Application: kdenlive (19.07.90)

Qt Version: 5.12.3
Frameworks Version: 5.61.0
Operating System: Linux 4.15.0-55-generic x86_64
Distribution: KDE neon Testing Edition

-- Information about the crash:
- What I was doing when the application crashed:
When loading the video clip in the list of multimedia files, Kdenlive asked me if I wanted to change the project profile equal to the video clip, accept the change and Kdenlive closed unexpectedly

The crash can be reproduced sometimes.

-- Backtrace:
Application: Kdenlive (kdenlive), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f494e3dd980 (LWP 9874))]

Thread 42 (Thread 0x7f4874ff9700 (LWP 9939)):
#0  0x00007f4941d909f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561f57ac9644) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x561f57ac96a8, cond=0x561f57ac9618) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x561f57ac9618, mutex=0x561f57ac96a8) at pthread_cond_wait.c:655
#3  0x00007f490d9e050e in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#4  0x00007f4941d8a6db in start_thread (arg=0x7f4874ff9700) at pthread_create.c:463
#5  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 41 (Thread 0x7f48757fa700 (LWP 9938)):
#0  0x00007f4941d909f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561f57ac9494) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x561f57ac94f8, cond=0x561f57ac9468) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x561f57ac9468, mutex=0x561f57ac94f8) at pthread_cond_wait.c:655
#3  0x00007f490d9e050e in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#4  0x00007f4941d8a6db in start_thread (arg=0x7f48757fa700) at pthread_create.c:463
#5  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 40 (Thread 0x7f4875ffb700 (LWP 9937)):
#0  0x00007f4941d909f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561f57ac92e4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x561f57ac9348, cond=0x561f57ac92b8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x561f57ac92b8, mutex=0x561f57ac9348) at pthread_cond_wait.c:655
#3  0x00007f490d9e050e in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#4  0x00007f4941d8a6db in start_thread (arg=0x7f4875ffb700) at pthread_create.c:463
#5  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 39 (Thread 0x7f48767fc700 (LWP 9936)):
#0  0x00007f4941d909f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561f57ac9130) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x561f57ac9198, cond=0x561f57ac9108) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x561f57ac9108, mutex=0x561f57ac9198) at pthread_cond_wait.c:655
#3  0x00007f490d9e050e in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#4  0x00007f4941d8a6db in start_thread (arg=0x7f48767fc700) at pthread_create.c:463
#5  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 38 (Thread 0x7f4876ffd700 (LWP 9935)):
#0  0x00007f4941d909f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561f57ac8f80) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x561f57ac8fe8, cond=0x561f57ac8f58) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x561f57ac8f58, mutex=0x561f57ac8fe8) at pthread_cond_wait.c:655
#3  0x00007f490d9e050e in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#4  0x00007f4941d8a6db in start_thread (arg=0x7f4876ffd700) at pthread_create.c:463
#5  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 37 (Thread 0x7f48bdfac700 (LWP 9932)):
#0  0x00007f49454500b4 in __GI___libc_read (fd=34, buf=0x7f48bdfabbae, nbytes=10) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f493ba7b021 in pa_read () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#2  0x00007f49421c9a2e in pa_mainloop_prepare () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f49421ca4a0 in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f49129cbe17 in ?? () from /usr/lib/x86_64-linux-gnu/libSDL2-2.0.so.0
#5  0x00007f491292be1e in ?? () from /usr/lib/x86_64-linux-gnu/libSDL2-2.0.so.0
#6  0x00007f4912972d7c in ?? () from /usr/lib/x86_64-linux-gnu/libSDL2-2.0.so.0
#7  0x00007f49129e7fa9 in ?? () from /usr/lib/x86_64-linux-gnu/libSDL2-2.0.so.0
#8  0x00007f4941d8a6db in start_thread (arg=0x7f48bdfac700) at pthread_create.c:463
#9  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 36 (Thread 0x7f488edf8700 (LWP 9931)):
#0  0x00007f4941d909f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561f4a5d6e38) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x561f4a5d6de8, cond=0x561f4a5d6e10) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x561f4a5d6e10, mutex=0x561f4a5d6de8) at pthread_cond_wait.c:655
#3  0x00007f4949d9d7db in ?? () from /usr/lib/x86_64-linux-gnu/libmlt.so.6
#4  0x0000561f4663809d in RenderThread::run (this=0x7f48a00029c0) at ./src/monitor/glwidget.cpp:1587
#5  0x00007f4946117c72 in QThreadPrivate::start (arg=0x7f48a00029c0) at thread/qthread_unix.cpp:361
#6  0x00007f4941d8a6db in start_thread (arg=0x7f488edf8700) at pthread_create.c:463
#7  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 35 (Thread 0x7f48bd7a9700 (LWP 9930)):
