https://bugs.kde.org/show_bug.cgi?id=302810

            Bug ID: 302810
          Severity: crash
           Version: 2.6.0
          Priority: NOR
          Assignee: digikam-devel@kde.org
           Summary: Crash when closing digikam during face recognition
    Classification: Unclassified
                OS: Linux
          Reporter: netz@lytenyn.de
          Hardware: Compiled Sources
            Status: UNCONFIRMED
         Component: general
           Product: digikam

Application: digikam (2.6.0)
KDE Platform Version: 4.8.4 (4.8.4) (Compiled from sources)
Qt Version: 4.8.2
Operating System: Linux 3.4.0-gentoo x86_64
Distribution: "NAME="Gentoo""

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

Digikam was quite unresponsive while running a full face recognition. I could
not find a way to stop it (this may be a bug in itself :)), so I closed
digikam, at which point it crashed with the attached backtrace.
Hope it helps..

-- Backtrace:
Application: digiKam (digikam), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
pthread_cond_wait () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
[Current thread is 1 (Thread 0x7f77e175b800 (LWP 9159))]

Thread 8 (Thread 0x7f77bbfff700 (LWP 9434)):
#0  0x00007f77dad3dffd in read () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007f77cea454bc in ?? () from /usr/lib64/libGL.so.1
#2  0x00007f77c9890b27 in ?? () from
/usr/lib64/opengl/nvidia/lib/libnvidia-tls.so.302.17
#3  0x00007f77d33b1290 in read (__nbytes=16, __buf=0x7f77bbffeaf0,
__fd=<optimized out>) at /usr/include/bits/unistd.h:45
#4  g_wakeup_acknowledge (wakeup=0x7f77bc001fb0) at gwakeup.c:212
#5  0x00007f77d3374104 in g_main_context_check (context=0x7f77b40009c0,
max_priority=2147483647, fds=0x7f77b4002a10, n_fds=1) at gmain.c:2980
#6  0x00007f77d337454c in g_main_context_iterate (context=0x7f77b40009c0,
block=1, dispatch=1, self=<optimized out>) at gmain.c:3143
#7  0x00007f77d33746c4 in g_main_context_iteration (context=0x7f77b40009c0,
may_block=1) at gmain.c:3207
#8  0x00007f77dbc47d66 in QEventDispatcherGlib::processEvents
(this=0x7f77b40008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#9  0x00007f77dbc178d2 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#10 0x00007f77dbc17b85 in QEventLoop::exec (this=0x7f77bbffec80, flags=...) at
kernel/qeventloop.cpp:204
#11 0x00007f77dbb15148 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:501
#12 0x00007f77dbbf65f8 in QInotifyFileSystemWatcherEngine::run (this=0x1db4760)
at io/qfilesystemwatcher_inotify.cpp:248
#13 0x00007f77dbb177bb in QThreadPrivate::start (arg=0x1db4760) at
thread/qthread_unix.cpp:307
#14 0x00007f77cea464d4 in ?? () from /usr/lib64/libGL.so.1
#15 0x00007f77d8ca9d96 in start_thread (arg=0x7f77bbfff700) at
pthread_create.c:305
#16 0x00007f77dad4ba1d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 7 (Thread 0x7f77a2e6b700 (LWP 14575)):
#0  0x00007f77dad3dffd in read () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007f77cea454bc in ?? () from /usr/lib64/libGL.so.1
#2  0x00007f77c9890b27 in ?? () from
/usr/lib64/opengl/nvidia/lib/libnvidia-tls.so.302.17
#3  0x00007f77d33b1290 in read (__nbytes=16, __buf=0x7f77a2e6aaf0,
