Thread 29 (Thread 0x5aed0460 (LWP 21778)):
#0  0x45265204 in ?? ()
#1  0x4668fa1a in ?? ()
#2  0x4668fa1a in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 28 (Thread 0x551bc460 (LWP 21506)):
#0  __libc_do_syscall ()
    at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0x42a75d72 in __pthread_cond_wait (cond=0x1373770, mutex=0x1373750)
    at pthread_cond_wait.c:155
#2  0x41bf698a in __pthread_cond_wait (cond=<optimized out>, 
    mutex=<optimized out>) at forward.c:149
#3  0x46714278 in ?? ()
#4  0x46714278 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 27 (Thread 0x5a671460 (LWP 21775)):
#0  __libc_do_syscall ()
    at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0x42a75d72 in __pthread_cond_wait (cond=0x49e07bf8, mutex=0x49e0dce0)
    at pthread_cond_wait.c:155
#2  0x41bf698a in __pthread_cond_wait (cond=<optimized out>, 
    mutex=<optimized out>) at forward.c:149
#3  0x4649dfa6 in ?? ()
#4  0x4649dfa6 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 26 (Thread 0x538ad460 (LWP 21503)):
#0  __libc_do_syscall ()
    at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0x42a75d72 in __pthread_cond_wait (cond=0x4530f7c0, mutex=0x4530f7a0)
    at pthread_cond_wait.c:155
#2  0x41bf698a in __pthread_cond_wait (cond=<optimized out>, 
    mutex=<optimized out>) at forward.c:149
#3  0x4649dfa6 in ?? ()
#4  0x4649dfa6 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 25 (Thread 0x59d90460 (LWP 21774)):
#0  __libc_do_syscall ()
    at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0x42a75d72 in __pthread_cond_wait (cond=0x49e158b8, mutex=0x49e055a8)
    at pthread_cond_wait.c:155
#2  0x41bf698a in __pthread_cond_wait (cond=<optimized out>, 
    mutex=<optimized out>) at forward.c:149
#3  0x4649dfa6 in ?? ()
#4  0x4649dfa6 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 24 (Thread 0x54998460 (LWP 21505)):
#0  0x45265204 in ?? ()
#1  0x4668fa1a in ?? ()
#2  0x4668fa1a in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 23 (Thread 0x594c9460 (LWP 21773)):
#0  0x42565cfa in gst_event_unref (event=<optimized out>)
    at ../gst/gstevent.h:448
#1  events_foreach (pad=pad@entry=0x139bad0, func=0x42567199 <push_sticky>, 
    user_data=user_data@entry=0x594c8a0c) at gstpad.c:557
#2  0x4256d9ec in check_sticky (event=0x1452ac8, pad=0x139bad0)
    at gstpad.c:3377
#3  gst_pad_push_event (pad=0x139bad0, event=0x1452ac8) at gstpad.c:4799
#4  0x425e85bc in gst_base_parse_push_frame (parse=parse@entry=0x146a488, 
    frame=frame@entry=0x594c8b68) at gstbaseparse.c:2180
#5  0x425e9328 in gst_base_parse_chain (pad=<optimized out>, 
    parent=0x146a488, buffer=0x495bd408) at gstbaseparse.c:2758
#6  0x42567904 in gst_pad_chain_data_unchecked (data=0x495bd408, type=4112, 
    pad=0x139b988) at gstpad.c:3711
#7  gst_pad_push_data (pad=0x139b840, type=type@entry=4112, 
    data=<optimized out>, data@entry=0x495bd408) at gstpad.c:3941
#8  0x4256d07a in gst_pad_push (pad=<optimized out>, 
    buffer=buffer@entry=0x495bd408) at gstpad.c:4044
#9  0x46300bac in gst_single_queue_push_one (object=0x495bd408, sq=0x13b0798, 
    mq=0x495505b8) at gstmultiqueue.c:1083
#10 gst_multi_queue_loop (pad=<optimized out>) at gstmultiqueue.c:1331
#11 0x4258b396 in gst_task_func (task=0x453294c0) at gsttask.c:316
#12 0x42479d3e in g_thread_pool_thread_proxy (data=<optimized out>)
    at /build/buildd/glib2.0-2.38.0/./glib/gthreadpool.c:309
#13 0x424795f2 in g_thread_proxy (data=0x1452350)
    at /build/buildd/glib2.0-2.38.0/./glib/gthread.c:798
#14 0x42a72e64 in start_thread (arg=0x594c9460) at pthread_create.c:313
#15 0x41bedc28 in ?? ()
    at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:96
   from /lib/arm-linux-gnueabihf/libc.so.6
