Application: kdenlive (17.04.2)

Qt Version: 5.7.1
Frameworks Version: 5.36.0
Operating System: Linux 4.12.14-300.fc26.x86_64 x86_64
Distribution: "Fedora release 26 (Twenty Six)"

-- Information about the crash:
- What I was doing when the application crashed:
Kdenlive crashes everytime I try to add a videoclip.
I attach drkonqi crashreport

The crash can be reproduced every time.

-- Backtrace:
Application: Kdenlive (kdenlive), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
__lll_lock_wait () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
135	2:	movl	%edx, %eax
[Current thread is 1 (Thread 0x7fb54ac29940 (LWP 9780))]

Thread 19 (Thread 0x7fb506b8c700 (LWP 9863)):
#0  0x00007fb557b1790b in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55953024b37c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fb557b1790b in __pthread_cond_wait_common (abstime=0x0, mutex=0x55953024ba80, cond=0x55953024b350) at pthread_cond_wait.c:502
#2  0x00007fb557b1790b in __pthread_cond_wait (cond=0x55953024b350, mutex=0x55953024ba80) at pthread_cond_wait.c:655
#3  0x00007fb54f927158 in pa_threaded_mainloop_wait (m=0x5595302668d0) at pulse/thread-mainloop.c:215
#4  0x00007fb4db97bbb1 in gst_pulsering_wait_for_stream_ready (psink=psink@entry=0x559530234ad0 [GstPulseSink], stream=stream@entry=0x7fb4c8020000) at pulsesink.c:869
#5  0x00007fb4db97dd6b in gst_pulsesink_create_probe_stream (psink=psink@entry=0x559530234ad0 [GstPulseSink], pbuf=pbuf@entry=0x5595301fc850 [GstPulseRingBuffer], format=format@entry=0x7fb4c801d9e0) at pulsesink.c:2098
#6  0x00007fb4db9825d4 in gst_pulsesink_query_getcaps (filter=0x0, psink=0x559530234ad0 [GstPulseSink]) at pulsesink.c:2160
#7  0x00007fb4db9825d4 in gst_pulsesink_query (sink=0x559530234ad0 [GstPulseSink], query=0x7fb4c801c0f0) at pulsesink.c:3178
#8  0x00007fb5537983f8 in gst_pad_query (pad=pad@entry=0x5595301f82a0 [GstPad], query=query@entry=0x7fb4c801c0f0) at gstpad.c:3950
#9  0x00007fb553798a22 in gst_pad_peer_query (pad=pad@entry=0x5595301f8960 [GstPad], query=query@entry=0x7fb4c801c0f0) at gstpad.c:4082
#10 0x00007fb5537d3aec in gst_pad_peer_query_caps (pad=pad@entry=0x5595301f8960 [GstPad], filter=filter@entry=0x0) at gstutils.c:3025
#11 0x00007fb553a903ee in gst_base_transform_query_caps (filter=0x0, pad=0x5595301f8060 [GstPad], trans=0x55953023c730 [GstVolume]) at gstbasetransform.c:669
#12 0x00007fb553a903ee in gst_base_transform_default_query (trans=0x55953023c730 [GstVolume], direction=<optimized out>, query=0x7fb4c801c0a0) at gstbasetransform.c:1532
#13 0x00007fb5537983f8 in gst_pad_query (pad=pad@entry=0x5595301f8060 [GstPad], query=query@entry=0x7fb4c801c0a0) at gstpad.c:3950
#14 0x00007fb553798a22 in gst_pad_peer_query (pad=pad@entry=0x5595301f9260 [GstPad], query=query@entry=0x7fb4c801c0a0) at gstpad.c:4082
#15 0x00007fb5537d3aec in gst_pad_peer_query_caps (pad=pad@entry=0x5595301f9260 [GstPad], filter=filter@entry=0x0) at gstutils.c:3025
#16 0x00007fb553a903ee in gst_base_transform_query_caps (filter=0x0, pad=0x5595301f9020 [GstPad], trans=0x559530248d30 [GstAudioResample]) at gstbasetransform.c:669
#17 0x00007fb553a903ee in gst_base_transform_default_query (trans=0x559530248d30 [GstAudioResample], direction=<optimized out>, query=0x7fb4c801c050) at gstbasetransform.c:1532
#18 0x00007fb5537983f8 in gst_pad_query (pad=pad@entry=0x5595301f9020 [GstPad], query=query@entry=0x7fb4c801c050) at gstpad.c:3950
#19 0x00007fb553798a22 in gst_pad_peer_query (pad=pad@entry=0x5595301f8720 [GstPad], query=query@entry=0x7fb4c801c050) at gstpad.c:4082
#20 0x00007fb5537d3aec in gst_pad_peer_query_caps (pad=pad@entry=0x5595301f8720 [GstPad], filter=filter@entry=0x0) at gstutils.c:3025
#21 0x00007fb553a903ee in gst_base_transform_query_caps (filter=0x0, pad=0x5595301f84e0 [GstPad], trans=0x5595302340f0 [GstAudioConvert]) at gstbasetransform.c:669
#22 0x00007fb553a903ee in gst_base_transform_default_query (trans=0x5595302340f0 [GstAudioConvert], direction=<optimized out>, query=0x7fb4c8017ca0) at gstbasetransform.c:1532
#23 0x00007fb5537983f8 in gst_pad_query (pad=pad@entry=0x5595301f84e0 [GstPad], query=query@entry=0x7fb4c8017ca0) at gstpad.c:3950
#24 0x00007fb553798a22 in gst_pad_peer_query (pad=pad@entry=0x5595301f8de0 [GstPad], query=0x7fb4c8017ca0) at gstpad.c:4082
#25 0x00007fb5537ce278 in query_caps_func (pad=pad@entry=0x5595301f8de0 [GstPad], data=data@entry=0x7fb506b89770) at gstutils.c:2695
#26 0x00007fb553796f9e in gst_pad_forward (pad=pad@entry=0x5595301f8ba0 [GstPad], forward=forward@entry=0x7fb5537ce250 <query_caps_func>, user_data=user_data@entry=0x7fb506b89770) at gstpad.c:2946
#27 0x00007fb5537d0d1a in gst_pad_proxy_query_caps (pad=pad@entry=0x5595301f8ba0 [GstPad], query=query@entry=0x7fb4c8017ca0) at gstutils.c:2745
#28 0x00007fb5537972e0 in gst_pad_query_caps_default (query=0x7fb4c8017ca0, pad=0x5595301f8ba0 [GstPad]) at gstpad.c:3125
#29 0x00007fb5537972e0 in gst_pad_query_default (pad=0x5595301f8ba0 [GstPad], parent=<optimized out>, query=0x7fb4c8017ca0) at gstpad.c:3357
#30 0x00007fb4d2ef605d in gst_queue_handle_sink_query (pad=<optimized out>, parent=0x559530242160 [GstQueue], query=0x7fb4c8017ca0) at gstqueue.c:1060
#31 0x00007fb5537983f8 in gst_pad_query (pad=pad@entry=0x5595301f8ba0 [GstPad], query=query@entry=0x7fb4c8017ca0) at gstpad.c:3950
#32 0x00007fb553798a22 in gst_pad_peer_query (pad=pad@entry=0x559530250120 [GstProxyPad], query=0x7fb4c8017ca0) at gstpad.c:4082
#33 0x00007fb5537ce278 in query_caps_func (pad=pad@entry=0x559530250120 [GstProxyPad], data=data@entry=0x7fb506b89ab0) at gstutils.c:2695
