Bug 309306

Summary: Crash during face-recognition
Product: [Applications] digikam Reporter: loblollyboy
Component: Faces-RecognitionAssignee: Digikam Developers <digikam-bugs-null>
Status: RESOLVED FIXED    
Severity: crash CC: caulier.gilles
Priority: NOR    
Version: 2.5.0   
Target Milestone: ---   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed In: 7.0.0

Description loblollyboy 2012-10-31 11:01:58 UTC 
Application: digikam (2.5.0)
KDE Platform Version: 4.8.5 (4.8.5)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-32-generic i686
Distribution: Ubuntu 12.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Crash happened towards or at end of Face recognition
no additional  activities

-- Backtrace:
Application: digiKam (digikam), signal: Aborted
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb52058c0 (LWP 2265))]

Thread 18 (Thread 0xb3c5db40 (LWP 2339)):
#0  0x001a6416 in __kernel_vsyscall ()
#1  0x03a9a3eb in read () from /lib/i386-linux-gnu/libc.so.6
#2  0x041e46ae in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x041a5bd2 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x041a6042 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x041a656b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0x04db0134 in ?? () from /usr/lib/i386-linux-gnu/gio/modules/libdconfsettings.so
#7  0x041c96b3 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x00573d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#9  0x03aaad3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 17 (Thread 0xb32ffb40 (LWP 2340)):
#0  0x03ab8830 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#1  0x041e53d0 in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x041a587c in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x041a5faf in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x041a656b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x03fca1ba in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#6  0x041c96b3 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0x00573d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0x03aaad3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 16 (Thread 0xb1489b40 (LWP 2360)):
#0  0x001a6416 in __kernel_vsyscall ()
#1  0x0057796b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x03ab864c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x0153b350 in wait (time=4294967295, this=0x8fdcd98) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x8fdcd04, mutex=0x8fdcd00, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0x0820346e in Digikam::ScanController::run (this=0x8fb69b8) at /build/buildd/digikam-2.5.0/core/digikam/database/scancontroller.cpp:647
#6  0x0153ade0 in QThreadPrivate::start (arg=0x8fb69b8) at thread/qthread_unix.cpp:298
#7  0x00573d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0x03aaad3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 15 (Thread 0xb0c88b40 (LWP 2361)):
#0  0x00576c64 in __pthread_mutex_unlock_usercnt () from /lib/i386-linux-gnu/libpthread.so.0
#1  0x03ab88a4 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libc.so.6
#2  0x041e5410 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x041a53a7 in g_main_context_release () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x041a6058 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x041a6201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0x016828e7 in QEventDispatcherGlib::processEvents (this=0xb1f00cb8, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x0164e50d in QEventLoop::processEvents (this=0xb0c880c0, flags=...) at kernel/qeventloop.cpp:149
#8  0x0164e7a9 in QEventLoop::exec (this=0xb0c880c0, flags=...) at kernel/qeventloop.cpp:204
#9  0x0153794c in QThread::exec (this=0x8fdf168) at thread/qthread.cpp:501
#10 0x0162bb5d in QInotifyFileSystemWatcherEngine::run (this=0x8fdf168) at io/qfilesystemwatcher_inotify.cpp:248
#11 0x0153ade0 in QThreadPrivate::start (arg=0x8fdf168) at thread/qthread_unix.cpp:298
