Application: digikam (4.12.0)
KDE Platform Version: 4.14.13
Qt Version: 4.8.6
Operating System: Linux 4.2.0-16-generic i686
Distribution: Ubuntu 15.10

-- Information about the crash:
- What I was doing when the application crashed:
Hi,
digiKam chrashes when a tumbnail or a preview picture is turned to right.
Thanks to the team for the excellent program.
Regards,
Harald

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 0xad0939c0 (LWP 3308))]

Thread 7 (Thread 0xacc3cb40 (LWP 3309)):
#0  0xb775dbe8 in __kernel_vsyscall ()
#1  0xb428c3db in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0xafd111a3 in ?? () from /lib/i386-linux-gnu/libusb-1.0.so.0
#3  0xb39c21aa in start_thread (arg=0xacc3cb40) at pthread_create.c:333
#4  0xb4296fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 6 (Thread 0xab6f1b40 (LWP 3310)):
#0  0xb775dbe8 in __kernel_vsyscall ()
#1  0xb39c725c in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb42a3cf6 in __pthread_cond_wait (cond=0x9e47b90, mutex=0x9e47b78) at forward.c:149
#3  0xb45ec232 in QWaitConditionPrivate::wait (time=4294967295, this=0x9e47b78) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x9e47aec, mutex=0x9e47ae8, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0x0822567e in Digikam::ScanController::run (this=0x9d945d8) at /build/digikam-tUtjhi/digikam-4.12.0/core/app/database/scancontroller.cpp:725
#6  0xb45ebc5e in QThreadPrivate::start (arg=0x9d945d8) at thread/qthread_unix.cpp:349
#7  0xb39c21aa in start_thread (arg=0xab6f1b40) at pthread_create.c:333
#8  0xb4296fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 5 (Thread 0xaacffb40 (LWP 3311)):
#0  0xb775dbbd in ?? ()
#1  0xb775d6f1 in __vdso_clock_gettime ()
#2  0xb42a4740 in __GI___clock_gettime (clock_id=1, tp=0xaacfed64) at ../sysdeps/unix/clock_gettime.c:115
#3  0xb464aab6 in do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:127
#4  qt_gettime () at tools/qelapsedtimer_unix.cpp:144
#5  0xb473d2f3 in QTimerInfoList::updateCurrentTime (this=0xaa30269c) at kernel/qeventdispatcher_unix.cpp:354
#6  QTimerInfoList::timerWait (this=0xaa30269c, tm=...) at kernel/qeventdispatcher_unix.cpp:460
#7  0xb473b901 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xaacfee58) at kernel/qeventdispatcher_glib.cpp:143
#8  0xb473b9b5 in timerSourcePrepare (source=0xaa302668, timeout=0xaacfee58) at kernel/qeventdispatcher_glib.cpp:176
#9  0xb30ed3db in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0xb30ede24 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#11 0xb30ee054 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#12 0xb473c27c in QEventDispatcherGlib::processEvents (this=0xaa300468, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#13 0xb4707daf in QEventLoop::processEvents (this=0xaacfefe4, flags=...) at kernel/qeventloop.cpp:149
#14 0xb470813e in QEventLoop::exec (this=0xaacfefe4, flags=...) at kernel/qeventloop.cpp:204
#15 0xb45e910b in QThread::exec (this=0x9e66e10) at thread/qthread.cpp:538
#16 0xb46e7576 in QInotifyFileSystemWatcherEngine::run (this=0x9e66e10) at io/qfilesystemwatcher_inotify.cpp:265
#17 0xb45ebc5e in QThreadPrivate::start (arg=0x9e66e10) at thread/qthread_unix.cpp:349
#18 0xb39c21aa in start_thread (arg=0xaacffb40) at pthread_create.c:333
#19 0xb4296fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 4 (Thread 0xaa2ffb40 (LWP 3313)):
#0  0xb775dbe8 in __kernel_vsyscall ()
#1  0xb39c725c in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb42a3cf6 in __pthread_cond_wait (cond=0x9f963e8, mutex=0x9f963d0) at forward.c:149
#3  0xb45ec232 in QWaitConditionPrivate::wait (time=4294967295, this=0x9f963d0) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0xa139ec8, mutex=0xa139ec4, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb6fd392e in Digikam::ParkingThread::run (this=0xa139eb8) at /build/digikam-tUtjhi/digikam-4.12.0/core/libs/threads/threadmanager.cpp:119
#6  0xb45ebc5e in QThreadPrivate::start (arg=0xa139eb8) at thread/qthread_unix.cpp:349
#7  0xb39c21aa in start_thread (arg=0xaa2ffb40) at pthread_create.c:333