#34 0x00007fb553796f9e in gst_pad_forward (pad=pad@entry=0x55953024e060 [GstGhostPad], forward=forward@entry=0x7fb5537ce250 <query_caps_func>, user_data=user_data@entry=0x7fb506b89ab0) at gstpad.c:2946
#35 0x00007fb5537d0d1a in gst_pad_proxy_query_caps (pad=pad@entry=0x55953024e060 [GstGhostPad], query=query@entry=0x7fb4c8017ca0) at gstutils.c:2745
#36 0x00007fb5537972e0 in gst_pad_query_caps_default (query=0x7fb4c8017ca0, pad=0x55953024e060 [GstGhostPad]) at gstpad.c:3125
#37 0x00007fb5537972e0 in gst_pad_query_default (pad=0x55953024e060 [GstGhostPad], parent=<optimized out>, query=0x7fb4c8017ca0) at gstpad.c:3357
#38 0x00007fb5537983f8 in gst_pad_query (pad=pad@entry=0x55953024e060 [GstGhostPad], query=query@entry=0x7fb4c8017ca0) at gstpad.c:3950
#39 0x00007fb553798a22 in gst_pad_peer_query (pad=pad@entry=0x559530250800 [GstTeePad], query=0x7fb4c8017ca0) at gstpad.c:4082
#40 0x00007fb5537ce278 in query_caps_func (pad=pad@entry=0x559530250800 [GstTeePad], data=data@entry=0x7fb506b89d90) at gstutils.c:2695
#41 0x00007fb553796f9e in gst_pad_forward (pad=pad@entry=0x5595301f94a0 [GstPad], forward=forward@entry=0x7fb5537ce250 <query_caps_func>, user_data=user_data@entry=0x7fb506b89d90) at gstpad.c:2946
#42 0x00007fb5537d0d1a in gst_pad_proxy_query_caps (pad=pad@entry=0x5595301f94a0 [GstPad], query=query@entry=0x7fb4c8017ca0) at gstutils.c:2745
#43 0x00007fb5537972e0 in gst_pad_query_caps_default (query=0x7fb4c8017ca0, pad=0x5595301f94a0 [GstPad]) at gstpad.c:3125
#44 0x00007fb5537972e0 in gst_pad_query_default (pad=0x5595301f94a0 [GstPad], parent=<optimized out>, query=0x7fb4c8017ca0) at gstpad.c:3357
#45 0x00007fb5537983f8 in gst_pad_query (pad=pad@entry=0x5595301f94a0 [GstPad], query=query@entry=0x7fb4c8017ca0) at gstpad.c:3950
#46 0x00007fb553798a22 in gst_pad_peer_query (pad=pad@entry=0x5595301f9b60 [GstPad], query=0x7fb4c8017ca0) at gstpad.c:4082
#47 0x00007fb5537ce278 in query_caps_func (pad=pad@entry=0x5595301f9b60 [GstPad], data=data@entry=0x7fb506b8a070) at gstutils.c:2695
#48 0x00007fb553796f9e in gst_pad_forward (pad=pad@entry=0x5595301f9920 [GstPad], forward=forward@entry=0x7fb5537ce250 <query_caps_func>, user_data=user_data@entry=0x7fb506b8a070) at gstpad.c:2946
#49 0x00007fb5537d0d1a in gst_pad_proxy_query_caps (pad=pad@entry=0x5595301f9920 [GstPad], query=query@entry=0x7fb4c8017ca0) at gstutils.c:2745
#50 0x00007fb5537972e0 in gst_pad_query_caps_default (query=0x7fb4c8017ca0, pad=0x5595301f9920 [GstPad]) at gstpad.c:3125
#51 0x00007fb5537972e0 in gst_pad_query_default (pad=0x5595301f9920 [GstPad], parent=<optimized out>, query=0x7fb4c8017ca0) at gstpad.c:3357
#52 0x00007fb4d2ef605d in gst_queue_handle_sink_query (pad=<optimized out>, parent=0x559530242460 [GstQueue], query=0x7fb4c8017ca0) at gstqueue.c:1060
#53 0x00007fb5537983f8 in gst_pad_query (pad=pad@entry=0x5595301f9920 [GstPad], query=query@entry=0x7fb4c8017ca0) at gstpad.c:3950
#54 0x00007fb553798a22 in gst_pad_peer_query (pad=pad@entry=0x559530250370 [GstProxyPad], query=0x7fb4c8017ca0) at gstpad.c:4082
#55 0x00007fb5537ce278 in query_caps_func (pad=pad@entry=0x559530250370 [GstProxyPad], data=data@entry=0x7fb506b8a3b0) at gstutils.c:2695
#56 0x00007fb553796f9e in gst_pad_forward (pad=pad@entry=0x55953024e2d0 [GstGhostPad], forward=forward@entry=0x7fb5537ce250 <query_caps_func>, user_data=user_data@entry=0x7fb506b8a3b0) at gstpad.c:2946
#57 0x00007fb5537d0d1a in gst_pad_proxy_query_caps (pad=pad@entry=0x55953024e2d0 [GstGhostPad], query=query@entry=0x7fb4c8017ca0) at gstutils.c:2745
#58 0x00007fb5537972e0 in gst_pad_query_caps_default (query=0x7fb4c8017ca0, pad=0x55953024e2d0 [GstGhostPad]) at gstpad.c:3125
#59 0x00007fb5537972e0 in gst_pad_query_default (pad=0x55953024e2d0 [GstGhostPad], parent=<optimized out>, query=0x7fb4c8017ca0) at gstpad.c:3357
#60 0x00007fb5537983f8 in gst_pad_query (pad=pad@entry=0x55953024e2d0 [GstGhostPad], query=query@entry=0x7fb4c8017ca0) at gstpad.c:3950
#61 0x00007fb5537d14dc in gst_pad_query_caps (pad=pad@entry=0x55953024e2d0 [GstGhostPad], filter=filter@entry=0x0) at gstutils.c:2979
#62 0x00007fb4d2a76112 in autoplug_continue_cb (element=0x55953040c040 [GstURIDecodeBin], pad=0x7fb4c801e050 [GstDecodePad], caps=0x7fb4c8017b70, group=0x559530259d28) at gstplaybin2.c:4498
#63 0x00007fb54e897bde in ffi_call_unix64 () at ../src/x86/unix64.S:76
#64 0x00007fb54e89754f in ffi_call (cif=cif@entry=0x7fb506b8a7c0, fn=fn@entry=0x7fb4d2a75e50 <autoplug_continue_cb>, rvalue=<optimized out>, avalue=avalue@entry=0x7fb506b8a6d0) at ../src/x86/ffi64.c:525
#69 0x00007fb552978b0f in <emit signal ??? on instance 0x55953040c040 [GstURIDecodeBin]> (instance=instance@entry=0x55953040c040, signal_id=<optimized out>, detail=detail@entry=0) at gsignal.c:3447
    #65 0x00007fb55295db09 in g_cclosure_marshal_generic (closure=0x559530236ba0, return_gvalue=0x7fb506b8a990, n_param_values=<optimized out>, param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=<optimized out>) at gclosure.c:1490
    #66 0x00007fb55295d30d in g_closure_invoke (closure=0x559530236ba0, return_value=0x7fb506b8a990, n_param_values=3, param_values=0x7fb506b8a9f0, invocation_hint=0x7fb506b8a970) at gclosure.c:804
    #67 0x00007fb55296f98e in signal_emit_unlocked_R (node=node@entry=0x559530267740, detail=detail@entry=0, instance=instance@entry=0x55953040c040, emission_return=emission_return@entry=0x7fb506b8ab40, instance_and_params=instance_and_params@entry=0x7fb506b8a9f0) at gsignal.c:3635