#16 0x41bedc28 in ?? ()
    at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:96
   from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 22 (Thread 0x54198460 (LWP 21504)):
#0  0x452650e0 in ?? ()
#1  0x452783a6 in ?? ()
#2  0x452783a6 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 21 (Thread 0x401cf2a0 (LWP 21475)):
#0  0x41be52b4 in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x4245fd8e in g_main_context_poll (priority=2147483647, n_fds=6, 
    fds=0x1452748, timeout=59, context=0x1213040)
    at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:4006
#2  g_main_context_iterate (context=context@entry=0x1213040, 
    block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3707
#3  0x4245fe30 in g_main_context_iteration (context=0x1213040, may_block=1)
    at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3773
#4  0x41a108d0 in QEventDispatcherGlib::processEvents (this=0x1211d10, 
    flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x419e0d5c in QEventLoop::exec (this=this@entry=0xbe8fb2d4, 
    flags=flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x419e479c in QCoreApplication::exec ()
    at kernel/qcoreapplication.cpp:1020
#7  0x40810f6a in ?? () from /usr/lib/arm-linux-gnueabihf/libQt5WebKit.so.5
#8  0x40810f6a in ?? () from /usr/lib/arm-linux-gnueabihf/libQt5WebKit.so.5
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 20 (Thread 0x53006460 (LWP 21502)):
#0  __libc_do_syscall ()
    at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:44
#1  0x42a76000 in __pthread_cond_timedwait (cond=0x4530f168, 
    mutex=0x4530e668, abstime=<optimized out>) at pthread_cond_timedwait.c:167
#2  0x41bf69aa in __pthread_cond_timedwait (cond=<optimized out>, 
    mutex=<optimized out>, abstime=<optimized out>) at forward.c:162
#3  0x43d38462 in ?? ()
   from /usr/lib/arm-linux-gnueabihf/libhybris-common.so.1
#4  0x43d38462 in ?? ()
   from /usr/lib/arm-linux-gnueabihf/libhybris-common.so.1
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 19 (Thread 0x5b776460 (LWP 21779)):
#0  __libc_do_syscall ()
    at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0x42a75d72 in __pthread_cond_wait (cond=0x1390b38, mutex=0x13a26e0)
    at pthread_cond_wait.c:155
#2  0x41bf698a in __pthread_cond_wait (cond=<optimized out>, 
    mutex=<optimized out>) at forward.c:149
#3  0x46714278 in ?? ()
#4  0x46714278 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 18 (Thread 0x559bc460 (LWP 21507)):
#0  __libc_do_syscall ()
    at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0x42a75d72 in __pthread_cond_wait (cond=0x4530aef0, mutex=0x45302530)
    at pthread_cond_wait.c:155
#2  0x41bf698a in __pthread_cond_wait (cond=<optimized out>, 
    mutex=<optimized out>) at forward.c:149
#3  0x4649e816 in ?? ()
#4  0x4649e816 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 17 (Thread 0x5278e460 (LWP 21501)):
#0  0x452650e0 in ?? ()
#1  0x452783a6 in ?? ()
#2  0x452783a6 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 16 (Thread 0x57307460 (LWP 21765)):
#0  __libc_do_syscall ()
    at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:44
#1  0x42a76000 in __pthread_cond_timedwait (cond=0x1405448, mutex=0x1405430, 
    abstime=<optimized out>) at pthread_cond_timedwait.c:167
#2  0x41bf69aa in __pthread_cond_timedwait (cond=<optimized out>, 
    mutex=<optimized out>, abstime=<optimized out>) at forward.c:162
#3  0x418e557e in wait (time=30000, this=0x1405430)
    at thread/qwaitcondition_unix.cpp:84
#4  QWaitCondition::wait (this=<optimized out>, mutex=mutex@entry=0x14053f8, 
    time=30000) at thread/qwaitcondition_unix.cpp:158
#5  0x418e3438 in QThreadPoolThread::run (this=0x13ba0e8)
    at thread/qthreadpool.cpp:134