#0  0x00007f4941d909f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561f54dd68e8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x561f54dd68f0, cond=0x561f54dd68c0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x561f54dd68c0, mutex=0x561f54dd68f0) at pthread_cond_wait.c:655
#3  0x00007f4912c42303 in ?? () from /usr/lib/x86_64-linux-gnu/mlt/libmltsdl2.so
#4  0x00007f4941d8a6db in start_thread (arg=0x7f48bd7a9700) at pthread_create.c:463
#5  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 34 (Thread 0x7f48be7ee700 (LWP 9929)):
#0  0x00007f493ba985d8 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#1  0x00007f493ba9970d in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#2  0x00007f493ba99ab9 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#3  0x00007f493ba9a33f in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#4  0x00007f49421ca108 in pa_mainloop_dispatch () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f49421ca4de in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f49421ca560 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#7  0x00007f49129cbfef in ?? () from /usr/lib/x86_64-linux-gnu/libSDL2-2.0.so.0
#8  0x00007f4912972d7c in ?? () from /usr/lib/x86_64-linux-gnu/libSDL2-2.0.so.0
#9  0x00007f49129e7fa9 in ?? () from /usr/lib/x86_64-linux-gnu/libSDL2-2.0.so.0
#10 0x00007f4941d8a6db in start_thread (arg=0x7f48be7ee700) at pthread_create.c:463
#11 0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 33 (Thread 0x7f48777fe700 (LWP 9920)):
#0  0x00007f4941d909f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f4880b58cc4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f4880b58d28, cond=0x7f4880b58c98) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f4880b58c98, mutex=0x7f4880b58d28) at pthread_cond_wait.c:655
#3  0x00007f490d9e050e in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#4  0x00007f4941d8a6db in start_thread (arg=0x7f48777fe700) at pthread_create.c:463
#5  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 32 (Thread 0x7f488cb44700 (LWP 9919)):
#0  0x00007f4941d909f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f4880b58b14) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f4880b58b78, cond=0x7f4880b58ae8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f4880b58ae8, mutex=0x7f4880b58b78) at pthread_cond_wait.c:655
#3  0x00007f490d9e050e in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#4  0x00007f4941d8a6db in start_thread (arg=0x7f488cb44700) at pthread_create.c:463
#5  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 31 (Thread 0x7f488d345700 (LWP 9918)):
#0  0x00007f4941d909f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f4880b58964) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f4880b589c8, cond=0x7f4880b58938) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f4880b58938, mutex=0x7f4880b589c8) at pthread_cond_wait.c:655
#3  0x00007f490d9e050e in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#4  0x00007f4941d8a6db in start_thread (arg=0x7f488d345700) at pthread_create.c:463
#5  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 30 (Thread 0x7f488db46700 (LWP 9917)):
#0  0x00007f4941d909f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f4880b587b4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f4880b58818, cond=0x7f4880b58788) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f4880b58788, mutex=0x7f4880b58818) at pthread_cond_wait.c:655
#3  0x00007f490d9e050e in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#4  0x00007f4941d8a6db in start_thread (arg=0x7f488db46700) at pthread_create.c:463
#5  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7f488e347700 (LWP 9916)):
#0  0x00007f4941d909f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f4880b58600) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f4880b58668, cond=0x7f4880b585d8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f4880b585d8, mutex=0x7f4880b58668) at pthread_cond_wait.c:655
#3  0x00007f490d9e050e in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#4  0x00007f4941d8a6db in start_thread (arg=0x7f488e347700) at pthread_create.c:463
#5  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7f489b7fe700 (LWP 9913)):
#0  0x00007f4941d909f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f48840e4854) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f48840e4800, cond=0x7f48840e4828) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f48840e4828, mutex=0x7f48840e4800) at pthread_cond_wait.c:655
#3  0x00007f4949da626b in ?? () from /usr/lib/x86_64-linux-gnu/libmlt.so.6
#4  0x00007f4941d8a6db in start_thread (arg=0x7f489b7fe700) at pthread_create.c:463
#5  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7f489bfff700 (LWP 9912)):
#0  0x00007f4941d909f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f48840e4854) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f48840e4800, cond=0x7f48840e4828) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f48840e4828, mutex=0x7f48840e4800) at pthread_cond_wait.c:655
#3  0x00007f4949da626b in ?? () from /usr/lib/x86_64-linux-gnu/libmlt.so.6