__fd=<optimized out>) at /usr/include/bits/unistd.h:45
#4  g_wakeup_acknowledge (wakeup=0x7f7788001f50) at gwakeup.c:212
#5  0x00007f77d3374104 in g_main_context_check (context=0x7f779c001700,
max_priority=2147483647, fds=0x7f779c060720, n_fds=1) at gmain.c:2980
#6  0x00007f77d337454c in g_main_context_iterate (context=0x7f779c001700,
block=1, dispatch=1, self=<optimized out>) at gmain.c:3143
#7  0x00007f77d33746c4 in g_main_context_iteration (context=0x7f779c001700,
may_block=1) at gmain.c:3207
#8  0x00007f77dbc47d66 in QEventDispatcherGlib::processEvents
(this=0x7f779c004800, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#9  0x00007f77dbc178d2 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#10 0x00007f77dbc17b85 in QEventLoop::exec (this=0x7f77a2e6ac80, flags=...) at
kernel/qeventloop.cpp:204
#11 0x00007f77dbb15148 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:501
#12 0x00007f77dbbf65f8 in QInotifyFileSystemWatcherEngine::run (this=0x6a6eaa0)
at io/qfilesystemwatcher_inotify.cpp:248
#13 0x00007f77dbb177bb in QThreadPrivate::start (arg=0x6a6eaa0) at
thread/qthread_unix.cpp:307
#14 0x00007f77cea464d4 in ?? () from /usr/lib64/libGL.so.1
#15 0x00007f77d8ca9d96 in start_thread (arg=0x7f77a2e6b700) at
pthread_create.c:305
#16 0x00007f77dad4ba1d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 6 (Thread 0x7f7779639700 (LWP 14937)):
#0  pthread_cond_wait () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f77dbb186cb in wait (time=18446744073709551615, this=0x729fb30) at
thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x729ed18,
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f77a70663f4 in KIPIPlugins::KPRawThumbThread::run (this=0x729f1a0)
at
/var/tmp/portage/media-plugins/kipi-plugins-2.6.0/work/digikam-2.6.0/extra/kipi-plugins/common/libkipiplugins/tools/kprawthumbthread.cpp:107
#4  0x00007f77dbb177bb in QThreadPrivate::start (arg=0x729f1a0) at
thread/qthread_unix.cpp:307
#5  0x00007f77cea464d4 in ?? () from /usr/lib64/libGL.so.1
#6  0x00007f77d8ca9d96 in start_thread (arg=0x7f7779639700) at
pthread_create.c:305
#7  0x00007f77dad4ba1d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 5 (Thread 0x7f7797cb3700 (LWP 17663)):
#0  0x00007f77dad42c33 in *__GI___poll (fds=<optimized out>, nfds=<optimized
out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f77d33745a6 in g_main_context_poll (n_fds=1, fds=0x7f7754b0c850,
timeout=-1, context=0x7f775491c330, priority=<optimized out>) at gmain.c:3440
#2  g_main_context_iterate (context=0x7f775491c330, block=1, dispatch=1,
self=<optimized out>) at gmain.c:3141
#3  0x00007f77d33746c4 in g_main_context_iteration (context=0x7f775491c330,
may_block=1) at gmain.c:3207
#4  0x00007f77dbc47d66 in QEventDispatcherGlib::processEvents
(this=0x7f77540028d0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f77dbc178d2 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f77dbc17b85 in QEventLoop::exec (this=0x7f7797cb2c40, flags=...) at
kernel/qeventloop.cpp:204
#7  0x00007f77defccfce in Digikam::WorkerObjectRunnable::run (this=0x523f960)
at
/var/tmp/portage/media-gfx/digikam-2.6.0/work/digikam-2.6.0/core/libs/threads/threadmanager.cpp:196