#12 0x00573d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#13 0x03aaad3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 14 (Thread 0xb0487b40 (LWP 2372)):
#0  0x001a6416 in __kernel_vsyscall ()
#1  0x0057796b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x03ab864c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x0153b350 in wait (time=4294967295, this=0x924f780) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x924f5c0, mutex=0x924f5bc, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0x03314b2c in Digikam::ParkingThread::run (this=0x924f5b0) at /build/buildd/digikam-2.5.0/core/libs/threads/threadmanager.cpp:119
#6  0x0153ade0 in QThreadPrivate::start (arg=0x924f5b0) at thread/qthread_unix.cpp:298
#7  0x00573d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0x03aaad3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 13 (Thread 0x9e5ffb40 (LWP 4879)):
#0  0x001a6416 in __kernel_vsyscall ()
#1  0x03aa6e77 in syscall () from /lib/i386-linux-gnu/libc.so.6
#2  0x01539638 in _q_futex (val2=0, addr2=0x0, timeout=0x0, val=2, op=0, addr=0x9025958) at thread/qmutex_unix.cpp:99
#3  QMutexPrivate::wait (this=0x9025958, timeout=-1) at thread/qmutex_unix.cpp:113
#4  0x01534cec in QMutex::lockInternal (this=0x905a02c) at thread/qmutex.cpp:450
#5  0x01534fe0 in QMutex::lock (this=0x905a02c) at thread/qmutex.cpp:177
#6  0x032d86e7 in Digikam::LoadingCache::CacheLock::CacheLock (this=0x9e5fde0c, cache=0x916df90) at /build/buildd/digikam-2.5.0/core/libs/threadimageio/loadingcache.cpp:499
#7  0x032df95d in Digikam::SharedLoadingTask::progressInfo (this=0xc590198, progress=0.392436981) at /build/buildd/digikam-2.5.0/core/libs/threadimageio/loadsavetask.cpp:345
#8  0x03115fa7 in Digikam::JPEGLoader::load (this=0x9e5fe618, filePath=..., observer=0xc5901a0) at /build/buildd/digikam-2.5.0/core/libs/dimg/loaders/jpegloader.cpp:419
#9  0x030ef757 in Digikam::DImg::load (this=0xc590314, filePath=..., loadFlagsInt=63, observer=0xc5901a0, rawDecodingSettings=...) at /build/buildd/digikam-2.5.0/core/libs/dimg/dimg.cpp:427
#10 0x030f0bae in Digikam::DImg::load (this=0xc590314, filePath=..., observer=0xc5901a0, rawDecodingSettings=...) at /build/buildd/digikam-2.5.0/core/libs/dimg/dimg.cpp:373
#11 0x032e6169 in Digikam::PreviewLoadingTask::execute (this=0xc590198) at /build/buildd/digikam-2.5.0/core/libs/threadimageio/previewtask.cpp:294
#12 0x032cc938 in Digikam::LoadSaveThread::run (this=0x14e56fa8) at /build/buildd/digikam-2.5.0/core/libs/threadimageio/loadsavethread.cpp:118
#13 0x03316d7e in Digikam::DynamicThread::DynamicThreadPriv::run (this=0x1cb7b518) at /build/buildd/digikam-2.5.0/core/libs/threads/dynamicthread.cpp:328
#14 0x0152d39b in QThreadPoolThread::run (this=0xc990e70) at concurrent/qthreadpool.cpp:107
#15 0x0153ade0 in QThreadPrivate::start (arg=0xc990e70) at thread/qthread_unix.cpp:298
#16 0x00573d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#17 0x03aaad3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 12 (Thread 0x9bbb2b40 (LWP 4913)):
#0  0x003feba5 in ?? () from /usr/lib/i386-linux-gnu/libgomp.so.1
#1  0x003fec3e in ?? () from /usr/lib/i386-linux-gnu/libgomp.so.1
#2  0x003fd4d8 in ?? () from /usr/lib/i386-linux-gnu/libgomp.so.1
#3  0x00573d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#4  0x03aaad3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 11 (Thread 0xa64fab40 (LWP 5735)):
#0  0x001a6416 in __kernel_vsyscall ()
#1  0x03a9c5f0 in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0x041b3a7b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x041a60ae in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x041a6201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x016828e7 in QEventDispatcherGlib::processEvents (this=0xa254f410, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x0164e50d in QEventLoop::processEvents (this=0xa64fa0b8, flags=...) at kernel/qeventloop.cpp:149
#7  0x0164e7a9 in QEventLoop::exec (this=0xa64fa0b8, flags=...) at kernel/qeventloop.cpp:204