#4  0x00007f4941d8a6db in start_thread (arg=0x7f489bfff700) at pthread_create.c:463
#5  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7f48bcfa7700 (LWP 9911)):
#0  0x00007f4941d909f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f48840e4854) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f48840e4800, cond=0x7f48840e4828) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f48840e4828, mutex=0x7f48840e4800) at pthread_cond_wait.c:655
#3  0x00007f4949da626b in ?? () from /usr/lib/x86_64-linux-gnu/libmlt.so.6
#4  0x00007f4941d8a6db in start_thread (arg=0x7f48bcfa7700) at pthread_create.c:463
#5  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7f48be7ad700 (LWP 9910)):
#0  0x00007f4941d909f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f48840e4854) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f48840e4800, cond=0x7f48840e4828) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f48840e4828, mutex=0x7f48840e4800) at pthread_cond_wait.c:655
#3  0x00007f4949da626b in ?? () from /usr/lib/x86_64-linux-gnu/libmlt.so.6
#4  0x00007f4941d8a6db in start_thread (arg=0x7f48be7ad700) at pthread_create.c:463
#5  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7f4877fff700 (LWP 9906)):
#0  0x00007f4941d909f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561f4a43e904) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x561f4a43e968, cond=0x561f4a43e8d8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x561f4a43e8d8, mutex=0x561f4a43e968) at pthread_cond_wait.c:655
#3  0x00007f490d9e050e in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#4  0x00007f4941d8a6db in start_thread (arg=0x7f4877fff700) at pthread_create.c:463
#5  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7f4888ef9700 (LWP 9905)):
#0  0x00007f4941d909f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561f4a43e754) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x561f4a43e7b8, cond=0x561f4a43e728) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x561f4a43e728, mutex=0x561f4a43e7b8) at pthread_cond_wait.c:655
#3  0x00007f490d9e050e in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#4  0x00007f4941d8a6db in start_thread (arg=0x7f4888ef9700) at pthread_create.c:463
#5  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f48896fa700 (LWP 9904)):
#0  0x00007f4941d909f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561f4a43e5a0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x561f4a43e608, cond=0x561f4a43e578) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x561f4a43e578, mutex=0x561f4a43e608) at pthread_cond_wait.c:655
#3  0x00007f490d9e050e in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#4  0x00007f4941d8a6db in start_thread (arg=0x7f48896fa700) at pthread_create.c:463
#5  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f4889efb700 (LWP 9903)):
#0  0x00007f4941d909f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561f4a43e3f0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x561f4a43e458, cond=0x561f4a43e3c8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x561f4a43e3c8, mutex=0x561f4a43e458) at pthread_cond_wait.c:655
#3  0x00007f490d9e050e in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#4  0x00007f4941d8a6db in start_thread (arg=0x7f4889efb700) at pthread_create.c:463
#5  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f488a6fc700 (LWP 9902)):
#0  0x00007f4941d909f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561f4a43e240) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x561f4a43e2a8, cond=0x561f4a43e218) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x561f4a43e218, mutex=0x561f4a43e2a8) at pthread_cond_wait.c:655
#3  0x00007f490d9e050e in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.57
#4  0x00007f4941d8a6db in start_thread (arg=0x7f488a6fc700) at pthread_create.c:463
#5  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f488aefd700 (LWP 9901)):
[KCrash Handler]
#6  0x00007f4949b7495a in Mlt::Properties::get(char const*) () from /usr/lib/x86_64-linux-gnu/libmlt++.so.3
#7  0x0000561f4661f039 in ClipController::getProducerProperty (this=0x561f552e6748, name=...) at ./src/mltcontroller/clipcontroller.cpp:408
#8  0x0000561f464f0118 in ProjectClip::hash (this=0x561f552e6640) at ./src/bin/projectclip.cpp:865
#9  0x0000561f467d60d6 in ThumbnailCache::getKey (binId=..., pos=11002, ok=ok@entry=0x7f488aefc867) at ./src/utils/thumbnailcache.cpp:216
#10 0x0000561f467d7413 in ThumbnailCache::storeThumbnail (this=this@entry=0x7f4880004370, binId=..., pos=<optimized out>, pos@entry=11002, img=..., persistent=persistent@entry=true) at ./src/utils/thumbnailcache.cpp:141
#11 0x0000561f465eb421 in CacheJob::startJob (this=0x561f4d48dd20) at ./src/jobs/cachejob.cpp:104
#12 0x0000561f465e7847 in QtConcurrent::FunctionWrapper1<bool, std::shared_ptr<AbstractClipJob> const&>::operator() (u=..., this=0x7f48780054a8) at /usr/include/x86_64-linux-gnu/qt5/QtConcurrent/qtconcurrentfunctionwrappers.h:80