#8  0x00007f77dbb0bd10 in QThreadPoolThread::run (this=0x6169f40) at
concurrent/qthreadpool.cpp:107
#9  0x00007f77dbb177bb in QThreadPrivate::start (arg=0x6169f40) at
thread/qthread_unix.cpp:307
#10 0x00007f77cea464d4 in ?? () from /usr/lib64/libGL.so.1
#11 0x00007f77d8ca9d96 in start_thread (arg=0x7f7797cb3700) at
pthread_create.c:305
#12 0x00007f77dad4ba1d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 4 (Thread 0x7f777ae3c700 (LWP 17764)):
#0  __pthread_mutex_lock (mutex=0x7f7754b0d780) at pthread_mutex_lock.c:89
#1  0x00007f77d33b1fc1 in g_mutex_lock (mutex=<optimized out>) at
gthread-posix.c:208
#2  0x00007f77d33740ad in g_main_context_check (context=0x7f7754b15480,
max_priority=2147483647, fds=<optimized out>, n_fds=<optimized out>) at
gmain.c:3025
#3  0x00007f77d337454c in g_main_context_iterate (context=0x7f7754b15480,
block=1, dispatch=1, self=<optimized out>) at gmain.c:3143
#4  0x00007f77d33746c4 in g_main_context_iteration (context=0x7f7754b15480,
may_block=1) at gmain.c:3207
#5  0x00007f77dbc47d66 in QEventDispatcherGlib::processEvents
(this=0x7f7754b15110, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f77dbc178d2 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f77dbc17b85 in QEventLoop::exec (this=0x7f777ae3bc40, flags=...) at
kernel/qeventloop.cpp:204
#8  0x00007f77defccfce in Digikam::WorkerObjectRunnable::run (this=0x60ab2b0)
at
/var/tmp/portage/media-gfx/digikam-2.6.0/work/digikam-2.6.0/core/libs/threads/threadmanager.cpp:196
#9  0x00007f77dbb0bd10 in QThreadPoolThread::run (this=0x49e9c20) at
concurrent/qthreadpool.cpp:107
#10 0x00007f77dbb177bb in QThreadPrivate::start (arg=0x49e9c20) at
thread/qthread_unix.cpp:307
#11 0x00007f77cea464d4 in ?? () from /usr/lib64/libGL.so.1
#12 0x00007f77d8ca9d96 in start_thread (arg=0x7f777ae3c700) at
pthread_create.c:305
#13 0x00007f77dad4ba1d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 3 (Thread 0x7f777a63b700 (LWP 17765)):
[KCrash Handler]
#6  0x00007f77dac96a35 in *__GI_raise (sig=<optimized out>) at
../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x00007f77dac97d35 in *__GI_abort () at abort.c:91
#8  0x00007f77dbb0d9b4 in qt_message_output (msgType=<optimized out>,
buf=<optimized out>) at global/qglobal.cpp:2260
#9  0x00007f77dbb0db4d in qt_message(QtMsgType, const char *, typedef
__va_list_tag __va_list_tag *) (msgType=QtFatalMsg, msg=0x7f77de9fa640 "Fatal
Error: Accessed global static '%s *%s()' after destruction. Defined at %s:%d",
ap=0x7f777a639b10) at global/qglobal.cpp:2306
#10 0x00007f77dbb0dce5 in qFatal (msg=<optimized out>) at
global/qglobal.cpp:2489
#11 0x00007f77de94e0bf in operator-> (this=<optimized out>) at
/var/tmp/portage/media-gfx/digikam-2.6.0/work/digikam-2.6.0/core/libs/database/imagetagpair.cpp:75
#12 Digikam::ImageTagPairPriv::isNull (this=0x7f77566c7930) at
/var/tmp/portage/media-gfx/digikam-2.6.0/work/digikam-2.6.0/core/libs/database/imagetagpair.cpp:113
#13 0x00007f77de94e341 in Digikam::ImageTagPairPriv::init (this=0x7f77566c7930,
i=..., t=40) at
/var/tmp/portage/media-gfx/digikam-2.6.0/work/digikam-2.6.0/core/libs/database/imagetagpair.cpp:89