#8  0x033140ce in Digikam::WorkerObjectRunnable::run (this=0xcc87488) at /build/buildd/digikam-2.5.0/core/libs/threads/threadmanager.cpp:196
#9  0x0152d39b in QThreadPoolThread::run (this=0xc30e2d0) at concurrent/qthreadpool.cpp:107
#10 0x0153ade0 in QThreadPrivate::start (arg=0xc30e2d0) at thread/qthread_unix.cpp:298
#11 0x00573d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0x03aaad3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 10 (Thread 0x986fcb40 (LWP 5741)):
#0  0x0070edcd in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0x01599315 in do_gettime (frac=0x986fbe20, sec=0x986fbe18) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x01683226 in QTimerInfoList::updateCurrentTime (this=0xc815da4) at kernel/qeventdispatcher_unix.cpp:343
#4  0x0168357a in QTimerInfoList::timerWait (this=0xc815da4, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#5  0x01681e23 in timerSourcePrepareHelper (src=<optimized out>, timeout=0x986fbf2c) at kernel/qeventdispatcher_glib.cpp:136
#6  0x01681ebd in timerSourcePrepare (source=0xc815d70, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x041a5872 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x041a5faf in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x041a6201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x016828e7 in QEventDispatcherGlib::processEvents (this=0xd0cc9e0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#11 0x0164e50d in QEventLoop::processEvents (this=0x986fc0b8, flags=...) at kernel/qeventloop.cpp:149
#12 0x0164e7a9 in QEventLoop::exec (this=0x986fc0b8, flags=...) at kernel/qeventloop.cpp:204
#13 0x033140ce in Digikam::WorkerObjectRunnable::run (this=0xc8162b8) at /build/buildd/digikam-2.5.0/core/libs/threads/threadmanager.cpp:196
#14 0x0152d39b in QThreadPoolThread::run (this=0xbd5e8d8) at concurrent/qthreadpool.cpp:107
#15 0x0153ade0 in QThreadPrivate::start (arg=0xbd5e8d8) at thread/qthread_unix.cpp:298
#16 0x00573d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#17 0x03aaad3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 9 (Thread 0x99c93b40 (LWP 5744)):
#0  0x003feba5 in ?? () from /usr/lib/i386-linux-gnu/libgomp.so.1
#1  0x003fec3e in ?? () from /usr/lib/i386-linux-gnu/libgomp.so.1
#2  0x003fd4d8 in ?? () from /usr/lib/i386-linux-gnu/libgomp.so.1
#3  0x00573d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#4  0x03aaad3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 8 (Thread 0x9ab1cb40 (LWP 5748)):
#0  0x003feba5 in ?? () from /usr/lib/i386-linux-gnu/libgomp.so.1
#1  0x003fec3e in ?? () from /usr/lib/i386-linux-gnu/libgomp.so.1
#2  0x003fd4d8 in ?? () from /usr/lib/i386-linux-gnu/libgomp.so.1
#3  0x00573d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#4  0x03aaad3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 7 (Thread 0x9d3b5b40 (LWP 6207)):
#0  0x03a9a3eb in read () from /lib/i386-linux-gnu/libc.so.6
#1  0x041e46ae in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x041a5bd2 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x041a6042 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x041a6201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x016828e7 in QEventDispatcherGlib::processEvents (this=0xb1ff7170, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x0164e50d in QEventLoop::processEvents (this=0x9d3b50b8, flags=...) at kernel/qeventloop.cpp:149
#7  0x0164e7a9 in QEventLoop::exec (this=0x9d3b50b8, flags=...) at kernel/qeventloop.cpp:204
#8  0x033140ce in Digikam::WorkerObjectRunnable::run (this=0xd93e928) at /build/buildd/digikam-2.5.0/core/libs/threads/threadmanager.cpp:196
#9  0x0152d39b in QThreadPoolThread::run (this=0xc872d48) at concurrent/qthreadpool.cpp:107
#10 0x0153ade0 in QThreadPrivate::start (arg=0xc872d48) at thread/qthread_unix.cpp:298
#11 0x00573d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0x03aaad3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 6 (Thread 0x9dbb6b40 (LWP 6258)):
#0  0x003feba5 in ?? () from /usr/lib/i386-linux-gnu/libgomp.so.1
#1  0x003fec3e in ?? () from /usr/lib/i386-linux-gnu/libgomp.so.1
