https://bugs.kde.org/show_bug.cgi?id=430295

            Bug ID: 430295
           Summary: Kdenlive 20.12.0 crash when switching to clip profile
           Product: kdenlive
           Version: 20.12.0
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: crash
          Priority: NOR
         Component: User Interface
          Assignee: j...@kdenlive.org
          Reporter: a...@arnaud-jacquemin.fr
  Target Milestone: ---

SUMMARY
Kdenlive 20.12.0 crashes when I switch to the clip profile

STEPS TO REPRODUCE
After adding a clip in the "Project Bin" panel, kdendelive advise to switch the
project to clip profile.

OBSERVED RESULT
If I clic on the "Switch" button, kdenlive crashes.
The crash can be reproduced every time.

EXPECTED RESULT
Should not crash

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Kubuntu 20.4
KDE Plasma Version: 5.18.5
KDE Frameworks Version: 5.68.0
Qt Version: 5.12.8
Application: kdenlive (20.12.0)
Operating System: Linux 5.4.0-58-generic x86_64
Windowing system: X11
Distribution: Ubuntu 20.04.1 LTS

ADDITIONAL INFORMATION
I use the PPA Kdenlive Stable version
MLT version 6.24.0



-- 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 0x7f1582c25800 (LWP 1321))]

Thread 30 (Thread 0x7f14eaffd700 (LWP 1389)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f15140129c4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f1514012a28,
cond=0x7f1514012998) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f1514012998, mutex=0x7f1514012a28) at
pthread_cond_wait.c:638
#3  0x00007f156cbcbff6 in  () at /lib/x86_64-linux-gnu/libavcodec.so.58
#4  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#5  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7f14eb7fe700 (LWP 1388)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f1514012814) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f1514012878,
cond=0x7f15140127e8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f15140127e8, mutex=0x7f1514012878) at
pthread_cond_wait.c:638
#3  0x00007f156cbcbff6 in  () at /lib/x86_64-linux-gnu/libavcodec.so.58
#4  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#5  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7f14ebfff700 (LWP 1387)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f1514012664) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f15140126c8,
cond=0x7f1514012638) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f1514012638, mutex=0x7f15140126c8) at
pthread_cond_wait.c:638
#3  0x00007f156cbcbff6 in  () at /lib/x86_64-linux-gnu/libavcodec.so.58
#4  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#5  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7f14fcff9700 (LWP 1386)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f15140124b4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f1514012518,
cond=0x7f1514012488) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f1514012488, mutex=0x7f1514012518) at
pthread_cond_wait.c:638
#3  0x00007f156cbcbff6 in  () at /lib/x86_64-linux-gnu/libavcodec.so.58
#4  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#5  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7f14fd7fa700 (LWP 1385)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f1514012304) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f1514012368,
cond=0x7f15140122d8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f15140122d8, mutex=0x7f1514012368) at
pthread_cond_wait.c:638
#3  0x00007f156cbcbff6 in  () at /lib/x86_64-linux-gnu/libavcodec.so.58
#4  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#5  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7f14fdffb700 (LWP 1384)):
#0  0x00007f15863cdaff in __GI___poll (fds=0x7f14f8001ce0, nfds=3, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1585b321d6 in  () at /lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007f1585b23841 in pa_mainloop_poll () at
/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f1585b23ec3 in pa_mainloop_iterate () at
/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f1585b23f70 in pa_mainloop_run () at
/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f1585b3211d in  () at /lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f1584fe272c in  () at
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so
#7  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#8  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7f15027fc700 (LWP 1383)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c41e613fc0) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c41e614028,
cond=0x55c41e613f98) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c41e613f98, mutex=0x55c41e614028) at
pthread_cond_wait.c:638
#3  0x00007f156cbcbff6 in  () at /lib/x86_64-linux-gnu/libavcodec.so.58
#4  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#5  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7f1502ffd700 (LWP 1382)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c41e613e10) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c41e613e78,
cond=0x55c41e613de8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c41e613de8, mutex=0x55c41e613e78) at
pthread_cond_wait.c:638
#3  0x00007f156cbcbff6 in  () at /lib/x86_64-linux-gnu/libavcodec.so.58
#4  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#5  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f15037fe700 (LWP 1381)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c41e613c60) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c41e613cc8,
cond=0x55c41e613c38) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c41e613c38, mutex=0x55c41e613cc8) at