#13 QtConcurrent::MappedEachKernel<__gnu_cxx::__normal_iterator<std::shared_ptr<AbstractClipJob> const*, std::vector<std::shared_ptr<AbstractClipJob>, std::allocator<std::shared_ptr<AbstractClipJob> > > >, QtConcurrent::FunctionWrapper1<bool, std::shared_ptr<AbstractClipJob> const&> >::runIteration (result=0x7f487c0082e8, it=..., this=0x7f4878005470) at /usr/include/x86_64-linux-gnu/qt5/QtConcurrent/qtconcurrentmapkernel.h:175
#14 QtConcurrent::MappedEachKernel<__gnu_cxx::__normal_iterator<std::shared_ptr<AbstractClipJob> const*, std::vector<std::shared_ptr<AbstractClipJob>, std::allocator<std::shared_ptr<AbstractClipJob> > > >, QtConcurrent::FunctionWrapper1<bool, std::shared_ptr<AbstractClipJob> const&> >::runIterations (this=0x7f4878005470, sequenceBeginIterator=..., begin=<optimized out>, end=<optimized out>, results=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtConcurrent/qtconcurrentmapkernel.h:185
#15 0x0000561f465e92e2 in virtual thunk to QtConcurrent::IterateKernel<__gnu_cxx::__normal_iterator<std::shared_ptr<AbstractClipJob> const*, std::vector<std::shared_ptr<AbstractClipJob>, std::allocator<std::shared_ptr<AbstractClipJob> > > >, bool>::threadFunction() ()
#16 0x00007f494a2cfd0d in QtConcurrent::ThreadEngineBase::run (this=0x7f48780054c8) at qtconcurrentthreadengine.cpp:302
#17 0x00007f494611c3e2 in QThreadPoolThread::run (this=0x7f4880005540) at thread/qthreadpool.cpp:99
#18 0x00007f4946117c72 in QThreadPrivate::start (arg=0x7f4880005540) at thread/qthread_unix.cpp:361
#19 0x00007f4941d8a6db in start_thread (arg=0x7f488aefd700) at pthread_create.c:463
#20 0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f488b6fe700 (LWP 9900)):
#0  0x00007f4941d90ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f488b6fda60, expected=0, futex_word=0x7f4880005254) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f488b6fdb20, mutex=0x7f4880005200, cond=0x7f4880005228) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f4880005228, mutex=0x7f4880005200, abstime=0x7f488b6fdb20) at pthread_cond_wait.c:667
#3  0x00007f494611ed36 in QWaitConditionPrivate::wait_relative (this=0x7f4880005200, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x7f4880005200) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=<optimized out>, mutex=0x561f49924870, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007f494611f096 in QWaitCondition::wait (this=this@entry=0x7f48800051e0, mutex=mutex@entry=0x561f49924870, time=<optimized out>) at thread/qwaitcondition_unix.cpp:209
#7  0x00007f494611c740 in QThreadPoolThread::run (this=0x7f48800051d0) at thread/qthreadpool.cpp:139
#8  0x00007f4946117c72 in QThreadPrivate::start (arg=0x7f48800051d0) at thread/qthread_unix.cpp:361
#9  0x00007f4941d8a6db in start_thread (arg=0x7f488b6fe700) at pthread_create.c:463
#10 0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f488beff700 (LWP 9899)):
#0  0x00007f4941d90ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f488befea60, expected=0, futex_word=0x7f48ec00a684) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f488befeb20, mutex=0x7f48ec00a630, cond=0x7f48ec00a658) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f48ec00a658, mutex=0x7f48ec00a630, abstime=0x7f488befeb20) at pthread_cond_wait.c:667
#3  0x00007f494611ed36 in QWaitConditionPrivate::wait_relative (this=0x7f48ec00a630, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x7f48ec00a630) at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=<optimized out>, mutex=0x561f49924870, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007f494611f096 in QWaitCondition::wait (this=this@entry=0x7f48ec00a9e0, mutex=mutex@entry=0x561f49924870, time=<optimized out>) at thread/qwaitcondition_unix.cpp:209
#7  0x00007f494611c740 in QThreadPoolThread::run (this=0x7f48ec00a9d0) at thread/qthreadpool.cpp:139
#8  0x00007f4946117c72 in QThreadPrivate::start (arg=0x7f48ec00a9d0) at thread/qthread_unix.cpp:361
#9  0x00007f4941d8a6db in start_thread (arg=0x7f488beff700) at pthread_create.c:463
#10 0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f48d21da700 (LWP 9892)):
#0  0x00007f49454500b4 in __GI___libc_read (fd=28, buf=0x7f48d21d9a10, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f493d01d2d0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f493cfd80b7 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f493cfd8570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f493cfd86dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f494634ddcb in QEventDispatcherGlib::processEvents (this=0x7f48b8000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007f49462ef03a in QEventLoop::exec (this=this@entry=0x7f48d21d9c20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#7  0x00007f49461164ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#8  0x00007f4946117c72 in QThreadPrivate::start (arg=0x7f48c4006af0) at thread/qthread_unix.cpp:361
#9  0x00007f4941d8a6db in start_thread (arg=0x7f48d21da700) at pthread_create.c:463
#10 0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f48d29ed700 (LWP 9891)):
#0  0x00007f4941d909f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561f4a93d424) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x561f4a93d3d0, cond=0x561f4a93d3f8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x561f4a93d3f8, mutex=0x561f4a93d3d0) at pthread_cond_wait.c:655