#6  0x418e51ce in QThreadPrivate::start (arg=0x13ba0e8)
    at thread/qthread_unix.cpp:333
#7  0x42a72e64 in start_thread (arg=0x57307460) at pthread_create.c:313
#8  0x41bedc28 in ?? ()
    at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:96
   from /lib/arm-linux-gnueabihf/libc.so.6
#9  0x41bedc28 in ?? ()
    at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:96
   from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 15 (Thread 0x56b07460 (LWP 21509)):
#0  __libc_do_syscall ()
    at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0x42a75d72 in __pthread_cond_wait (cond=0x1412ee0, mutex=0x1412ec0)
    at pthread_cond_wait.c:155
#2  0x41bf698a in __pthread_cond_wait (cond=cond@entry=0x1412ee0, 
    mutex=<optimized out>) at forward.c:149
#3  0x4248cb6c in g_cond_wait (cond=cond@entry=0x14165e8, 
    mutex=mutex@entry=0x14165dc)
    at /build/buildd/glib2.0-2.38.0/./glib/gthread-posix.c:759
#4  0x46303284 in gst_queue_loop (pad=<optimized out>) at gstqueue.c:1236
#5  0x4258b396 in gst_task_func (task=0x45319c18) at gsttask.c:316
#6  0x42479d3e in g_thread_pool_thread_proxy (data=<optimized out>)
    at /build/buildd/glib2.0-2.38.0/./glib/gthreadpool.c:309
#7  0x424795f2 in g_thread_proxy (data=0x13bb120)
    at /build/buildd/glib2.0-2.38.0/./glib/gthread.c:798
#8  0x42a72e64 in start_thread (arg=0x56b07460) at pthread_create.c:313
#9  0x41bedc28 in ?? ()
    at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:96
   from /lib/arm-linux-gnueabihf/libc.so.6
#10 0x41bedc28 in ?? ()
    at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:96
   from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 14 (Thread 0x4dc6c460 (LWP 21499)):
#0  0x41be52b4 in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x46513226 in poll (__timeout=9, __nfds=2, __fds=0x49e0b120)
    at /usr/include/arm-linux-gnueabihf/bits/poll2.h:46
#2  poll_func (ufds=0x49e0b120, nfds=2, timeout=9, userdata=0x12ed3a8)
    at pulse/thread-mainloop.c:69
#3  0x46509014 in pa_mainloop_poll (m=m@entry=0x12ed2f8)
    at pulse/mainloop.c:850
#4  0x465094f0 in pa_mainloop_iterate (m=m@entry=0x12ed2f8, 
    block=block@entry=1, retval=retval@entry=0x0) at pulse/mainloop.c:932
#5  0x46509578 in pa_mainloop_run (m=0x12ed2f8, retval=retval@entry=0x0)
    at pulse/mainloop.c:950
#6  0x465131fc in thread (userdata=0x12ed2d8) at pulse/thread-mainloop.c:88
#7  0x46829040 in internal_thread_func (userdata=0x1356b38)
    at pulsecore/thread-posix.c:83
#8  0x42a72e64 in start_thread (arg=0x4dc6c460) at pthread_create.c:313
#9  0x41bedc28 in ?? ()
    at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:96
   from /lib/arm-linux-gnueabihf/libc.so.6
Cannot access memory at address 0x0
#10 0x41bedc28 in ?? ()
    at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:96
   from /lib/arm-linux-gnueabihf/libc.so.6
Cannot access memory at address 0x0
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 13 (Thread 0x56307460 (LWP 21508)):
#0  __libc_do_syscall ()
    at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0x42a75d72 in __pthread_cond_wait (cond=0x13e5ee0, mutex=0x13e5ec0)
    at pthread_cond_wait.c:155
#2  0x41bf698a in __pthread_cond_wait (cond=cond@entry=0x13e5ee0, 
    mutex=<optimized out>) at forward.c:149
#3  0x4248cb6c in g_cond_wait (cond=cond@entry=0x1416398, 
    mutex=mutex@entry=0x141638c)
    at /build/buildd/glib2.0-2.38.0/./glib/gthread-posix.c:759
#4  0x46303284 in gst_queue_loop (pad=<optimized out>) at gstqueue.c:1236
#5  0x4258b396 in gst_task_func (task=0x45319ac8) at gsttask.c:316
#6  0x42479d3e in g_thread_pool_thread_proxy (data=<optimized out>)
    at /build/buildd/glib2.0-2.38.0/./glib/gthreadpool.c:309
#7  0x424795f2 in g_thread_proxy (data=0x13a18c0)