    #68 0x00007fb552977b3f in g_signal_emit_valist (instance=0x55953040c040, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fb506b8abf0) at gsignal.c:3401
#70 0x00007fb4d2a58bc3 in proxy_autoplug_continue_signal (decodebin=<optimized out>, pad=<optimized out>, caps=<optimized out>, dec=<optimized out>) at gsturidecodebin.c:1696
#71 0x00007fb54e897bde in ffi_call_unix64 () at ../src/x86/unix64.S:76
#72 0x00007fb54e89754f in ffi_call (cif=cif@entry=0x7fb506b8aee0, fn=fn@entry=0x7fb4d2a58b90 <proxy_autoplug_continue_signal>, rvalue=<optimized out>, avalue=avalue@entry=0x7fb506b8adf0) at ../src/x86/ffi64.c:525
#77 0x00007fb552978b0f in <emit signal ??? on instance 0x559530412190 [GstDecodeBin]> (instance=instance@entry=0x559530412190, signal_id=<optimized out>, detail=detail@entry=0) at gsignal.c:3447
    #73 0x00007fb55295db09 in g_cclosure_marshal_generic (closure=0x559530411b70, return_gvalue=0x7fb506b8b0b0, n_param_values=<optimized out>, param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=<optimized out>) at gclosure.c:1490
    #74 0x00007fb55295d30d in g_closure_invoke (closure=0x559530411b70, return_value=0x7fb506b8b0b0, n_param_values=3, param_values=0x7fb506b8b110, invocation_hint=0x7fb506b8b090) at gclosure.c:804
    #75 0x00007fb55296f98e in signal_emit_unlocked_R (node=node@entry=0x55953040b720, detail=detail@entry=0, instance=instance@entry=0x559530412190, emission_return=emission_return@entry=0x7fb506b8b260, instance_and_params=instance_and_params@entry=0x7fb506b8b110) at gsignal.c:3635
    #76 0x00007fb552977b3f in g_signal_emit_valist (instance=0x559530412190, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fb506b8b310) at gsignal.c:3401
#78 0x00007fb4d2a4f2c1 in analyze_new_pad (dbin=dbin@entry=0x559530412190 [GstDecodeBin], src=src@entry=0x559530414000 [GstTypeFindElement], pad=pad@entry=0x559530260720 [GstPad], caps=caps@entry=0x7fb4c8017b70, chain=<optimized out>, new_chain=new_chain@entry=0x0) at gstdecodebin2.c:1577
#79 0x00007fb4d2a5001d in type_found (typefind=0x559530414000 [GstTypeFindElement], probability=<optimized out>, caps=0x7fb4c8017b70, decode_bin=0x559530412190 [GstDecodeBin]) at gstdecodebin2.c:2862
#80 0x00007fb54e897bde in ffi_call_unix64 () at ../src/x86/unix64.S:76
#81 0x00007fb54e89754f in ffi_call (cif=cif@entry=0x7fb506b8b6e0, fn=fn@entry=0x7fb4d2a4fdf0 <type_found>, rvalue=<optimized out>, avalue=avalue@entry=0x7fb506b8b5f0) at ../src/x86/ffi64.c:525
#86 0x00007fb552978b0f in <emit signal ??? on instance 0x559530414000 [GstTypeFindElement]> (instance=instance@entry=0x559530414000, signal_id=<optimized out>, detail=detail@entry=0) at gsignal.c:3447
    #82 0x00007fb55295db09 in g_cclosure_marshal_generic (closure=0x559530411d60, return_gvalue=0x0, n_param_values=<optimized out>, param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=<optimized out>) at gclosure.c:1490
    #83 0x00007fb55295d30d in g_closure_invoke (closure=0x559530411d60, return_value=0x0, n_param_values=3, param_values=0x7fb506b8b910, invocation_hint=0x7fb506b8b890) at gclosure.c:804
    #84 0x00007fb55296f98e in signal_emit_unlocked_R (node=node@entry=0x559530410f80, detail=detail@entry=0, instance=instance@entry=0x559530414000, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fb506b8b910) at gsignal.c:3635
    #85 0x00007fb5529781a5 in g_signal_emit_valist (instance=0x559530414000, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fb506b8bb10) at gsignal.c:3391
#87 0x00007fb4d2f0862b in gst_type_find_element_emit_have_type (typefind=typefind@entry=0x559530414000 [GstTypeFindElement], probability=<optimized out>, caps=<optimized out>) at gsttypefindelement.c:238
#88 0x00007fb4d2f08a52 in gst_type_find_element_loop (pad=<optimized out>) at gsttypefindelement.c:1169
#89 0x00007fb5537c5819 in gst_task_func (task=0x559530415170 [GstTask]) at gsttask.c:335
#90 0x00007fb5526acf00 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:307
#91 0x00007fb5526ac536 in g_thread_proxy (data=0x5595302679e0) at gthread.c:784
#92 0x00007fb557b1136d in start_thread (arg=0x7fb506b8c700) at pthread_create.c:456
#93 0x00007fb559191bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 18 (Thread 0x7fb540848700 (LWP 9862)):
#0  0x00007fb559185acd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fb54f926b71 in poll (__timeout=30000, __nfds=3, __fds=0x7fb53c0016a0) at /usr/include/bits/poll2.h:46
#2  0x00007fb54f926b71 in poll_func (ufds=0x7fb53c0016a0, nfds=3, timeout=30000, userdata=0x55953024ba80) at pulse/thread-mainloop.c:69
#3  0x00007fb54f918530 in pa_mainloop_poll (m=m@entry=0x5595302495f0) at pulse/mainloop.c:844
#4  0x00007fb54f918bc0 in pa_mainloop_iterate (m=0x5595302495f0, block=<optimized out>, retval=0x0) at pulse/mainloop.c:926
#5  0x00007fb54f918c50 in pa_mainloop_run (m=0x5595302495f0, retval=retval@entry=0x0) at pulse/mainloop.c:944
#6  0x00007fb54f926ab9 in thread (userdata=0x5595302668d0) at pulse/thread-mainloop.c:100
#7  0x00007fb54cefb078 in internal_thread_func (userdata=0x55953024bab0) at pulsecore/thread-posix.c:81
#8  0x00007fb557b1136d in start_thread (arg=0x7fb540848700) at pthread_create.c:456
#9  0x00007fb559191bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 17 (Thread 0x7fb508140700 (LWP 9817)):
[KCrash Handler]
#6  0x00007fb559118a3f in __memmove_sse2_unaligned_erms () at ../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:299
#7  0x00007fb526c7542a in producer_get_audio () at /usr/lib64/mlt/libmltavformat.so
#8  0x00007fb562b953a9 in mlt_frame_get_audio () at /lib64/libmlt.so.6
#9  0x00007fb527094790 in filter_get_audio () at /usr/lib64/mlt/libmltcore.so