#3  0x00007f494611edbb in QWaitConditionPrivate::wait (deadline=..., this=0x561f4a93d3d0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x561f518d6460, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f494611f0c9 in QWaitCondition::wait (this=0x561f518d6468, mutex=0x561f518d6460, time=<optimized out>) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f4947b986f8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f4947b98b2a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f4946117c72 in QThreadPrivate::start (arg=0x561f518d63e0) at thread/qthread_unix.cpp:361
#9  0x00007f4941d8a6db in start_thread (arg=0x7f48d29ed700) at pthread_create.c:463
#10 0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f48d324e700 (LWP 9890)):
#0  0x00007f493cfd847d in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f493cfd86dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f494634ddcb in QEventDispatcherGlib::processEvents (this=0x7f48c0000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#3  0x00007f49462ef03a in QEventLoop::exec (this=this@entry=0x7f48d324dc20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#4  0x00007f49461164ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#5  0x00007f4946117c72 in QThreadPrivate::start (arg=0x7f48c8007770) at thread/qthread_unix.cpp:361
#6  0x00007f4941d8a6db in start_thread (arg=0x7f48d324e700) at pthread_create.c:463
#7  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f48d3a4f700 (LWP 9889)):
#0  0x00007f4941d909f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561f502fd4e0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x561f502fd490, cond=0x561f502fd4b8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x561f502fd4b8, mutex=0x561f502fd490) at pthread_cond_wait.c:655
#3  0x00007f494611edbb in QWaitConditionPrivate::wait (deadline=..., this=0x561f502fd490) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x561f49e2ad60, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f494611f0c9 in QWaitCondition::wait (this=0x561f49e2ad68, mutex=0x561f49e2ad60, time=<optimized out>) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f4947b986f8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f4947b98b2a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f4946117c72 in QThreadPrivate::start (arg=0x561f49e2ace0) at thread/qthread_unix.cpp:361
#9  0x00007f4941d8a6db in start_thread (arg=0x7f48d3a4f700) at pthread_create.c:463
#10 0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f48e0970700 (LWP 9887)):
#0  0x00007f49454500b4 in __GI___libc_read (fd=21, buf=0x7f48e096f9a0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f493d01d2d0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f493cfd80b7 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f493cfd8570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f493cfd86dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f494634ddcb in QEventDispatcherGlib::processEvents (this=0x7f48cc000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007f49462ef03a in QEventLoop::exec (this=this@entry=0x7f48e096fbb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#7  0x00007f49461164ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#8  0x00007f4947b12926 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007f4946117c72 in QThreadPrivate::start (arg=0x561f4a6ad550) at thread/qthread_unix.cpp:361
#10 0x00007f4941d8a6db in start_thread (arg=0x7f48e0970700) at pthread_create.c:463
#11 0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f48e1bb1700 (LWP 9886)):
#0  0x00007f493d01e649 in g_mutex_lock () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f493cfd7b33 in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f493cfd84fb in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f493cfd86dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f494634ddcb in QEventDispatcherGlib::processEvents (this=0x7f48d8000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f49462ef03a in QEventLoop::exec (this=this@entry=0x7f48e1bb0c00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#6  0x00007f49461164ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#7  0x00007f494764d115 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f4946117c72 in QThreadPrivate::start (arg=0x561f4a4aa170) at thread/qthread_unix.cpp:361
#9  0x00007f4941d8a6db in start_thread (arg=0x7f48e1bb1700) at pthread_create.c:463
#10 0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f48e23b2700 (LWP 9885)):
#0  0x00007f4945454bf9 in __GI___poll (fds=0x7f48d4006100, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f493cfd85c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f493cfd86dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f494634ddcb in QEventDispatcherGlib::processEvents (this=0x7f48d4000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f49462ef03a in QEventLoop::exec (this=this@entry=0x7f48e23b1bb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007f49461164ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#6  0x00007f4947b12926 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f4946117c72 in QThreadPrivate::start (arg=0x561f4a4a6020) at thread/qthread_unix.cpp:361