#14 0x00007f77de94fbd7 in Digikam::ImageTagPair::ImageTagPair
(this=0x7f777a639eb0, imageId=39268, tagId=40) at
/var/tmp/portage/media-gfx/digikam-2.6.0/work/digikam-2.6.0/core/libs/database/imagetagpair.cpp:124
#15 0x000000000069e479 in Digikam::FaceIface::writeUnconfirmedResults
(this=0x7f777a63a190, image=..., imageid=39268, faceList=...) at
/var/tmp/portage/media-gfx/digikam-2.6.0/work/digikam-2.6.0/core/utilities/facedetection/faceiface.cpp:347
#16 0x00000000006a968b in Digikam::DatabaseWriter::process (this=0x94b77d0,
package=...) at
/var/tmp/portage/media-gfx/digikam-2.6.0/work/digikam-2.6.0/core/utilities/facedetection/facepipeline.cpp:568
#17 0x00000000006a9a67 in Digikam::DatabaseWriter::qt_static_metacall
(_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized
out>) at
/var/tmp/portage/media-gfx/digikam-2.6.0/work/digikam-2.6.0_build/digikam/facepipeline_p.moc:494
#18 0x00007f77dbc2d806 in QObject::event (this=0x94b77d0, e=<optimized out>) at
kernel/qobject.cpp:1195
#19 0x00007f77dc6400a4 in QApplicationPrivate::notify_helper (this=0x1b70020,
receiver=0x94b77d0, e=0x7f7754b62fb0) at kernel/qapplication.cpp:4551
#20 0x00007f77dc644b7f in QApplication::notify (this=<optimized out>,
receiver=0x94b77d0, e=0x7f7754b62fb0) at kernel/qapplication.cpp:4412
#21 0x00007f77dd38c5b6 in KApplication::notify (this=0x7fffaa530e70,
receiver=0x94b77d0, event=0x7f7754b62fb0) at
/var/tmp/portage/kde-base/kdelibs-4.8.4/work/kdelibs-4.8.4/kdeui/kernel/kapplication.cpp:311
#22 0x00007f77dbc18b6b in QCoreApplication::notifyInternal
(this=0x7fffaa530e70, receiver=0x94b77d0, event=0x7f7754b62fb0) at
kernel/qcoreapplication.cpp:915
#23 0x00007f77dbc1c137 in sendEvent (event=0x7f7754b62fb0, receiver=0x94b77d0)
at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#24 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0,
data=0x5c47310) at kernel/qcoreapplication.cpp:1539
#25 0x00007f77dbc47b73 in sendPostedEvents () at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#26 postEventSourceDispatch (s=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:279
#27 0x00007f77d33742c2 in g_main_dispatch (context=0x7f7754b118e0) at
gmain.c:2539
#28 g_main_context_dispatch (context=0x7f7754b118e0) at gmain.c:3075
#29 0x00007f77d3374608 in g_main_context_iterate (context=0x7f7754b118e0,
block=1, dispatch=1, self=<optimized out>) at gmain.c:3146
#30 0x00007f77d33746c4 in g_main_context_iteration (context=0x7f7754b118e0,
may_block=1) at gmain.c:3207
#31 0x00007f77dbc47d0f in QEventDispatcherGlib::processEvents
(this=0x7f7754c15d20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#32 0x00007f77dbc178d2 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#33 0x00007f77dbc17b85 in QEventLoop::exec (this=0x7f777a63ac40, flags=...) at
kernel/qeventloop.cpp:204
#34 0x00007f77defccfce in Digikam::WorkerObjectRunnable::run (this=0x8607f40)
at
/var/tmp/portage/media-gfx/digikam-2.6.0/work/digikam-2.6.0/core/libs/threads/threadmanager.cpp:196
#35 0x00007f77dbb0bd10 in QThreadPoolThread::run (this=0x5f91f20) at
concurrent/qthreadpool.cpp:107
#36 0x00007f77dbb177bb in QThreadPrivate::start (arg=0x5f91f20) at