#10 0x00007fb562b953a9 in mlt_frame_get_audio () at /lib64/libmlt.so.6
#11 0x00007fb527619fdd in resample_get_audio () at /usr/lib64/mlt/libmltresample.so
#12 0x00007fb562b953a9 in mlt_frame_get_audio () at /lib64/libmlt.so.6
#13 0x00007fb562ba847e in consumer_read_ahead_thread () at /lib64/libmlt.so.6
#14 0x000055952c57fead in RenderThread::run() (this=0x7fb4e80013c0) at /usr/src/debug/kdenlive-17.04.2/src/monitor/glwidget.cpp:1282
#15 0x00007fb559daac9e in QThreadPrivate::start(void*) (arg=0x7fb4e80013c0) at thread/qthread_unix.cpp:368
#16 0x00007fb557b1136d in start_thread (arg=0x7fb508140700) at pthread_create.c:456
#17 0x00007fb559191bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 16 (Thread 0x7fb509d46700 (LWP 9816)):
#0  0x00007fb557b1790b in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55952eb5a568) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fb557b1790b in __pthread_cond_wait_common (abstime=0x0, mutex=0x55952eb5a518, cond=0x55952eb5a540) at pthread_cond_wait.c:502
#2  0x00007fb557b1790b in __pthread_cond_wait (cond=0x55952eb5a540, mutex=0x55952eb5a518) at pthread_cond_wait.c:655
#3  0x00007fb562ba872b in mlt_consumer_rt_frame () at /lib64/libmlt.so.6
#4  0x00007fb51b5fa6e3 in consumer_thread () at /usr/lib64/mlt/libmltsdl.so
#5  0x00007fb557b1136d in start_thread (arg=0x7fb509d46700) at pthread_create.c:456
#6  0x00007fb559191bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 15 (Thread 0x7fb4c1ffe700 (LWP 9802)):
#0  0x00007fb557b17e0a in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fb4c1ffdb30, expected=0, futex_word=0x7fb50c00f830) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fb557b17e0a in __pthread_cond_wait_common (abstime=0x7fb4c1ffdbe0, mutex=0x7fb50c00f7e0, cond=0x7fb50c00f808) at pthread_cond_wait.c:533
#2  0x00007fb557b17e0a in __pthread_cond_timedwait (cond=0x7fb50c00f808, mutex=0x7fb50c00f7e0, abstime=0x7fb4c1ffdbe0) at pthread_cond_wait.c:667
#3  0x00007fb559dab2e3 in QWaitConditionPrivate::wait_relative(unsigned long) (time=30000, this=0x7fb50c00f7e0) at thread/qwaitcondition_unix.cpp:133
#4  0x00007fb559dab2e3 in QWaitConditionPrivate::wait(unsigned long) (time=30000, this=0x7fb50c00f7e0) at thread/qwaitcondition_unix.cpp:141
#5  0x00007fb559dab2e3 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x7fb50c14f140, mutex=mutex@entry=0x55952ed48330, time=30000) at thread/qwaitcondition_unix.cpp:215
#6  0x00007fb559da7d5f in QThreadPoolThread::run() (this=0x7fb50c14f130) at thread/qthreadpool.cpp:133
#7  0x00007fb559daac9e in QThreadPrivate::start(void*) (arg=0x7fb50c14f130) at thread/qthread_unix.cpp:368
#8  0x00007fb557b1136d in start_thread (arg=0x7fb4c1ffe700) at pthread_create.c:456
#9  0x00007fb559191bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 14 (Thread 0x7fb509144700 (LWP 9799)):
#0  0x00007fffe11f0969 in  ()
#1  0x00007fffe11f0c20 in clock_gettime ()
#2  0x00007fb5591a0ca6 in __GI___clock_gettime (clock_id=clock_id@entry=1, tp=tp@entry=0x7fb5091439c0) at ../sysdeps/unix/clock_gettime.c:115
#3  0x00007fb559e41a91 in qt_clock_gettime (ts=0x7fb5091439c0, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:109
#4  0x00007fb559e41a91 in do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:164
#5  0x00007fb559e41a91 in qt_gettime() () at tools/qelapsedtimer_unix.cpp:173
#6  0x00007fb559f9c539 in QTimerInfoList::updateCurrentTime() (this=this@entry=0x7fb4e4002cd0) at kernel/qtimerinfo_unix.cpp:91
#7  0x00007fb559f9c935 in QTimerInfoList::timerWait(timespec&) (this=0x7fb4e4002cd0, tm=...) at kernel/qtimerinfo_unix.cpp:388
#8  0x00007fb559f9db0c in timerSourcePrepareHelper(GTimerSource*, gint*) (src=<optimized out>, timeout=timeout@entry=0x7fb509143aa4) at kernel/qeventdispatcher_glib.cpp:132
#9  0x00007fb559f9dbae in timerSourcePrepare(GSource*, gint*) (source=<optimized out>, timeout=timeout@entry=0x7fb509143aa4) at kernel/qeventdispatcher_glib.cpp:165
#10 0x00007fb552684ac9 in g_main_context_prepare (context=context@entry=0x7fb4e4000990, priority=priority@entry=0x7fb509143b30) at gmain.c:3536
#11 0x00007fb55268549b in g_main_context_iterate (context=context@entry=0x7fb4e4000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3952
#12 0x00007fb55268567c in g_main_context_iteration (context=0x7fb4e4000990, may_block=may_block@entry=1) at gmain.c:4033
#13 0x00007fb559f9de6b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb4e40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#14 0x00007fb559f4e60a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fb509143c70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#15 0x00007fb559da699a in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:507
#16 0x00007fb559daac9e in QThreadPrivate::start(void*) (arg=0x55952fdb6b10) at thread/qthread_unix.cpp:368
#17 0x00007fb557b1136d in start_thread (arg=0x7fb509144700) at pthread_create.c:456
#18 0x00007fb559191bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 13 (Thread 0x7fb50a547700 (LWP 9797)):
#0  0x00007fb5526ca4a9 in g_mutex_lock (mutex=mutex@entry=0x7fb4f4000990) at gthread-posix.c:1336
#1  0x00007fb552685470 in g_main_context_iterate (context=context@entry=0x7fb4f4000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3939
#2  0x00007fb55268567c in g_main_context_iteration (context=0x7fb4f4000990, may_block=may_block@entry=1) at gmain.c:4033
#3  0x00007fb559f9de6b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb4f40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fb559f4e60a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fb50a546c70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fb559da699a in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:507