pthread_cond_wait.c:638
#3  0x00007f156cbcbff6 in  () at /lib/x86_64-linux-gnu/libavcodec.so.58
#4  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#5  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f1503fff700 (LWP 1380)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c41e613ab0) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c41e613b18,
cond=0x55c41e613a88) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c41e613a88, mutex=0x55c41e613b18) at
pthread_cond_wait.c:638
#3  0x00007f156cbcbff6 in  () at /lib/x86_64-linux-gnu/libavcodec.so.58
#4  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#5  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f1524ff9700 (LWP 1379)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c41e613900) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c41e613968,
cond=0x55c41e6138d8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c41e6138d8, mutex=0x55c41e613968) at
pthread_cond_wait.c:638
#3  0x00007f156cbcbff6 in  () at /lib/x86_64-linux-gnu/libavcodec.so.58
#4  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#5  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f15257fa700 (LWP 1378)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c41df3f9c4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c41df3fa28,
cond=0x55c41df3f998) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c41df3f998, mutex=0x55c41df3fa28) at
pthread_cond_wait.c:638
#3  0x00007f156cbcbff6 in  () at /lib/x86_64-linux-gnu/libavcodec.so.58
#4  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#5  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f1525ffb700 (LWP 1377)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c41df3f814) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c41df3f878,
cond=0x55c41df3f7e8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c41df3f7e8, mutex=0x55c41df3f878) at
pthread_cond_wait.c:638
#3  0x00007f156cbcbff6 in  () at /lib/x86_64-linux-gnu/libavcodec.so.58
#4  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#5  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f15267fc700 (LWP 1376)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c41df3f664) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c41df3f6c8,
cond=0x55c41df3f638) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c41df3f638, mutex=0x55c41df3f6c8) at
pthread_cond_wait.c:638
#3  0x00007f156cbcbff6 in  () at /lib/x86_64-linux-gnu/libavcodec.so.58
#4  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#5  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f1526ffd700 (LWP 1375)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c41df3f4b4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c41df3f518,
cond=0x55c41df3f488) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c41df3f488, mutex=0x55c41df3f518) at
pthread_cond_wait.c:638
#3  0x00007f156cbcbff6 in  () at /lib/x86_64-linux-gnu/libavcodec.so.58
#4  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#5  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f15277fe700 (LWP 1374)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55c41df3f304) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c41df3f368,
cond=0x55c41df3f2d8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55c41df3f2d8, mutex=0x55c41df3f368) at
pthread_cond_wait.c:638
#3  0x00007f156cbcbff6 in  () at /lib/x86_64-linux-gnu/libavcodec.so.58
#4  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#5  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f1533fff700 (LWP 1336)):
#0  0x00007f15863cdaff in __GI___poll (fds=0x7f15280056a0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f15851721ae in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f15851722e3 in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1586ab8583 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f1528000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f1586a5f4db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f1533ffed60, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007f1586897785 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007f158864ae1a in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f15868989d2 in QThreadPrivate::start(void*) (arg=0x55c41da8f490) at
thread/qthread_unix.cpp:361
#8  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f154173f700 (LWP 1335)):
#0  0x00007f15863cdaff in __GI___poll (fds=0x7f152c0025e0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f15851721ae in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f15851722e3 in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1586ab8583 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f152c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f1586a5f4db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f154173ed80, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007f1586897785 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007f158722a1a9 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f15868989d2 in QThreadPrivate::start(void*) (arg=0x55c41d895460) at
thread/qthread_unix.cpp:361
#8  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f1541fbd700 (LWP 1334)):
#0  0x00007f15851720ab in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f15851722e3 in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1586ab8583 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f1538000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#3  0x00007f1586a5f4db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f1541fbcd60, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#4  0x00007f1586897785 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#5  0x00007f158864ae1a in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f15868989d2 in QThreadPrivate::start(void*) (arg=0x55c41d88fb40) at
