Application: digikam (4.0.0)
KDE Platform Version: 4.13.1
Qt Version: 4.8.6
Operating System: Linux 3.13.0-29-generic x86_64
Distribution: Ubuntu 14.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:
try to look at a video after a image was viewed. start from the thumbnail view

The crash can be reproduced every time.

-- Backtrace:
Application: digiKam (digikam), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4ccfbd7ac0 (LWP 12729))]

Thread 15 (Thread 0x7f4cab500700 (LWP 12730)):
#0  0x00007f4cc8d24fbd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f4cb00ab248 in ?? () from /lib/x86_64-linux-gnu/libusb-1.0.so.0
#2  0x00007f4cc4d58182 in start_thread (arg=0x7f4cab500700) at pthread_create.c:312
#3  0x00007f4cc8d3230d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 14 (Thread 0x7f4ca48bc700 (LWP 12731)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f4cc9b13816 in wait (time=18446744073709551615, this=0x1ad46f0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x1ad4600, mutex=mutex@entry=0x1ad45f8, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00000000005e3d9e in Digikam::ScanController::run (this=0x1ad4370) at /build/buildd/digikam-4.0.0/core/digikam/database/scancontroller.cpp:725
#4  0x00007f4cc9b1332f in QThreadPrivate::start (arg=0x1ad4370) at thread/qthread_unix.cpp:349
#5  0x00007f4cc4d58182 in start_thread (arg=0x7f4ca48bc700) at pthread_create.c:312
#6  0x00007f4cc8d3230d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 13 (Thread 0x7f4c9ffff700 (LWP 12732)):
#0  0x00007f4cc8d24fbd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f4cc1c69fe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4cc1c6a0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4cc9c427be in QEventDispatcherGlib::processEvents (this=0x7f4c980008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#4  0x00007f4cc9c140af in QEventLoop::processEvents (this=this@entry=0x7f4c9fffeae0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f4cc9c143a5 in QEventLoop::exec (this=this@entry=0x7f4c9fffeae0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f4cc9b10c5f in QThread::exec (this=this@entry=0x1ab81d0) at thread/qthread.cpp:537
#7  0x00007f4cc9bf5823 in QInotifyFileSystemWatcherEngine::run (this=0x1ab81d0) at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007f4cc9b1332f in QThreadPrivate::start (arg=0x1ab81d0) at thread/qthread_unix.cpp:349
#9  0x00007f4cc4d58182 in start_thread (arg=0x7f4c9ffff700) at pthread_create.c:312
#10 0x00007f4cc8d3230d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 12 (Thread 0x7f4c9f7fe700 (LWP 12749)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f4cc9b13816 in wait (time=18446744073709551615, this=0x1d4dd90) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x1a79ca0, mutex=mutex@entry=0x1a79c98, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f4ccd2568aa in Digikam::ParkingThread::run (this=0x1a79c80) at /build/buildd/digikam-4.0.0/core/libs/threads/threadmanager.cpp:119
#4  0x00007f4cc9b1332f in QThreadPrivate::start (arg=0x1a79c80) at thread/qthread_unix.cpp:349
#5  0x00007f4cc4d58182 in start_thread (arg=0x7f4c9f7fe700) at pthread_create.c:312
#6  0x00007f4cc8d3230d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 11 (Thread 0x7f4c9dfa6700 (LWP 12750)):
#0  0x00007f4cc1c673de in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f4cc1c6962b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4cc1c69f03 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4cc1c6a0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4cc9c427be in QEventDispatcherGlib::processEvents (this=0x7f4c940008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#5  0x00007f4cc9c140af in QEventLoop::processEvents (this=this@entry=0x7f4c9dfa5ae0, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f4cc9c143a5 in QEventLoop::exec (this=this@entry=0x7f4c9dfa5ae0, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f4cc9b10c5f in QThread::exec (this=this@entry=0x2003410) at thread/qthread.cpp:537
#8  0x00007f4cc9bf5823 in QInotifyFileSystemWatcherEngine::run (this=0x2003410) at io/qfilesystemwatcher_inotify.cpp:265
#9  0x00007f4cc9b1332f in QThreadPrivate::start (arg=0x2003410) at thread/qthread_unix.cpp:349
#10 0x00007f4cc4d58182 in start_thread (arg=0x7f4c9dfa6700) at pthread_create.c:312
#11 0x00007f4cc8d3230d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 10 (Thread 0x7f4c8ac99700 (LWP 13216)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f4cc1cabc07 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4cb46c470c in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#3  0x00007f4cc1c8f89c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4cc1c8ef15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f4cc4d58182 in start_thread (arg=0x7f4c8ac99700) at pthread_create.c:312