#6  0x00007fb559daac9e in QThreadPrivate::start(void*) (arg=0x55952fdb1390) at thread/qthread_unix.cpp:368
#7  0x00007fb557b1136d in start_thread (arg=0x7fb50a547700) at pthread_create.c:456
#8  0x00007fb559191bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 12 (Thread 0x7fb518972700 (LWP 9793)):
#0  0x00007fb559185acd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fb552685569 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7fb510003070, timeout=<optimized out>, context=0x7fb510000990) at gmain.c:4271
#2  0x00007fb552685569 in g_main_context_iterate (context=context@entry=0x7fb510000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3967
#3  0x00007fb55268567c in g_main_context_iteration (context=0x7fb510000990, may_block=may_block@entry=1) at gmain.c:4033
#4  0x00007fb559f9de6b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb5100008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fb559f4e60a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fb518971c50, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007fb559da699a in QThread::exec() (this=this@entry=0x55952e64afb0) at thread/qthread.cpp:507
#7  0x00007fb55ddc79b5 in QQmlThreadPrivate::run() (this=0x55952e64afb0) at qml/ftw/qqmlthread.cpp:147
#8  0x00007fb559daac9e in QThreadPrivate::start(void*) (arg=0x55952e64afb0) at thread/qthread_unix.cpp:368
#9  0x00007fb557b1136d in start_thread (arg=0x7fb518972700) at pthread_create.c:456
#10 0x00007fb559191bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 11 (Thread 0x7fb5192eb700 (LWP 9792)):
#0  0x00007fb557b17e0a in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fb5192eab30, expected=0, futex_word=0x55952ea69c40) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fb557b17e0a in __pthread_cond_wait_common (abstime=0x7fb5192eabe0, mutex=0x55952ea69bf0, cond=0x55952ea69c18) at pthread_cond_wait.c:533
#2  0x00007fb557b17e0a in __pthread_cond_timedwait (cond=0x55952ea69c18, mutex=0x55952ea69bf0, abstime=0x7fb5192eabe0) at pthread_cond_wait.c:667
#3  0x00007fb559dab2e3 in QWaitConditionPrivate::wait_relative(unsigned long) (time=30000, this=0x55952ea69bf0) at thread/qwaitcondition_unix.cpp:133
#4  0x00007fb559dab2e3 in QWaitConditionPrivate::wait(unsigned long) (time=30000, this=0x55952ea69bf0) at thread/qwaitcondition_unix.cpp:141
#5  0x00007fb559dab2e3 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x55952ea875c0, mutex=mutex@entry=0x55952ed48330, time=30000) at thread/qwaitcondition_unix.cpp:215
#6  0x00007fb559da7d5f in QThreadPoolThread::run() (this=0x55952ea875b0) at thread/qthreadpool.cpp:133
#7  0x00007fb559daac9e in QThreadPrivate::start(void*) (arg=0x55952ea875b0) at thread/qthread_unix.cpp:368
#8  0x00007fb557b1136d in start_thread (arg=0x7fb5192eb700) at pthread_create.c:456
#9  0x00007fb559191bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 10 (Thread 0x7fb51abbf700 (LWP 9791)):
#0  0x00007fb559185acd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fb552685569 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7fb514002e70, timeout=<optimized out>, context=0x7fb514000990) at gmain.c:4271
#2  0x00007fb552685569 in g_main_context_iterate (context=context@entry=0x7fb514000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3967
#3  0x00007fb55268567c in g_main_context_iteration (context=0x7fb514000990, may_block=may_block@entry=1) at gmain.c:4033
#4  0x00007fb559f9de6b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb5140008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fb559f4e60a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fb51abbec50, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007fb559da699a in QThread::exec() (this=this@entry=0x55952eb26660) at thread/qthread.cpp:507
#7  0x00007fb55ddc79b5 in QQmlThreadPrivate::run() (this=0x55952eb26660) at qml/ftw/qqmlthread.cpp:147
#8  0x00007fb559daac9e in QThreadPrivate::start(void*) (arg=0x55952eb26660) at thread/qthread_unix.cpp:368
#9  0x00007fb557b1136d in start_thread (arg=0x7fb51abbf700) at pthread_create.c:456
#10 0x00007fb559191bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 9 (Thread 0x7fb531fa8700 (LWP 9790)):
#0  0x00007fb559185acd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fb552685569 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7fb52c0100f0, timeout=<optimized out>, context=0x7fb52c000990) at gmain.c:4271
#2  0x00007fb552685569 in g_main_context_iterate (context=context@entry=0x7fb52c000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3967
#3  0x00007fb55268567c in g_main_context_iteration (context=0x7fb52c000990, may_block=may_block@entry=1) at gmain.c:4033
#4  0x00007fb559f9de6b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb52c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fb559f4e60a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fb531fa7c30, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007fb559da699a in QThread::exec() (this=this@entry=0x7fb563cf0060 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:507
#7  0x00007fb563c7da39 in QDBusConnectionManager::run() (this=0x7fb563cf0060 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178
#8  0x00007fb559daac9e in QThreadPrivate::start(void*) (arg=0x7fb563cf0060 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:368
#9  0x00007fb557b1136d in start_thread (arg=0x7fb531fa8700) at pthread_create.c:456
#10 0x00007fb559191bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 8 (Thread 0x7fb532c3e700 (LWP 9789)):