thread/qthread_unix.cpp:361
#7  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#8  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f15431fe700 (LWP 1333)):
#0  __GI___libc_read (nbytes=16, buf=0x7f15431fdb70, fd=22) at
../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=22, buf=0x7f15431fdb70, nbytes=16) at
../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f15851ba89f in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1585171cfe in g_main_context_check () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1585172152 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f15851722e3 in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f1586ab8583 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f1534000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#7  0x00007f1586a5f4db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f15431fdd80, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#8  0x00007f1586897785 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#9  0x00007f158722a1a9 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f15868989d2 in QThreadPrivate::start(void*) (arg=0x55c41d63c290) at
thread/qthread_unix.cpp:361
#11 0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#12 0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f1543fff700 (LWP 1332)):
#0  0x00007f15863cdaff in __GI___poll (fds=0x7f153c0025e0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f15851721ae in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f15851722e3 in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1586ab8583 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f153c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f1586a5f4db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f1543ffed80, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007f1586897785 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007f158722a1a9 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f15868989d2 in QThreadPrivate::start(void*) (arg=0x55c41d535bd0) at
thread/qthread_unix.cpp:361
#8  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f15517b7700 (LWP 1331)):
#0  0x00007f15851bf33d in g_mutex_lock () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f15851713a8 in g_main_context_release () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1585172169 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f15851722e3 in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1586ab8583 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f1548000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f1586a5f4db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f15517b6d80, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#6  0x00007f1586897785 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#7  0x00007f158722a1a9 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f15868989d2 in QThreadPrivate::start(void*) (arg=0x55c41d220310) at
thread/qthread_unix.cpp:361
#9  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f1553e09700 (LWP 1329)):
#0  0x00007f15863cdaff in __GI___poll (fds=0x7f15440029e0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f15851721ae in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f15851722e3 in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1586ab8583 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f1544000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f1586a5f4db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f1553e08d80, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007f1586897785 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007f158722a1a9 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f15868989d2 in QThreadPrivate::start(void*) (arg=0x55c41b6f1e20) at
thread/qthread_unix.cpp:361
#8  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f15752eb700 (LWP 1327)):
#0  0x00007f15863cdaff in __GI___poll (fds=0x7f155800fe00, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f15851721ae in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f15851722e3 in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1586ab8583 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f1558000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f1586a5f4db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f15752ead70, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007f1586897785 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007f15880b7efa in  () at /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f15868989d2 in QThreadPrivate::start(void*) (arg=0x7f158813ad80) at
thread/qthread_unix.cpp:361
#8  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f1575aec700 (LWP 1326)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f157c0046c8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f157c004678,
cond=0x7f157c0046a0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f157c0046a0, mutex=0x7f157c004678) at
pthread_cond_wait.c:638
#3  0x00007f157adfe62b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f157adfe23b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f15762ed700 (LWP 1325)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f157c0046c8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f157c004678,
cond=0x7f157c0046a0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f157c0046a0, mutex=0x7f157c004678) at