thread/qthread_unix.cpp:307
#37 0x00007f77cea464d4 in ?? () from /usr/lib64/libGL.so.1
#38 0x00007f77d8ca9d96 in start_thread (arg=0x7f777a63b700) at
pthread_create.c:305
#39 0x00007f77dad4ba1d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 2 (Thread 0x7f77877fe700 (LWP 17774)):
#0  g_mutex_lock (mutex=0x7f7754c05300) at gthread-posix.c:205
#1  0x00007f77d337456a in g_main_context_iterate (context=0x7f7754c05300,
block=1, dispatch=1, self=<optimized out>) at gmain.c:3150
#2  0x00007f77d33746c4 in g_main_context_iteration (context=0x7f7754c05300,
may_block=1) at gmain.c:3207
#3  0x00007f77dbc47d66 in QEventDispatcherGlib::processEvents
(this=0x7f7754c58a30, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f77dbc178d2 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f77dbc17b85 in QEventLoop::exec (this=0x7f77877fdc40, flags=...) at
kernel/qeventloop.cpp:204
#6  0x00007f77defccfce in Digikam::WorkerObjectRunnable::run (this=0x9537d60)
at
/var/tmp/portage/media-gfx/digikam-2.6.0/work/digikam-2.6.0/core/libs/threads/threadmanager.cpp:196
#7  0x00007f77dbb0bd10 in QThreadPoolThread::run (this=0x689ded0) at
concurrent/qthreadpool.cpp:107
#8  0x00007f77dbb177bb in QThreadPrivate::start (arg=0x689ded0) at
thread/qthread_unix.cpp:307
#9  0x00007f77cea464d4 in ?? () from /usr/lib64/libGL.so.1
#10 0x00007f77d8ca9d96 in start_thread (arg=0x7f77877fe700) at
pthread_create.c:305
#11 0x00007f77dad4ba1d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7f77e175b800 (LWP 9159)):
#0  pthread_cond_wait () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f77dbb186cb in wait (time=18446744073709551615, this=0x1c33770) at
thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1cf6058,
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f77dbb0b0f6 in QThreadPoolPrivate::waitForDone (this=0x1cf5fd0,
msecs=-1) at concurrent/qthreadpool.cpp:298
#4  0x00007f77dbb0c544 in QThreadPool::~QThreadPool (this=0x1e849b0,
__in_chrg=<optimized out>) at concurrent/qthreadpool.cpp:440
#5  0x00007f77dbb0c589 in QThreadPool::~QThreadPool (this=0x1e849b0,
__in_chrg=<optimized out>) at concurrent/qthreadpool.cpp:442
#6  0x00007f77dbc2bd64 in QObjectPrivate::deleteChildren (this=0x1cf3e70) at
kernel/qobject.cpp:1908
#7  0x00007f77dbc2f620 in QObject::~QObject (this=0x1dbed70,
__in_chrg=<optimized out>) at kernel/qobject.cpp:927
#8  0x00007f77defcc807 in ~ThreadManagerCreator (this=0x1dbed70,
__in_chrg=<optimized out>) at
/var/tmp/portage/media-gfx/digikam-2.6.0/work/digikam-2.6.0/core/libs/threads/threadmanager.cpp:236
#9  destroy () at
/var/tmp/portage/media-gfx/digikam-2.6.0/work/digikam-2.6.0/core/libs/threads/threadmanager.cpp:241
#10 0x00007f77dac993f1 in __run_exit_handlers (status=0, listp=0x7f77db0045a8,
run_list_atexit=true) at exit.c:78
#11 0x00007f77dac99445 in *__GI_exit (status=29570972) at exit.c:100
#12 0x00007f77dac834c4 in __libc_start_main (main=0x496440 <main(int, char**)>,
argc=5, ubp_av=0x7fffaa531698, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fffaa531688) at libc-start.c:258
#13 0x0000000000498d05 in _start ()

Reported using DrKonqi

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