#0  0x00007fb557b1790b in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55952dcde9a4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fb557b1790b in __pthread_cond_wait_common (abstime=0x0, mutex=0x55952dcde950, cond=0x55952dcde978) at pthread_cond_wait.c:502
#2  0x00007fb557b1790b in __pthread_cond_wait (cond=0x55952dcde978, mutex=0x55952dcde950) at pthread_cond_wait.c:655
#3  0x00007fb53963e6ab in cnd_wait (mtx=0x55952dcde950, cond=0x55952dcde978) at ../../include/c11/threads_posix.h:159
#4  0x00007fb53963e6ab in util_queue_thread_func (input=input@entry=0x55952dcdf530) at u_queue.c:158
#5  0x00007fb53963e3e7 in impl_thrd_routine (p=<optimized out>) at ../../include/c11/threads_posix.h:87
#6  0x00007fb557b1136d in start_thread (arg=0x7fb532c3e700) at pthread_create.c:456
#7  0x00007fb559191bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 7 (Thread 0x7fb53343f700 (LWP 9788)):
#0  0x00007fb557b1790b in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55952dcde9a4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fb557b1790b in __pthread_cond_wait_common (abstime=0x0, mutex=0x55952dcde950, cond=0x55952dcde978) at pthread_cond_wait.c:502
#2  0x00007fb557b1790b in __pthread_cond_wait (cond=0x55952dcde978, mutex=0x55952dcde950) at pthread_cond_wait.c:655
#3  0x00007fb53963e6ab in cnd_wait (mtx=0x55952dcde950, cond=0x55952dcde978) at ../../include/c11/threads_posix.h:159
#4  0x00007fb53963e6ab in util_queue_thread_func (input=input@entry=0x55952dcdf720) at u_queue.c:158
#5  0x00007fb53963e3e7 in impl_thrd_routine (p=<optimized out>) at ../../include/c11/threads_posix.h:87
#6  0x00007fb557b1136d in start_thread (arg=0x7fb53343f700) at pthread_create.c:456
#7  0x00007fb559191bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 6 (Thread 0x7fb533c40700 (LWP 9787)):
#0  0x00007fb557b1790b in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55952dcde9a4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fb557b1790b in __pthread_cond_wait_common (abstime=0x0, mutex=0x55952dcde950, cond=0x55952dcde978) at pthread_cond_wait.c:502
#2  0x00007fb557b1790b in __pthread_cond_wait (cond=0x55952dcde978, mutex=0x55952dcde950) at pthread_cond_wait.c:655
#3  0x00007fb53963e6ab in cnd_wait (mtx=0x55952dcde950, cond=0x55952dcde978) at ../../include/c11/threads_posix.h:159
#4  0x00007fb53963e6ab in util_queue_thread_func (input=input@entry=0x55952dcdf530) at u_queue.c:158
#5  0x00007fb53963e3e7 in impl_thrd_routine (p=<optimized out>) at ../../include/c11/threads_posix.h:87
#6  0x00007fb557b1136d in start_thread (arg=0x7fb533c40700) at pthread_create.c:456
#7  0x00007fb559191bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 5 (Thread 0x7fb534441700 (LWP 9786)):
#0  0x00007fb557b1790b in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55952dcde9a0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fb557b1790b in __pthread_cond_wait_common (abstime=0x0, mutex=0x55952dcde950, cond=0x55952dcde978) at pthread_cond_wait.c:502
#2  0x00007fb557b1790b in __pthread_cond_wait (cond=0x55952dcde978, mutex=0x55952dcde950) at pthread_cond_wait.c:655
#3  0x00007fb53963e6ab in cnd_wait (mtx=0x55952dcde950, cond=0x55952dcde978) at ../../include/c11/threads_posix.h:159
#4  0x00007fb53963e6ab in util_queue_thread_func (input=input@entry=0x55952dcda670) at u_queue.c:158
#5  0x00007fb53963e3e7 in impl_thrd_routine (p=<optimized out>) at ../../include/c11/threads_posix.h:87
#6  0x00007fb557b1136d in start_thread (arg=0x7fb534441700) at pthread_create.c:456
#7  0x00007fb559191bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 4 (Thread 0x7fb534e47700 (LWP 9785)):
#0  0x00007fb557b1790b in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55952dcdf5e0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fb557b1790b in __pthread_cond_wait_common (abstime=0x0, mutex=0x55952dcdf590, cond=0x55952dcdf5b8) at pthread_cond_wait.c:502
#2  0x00007fb557b1790b in __pthread_cond_wait (cond=0x55952dcdf5b8, mutex=0x55952dcdf590) at pthread_cond_wait.c:655
#3  0x00007fb53963e6ab in cnd_wait (mtx=0x55952dcdf590, cond=0x55952dcdf5b8) at ../../include/c11/threads_posix.h:159
#4  0x00007fb53963e6ab in util_queue_thread_func (input=input@entry=0x55952dcdfb90) at u_queue.c:158
#5  0x00007fb53963e3e7 in impl_thrd_routine (p=<optimized out>) at ../../include/c11/threads_posix.h:87
#6  0x00007fb557b1136d in start_thread (arg=0x7fb534e47700) at pthread_create.c:456
#7  0x00007fb559191bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 3 (Thread 0x7fb53599b700 (LWP 9784)):
#0  0x00007fb557b1790b in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55952dcd9cc4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fb557b1790b in __pthread_cond_wait_common (abstime=0x0, mutex=0x55952dcd9c70, cond=0x55952dcd9c98) at pthread_cond_wait.c:502
#2  0x00007fb557b1790b in __pthread_cond_wait (cond=0x55952dcd9c98, mutex=0x55952dcd9c70) at pthread_cond_wait.c:655
#3  0x00007fb53963e6ab in cnd_wait (mtx=0x55952dcd9c70, cond=0x55952dcd9c98) at ../../include/c11/threads_posix.h:159
#4  0x00007fb53963e6ab in util_queue_thread_func (input=input@entry=0x55952dcd8e30) at u_queue.c:158
#5  0x00007fb53963e3e7 in impl_thrd_routine (p=<optimized out>) at ../../include/c11/threads_posix.h:87
#6  0x00007fb557b1136d in start_thread (arg=0x7fb53599b700) at pthread_create.c:456
#7  0x00007fb559191bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 2 (Thread 0x7fb54ac25700 (LWP 9782)):