pthread_cond_wait.c:638
#3  0x00007f157adfe62b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f157adfe23b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f156ffff700 (LWP 1324)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f157c0046c8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f157c004678,
cond=0x7f157c0046a0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f157c0046a0, mutex=0x7f157c004678) at
pthread_cond_wait.c:638
#3  0x00007f157adfe62b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f157adfe23b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f1580aa0700 (LWP 1323)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f157c0046c8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f157c004678,
cond=0x7f157c0046a0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f157c0046a0, mutex=0x7f157c004678) at
pthread_cond_wait.c:638
#3  0x00007f157adfe62b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f157adfe23b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f1581af2700 (LWP 1322)):
#0  0x00007f15863cdaff in __GI___poll (fds=0x7f1581af1ca8, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1585053c1a in  () at /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f158505590a in xcb_wait_for_event () at
/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f15822f6298 in  () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f15868989d2 in QThreadPrivate::start(void*) (arg=0x55c41aaf9d10) at
thread/qthread_unix.cpp:361
#5  0x00007f1585add609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f15863da293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f1582c25800 (LWP 1321)):
[KCrash Handler]
#6  0x00007f1588396de4 in Mlt::Properties::set(char const*, int) () at
/lib/x86_64-linux-gnu/libmlt++.so.3
#7  0x000055c419cad2e8 in GLWidget::requestRefresh() (this=0x55c41aed6370) at
/usr/include/c++/9/bits/shared_ptr_base.h:1020
#8  0x00007f1586a8c458 in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7fff396ae4b0, r=0x55c41b630bf0, this=0x55c41bc22220) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#9  QMetaObject::activate(QObject*, int, int, void**) (sender=0x55c41b4bda70,
signalOffset=<optimized out>, local_signal_index=<optimized out>,
argv=<optimized out>) at kernel/qobject.cpp:3784
#10 0x000055c419f03b3f in Core::setCurrentProfile(QString const&)
(this=0x55c41af6cd50, profilePath=...) at ./src/core.cpp:262
#11 0x000055c419bdf829 in
KdenliveDoc::switchProfile(std::unique_ptr<ProfileParam,
std::default_delete<ProfileParam> >&, QString const&, QDomElement const&)
(this=0x55c41e307180, profile=std::unique_ptr<class ProfileParam> = {...},
id=..., xml=...) at /usr/include/c++/9/bits/unique_ptr.h:360
#12 0x000055c419c55cb0 in LoadJob::checkProfile(QString const&, QDomElement
const&, std::shared_ptr<Mlt::Producer> const&) (clipId=..., xml=...,
producer=std::shared_ptr<class Mlt::Producer> (use count 1, weak count 0) =
{...}) at /usr/include/c++/9/bits/unique_ptr.h:360
#13 0x000055c419c5cdf9 in LoadJob::commitResult(std::function<bool ()>&,
std::function<bool ()>&) (this=0x55c41e7c53e0, undo=..., redo=...) at
./src/jobs/loadjob.cpp:689
#14 0x000055c419c4f2ed in JobManager::slotManageFinishedJob(int)
(this=0x55c41b3073e0, id=<optimized out>) at
/usr/include/c++/9/bits/shared_ptr_base.h:1020
#15 0x00007f1586a8c458 in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7fff396aeb00, r=0x55c41b3073e0, this=0x7f154c011630) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#16 QMetaObject::activate(QObject*, int, int, void**) (sender=0x55c41e63c5a8,
signalOffset=<optimized out>, local_signal_index=<optimized out>,
argv=<optimized out>) at kernel/qobject.cpp:3784
#17 0x00007f15868a2f65 in QFutureWatcherBase::event(QEvent*) (this=<optimized
out>, event=0x7f1520003900) at thread/qfuturewatcher.cpp:334
#18 0x00007f1587b6fa66 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=this@entry=0x55c41aaece80, receiver=receiver@entry=0x55c41e63c5a8,
e=e@entry=0x7f1520003900) at kernel/qapplication.cpp:3700
#19 0x00007f1587b790f0 in QApplication::notify(QObject*, QEvent*)
(this=0x7fff396af190, receiver=0x55c41e63c5a8, e=0x7f1520003900) at
kernel/qapplication.cpp:3446
#20 0x00007f1586a6093a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x55c41e63c5a8, event=0x7f1520003900) at
../../include/QtCore/../../src/corelib/kernel/qobject.h:142
#21 0x00007f1586a635b8 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) (receiver=0x0, event_type=0, data=0x55c41ab0b2d0) at
kernel/qcoreapplication.cpp:1825
#22 0x00007f1586ab8f67 in postEventSourceDispatch(GSource*, GSourceFunc,
gpointer) (s=0x55c41ab801d0) at kernel/qeventdispatcher_glib.cpp:276
#23 0x00007f1585171fbd in g_main_context_dispatch () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f1585172240 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f15851722e3 in g_main_context_iteration () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f1586ab8565 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x55c41ab7e350, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#27 0x00007f1586a5f4db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7fff396af080, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#28 0x00007f1586a67246 in QCoreApplication::exec() () at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#29 0x000055c4199d46a9 in main(int, char**) (argc=<optimized out>,
argv=0x7fff396af408) at ./src/main.cpp:263
[Inferior 1 (process 1321) detached]

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