#6  0x00007f4cc8d3230d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 9 (Thread 0x7f4c8964c700 (LWP 13217)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f4cc1cabc07 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4cb46c470c in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#3  0x00007f4cc1c8f89c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4cc1c8ef15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f4cc4d58182 in start_thread (arg=0x7f4c8964c700) at pthread_create.c:312
#6  0x00007f4cc8d3230d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 8 (Thread 0x7f4c8bffe700 (LWP 13218)):
#0  0x00007f4cc8d24fbd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f4cc8519031 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007f4cc850a83c in pa_mainloop_poll () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f4cc850aece in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f4cc850af80 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f4cc8518fe3 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f4cbff30f08 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-4.0.so
#7  0x00007f4cc4d58182 in start_thread (arg=0x7f4c8bffe700) at pthread_create.c:312
#8  0x00007f4cc8d3230d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 7 (Thread 0x7f4c5a7fc700 (LWP 13219)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1  0x00007f4cc4d5a68d in _L_lock_1082 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2  0x00007f4cc4d5a607 in __GI___pthread_mutex_lock (mutex=0x24a09b0) at ../nptl/pthread_mutex_lock.c:134
#3  0x00007f4cc1cab991 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4cb4959c88 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#5  0x00007f4cb495a54f in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#6  0x00007f4cb469ab5d in gst_pad_activate_mode () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#7  0x00007f4cb469b2a0 in gst_pad_set_active () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#8  0x00007f4cb467f43b in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#9  0x00007f4cb468e45c in gst_iterator_fold () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#10 0x00007f4cb467f7ea in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#11 0x00007f4cb46813a6 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#12 0x00007f4cb46816ba in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#13 0x00007f4cb4959064 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#14 0x00007f4c8654c813 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstxvimagesink.so
#15 0x00007f4cb4683232 in gst_element_change_state () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#16 0x00007f4cb468390c in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#17 0x00007f4cb4669659 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#18 0x00007f4cb4683232 in gst_element_change_state () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#19 0x00007f4cb468390c in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#20 0x00007f4cb4669659 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#21 0x00007f4cb4683232 in gst_element_change_state () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#22 0x00007f4cb468390c in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#23 0x00007f4cb4669659 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#24 0x00007f4cb4683232 in gst_element_change_state () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#25 0x00007f4cb468390c in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#26 0x00007f4cb4669659 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#27 0x00007f4c854de59e in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#28 0x00007f4cb4683232 in gst_element_change_state () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#29 0x00007f4cb468390c in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#30 0x00007f4cb4669659 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#31 0x00007f4cb46a0f7b in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#32 0x00007f4c854d84c4 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#33 0x00007f4cb4683232 in gst_element_change_state () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#34 0x00007f4cb468390c in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#35 0x00007f4c9c3254ac in ?? () from /usr/lib/x86_64-linux-gnu/qt4/plugins/phonon_backend/phonon_gstreamer.so
#36 0x00007f4c9c325519 in ?? () from /usr/lib/x86_64-linux-gnu/qt4/plugins/phonon_backend/phonon_gstreamer.so
#37 0x00007f4c9c319b5e in ?? () from /usr/lib/x86_64-linux-gnu/qt4/plugins/phonon_backend/phonon_gstreamer.so
#38 0x00007f4c9c31a1d9 in ?? () from /usr/lib/x86_64-linux-gnu/qt4/plugins/phonon_backend/phonon_gstreamer.so