    at /build/buildd/glib2.0-2.38.0/./glib/gthread.c:798
#8  0x42a72e64 in start_thread (arg=0x56307460) at pthread_create.c:313
#9  0x41bedc28 in ?? ()
    at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:96
   from /lib/arm-linux-gnueabihf/libc.so.6
#10 0x41bedc28 in ?? ()
    at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:96
   from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 12 (Thread 0x4d2ff460 (LWP 21498)):
#0  __libc_do_syscall ()
    at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0x42a75d72 in __pthread_cond_wait (cond=0x49597e68, mutex=0x49597e48)
    at pthread_cond_wait.c:155
#2  0x41bf698a in __pthread_cond_wait (cond=cond@entry=0x49597e68, 
    mutex=<optimized out>) at forward.c:149
#3  0x4248cb6c in g_cond_wait (cond=<optimized out>, mutex=0x129b2f8)
    at /build/buildd/glib2.0-2.38.0/./glib/gthread-posix.c:759
#4  0x426084d4 in _gst_data_queue_wait_non_empty (queue=queue@entry=0x129b330)
    at gstdataqueue.c:551
#5  0x4260961c in gst_data_queue_pop (queue=0x129b330, 
    item=item@entry=0x4d2fecfc) at gstdataqueue.c:593
#6  0x46300432 in gst_multi_queue_loop (pad=<optimized out>)
    at gstmultiqueue.c:1211
#7  0x4258b396 in gst_task_func (task=0x13eceb8) at gsttask.c:316
#8  0x42479d3e in g_thread_pool_thread_proxy (data=<optimized out>)
    at /build/buildd/glib2.0-2.38.0/./glib/gthreadpool.c:309
#9  0x424795f2 in g_thread_proxy (data=0x49559320)
    at /build/buildd/glib2.0-2.38.0/./glib/gthread.c:798
#10 0x42a72e64 in start_thread (arg=0x4d2ff460) at pthread_create.c:313
#11 0x41bedc28 in ?? ()
    at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:96
   from /lib/arm-linux-gnueabihf/libc.so.6
#12 0x41bedc28 in ?? ()
    at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:96
   from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 11 (Thread 0x4caff460 (LWP 21497)):
#0  __libc_do_syscall ()
    at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0x42a75d72 in __pthread_cond_wait (cond=0x4530aef0, mutex=0x45302530)
    at pthread_cond_wait.c:155
#2  0x41bf698a in __pthread_cond_wait (cond=<optimized out>, 
    mutex=<optimized out>) at forward.c:149
#3  0x4649e816 in ?? ()
#4  0x4649e816 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 10 (Thread 0x4baff460 (LWP 21496)):
#0  __libc_do_syscall ()
    at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0x42a75d72 in __pthread_cond_wait (cond=0x13b09b8, mutex=0x13ed000)
    at pthread_cond_wait.c:155
#2  0x41bf698a in __pthread_cond_wait (cond=cond@entry=0x13b09b8, 
    mutex=<optimized out>) at forward.c:149
#3  0x4248cb6c in g_cond_wait (cond=cond@entry=0x13ec86c, 
    mutex=mutex@entry=0x13ec834)
    at /build/buildd/glib2.0-2.38.0/./glib/gthread-posix.c:759
#4  0x4258b4c4 in gst_task_func (task=0x13ec828) at gsttask.c:301
#5  0x42479d3e in g_thread_pool_thread_proxy (data=<optimized out>)
    at /build/buildd/glib2.0-2.38.0/./glib/gthreadpool.c:309
#6  0x424795f2 in g_thread_proxy (data=0x13c8750)
    at /build/buildd/glib2.0-2.38.0/./glib/gthread.c:798
#7  0x42a72e64 in start_thread (arg=0x4baff460) at pthread_create.c:313
#8  0x41bedc28 in ?? ()
    at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:96
   from /lib/arm-linux-gnueabihf/libc.so.6
#9  0x41bedc28 in ?? ()
    at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:96
   from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 9 (Thread 0x4aeff460 (LWP 21485)):
#0  __libc_do_syscall ()
    at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0x42a75d72 in __pthread_cond_wait (cond=0x48b007e0, mutex=0x48b007c4)
    at pthread_cond_wait.c:155
#2  0x41bf698a in __pthread_cond_wait (cond=<optimized out>, 
    mutex=<optimized out>) at forward.c:149