#8  0x00007f4941d8a6db in start_thread (arg=0x7f48e23b2700) at pthread_create.c:463
#9  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f48e39ff700 (LWP 9884)):
#0  0x00007f493d01e649 in g_mutex_lock () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f493cfd7fec in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f493cfd8570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f493cfd86dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f494634ddcb in QEventDispatcherGlib::processEvents (this=0x7f48dc000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f49462ef03a in QEventLoop::exec (this=this@entry=0x7f48e39fec00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#6  0x00007f49461164ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#7  0x00007f494764d115 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f4946117c72 in QThreadPrivate::start (arg=0x561f4a25c0e0) at thread/qthread_unix.cpp:361
#9  0x00007f4941d8a6db in start_thread (arg=0x7f48e39ff700) at pthread_create.c:463
#10 0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f48f0e24700 (LWP 9883)):
#0  0x00007f49454500b4 in __GI___libc_read (fd=17, buf=0x7f48f0e239f0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f493d01d2d0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f493cfd80b7 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f493cfd8570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f493cfd86dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f494634ddcb in QEventDispatcherGlib::processEvents (this=0x7f48e8000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007f49462ef03a in QEventLoop::exec (this=this@entry=0x7f48f0e23c00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#7  0x00007f49461164ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#8  0x00007f494764d115 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f4946117c72 in QThreadPrivate::start (arg=0x561f4a128a50) at thread/qthread_unix.cpp:361
#10 0x00007f4941d8a6db in start_thread (arg=0x7f48f0e24700) at pthread_create.c:463
#11 0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f48f2065700 (LWP 9882)):
#0  0x00007f49454500b4 in __GI___libc_read (fd=16, buf=0x7f48f20649f0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f493d01d2d0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f493cfd80b7 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f493cfd8570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f493cfd86dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f494634ddcb in QEventDispatcherGlib::processEvents (this=0x7f48e4000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007f49462ef03a in QEventLoop::exec (this=this@entry=0x7f48f2064c00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#7  0x00007f49461164ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#8  0x00007f494764d115 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f4946117c72 in QThreadPrivate::start (arg=0x561f49e90c70) at thread/qthread_unix.cpp:361
#10 0x00007f4941d8a6db in start_thread (arg=0x7f48f2065700) at pthread_create.c:463
#11 0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f48f30fc700 (LWP 9881)):
#0  0x00007f4941d909f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561f47e07680) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x561f47e07630, cond=0x561f47e07658) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x561f47e07658, mutex=0x561f47e07630) at pthread_cond_wait.c:655
#3  0x00007f494611edbb in QWaitConditionPrivate::wait (deadline=..., this=0x561f47e07630) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x561f47e0c6b0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f494611f0c9 in QWaitCondition::wait (this=this@entry=0x561f47e0c6b8, mutex=mutex@entry=0x561f47e0c6b0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f494611919a in QReadWriteLockPrivate::lockForWrite (timeout=1205913272, this=0x561f47e0c6b0) at thread/qreadwritelock.cpp:516
#7  QReadWriteLockPrivate::recursiveLockForWrite (this=this@entry=0x561f47e0c6b0, timeout=timeout@entry=-1) at thread/qreadwritelock.cpp:567
#8  0x00007f4946119a46 in QReadWriteLock::tryLockForWrite (this=this@entry=0x561f47dfc978, timeout=timeout@entry=-1) at thread/qreadwritelock.cpp:370
#9  0x00007f4946119a6a in QReadWriteLock::lockForWrite (this=this@entry=0x561f47dfc978) at thread/qreadwritelock.cpp:293
#10 0x0000561f464ffd6d in QWriteLocker::relock (this=<synthetic pointer>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qreadwritelock.h:150
#11 QWriteLocker::QWriteLocker (areadWriteLock=0x561f47dfc978, this=<synthetic pointer>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qreadwritelock.h:170
#12 ProjectItemModel::onItemUpdated (this=0x561f47dfc910, binId=..., role=role@entry=267) at ./src/bin/projectitemmodel.cpp:333
#13 0x0000561f465e203e in JobManager::<lambda(int)>::operator() (p=<optimized out>, __closure=0x7f487c0029d0) at ./src/jobs/jobmanager.cpp:252
