b62838) at ../../kio/kio/job.cpp:494
#17 0x0566139d in KIO::TransferJob::slotFinished (this=0x8b62838) at ../../kio/kio/job.cpp:1081
#18 0x0565f958 in qt_static_metacall (_a=0xbfbb8ea0, _id=7, _o=0x8b62838, _c=<optimized out>) at ./jobclasses.moc:388
#19 KIO::TransferJob::qt_static_metacall (_o=0x8b62838, _c=QMetaObject::InvokeMetaMethod, _id=7, _a=0xbfbb8ea0) at ./jobclasses.moc:375
#20 0x04f946b1 in QMetaObject::activate (sender=0xacffab8, m=0x583b480, local_signal_index=4, argv=0x0) at kernel/qobject.cpp:3547
#21 0x05716f45 in KIO::SlaveInterface::finished (this=0xacffab8) at ./slaveinterface.moc:185
#22 0x0571a0d1 in KIO::SlaveInterface::dispatch (this=0xacffab8, _cmd=104, rawdata=...) at ../../kio/kio/slaveinterface.cpp:172
#23 0x0571658a in KIO::SlaveInterface::dispatch (this=0xacffab8) at ../../kio/kio/slaveinterface.cpp:88
#24 0x05707c28 in KIO::Slave::gotInput (this=0xacffab8) at ../../kio/kio/slave.cpp:344
#25 0x05708290 in KIO::Slave::qt_static_metacall (_o=0xacffab8, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xbfbb9160) at ./slave.moc:57
#26 0x04f946b1 in QMetaObject::activate (sender=0xb71a0f0, m=0x5838110, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3547
#27 0x05622b35 in KIO::Connection::readyRead (this=0xb71a0f0) at ./connection.moc:106
#28 0x056233aa in dequeue (this=<optimized out>) at ../../kio/kio/connection.cpp:82
#29 KIO::ConnectionPrivate::dequeue (this=0xa1faa20) at ../../kio/kio/connection.cpp:71
#30 0x04f8fc01 in QMetaCallEvent::placeMetaCall (this=0xc163b10, object=0xb71a0f0) at kernel/qobject.cpp:525
#31 0x04f98c7b in QObject::event (this=0xb71a0f0, e=0xc163b10) at kernel/qobject.cpp:1195
#32 0x02035ed4 in notify_helper (e=0xc163b10, receiver=0xb71a0f0, this=0x8731460) at kernel/qapplication.cpp:4559
#33 QApplicationPrivate::notify_helper (this=0x8731460, receiver=0xb71a0f0, e=0xc163b10) at kernel/qapplication.cpp:4531
#34 0x0203b30d in QApplication::notify (this=0xc163b10, receiver=0xb71a0f0, e=0xc163b10) at kernel/qapplication.cpp:4288
#35 0x01ca4e01 in KApplication::notify (this=0xbfbb9a60, receiver=0xb71a0f0, event=0xc163b10) at ../../kdeui/kernel/kapplication.cpp:311
#36 0x04f7d97e in QCoreApplication::notifyInternal (this=0xbfbb9a60, receiver=0xb71a0f0, event=0xc163b10) at kernel/qcoreapplication.cpp:876
#37 0x04f81ad8 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#38 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x86e7520) at kernel/qcoreapplication.cpp:1500
#39 0x04f81e0c in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1393
#40 0x04fb0494 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#41 postEventSourceDispatch (s=0x8732518) at kernel/qeventdispatcher_glib.cpp:279
#42 0x03357d86 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#43 0x03358125 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#44 0x03358201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#45 0x04fb0887 in QEventDispatcherGlib::processEvents (this=0x86e80a8, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#46 0x020eeaaa in QGuiEventDispatcherGlib::processEvents (this=0x86e80a8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#47 0x04f7c50d in QEventLoop::processEvents (this=0xbfbb9944, flags=...) at kernel/qeventloop.cpp:149
#48 0x04f7c7a9 in QEventLoop::exec (this=0xbfbb9944, flags=...) at kernel/qeventloop.cpp:204
#49 0x04f81eba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#50 0x02033a74 in QApplication::exec () at kernel/qapplication.cpp:3820
#51 0x080b9980 in main (argc=<error reading variable: Cannot access memory at address 0x35>, argv=<error reading variable: Cannot access memory at address 0x39>) at /build/buildd/digikam-2.8.0/core/digikam/main/main.cpp:232

Possible duplicates by query: bug 312289, bug 308375, bug 307554, bug 303304, bug 301856.

Reported using DrKonqi