#3  0x40f6c5ae in ?? () from /usr/lib/arm-linux-gnueabihf/libQt5WebKit.so.5
#4  0x40f6c5ae in ?? () from /usr/lib/arm-linux-gnueabihf/libQt5WebKit.so.5
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 8 (Thread 0x4a6ff460 (LWP 21484)):
#0  0x41be52b4 in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x4245fd8e in g_main_context_poll (priority=2147483647, n_fds=2, 
    fds=0x13ba0a8, timeout=134672, context=0x1275848)
    at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:4006
#2  g_main_context_iterate (context=context@entry=0x1275848, 
    block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3707
#3  0x4245fe30 in g_main_context_iteration (context=0x1275848, may_block=1)
    at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3773
#4  0x41a108ba in QEventDispatcherGlib::processEvents (this=0x126fbc8, 
    flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x419e0d5c in QEventLoop::exec (this=this@entry=0x4a6feda0, 
    flags=flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x418e29d6 in QThread::exec (this=<optimized out>)
    at thread/qthread.cpp:506
#7  0x418e51ce in QThreadPrivate::start (arg=0x126e138)
    at thread/qthread_unix.cpp:333
#8  0x42a72e64 in start_thread (arg=0x4a6ff460) at pthread_create.c:313
#9  0x41bedc28 in ?? ()
    at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:96
   from /lib/arm-linux-gnueabihf/libc.so.6
#10 0x41bedc28 in ?? ()
    at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:96
   from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 7 (Thread 0x49dff460 (LWP 21483)):
#0  0x41be52b4 in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x4245fd8e in g_main_context_poll (priority=2147483647, n_fds=1, 
    fds=0x49e02178, timeout=9983, context=0x49e004d8)
    at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:4006
#2  g_main_context_iterate (context=context@entry=0x49e004d8, 
    block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3707
#3  0x4245fe30 in g_main_context_iteration (context=0x49e004d8, may_block=1)
    at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3773
#4  0x41a108d0 in QEventDispatcherGlib::processEvents (this=0x49e00468, 
    flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x419e0d5c in QEventLoop::exec (this=this@entry=0x49dfeda0, 
    flags=flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x418e29d6 in QThread::exec (this=<optimized out>)
    at thread/qthread.cpp:506
#7  0x418e51ce in QThreadPrivate::start (arg=0x12523f8)
    at thread/qthread_unix.cpp:333
#8  0x42a72e64 in start_thread (arg=0x49dff460) at pthread_create.c:313
#9  0x41bedc28 in ?? ()
    at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:96
   from /lib/arm-linux-gnueabihf/libc.so.6
#10 0x41bedc28 in ?? ()
    at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:96
   from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 6 (Thread 0x493a1460 (LWP 21482)):
#0  0x41be52b4 in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x4245fd8e in g_main_context_poll (priority=2147483647, n_fds=2, 
    fds=0x49507f60, timeout=-1, context=0x495004d8)
    at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:4006
#2  g_main_context_iterate (context=context@entry=0x495004d8, 
    block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3707
#3  0x4245fe30 in g_main_context_iteration (context=0x495004d8, may_block=1)
    at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3773
#4  0x41a108ba in QEventDispatcherGlib::processEvents (this=0x49500468, 
    flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x419e0d5c in QEventLoop::exec (this=this@entry=0x493a0da0, 
    flags=flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x418e29d6 in QThread::exec (this=<optimized out>)