#8  0xb4296fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 3 (Thread 0xa5217b40 (LWP 3314)):
#0  0xb31343d8 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb30ed8cf in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb30edeb1 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb30ee054 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb473c27c in QEventDispatcherGlib::processEvents (this=0xa262d18, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#5  0xb4707daf in QEventLoop::processEvents (this=0xa5216fe4, flags=...) at kernel/qeventloop.cpp:149
#6  0xb470813e in QEventLoop::exec (this=0xa5216fe4, flags=...) at kernel/qeventloop.cpp:204
#7  0xb45e910b in QThread::exec (this=0x9e9a008) at thread/qthread.cpp:538
#8  0xb46e7576 in QInotifyFileSystemWatcherEngine::run (this=0x9e9a008) at io/qfilesystemwatcher_inotify.cpp:265
#9  0xb45ebc5e in QThreadPrivate::start (arg=0x9e9a008) at thread/qthread_unix.cpp:349
#10 0xb39c21aa in start_thread (arg=0xa5217b40) at pthread_create.c:333
#11 0xb4296fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 2 (Thread 0x98708b40 (LWP 3331)):
[KCrash Handler]
#7  access_virt_barray (cinfo=0x98707378, ptr=0xb3f88280 <Exiv2::Iptcdatum::~Iptcdatum()>, start_row=0, num_rows=1, writable=1) at jmemmgr.c:897
#8  0xb6f6ba08 in do_rot_90 (dst_coef_arrays=0xb4138f90 <vtable for Exiv2::Iptcdatum+8>, src_coef_arrays=0x9b379c2c, y_crop_offset=2866093272, x_crop_offset=3019934994, dstinfo=0x987071cc, srcinfo=0x98707378) at /build/digikam-tUtjhi/digikam-4.12.0/core/libs/jpegutils/libjpeg-84/transupp.c:405
#9  jtransform_execute_transform (srcinfo=0x98707378, dstinfo=0x987071cc, src_coef_arrays=0x9b379c2c, info=0x98706f38) at /build/digikam-tUtjhi/digikam-4.12.0/core/libs/jpegutils/libjpeg-84/transupp.c:1455
#10 0xb6f64d35 in Digikam::JPEGUtils::JpegRotator::performJpegTransform (this=0x98707880, action=KExiv2Iface::RotationMatrix::Rotate90, src=..., dest=...) at /build/digikam-tUtjhi/digikam-4.12.0/core/libs/jpegutils/jpegutils.cpp:656
#11 0xb6f68cc0 in Digikam::JPEGUtils::JpegRotator::exifTransform (this=0x98707880, matrix=...) at /build/digikam-tUtjhi/digikam-4.12.0/core/libs/jpegutils/jpegutils.cpp:414
#12 0xb6f6a88b in Digikam::JPEGUtils::JpegRotator::exifTransform (this=0x98707880, action=KExiv2Iface::RotationMatrix::Rotate90) at /build/digikam-tUtjhi/digikam-4.12.0/core/libs/jpegutils/jpegutils.cpp:366
#13 0x0827c874 in Digikam::FileActionMngrFileWorker::transform (this=0xa24de18, infos=..., action=5) at /build/digikam-tUtjhi/digikam-4.12.0/core/app/fileaction/fileworkeriface.cpp:218
#14 0x0827ad46 in Digikam::FileWorkerInterface::qt_static_metacall (_o=0xa24de18, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0xc073e98) at /build/digikam-tUtjhi/digikam-4.12.0/obj-i686-linux-gnu/core/app/fileworkeriface.moc:68
#15 0xb471ce1a in QMetaCallEvent::placeMetaCall (this=0xd0765f0, object=0xa24de18) at kernel/qobject.cpp:524
#16 0xb4725001 in QObject::event (this=0xa24de18, e=0xd0765f0) at kernel/qobject.cpp:1222
#17 0xb6fd49fa in Digikam::WorkerObject::event (this=0xa24de18, e=0xd0765f0) at /build/digikam-tUtjhi/digikam-4.12.0/core/libs/threads/workerobject.cpp:160
#18 0xb4d5a3ca in QApplicationPrivate::notify_helper (this=0x9d49c78, receiver=0xa24de18, e=0xd0765f0) at kernel/qapplication.cpp:4570
#19 0xb4d616d1 in QApplication::notify (this=0xbffd3204, receiver=0xa24de18, e=0xd0765f0) at kernel/qapplication.cpp:4356
#20 0xb5917b3c in KApplication::notify (this=0xbffd3204, receiver=0xa24de18, event=0xd0765f0) at ../../kdeui/kernel/kapplication.cpp:311
#21 0xb47096ca in QCoreApplication::notifyInternal (this=0xbffd3204, receiver=0xa24de18, event=0xd0765f0) at kernel/qcoreapplication.cpp:955
#22 0xb470d3b6 in QCoreApplication::sendEvent (event=0xd0765f0, receiver=0xa24de18) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#23 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0xb1b7470) at kernel/qcoreapplication.cpp:1579
#24 0xb470d6e5 in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1472