#14 QtPrivate::FunctorCall<QtPrivate::IndexesList<0>, QtPrivate::List<int>, void, JobManager::createJob(const std::shared_ptr<Job_t>&)::<lambda(int)> >::call (arg=<optimized out>, f=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:146
#15 QtPrivate::Functor<JobManager::createJob(const std::shared_ptr<Job_t>&)::<lambda(int)>, 1>::call<QtPrivate::List<int>, void> (arg=<optimized out>, f=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:256
#16 QtPrivate::QFunctorSlotObject<JobManager::createJob(const std::shared_ptr<Job_t>&)::<lambda(int)>, 1, QtPrivate::List<int>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=<optimized out>, this_=0x7f487c0029c0, r=<optimized out>, a=<optimized out>, ret=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:439
#17 0x00007f494632098f in QtPrivate::QSlotObjectBase::call (a=0x7f48f30fb7e0, r=0x561f556ab2d0, this=0x7f487c0029c0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#18 QMetaObject::activate (sender=0x561f556ab2d0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7f48f30fb7e0) at kernel/qobject.cpp:3776
#19 0x00007f4946320f47 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x561f46ce52a0 <AbstractClipJob::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7f48f30fb7e0) at kernel/qobject.cpp:3648
#20 0x0000561f463fa91e in AbstractClipJob::jobProgress (this=<optimized out>, _t1=<optimized out>) at ./obj-x86_64-linux-gnu/src/kdenliveLib_autogen/AJN4HOEG3V/moc_abstractclipjob.cpp:141
#21 0x0000561f465de9cf in AudioThumbJob::computeWithMlt (this=this@entry=0x561f556ab2d0) at ./src/jobs/audiothumbjob.cpp:87
#22 0x0000561f465e1584 in AudioThumbJob::startJob (this=0x561f556ab2d0) at ./src/jobs/audiothumbjob.cpp:290
#23 0x0000561f465e7847 in QtConcurrent::FunctionWrapper1<bool, std::shared_ptr<AbstractClipJob> const&>::operator() (u=..., this=0x7f487c005488) at /usr/include/x86_64-linux-gnu/qt5/QtConcurrent/qtconcurrentfunctionwrappers.h:80
#24 QtConcurrent::MappedEachKernel<__gnu_cxx::__normal_iterator<std::shared_ptr<AbstractClipJob> const*, std::vector<std::shared_ptr<AbstractClipJob>, std::allocator<std::shared_ptr<AbstractClipJob> > > >, QtConcurrent::FunctionWrapper1<bool, std::shared_ptr<AbstractClipJob> const&> >::runIteration (result=0x7f48ec006f88, it=..., this=0x7f487c005450) at /usr/include/x86_64-linux-gnu/qt5/QtConcurrent/qtconcurrentmapkernel.h:175
#25 QtConcurrent::MappedEachKernel<__gnu_cxx::__normal_iterator<std::shared_ptr<AbstractClipJob> const*, std::vector<std::shared_ptr<AbstractClipJob>, std::allocator<std::shared_ptr<AbstractClipJob> > > >, QtConcurrent::FunctionWrapper1<bool, std::shared_ptr<AbstractClipJob> const&> >::runIterations (this=0x7f487c005450, sequenceBeginIterator=..., begin=<optimized out>, end=<optimized out>, results=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtConcurrent/qtconcurrentmapkernel.h:185
#26 0x0000561f465e92e2 in virtual thunk to QtConcurrent::IterateKernel<__gnu_cxx::__normal_iterator<std::shared_ptr<AbstractClipJob> const*, std::vector<std::shared_ptr<AbstractClipJob>, std::allocator<std::shared_ptr<AbstractClipJob> > > >, bool>::threadFunction() ()
#27 0x00007f494a2cfd0d in QtConcurrent::ThreadEngineBase::run (this=0x7f487c0054a8) at qtconcurrentthreadengine.cpp:302
#28 0x00007f494611c3e2 in QThreadPoolThread::run (this=0x561f49cce0e0) at thread/qthreadpool.cpp:99
#29 0x00007f4946117c72 in QThreadPrivate::start (arg=0x561f49cce0e0) at thread/qthread_unix.cpp:361
#30 0x00007f4941d8a6db in start_thread (arg=0x7f48f30fc700) at pthread_create.c:463
#31 0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f48f8be5700 (LWP 9879)):
#0  0x00007f493d01e649 in g_mutex_lock () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f493cfd7fec in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f493cfd8570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f493cfd86dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f494634ddcb in QEventDispatcherGlib::processEvents (this=0x7f48f4000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f49462ef03a in QEventLoop::exec (this=this@entry=0x7f48f8be4c00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#6  0x00007f49461164ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#7  0x00007f494764d115 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f4946117c72 in QThreadPrivate::start (arg=0x561f498c5270) at thread/qthread_unix.cpp:361
#9  0x00007f4941d8a6db in start_thread (arg=0x7f48f8be5700) at pthread_create.c:463
#10 0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f491ef3a700 (LWP 9878)):
#0  0x00007f4945454bf9 in __GI___poll (fds=0x7f4918011150, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f493cfd85c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f493cfd86dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f494634ddcb in QEventDispatcherGlib::processEvents (this=0x7f4918000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f49462ef03a in QEventLoop::exec (this=this@entry=0x7f491ef39bf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007f49461164ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#6  0x00007f4948d89015 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f4946117c72 in QThreadPrivate::start (arg=0x7f4949000d80) at thread/qthread_unix.cpp:361