    at thread/qthread.cpp:506
#7  0x418e51ce in QThreadPrivate::start (arg=0x12328c0)
    at thread/qthread_unix.cpp:333
#8  0x42a72e64 in start_thread (arg=0x493a1460) at pthread_create.c:313
#9  0x41bedc28 in ?? ()
    at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:96
   from /lib/arm-linux-gnueabihf/libc.so.6
#10 0x41bedc28 in ?? ()
    at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:96
   from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 5 (Thread 0x482a1460 (LWP 21480)):
#0  0x45265fe0 in ?? ()
#1  0x454489b8 in ?? ()
#2  0x454489b8 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 4 (Thread 0x45206460 (LWP 21479)):
#0  0x41bee154 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0x44617cc6 in boost::asio::detail::epoll_reactor::run(bool, boost::asio::detail::op_queue<boost::asio::detail::task_io_service_operation>&) ()
   from /usr/lib/arm-linux-gnueabihf/libmirclient.so.3
#2  0x44619200 in boost::asio::detail::task_io_service::run(boost::system::error_code&) () from /usr/lib/arm-linux-gnueabihf/libmirclient.so.3
#3  0x44616902 in ?? () from /usr/lib/arm-linux-gnueabihf/libmirclient.so.3
#4  0x44616902 in ?? () from /usr/lib/arm-linux-gnueabihf/libmirclient.so.3
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 3 (Thread 0x48aa1460 (LWP 21481)):
#0  __libc_do_syscall ()
    at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
#1  0x42a75d72 in __pthread_cond_wait (cond=0x414c0058, mutex=0x414c0040)
    at pthread_cond_wait.c:155
#2  0x41bf698a in __pthread_cond_wait (cond=<optimized out>, 
    mutex=<optimized out>) at forward.c:149
#3  0x4111e2a4 in ?? () from /usr/lib/arm-linux-gnueabihf/libQt5WebKit.so.5
#4  0x4111e2a4 in ?? () from /usr/lib/arm-linux-gnueabihf/libQt5WebKit.so.5
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 2 (Thread 0x57c07460 (LWP 21771)):
#0  0x425077fc in type_node_check_conformities_UorL (have_lock=0, 
    support_prerequisites=0, support_interfaces=1, iface_node=0x11f9af4, 
    node=0x1277b98) at /build/buildd/glib2.0-2.38.0/./gobject/gtype.c:3444
#1  type_node_conforms_to_U (support_prerequisites=0, support_interfaces=1, 
    iface_node=0x11f9af4, node=0x1277b98)
    at /build/buildd/glib2.0-2.38.0/./gobject/gtype.c:3489
#2  g_type_check_instance_is_a (type_instance=type_instance@entry=0x129ac08, 
    iface_type=iface_type@entry=80)
    at /build/buildd/glib2.0-2.38.0/./gobject/gtype.c:3975
#3  0x424f1f78 in g_object_ref (_object=_object@entry=0x129ac08)
    at /build/buildd/glib2.0-2.38.0/./gobject/gobject.c:3057
#4  0x4253cc14 in gst_object_ref (object=object@entry=0x129ac08)
    at gstobject.c:249
#5  0x42563f08 in gst_memory_init (mem=mem@entry=0x1453b80, 
    flags=flags@entry=(GST_MEMORY_FLAG_READONLY | unknown: 1), 
    allocator=0x129ac08, parent=parent@entry=0x1610258, 
    maxsize=maxsize@entry=318468, align=align@entry=7, 
    offset=offset@entry=16724, size=size@entry=260) at gstmemory.c:125
#6  0x4253e68c in _sysmem_init (notify=0x0, user_data=0x0, size=260, 
    offset=16724, align=7, maxsize=318468, data=0x16102a8, slice_size=76, 
    parent=0x1610258, flags=(GST_MEMORY_FLAG_READONLY | unknown: 1), 
    mem=0x1453b80) at gstallocator.c:372
#7  _sysmem_new (notify=0x0, user_data=0x0, size=260, offset=16724, align=7, 
    maxsize=318468, data=0x16102a8, parent=0x1610258, 
    flags=(GST_MEMORY_FLAG_READONLY | unknown: 1)) at gstallocator.c:393
#8  _sysmem_share (mem=<optimized out>, offset=<optimized out>, size=260)
    at gstallocator.c:483
#9  0x4254685a in gst_buffer_copy_into (dest=0x45304f20, 
    src=src@entry=0x13ee8d8, 
    flags=flags@entry=(GST_BUFFER_COPY_FLAGS | GST_BUFFER_COPY_TIMESTAMPS | GST_BUFFER_COPY_META | GST_BUFFER_COPY_MEMORY), offset=offset@entry=16724, 