#2  0x003fd4d8 in ?? () from /usr/lib/i386-linux-gnu/libgomp.so.1
#3  0x00573d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#4  0x03aaad3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 5 (Thread 0xb28ffb40 (LWP 6624)):
#0  0x00576c39 in __pthread_mutex_unlock_usercnt () from /lib/i386-linux-gnu/libpthread.so.0
#1  0x03ab88a4 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libc.so.6
#2  0x041e5410 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x041a59dd in g_main_context_query () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x041a600e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x041a6201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0x016828e7 in QEventDispatcherGlib::processEvents (this=0xa1560b48, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x0164e50d in QEventLoop::processEvents (this=0xb28ff0b8, flags=...) at kernel/qeventloop.cpp:149
#8  0x0164e7a9 in QEventLoop::exec (this=0xb28ff0b8, flags=...) at kernel/qeventloop.cpp:204
#9  0x033140ce in Digikam::WorkerObjectRunnable::run (this=0xcf1ec60) at /build/buildd/digikam-2.5.0/core/libs/threads/threadmanager.cpp:196
#10 0x0152d39b in QThreadPoolThread::run (this=0xd12acf0) at concurrent/qthreadpool.cpp:107
#11 0x0153ade0 in QThreadPrivate::start (arg=0xd12acf0) at thread/qthread_unix.cpp:298
#12 0x00573d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#13 0x03aaad3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 4 (Thread 0x9cbb4b40 (LWP 6974)):
[KCrash Handler]
#7  0x001a6416 in __kernel_vsyscall ()
#8  0x039ea1df in raise () from /lib/i386-linux-gnu/libc.so.6
#9  0x039ed825 in abort () from /lib/i386-linux-gnu/libc.so.6
#10 0x0093a13d in __gnu_cxx::__verbose_terminate_handler() () from /usr/lib/i386-linux-gnu/libstdc++.so.6
#11 0x00937ed3 in ?? () from /usr/lib/i386-linux-gnu/libstdc++.so.6
#12 0x00937f0f in std::terminate() () from /usr/lib/i386-linux-gnu/libstdc++.so.6
#13 0x00938b82 in __cxa_pure_virtual () from /usr/lib/i386-linux-gnu/libstdc++.so.6
#14 0x032d91df in Digikam::LoadingCache::notifyNewLoadingProcess (this=0x916df90, process=0xc363e1c, description=...) at /build/buildd/digikam-2.5.0/core/libs/threadimageio/loadingcache.cpp:247
#15 0x032e532a in Digikam::PreviewLoadingTask::execute (this=0xc363cb8) at /build/buildd/digikam-2.5.0/core/libs/threadimageio/previewtask.cpp:172
#16 0x032cc938 in Digikam::LoadSaveThread::run (this=0x14e56fa8) at /build/buildd/digikam-2.5.0/core/libs/threadimageio/loadsavethread.cpp:118
#17 0x03316d7e in Digikam::DynamicThread::DynamicThreadPriv::run (this=0x1cb7b518) at /build/buildd/digikam-2.5.0/core/libs/threads/dynamicthread.cpp:328
#18 0x0152d39b in QThreadPoolThread::run (this=0x15452298) at concurrent/qthreadpool.cpp:107
#19 0x0153ade0 in QThreadPrivate::start (arg=0x15452298) at thread/qthread_unix.cpp:298
#20 0x00573d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#21 0x03aaad3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 3 (Thread 0x9c3b3b40 (LWP 6977)):
#0  0x003feba5 in ?? () from /usr/lib/i386-linux-gnu/libgomp.so.1
#1  0x003fec3e in ?? () from /usr/lib/i386-linux-gnu/libgomp.so.1
#2  0x003fd4d8 in ?? () from /usr/lib/i386-linux-gnu/libgomp.so.1
#3  0x00573d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#4  0x03aaad3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0x9b31db40 (LWP 6985)):
#0  0x001a6416 in __kernel_vsyscall ()
#1  0x0057796b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x03ab864c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x0153b350 in wait (time=4294967295, this=0x14f1a718) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x1cb7b53c, mutex=0x1cb7b538, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0x033167cc in Digikam::DynamicThread::DynamicThreadPriv::transitionToRunning (this=0x1cb7b518) at /build/buildd/digikam-2.5.0/core/libs/threads/dynamicthread.cpp:247
#6  0x03316d64 in Digikam::DynamicThread::DynamicThreadPriv::run (this=0x1cb7b518) at /build/buildd/digikam-2.5.0/core/libs/threads/dynamicthread.cpp:325