#39 0x00007f4ccf36b164 in Phonon::MediaNodePrivate::deleteBackendObject() () from /usr/lib/x86_64-linux-gnu/libphonon.so.4
#40 0x00007f4ccf358c5e in ?? () from /usr/lib/x86_64-linux-gnu/libphonon.so.4
#41 0x00007f4ccf358f19 in ?? () from /usr/lib/x86_64-linux-gnu/libphonon.so.4
#42 0x00007f4cc8c73509 in __run_exit_handlers (status=1, listp=0x7f4cc8ff66c8 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true) at exit.c:82
#43 0x00007f4cc8c73555 in __GI_exit (status=<optimized out>) at exit.c:104
#44 0x00007f4cca66e878 in qt_xio_errhandler () at kernel/qapplication_x11.cpp:783
#45 0x00007f4ccb3118d0 in KApplication::xioErrhandler (this=0x7fff46d9d100, dpy=0x435a000) at ../../kdeui/kernel/kapplication.cpp:419
#46 0x00007f4cc72295ee in _XIOError (dpy=dpy@entry=0x435a000) at ../../src/XlibInt.c:1498
#47 0x00007f4cc7226fed in _XEventsQueued (dpy=dpy@entry=0x435a000, mode=mode@entry=1) at ../../src/xcb_io.c:366
#48 0x00007f4cc7204cb5 in XCheckWindowEvent (dpy=0x435a000, w=88080577, mask=64, event=0x7f4c5a7fba80) at ../../src/ChkWinEv.c:79
#49 0x00007f4c8654d86a in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstxvimagesink.so
#50 0x00007f4cc1c8ef15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#51 0x00007f4cc4d58182 in start_thread (arg=0x7f4c5a7fc700) at pthread_create.c:312
#52 0x00007f4cc8d3230d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (Thread 0x7f4c88e4b700 (LWP 13220)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f4cc1cabc07 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4cb4978142 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#3  0x00007f4cb4979556 in gst_data_queue_pop () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#4  0x00007f4c86b8d0f4 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#5  0x00007f4cb46c4549 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#6  0x00007f4cc1c8f89c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f4cc1c8ef15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f4cc4d58182 in start_thread (arg=0x7f4c88e4b700) at pthread_create.c:312
#9  0x00007f4cc8d3230d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7f4c8843f700 (LWP 13221)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f4cc1cabc07 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4cb4978142 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#3  0x00007f4cb4979556 in gst_data_queue_pop () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#4  0x00007f4c86b8d0f4 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#5  0x00007f4cb46c4549 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#6  0x00007f4cc1c8f89c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f4cc1c8ef15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f4cc4d58182 in start_thread (arg=0x7f4c8843f700) at pthread_create.c:312
#9  0x00007f4cc8d3230d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7f4c86545700 (LWP 13222)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1  0x00007f4cc4d5a68d in _L_lock_1082 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2  0x00007f4cc4d5a607 in __GI___pthread_mutex_lock (mutex=0x61481e0) at ../nptl/pthread_mutex_lock.c:134
#3  0x00007f4cc1cab991 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4c8654f4d8 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstxvimagesink.so
#5  0x00007f4c8654e65d in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstxvimagesink.so
#6  0x00007f4cb466e274 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#7  0x00007f4cb466e45b in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#8  0x00007f4cb466e91d in gst_buffer_pool_set_active () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#9  0x00007f4c8654be12 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstxvimagesink.so
#10 0x00007f4cb495e553 in gst_base_sink_do_preroll () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#11 0x00007f4cb495e9cb in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#12 0x00007f4cb495faf6 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#13 0x00007f4cb4961614 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#14 0x00007f4cb4696d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#15 0x00007f4cb496e2a9 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#16 0x00007f4cb4696d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#17 0x00007f4cb496e2a9 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#18 0x00007f4cb4696d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#19 0x00007f4cb496e2a9 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#20 0x00007f4cb4696d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#21 0x00007f4cb496e2a9 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#22 0x00007f4cb4696d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#23 0x00007f4cb496e2a9 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#24 0x00007f4cb4696d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#25 0x00007f4c86b90eb0 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#26 0x00007f4cb46c4549 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#27 0x00007f4cc1c8f89c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f4cc1c8ef15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f4cc4d58182 in start_thread (arg=0x7f4c86545700) at pthread_create.c:312