#25 0xb473c0f1 in QCoreApplication::sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#26 postEventSourceDispatch (s=0xaad6f130) at kernel/qeventdispatcher_glib.cpp:300
#27 0xb30edce9 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#28 0xb30edf89 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#29 0xb30ee054 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#30 0xb473c255 in QEventDispatcherGlib::processEvents (this=0xaad3e098, flags=...) at kernel/qeventdispatcher_glib.cpp:450
#31 0xb4707daf in QEventLoop::processEvents (this=0x98707fd4, flags=...) at kernel/qeventloop.cpp:149
#32 0xb470813e in QEventLoop::exec (this=0x98707fd4, flags=...) at kernel/qeventloop.cpp:204
#33 0xb6fd2e6a in Digikam::WorkerObjectRunnable::run (this=0xd1a73a0) at /build/digikam-tUtjhi/digikam-4.12.0/core/libs/threads/threadmanager.cpp:196
#34 0xb45de3e9 in QThreadPoolThread::run (this=0xb1b7360) at concurrent/qthreadpool.cpp:108
#35 0xb45ebc5e in QThreadPrivate::start (arg=0xb1b7360) at thread/qthread_unix.cpp:349
#36 0xb39c21aa in start_thread (arg=0x98708b40) at pthread_create.c:333
#37 0xb4296fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 1 (Thread 0xad0939c0 (LWP 3308)):
#0  0xb775dbe8 in __kernel_vsyscall ()
#1  0xb39c725c in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb42a3cf6 in __pthread_cond_wait (cond=0xa24dee0, mutex=0xa24dec8) at forward.c:149
#3  0xb45ec232 in QWaitConditionPrivate::wait (time=4294967295, this=0xa24dec8) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0xa24de88, mutex=0xa24de84, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb6fd3c42 in Digikam::WorkerObject::wait (this=0xa24de18) at /build/digikam-tUtjhi/digikam-4.12.0/core/libs/threads/workerobject.cpp:95
#6  0xb6fd738a in Digikam::ParallelWorkers::wait (this=0xa24dcb4) at /build/digikam-tUtjhi/digikam-4.12.0/core/libs/threads/parallelworkers.cpp:91
#7  0x082733e7 in Digikam::FileActionMngr::~FileActionMngr (this=0xa24d998, __in_chrg=<optimized out>) at /build/digikam-tUtjhi/digikam-4.12.0/core/app/fileaction/fileactionmngr.cpp:78
#8  0x08273448 in Digikam::FileActionMngrCreator::~FileActionMngrCreator (this=0xa24d998, __in_chrg=<optimized out>) at /build/digikam-tUtjhi/digikam-4.12.0/core/app/fileaction/fileactionmngr.cpp:52
#9  destroy () at /build/digikam-tUtjhi/digikam-4.12.0/core/app/fileaction/fileactionmngr.cpp:59
#10 0xb41dbc53 in __run_exit_handlers (status=1, listp=0xb436441c <__exit_funcs>, run_list_atexit=true) at exit.c:82
#11 0xb41dbcb1 in __GI_exit (status=1) at exit.c:104
#12 0xb4dd22a3 in qt_xio_errhandler () at kernel/qapplication_x11.cpp:782
#13 0xb59162c9 in KApplication::xioErrhandler (this=0xbffd3204, dpy=0x9d70938) at ../../kdeui/kernel/kapplication.cpp:419
#14 0xb59163a1 in kde_xio_errhandler (dpy=0x9d70938) at ../../kdeui/kernel/kapplication.cpp:126
#15 0xb38aa2ed in _XIOError () from /usr/lib/i386-linux-gnu/libX11.so.6
#16 0xb38a7b56 in _XEventsQueued () from /usr/lib/i386-linux-gnu/libX11.so.6
#17 0xb3898fac in XEventsQueued () from /usr/lib/i386-linux-gnu/libX11.so.6
#18 0xb4e14a11 in x11EventSourceCheck (s=0x9d55130) at kernel/qguieventdispatcher_glib.cpp:85
#19 0xb30ed8da in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#20 0xb30edeb1 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#21 0xb30ee054 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#22 0xb473c255 in QEventDispatcherGlib::processEvents (this=0x9ced570, flags=...) at kernel/qeventdispatcher_glib.cpp:450
#23 0xb4e15096 in QGuiEventDispatcherGlib::processEvents (this=0x9ced570, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#24 0xb4707daf in QEventLoop::processEvents (this=0xbffd3094, flags=...) at kernel/qeventloop.cpp:149
#25 0xb470813e in QEventLoop::exec (this=0xbffd3094, flags=...) at kernel/qeventloop.cpp:204
#26 0xb470e736 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1227
#27 0xb4d58264 in QApplication::exec () at kernel/qapplication.cpp:3828
#28 0x080bc135 in main (argc=5, argv=0xbffd3344) at /build/digikam-tUtjhi/digikam-4.12.0/core/app/main/main.cpp:230

Reported using DrKonqi