#7  0x0152d39b in QThreadPoolThread::run (this=0xd84ebb0) at concurrent/qthreadpool.cpp:107
#8  0x0153ade0 in QThreadPrivate::start (arg=0xd84ebb0) at thread/qthread_unix.cpp:298
#9  0x00573d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#10 0x03aaad3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb52058c0 (LWP 2265)):
#0  0x001a6416 in __kernel_vsyscall ()
#1  0x03aa6e77 in syscall () from /lib/i386-linux-gnu/libc.so.6
#2  0x01539638 in _q_futex (val2=0, addr2=0x0, timeout=0x0, val=2, op=0, addr=0x9025958) at thread/qmutex_unix.cpp:99
#3  QMutexPrivate::wait (this=0x9025958, timeout=-1) at thread/qmutex_unix.cpp:113
#4  0x01534cec in QMutex::lockInternal (this=0x905a02c) at thread/qmutex.cpp:450
#5  0x01534fe0 in QMutex::lock (this=0x905a02c) at thread/qmutex.cpp:177
#6  0x032d86e7 in Digikam::LoadingCache::CacheLock::CacheLock (this=0xbfaa8c38, cache=0x916df90) at /build/buildd/digikam-2.5.0/core/libs/threadimageio/loadingcache.cpp:499
#7  0x032d987f in Digikam::ClassicLoadingCacheFileWatch::slotUpdateDirWatch (this=0x9137990) at /build/buildd/digikam-2.5.0/core/libs/threadimageio/loadingcache.cpp:459
#8  0x032dbaf0 in qt_static_metacall (_a=0xa1368c78, _id=2, _o=0x9137990, _c=<optimized out>) at /build/buildd/digikam-2.5.0/obj-i686-linux-gnu/core/digikam/loadingcache.moc:57
#9  Digikam::ClassicLoadingCacheFileWatch::qt_static_metacall (_o=0x9137990, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xa1368c78) at /build/buildd/digikam-2.5.0/obj-i686-linux-gnu/core/digikam/loadingcache.moc:49
#10 0x01661c01 in QMetaCallEvent::placeMetaCall (this=0x9f74e9f0, object=0x9137990) at kernel/qobject.cpp:525
#11 0x0166ac7b in QObject::event (this=0x9137990, e=0x9f74e9f0) at kernel/qobject.cpp:1195
#12 0x01ff0ed4 in notify_helper (e=0x9f74e9f0, receiver=0x9137990, this=0x8ddcb00) at kernel/qapplication.cpp:4559
#13 QApplicationPrivate::notify_helper (this=0x8ddcb00, receiver=0x9137990, e=0x9f74e9f0) at kernel/qapplication.cpp:4531
#14 0x01ff630d in QApplication::notify (this=0x9f74e9f0, receiver=0x9137990, e=0x9f74e9f0) at kernel/qapplication.cpp:4288
#15 0x01c5fe01 in KApplication::notify (this=0xbfaa94f0, receiver=0x9137990, event=0x9f74e9f0) at ../../kdeui/kernel/kapplication.cpp:311
#16 0x0164f97e in QCoreApplication::notifyInternal (this=0xbfaa94f0, receiver=0x9137990, event=0x9f74e9f0) at kernel/qcoreapplication.cpp:876
#17 0x01653ad8 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#18 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x8d96388) at kernel/qcoreapplication.cpp:1500
#19 0x01653e0c in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1393
#20 0x01682494 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#21 postEventSourceDispatch (s=0x8ddc760) at kernel/qeventdispatcher_glib.cpp:279
#22 0x041a5d86 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#23 0x041a6125 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#24 0x041a6201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#25 0x01682887 in QEventDispatcherGlib::processEvents (this=0x8d97100, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#26 0x020a9aaa in QGuiEventDispatcherGlib::processEvents (this=0x8d97100, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x0164e50d in QEventLoop::processEvents (this=0xbfaa93d4, flags=...) at kernel/qeventloop.cpp:149
#28 0x0164e7a9 in QEventLoop::exec (this=0xbfaa93d4, flags=...) at kernel/qeventloop.cpp:204
#29 0x01653eba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#30 0x01feea74 in QApplication::exec () at kernel/qapplication.cpp:3820
#31 0x080b69e4 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-2.5.0/core/digikam/main/main.cpp:232

Possible duplicates by query: bug 309027, bug 302437, bug 293418.

Reported using DrKonqi
Comment 1 caulier.gilles 2012-10-31 11:10:42 UTC 

*** This bug has been marked as a duplicate of bug 279996 ***
Comment 2 caulier.gilles 2019-12-23 06:21:49 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