#30 0x00007f4cc8d3230d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7f4c854b7700 (LWP 13223)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f4cc1cabc07 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4c86b91f85 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#3  0x00007f4cb4696d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#4  0x00007f4cb4688e2b in gst_proxy_pad_chain_default () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#5  0x00007f4cb4696d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#6  0x00007f4c86b9cb36 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#7  0x00007f4c86b9d0b3 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#8  0x00007f4cb4696d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#9  0x00007f4c86b90eb0 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#10 0x00007f4cb46c4549 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#11 0x00007f4cc1c8f89c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f4cc1c8ef15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007f4cc4d58182 in start_thread (arg=0x7f4c854b7700) at pthread_create.c:312
#14 0x00007f4cc8d3230d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f4c5b7fe700 (LWP 13224)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f4cc1cabc07 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4cb46c470c in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#3  0x00007f4cc1c8f89c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4cc1c8ef15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f4cc4d58182 in start_thread (arg=0x7f4c5b7fe700) at pthread_create.c:312
#6  0x00007f4cc8d3230d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f4ccfbd7ac0 (LWP 12729)):
[KCrash Handler]
#6  0x00007f4cc8c6df79 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#7  0x00007f4cc8c71388 in __GI_abort () at abort.c:89
#8  0x00007f4cc8c66e36 in __assert_fail_base (fmt=0x7f4ccfbc1fea "%s%s%s:%u: %s%sZusicherung \302\273%s\302\253 nicht erf\303\274llt.\n%n", assertion=assertion@entry=0x7f4cc7296390 "!xcb_xlib_threads_sequence_lost", file=file@entry=0x7f4cc72961db "../../src/xcb_io.c", line=line@entry=274, function=function@entry=0x7f4cc7296696 <__PRETTY_FUNCTION__.14364> "poll_for_event") at assert.c:92
#9  0x00007f4cc8c66ee2 in __GI___assert_fail (assertion=assertion@entry=0x7f4cc7296390 "!xcb_xlib_threads_sequence_lost", file=file@entry=0x7f4cc72961db "../../src/xcb_io.c", line=line@entry=274, function=function@entry=0x7f4cc7296696 <__PRETTY_FUNCTION__.14364> "poll_for_event") at assert.c:101
#10 0x00007f4cc7226c69 in poll_for_event (dpy=dpy@entry=0x1928880) at ../../src/xcb_io.c:271
#11 0x00007f4cc7226cfc in poll_for_response (dpy=dpy@entry=0x1928880) at ../../src/xcb_io.c:289
#12 0x00007f4cc7226fcd in _XEventsQueued (dpy=dpy@entry=0x1928880, mode=mode@entry=2) at ../../src/xcb_io.c:363
#13 0x00007f4cc72190db in XEventsQueued (dpy=0x1928880, mode=2) at ../../src/Pending.c:43
#14 0x00007f4cca6a9687 in x11EventSourcePrepare (s=0x18e3ea0, timeout=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:77
#15 0x00007f4cc1c6968d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007f4cc1c69f03 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007f4cc1c6a0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007f4cc9c427a1 in QEventDispatcherGlib::processEvents (this=0x18e1370, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#19 0x00007f4cca6a9bb6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#20 0x00007f4cc9c140af in QEventLoop::processEvents (this=this@entry=0x7fff46d9cbe0, flags=...) at kernel/qeventloop.cpp:149
#21 0x00007f4cc9c143a5 in QEventLoop::exec (this=this@entry=0x7fff46d9cbe0, flags=...) at kernel/qeventloop.cpp:204
#22 0x00007f4cc9c19b79 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#23 0x00007f4cca60637c in QApplication::exec () at kernel/qapplication.cpp:3828
#24 0x00000000004948f0 in main (argc=<optimized out>, argv=<optimized out>) at /build/buildd/digikam-4.0.0/core/digikam/main/main.cpp:236

The reporter indicates this bug may be a duplicate of or related to bug 335996.

Possible duplicates by query: bug 336309, bug 335996, bug 335915, bug 335885, bug 335299.

Reported using DrKonqi