    size=size@entry=260) at gstbuffer.c:451
#10 0x42547636 in gst_buffer_copy_region (buffer=buffer@entry=0x13ee8d8, 
    flags=flags@entry=(GST_BUFFER_COPY_FLAGS | GST_BUFFER_COPY_TIMESTAMPS | GST_BUFFER_COPY_META | GST_BUFFER_COPY_MEMORY), offset=offset@entry=16724, 
    size=size@entry=260) at gstbuffer.c:1799
#11 0x425e2654 in gst_adapter_take_buffer (adapter=0x12e8e28, nbytes=260)
    at gstadapter.c:856
#12 0x46433162 in gst_qtdemux_chain (sinkpad=<optimized out>, 
    parent=<optimized out>, inbuf=<optimized out>) at qtdemux.c:4917
#13 0x42567904 in gst_pad_chain_data_unchecked (data=0x13ee8d8, type=4112, 
    pad=0x144ba90) at gstpad.c:3711
#14 gst_pad_push_data (pad=0x144b948, type=type@entry=4112, 
    data=<optimized out>, data@entry=0x13ee8d8) at gstpad.c:3941
#15 0x4256d07a in gst_pad_push (pad=<optimized out>, 
    buffer=buffer@entry=0x13ee8d8) at gstpad.c:4044
#16 0x4630fb88 in stop_typefinding (typefind=typefind@entry=0x13ea158)
    at gsttypefindelement.c:583
#17 0x4630fe1c in gst_type_find_element_chain_do_typefinding (
    typefind=typefind@entry=0x13ea158, check_avail=check_avail@entry=1)
    at gsttypefindelement.c:902
#18 0x46310b5a in gst_type_find_element_chain (pad=<optimized out>, 
    parent=0x13ea158, buffer=0x13ee8d8) at gsttypefindelement.c:833
#19 0x42567904 in gst_pad_chain_data_unchecked (data=0x13ee8d8, type=4112, 
    pad=0x144b800) at gstpad.c:3711
#20 gst_pad_push_data (pad=pad@entry=0x1443a88, type=type@entry=4112, 
    data=<optimized out>, data@entry=0x13ee8d8) at gstpad.c:3941
#21 0x4256d07a in gst_pad_push (pad=pad@entry=0x1443a88, 
    buffer=buffer@entry=0x13ee8d8) at gstpad.c:4044
#22 0x4255d062 in gst_proxy_pad_chain_default (pad=<optimized out>, 
    parent=<optimized out>, buffer=0x13ee8d8) at gstghostpad.c:128
#23 0x42567904 in gst_pad_chain_data_unchecked (data=0x13ee8d8, type=4112, 
    pad=0x14188f0) at gstpad.c:3711
#24 gst_pad_push_data (pad=pad@entry=0x1418788, type=type@entry=4112, 
    data=<optimized out>, data@entry=0x13ee8d8) at gstpad.c:3941
#25 0x4256d07a in gst_pad_push (pad=pad@entry=0x1418788, 
    buffer=buffer@entry=0x13ee8d8) at gstpad.c:4044
#26 0x4255d062 in gst_proxy_pad_chain_default (pad=<optimized out>, 
    parent=<optimized out>, buffer=0x13ee8d8) at gstghostpad.c:128
#27 0x42567904 in gst_pad_chain_data_unchecked (data=0x13ee8d8, type=4112, 
    pad=0x1443930) at gstpad.c:3711
#28 gst_pad_push_data (pad=pad@entry=0x144b6b8, type=type@entry=4112, 
    data=<optimized out>) at gstpad.c:3941
#29 0x4256d07a in gst_pad_push (pad=pad@entry=0x144b6b8, 
    buffer=<optimized out>) at gstpad.c:4044
#30 0x425fa4ca in gst_base_src_loop (pad=0x144b6b8) at gstbasesrc.c:2779
#31 0x4258b396 in gst_task_func (task=0x13ec8d0) at gsttask.c:316
#32 0x42479d3e in g_thread_pool_thread_proxy (data=<optimized out>)
    at /build/buildd/glib2.0-2.38.0/./glib/gthreadpool.c:309
#33 0x424795f2 in g_thread_proxy (data=0x1371f50)
    at /build/buildd/glib2.0-2.38.0/./glib/gthread.c:798
#34 0x42a72e64 in start_thread (arg=0x57c07460) at pthread_create.c:313
#35 0x41bedc28 in ?? ()
    at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:96
   from /lib/arm-linux-gnueabihf/libc.so.6
#36 0x41bedc28 in ?? ()
    at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:96
   from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 1 (Thread 0x58cb4460 (LWP 21772)):
#0  __libc_do_syscall ()
    at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:44
#1  0x41b825fe in __GI_raise (sig=sig@entry=6)
    at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#2  0x41b84e1a in __GI_abort () at abort.c:90
#3  0x4541b002 in ?? ()
#4  0x4541b002 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)