#8  0x00007f4941d8a6db in start_thread (arg=0x7f491ef3a700) at pthread_create.c:463
#9  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f49253ce700 (LWP 9877)):
#0  0x00007f4941d909f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x561f474d63f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x561f474d63a8, cond=0x561f474d63d0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x561f474d63d0, mutex=0x561f474d63a8) at pthread_cond_wait.c:655
#3  0x00007f492649831a in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f4926498047 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f4941d8a6db in start_thread (arg=0x7f49253ce700) at pthread_create.c:463
#6  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f49326d6700 (LWP 9875)):
#0  0x00007f4941d909f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f4941642130) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x561f474cbc50, cond=0x7f4941642108) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f4941642108, mutex=0x561f474cbc50) at pthread_cond_wait.c:655
#3  0x00007f4945d9e86c in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#4  0x00007f49409821e7 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#5  0x00007f4940982329 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#6  0x00007f4945da466f in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#7  0x00007f4941d8a6db in start_thread (arg=0x7f49326d6700) at pthread_create.c:463
#8  0x00007f494546188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f494e3dd980 (LWP 9874)):
#0  0x00007f49454249d0 in __GI___nanosleep (requested_time=requested_time@entry=0x7ffcbee9d1d0, remaining=remaining@entry=0x7ffcbee9d1d0) at ../sysdeps/unix/sysv/linux/nanosleep.c:28
#1  0x00007f494634d70d in qt_nanosleep (amount=...) at kernel/qelapsedtimer_unix.cpp:195
#2  0x00007f494928eb28 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#3  0x00007f494928efcb in ?? () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#4  0x00007f494928f675 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#5  0x0000561f464d98a4 in FileWatcher::addFile (this=this@entry=0x561f47e0e4d0, binId=..., url=...) at ./src/bin/filewatcher.cpp:50
#6  0x0000561f464fc1d8 in ProjectItemModel::updateWatcher (this=this@entry=0x561f47dfc910, clipItem=std::shared_ptr<ProjectClip> (use count 11, weak count 2) = {...}) at ./src/bin/projectitemmodel.cpp:1026
#7  0x0000561f464ef62a in ProjectClip::setProducer (this=this@entry=0x561f552e6640, producer=std::shared_ptr<Mlt::Producer> (use count 2, weak count 0) = {...}, replaceProducer=replaceProducer@entry=true) at ./src/bin/projectclip.cpp:431
#8  0x0000561f465f1ee7 in LoadJob::<lambda()>::operator() (__closure=<synthetic pointer>) at ./src/jobs/loadjob.cpp:605
#9  LoadJob::commitResult(std::function<bool ()>&, std::function<bool ()>&) (this=<optimized out>, undo=..., redo=..., this=<optimized out>) at ./src/jobs/loadjob.cpp:612
#10 0x0000561f465e6447 in JobManager::slotManageFinishedJob (this=0x561f47e216d0, id=<optimized out>) at ./src/jobs/jobmanager.cpp:342
#11 0x00007f494632098f in QtPrivate::QSlotObjectBase::call (a=0x7ffcbee9d910, r=0x561f503137b8, this=0x7f4880b344b0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#12 QMetaObject::activate (sender=0x561f503137b8, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3776
#13 0x00007f4946123af3 in QFutureWatcherBase::event (this=<optimized out>, event=0x7f488001b4f0) at thread/qfuturewatcher.cpp:334
#14 0x00007f49481db65c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007f49481e2b90 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007f49462f0d18 in QCoreApplication::notifyInternal2 (receiver=0x561f503137b8, event=0x7f488001b4f0) at kernel/qcoreapplication.cpp:1060
#17 0x00007f49462f0eee in QCoreApplication::sendEvent (receiver=<optimized out>, event=event@entry=0x7f488001b4f0) at kernel/qcoreapplication.cpp:1450
#18 0x00007f49462f38d7 in QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x561f474c7540) at kernel/qcoreapplication.cpp:1799
#19 0x00007f49462f3e78 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1653
#20 0x00007f494634e793 in postEventSourceDispatch (s=0x561f475ffaf0) at kernel/qeventdispatcher_glib.cpp:276
#21 0x00007f493cfd8417 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f493cfd8650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f493cfd86dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f494634ddaf in QEventDispatcherGlib::processEvents (this=0x561f47611920, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#25 0x00007f49462ef03a in QEventLoop::exec (this=this@entry=0x7ffcbee9deb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#26 0x00007f49462f8170 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1363
#27 0x0000561f4638e225 in main (argc=<optimized out>, argv=0x7ffcbee9e158) at ./src/main.cpp:220

Reported using DrKonqi