#0  0x00007fb557b1790b in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fb55d48af30 <bmalloc::PerProcess<bmalloc::Heap>::s_memory+3120>) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fb557b1790b in __pthread_cond_wait_common (abstime=0x0, mutex=0x55952dbd3310, cond=0x7fb55d48af08 <bmalloc::PerProcess<bmalloc::Heap>::s_memory+3080>) at pthread_cond_wait.c:502
#2  0x00007fb557b1790b in __pthread_cond_wait (cond=0x7fb55d48af08 <bmalloc::PerProcess<bmalloc::Heap>::s_memory+3080>, mutex=0x55952dbd3310) at pthread_cond_wait.c:655
#3  0x00007fb559a34cdc in __gthread_cond_wait (__mutex=<optimized out>, __cond=__cond@entry=0x7fb55d48af08 <bmalloc::PerProcess<bmalloc::Heap>::s_memory+3080>) at /usr/src/debug/gcc-7.2.1-20170915/obj-x86_64-redhat-linux/x86_64-redhat-linux/libstdc++-v3/include/x86_64-redhat-linux/bits/gthr-default.h:864
#4  0x00007fb559a34cdc in std::condition_variable::wait(std::unique_lock<std::mutex>&) (this=this@entry=0x7fb55d48af08 <bmalloc::PerProcess<bmalloc::Heap>::s_memory+3080>, __lock=...) at ../../../../../libstdc++-v3/src/c++11/condition_variable.cc:53
#5  0x00007fb55c9b7897 in std::_V2::condition_variable_any::wait<std::unique_lock<bmalloc::Mutex> >(std::unique_lock<bmalloc::Mutex>&) (__lock=<synthetic pointer>..., this=<optimized out>) at /usr/include/c++/7/condition_variable:251
#6  0x00007fb55c9b7897 in std::_V2::condition_variable_any::wait<std::unique_lock<bmalloc::Mutex>, bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>::threadRunLoop()::{lambda()#1}>(std::unique_lock<bmalloc::Mutex>&, bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>::threadRunLoop()::{lambda()#1}) (__p=..., __lock=..., this=<optimized out>) at /usr/include/c++/7/condition_variable:260
#7  0x00007fb55c9b7897 in bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>::threadRunLoop() (this=0x7fb55d48af00 <bmalloc::PerProcess<bmalloc::Heap>::s_memory+3072>) at /usr/src/debug/qtwebkit-5.212.0-alpha2/Source/bmalloc/bmalloc/AsyncTask.h:126
#8  0x00007fb55c9b79d9 in bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>::threadEntryPoint(bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>*) (asyncTask=<optimized out>) at /usr/src/debug/qtwebkit-5.212.0-alpha2/Source/bmalloc/bmalloc/AsyncTask.h:106
#9  0x00007fb559a3b01f in std::execute_native_thread_routine(void*) (__p=0x55952dbd3370) at ../../../../../libstdc++-v3/src/c++11/thread.cc:83
#10 0x00007fb557b1136d in start_thread (arg=0x7fb54ac25700) at pthread_create.c:456
#11 0x00007fb559191bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 1 (Thread 0x7fb54ac29940 (LWP 9780)):
#0  0x00007fb557b1b09d in __lll_lock_wait () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1  0x00007fb557b13e98 in __GI___pthread_mutex_lock (mutex=0x55953040bdd0) at ../nptl/pthread_mutex_lock.c:115
#2  0x00007fb55379c974 in gst_pad_stop_task (pad=0x5595302604e0 [GstPad]) at gstpad.c:6142
#3  0x00007fb4d2f0a82d in gst_type_find_element_activate_sink_mode (pad=<optimized out>, parent=0x559530414000 [GstTypeFindElement], mode=<optimized out>, active=<optimized out>) at gsttypefindelement.c:1258
#4  0x00007fb553795fe0 in activate_mode_internal (pad=pad@entry=0x5595302604e0 [GstPad], parent=parent@entry=0x559530414000 [GstTypeFindElement], mode=mode@entry=GST_PAD_MODE_PULL, active=active@entry=0) at gstpad.c:1179
#5  0x00007fb5537969b5 in gst_pad_set_active (pad=pad@entry=0x5595302604e0 [GstPad], active=0) at gstpad.c:1080
#6  0x00007fb5537758bd in activate_pads (vpad=<optimized out>, ret=0x7fffe11c21a0, active=0x7fffe11c21fc) at gstelement.c:2831
#7  0x00007fb553787614 in gst_iterator_fold (it=it@entry=0x55952fdf0b30, func=func@entry=0x7fb5537758a0 <activate_pads>, ret=ret@entry=0x7fffe11c21a0, user_data=user_data@entry=0x7fffe11c21fc) at gstiterator.c:617
#8  0x00007fb5537763c6 in iterator_activate_fold_with_resync (iter=iter@entry=0x55952fdf0b30, user_data=user_data@entry=0x7fffe11c21fc, func=0x7fb5537758a0 <activate_pads>) at gstelement.c:2855
#9  0x00007fb5537780ee in gst_element_pads_activate (element=element@entry=0x559530414000 [GstTypeFindElement], active=<optimized out>, active@entry=0) at gstelement.c:2899
#10 0x00007fb553778396 in gst_element_change_state_func (element=0x559530414000 [GstTypeFindElement], transition=<optimized out>) at gstelement.c:2965
#11 0x00007fb4d2f0a996 in gst_type_find_element_change_state (element=0x559530414000 [GstTypeFindElement], transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gsttypefindelement.c:1323
#12 0x00007fb55377a2ae in gst_element_change_state (element=element@entry=0x559530414000 [GstTypeFindElement], transition=transition@entry=GST_STATE_CHANGE_PAUSED_TO_READY) at gstelement.c:2743
#13 0x00007fb55377a9e9 in gst_element_set_state_func (element=0x559530414000 [GstTypeFindElement], state=GST_STATE_READY) at gstelement.c:2697
#14 0x00007fb553758bb2 in gst_bin_element_set_state (next=GST_STATE_READY, current=GST_STATE_PAUSED, start_time=0, base_time=0, element=0x559530414000 [GstTypeFindElement], bin=0x559530412190 [GstDecodeBin]) at gstbin.c:2589
#15 0x00007fb553758bb2 in gst_bin_change_state_func (element=0x559530412190 [GstDecodeBin], transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstbin.c:2931
#16 0x00007fb4d2a4a849 in gst_decode_bin_change_state (element=0x559530412190 [GstDecodeBin], transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstdecodebin2.c:5342
#17 0x00007fb55377a2ae in gst_element_change_state (element=element@entry=0x559530412190 [GstDecodeBin], transition=transition@entry=GST_STATE_CHANGE_PAUSED_TO_READY) at gstelement.c:2743
#18 0x00007fb55377a9e9 in gst_element_set_state_func (element=0x559530412190 [GstDecodeBin], state=GST_STATE_READY) at gstelement.c:2697
#19 0x00007fb553758bb2 in gst_bin_element_set_state (next=GST_STATE_READY, current=GST_STATE_PAUSED, start_time=0, base_time=0, element=0x559530412190 [GstDecodeBin], bin=0x55953040c040 [GstURIDecodeBin]) at gstbin.c:2589
#20 0x00007fb553758bb2 in gst_bin_change_state_func (element=0x55953040c040 [GstURIDecodeBin], transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstbin.c:2931
#21 0x00007fb4d2a5c8fa in gst_uri_decode_bin_change_state (element=<optimized out>, transition=<optimized out>) at gsturidecodebin.c:2737
#22 0x00007fb55377a2ae in gst_element_change_state (element=element@entry=0x55953040c040 [GstURIDecodeBin], transition=transition@entry=GST_STATE_CHANGE_PAUSED_TO_READY) at gstelement.c:2743
#23 0x00007fb55377a9e9 in gst_element_set_state_func (element=0x55953040c040 [GstURIDecodeBin], state=GST_STATE_READY) at gstelement.c:2697
#24 0x00007fb553758bb2 in gst_bin_element_set_state (next=GST_STATE_READY, current=GST_STATE_PAUSED, start_time=0, base_time=0, element=0x55953040c040 [GstURIDecodeBin], bin=0x5595302598a0 [GstPlayBin]) at gstbin.c:2589
#25 0x00007fb553758bb2 in gst_bin_change_state_func (element=0x5595302598a0 [GstPlayBin], transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstbin.c:2931
#26 0x00007fb4d2a781c5 in gst_play_bin_change_state (element=0x5595302598a0 [GstPlayBin], transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstplaybin2.c:5745
#27 0x00007fb55377a2ae in gst_element_change_state (element=element@entry=0x5595302598a0 [GstPlayBin], transition=transition@entry=GST_STATE_CHANGE_PAUSED_TO_READY) at gstelement.c:2743
#28 0x00007fb55377a9e9 in gst_element_set_state_func (element=0x5595302598a0 [GstPlayBin], state=GST_STATE_NULL) at gstelement.c:2697
#29 0x00007fb4dfbd0ec0 in Phonon::Gstreamer::Pipeline::~Pipeline() (this=0x55953024df10, __in_chrg=<optimized out>) at /usr/src/debug/phonon-gstreamer-4.9.0/gstreamer/pipeline.cpp:221
#30 0x00007fb4dfbd13f9 in Phonon::Gstreamer::Pipeline::~Pipeline() (this=0x55953024df10, __in_chrg=<optimized out>) at /usr/src/debug/phonon-gstreamer-4.9.0/gstreamer/pipeline.cpp:234
#31 0x00007fb4dfbc68f9 in Phonon::Gstreamer::MediaObject::~MediaObject() (this=0x55953024d210, __in_chrg=<optimized out>) at /usr/src/debug/phonon-gstreamer-4.9.0/gstreamer/mediaobject.cpp:135
#32 0x00007fb4dfbc6ab9 in Phonon::Gstreamer::MediaObject::~MediaObject() (this=0x55953024d210, __in_chrg=<optimized out>) at /usr/src/debug/phonon-gstreamer-4.9.0/gstreamer/mediaobject.cpp:139
#33 0x00007fb558c2dab4 in Phonon::MediaNodePrivate::deleteBackendObject() (this=0x55953024ce10) at /usr/src/debug/phonon-4.9.1/phonon/medianode.cpp:79
#34 0x00007fb558c1547d in Phonon::FactoryPrivate::~FactoryPrivate() (this=0x559530177d00, __in_chrg=<optimized out>) at /usr/src/debug/phonon-4.9.1/phonon/factory.cpp:356
#35 0x00007fb558c15719 in Phonon::FactoryPrivate::~FactoryPrivate() (this=0x559530177d00, __in_chrg=<optimized out>) at /usr/src/debug/phonon-4.9.1/phonon/factory.cpp:366
#36 0x00007fb5590bbc68 in __run_exit_handlers (status=status@entry=1, listp=0x7fb55944c5b8 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true, run_dtors=run_dtors@entry=true) at exit.c:83
#37 0x00007fb5590bbcba in __GI_exit (status=status@entry=1) at exit.c:105
#38 0x00007fb54362c183 in QXcbConnection::processXcbEvents() (this=0x55952dbf7970) at qxcbconnection.cpp:1705
#39 0x00007fb559f778da in QObject::event(QEvent*) (this=0x55952dbf7970, e=<optimized out>) at kernel/qobject.cpp:1263
#40 0x00007fb55d5fb5dc in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x55952dbd5fc0, receiver=receiver@entry=0x55952dbf7970, e=e@entry=0x7fb53c00a050) at kernel/qapplication.cpp:3799
#41 0x00007fb55d602c74 in QApplication::notify(QObject*, QEvent*) (this=0x7fffe11c3130, receiver=0x55952dbf7970, e=0x7fb53c00a050) at kernel/qapplication.cpp:3556
#42 0x00007fb559f4f627 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x55952dbf7970, event=event@entry=0x7fb53c00a050) at kernel/qcoreapplication.cpp:988
#43 0x00007fb559f5185b in QCoreApplication::sendEvent(QObject*, QEvent*) (event=0x7fb53c00a050, receiver=<optimized out>) at kernel/qcoreapplication.h:231
#44 0x00007fb559f5185b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x55952dbd3d70) at kernel/qcoreapplication.cpp:1649
#45 0x00007fb559f51d68 in QCoreApplication::sendPostedEvents(QObject*, int) (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1503
#46 0x00007fb559f9ddd3 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x55952dc425a0) at kernel/qeventdispatcher_glib.cpp:276
#47 0x00007fb552685247 in g_main_dispatch (context=0x7fb53c0016f0) at gmain.c:3234
#48 0x00007fb552685247 in g_main_context_dispatch (context=context@entry=0x7fb53c0016f0) at gmain.c:3899
#49 0x00007fb5526855e8 in g_main_context_iterate (context=context@entry=0x7fb53c0016f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3972
#50 0x00007fb55268567c in g_main_context_iteration (context=0x7fb53c0016f0, may_block=may_block@entry=1) at gmain.c:4033
#51 0x00007fb559f9de4f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x55952dc58ea0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#52 0x00007fb559f4e60a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fffe11c3020, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#53 0x00007fb559f5627c in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1261
#54 0x000055952c2d0c39 in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/kdenlive-17.04.2/src/main.cpp:158