在 2023年12月12日星期二 CST 下午11:29:00,Patrick Matthäi 写道:
> Can you install the dbgsym packages and run it with gdb and send a 
> backtrace?
> 
> Am 12.12.2023 um 16:21 schrieb Bob Wong:
> > 在 2023年12月12日星期二 CST 下午11:05:29,您写道:
> >> Hey
> >>
> >> Am 05.12.2021 um 02:22 schrieb Bob Wong:
> >>> Package: kdenlive
> >>> Version: 21.08.3-1
> >>> Severity: normal
> >>> X-Debbugs-Cc:ybx...@gmail.com
> >>>
> >>> Dear Maintainer,
> >>>
> >>>     The software crashes with Use GPU processing function enabled.
> >> Do you still have this issue with kdenlive 23.08.4-1?
> >>
> > Yes. If I enable the GPU rendering, the software will still crash.
> > -- System Information:
> > Debian Release: trixie/sid
> >    APT prefers testing
> >    APT policy: (500, 'testing')
> > Architecture: amd64 (x86_64)
> > Foreign Architectures: i386
> >
> > Kernel: Linux 6.5.0-5-amd64 (SMP w/12 CPU threads; PREEMPT)
> > Locale: LANG=zh_CN.UTF-8, LC_CTYPE=zh_CN.UTF-8 (charmap=UTF-8), 
> > LANGUAGE=zh_CN:zh
> > Shell: /bin/sh linked to /usr/bin/dash
> > Init: systemd (via /run/systemd/system)
> > LSM: AppArmor: enabled
> >
> > Versions of packages kdenlive depends on:
> > ii  breeze                         4:5.27.9-1
> > ii  breeze-icon-theme              4:5.107.0-1
> > ii  ffmpeg                         7:6.1-5
> > ii  gstreamer1.0-plugins-bad       1.22.7-1
> > ii  kded5                          5.107.0-1
> > ii  kdenlive-data                  23.08.3-1
> > ii  kinit                          5.107.0-1
> > ii  kio                            5.107.0-1
> > ii  libc6                          2.37-12
> > ii  libkf5archive5                 5.107.0-1
> > ii  libkf5bookmarks5               5.107.0-1
> > ii  libkf5codecs5                  5.107.0-1
> > ii  libkf5completion5              5.107.0-1
> > ii  libkf5configcore5              5.107.0-1
> > ii  libkf5configgui5               5.107.0-1
> > ii  libkf5configwidgets5           5.107.0-2
> > ii  libkf5coreaddons5              5.107.0-1
> > ii  libkf5crash5                   5.107.0-1
> > ii  libkf5dbusaddons5              5.107.0-1
> > ii  libkf5filemetadata3            5.107.0-1+b1
> > ii  libkf5guiaddons5               5.107.0-1
> > ii  libkf5i18n5                    5.107.0-1+b1
> > ii  libkf5iconthemes5              5.107.0-1+b1
> > ii  libkf5itemviews5               5.107.0-1
> > ii  libkf5jobwidgets5              5.107.0-1
> > ii  libkf5kiocore5                 5.107.0-1
> > ii  libkf5kiofilewidgets5          5.107.0-1
> > ii  libkf5kiogui5                  5.107.0-1
> > ii  libkf5kiowidgets5              5.107.0-1
> > ii  libkf5newstuffwidgets5         5.107.0-2
> > ii  libkf5notifications5           5.107.0-1
> > ii  libkf5notifyconfig5            5.107.0-1
> > ii  libkf5purpose-bin              5.107.0-1
> > ii  libkf5purpose5                 5.107.0-1
> > ii  libkf5solid5                   5.107.0-1
> > ii  libkf5textwidgets5             5.107.0-1
> > ii  libkf5widgetsaddons5           5.107.0-1
> > ii  libkf5xmlgui5                  5.107.0-1+b1
> > ii  libmlt++7                      7.22.0-1
> > ii  libmlt7                        7.22.0-1
> > ii  libqt5core5a                   5.15.10+dfsg-5
> > ii  libqt5dbus5                    5.15.10+dfsg-5
> > ii  libqt5gui5                     5.15.10+dfsg-5
> > ii  libqt5multimedia5              5.15.10-2
> > ii  libqt5network5                 5.15.10+dfsg-5
> > ii  libqt5networkauth5             5.15.10-2
> > ii  libqt5qml5                     5.15.10+dfsg-2
> > ii  libqt5quick5                   5.15.10+dfsg-2
> > ii  libqt5quickcontrols2-5         5.15.10+dfsg-2
> > ii  libqt5quickwidgets5            5.15.10+dfsg-2
> > ii  libqt5svg5                     5.15.10-2
> > ii  libqt5widgets5                 5.15.10+dfsg-5
> > ii  libqt5xml5                     5.15.10+dfsg-5
> > ii  libstdc++6                     13.2.0-7
> > ii  melt                           7.22.0-1
> > ii  qml-module-org-kde-kcm         5.107.0-1
> > ii  qml-module-org-kde-newstuff    5.107.0-2
> > ii  qml-module-qtgraphicaleffects  5.15.10-2
> > ii  qml-module-qtqml-models2       5.15.10+dfsg-2
> > ii  qml-module-qtquick-controls    5.15.10-2
> > ii  qml-module-qtquick-controls2   5.15.10+dfsg-2
> > ii  qml-module-qtquick-dialogs     5.15.10-2
> > ii  qml-module-qtquick-layouts     5.15.10+dfsg-2
> > ii  qml-module-qtquick-window2     5.15.10+dfsg-2
> > ii  qml-module-qtquick2            5.15.10+dfsg-2
> >
> > Versions of packages kdenlive recommends:
> > ii  dvdauthor          0.7.2-2
> > ii  dvgrab             3.5+git20160707.1.e46042e-1+b1
> > ii  frei0r-plugins     1.8.0-1+b1
> > ii  genisoimage        9:1.1.11-3.4
> > ii  oxygen-icon-theme  5:5.107.0-1
> > ii  recordmydesktop    0.4.0-1+b1
> > ii  swh-plugins        0.4.17-3
> >
> > Versions of packages kdenlive suggests:
> > ii  khelpcenter  4:23.08.3-1
> > ii  vlc          3.0.20-1+b1
> >
> > -- no debconf information
> 
Here is the backtrace:
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffefdff6c0 (LWP 6063)]
[New Thread 0x7fffef5fe6c0 (LWP 6064)]
[New Thread 0x7fffe67ff6c0 (LWP 6065)]
[New Thread 0x7fffe5ffe6c0 (LWP 6066)]
[New Thread 0x7fffe57fd6c0 (LWP 6067)]
[New Thread 0x7fffe4ffc6c0 (LWP 6068)]
[New Thread 0x7fffcbfff6c0 (LWP 6069)]
[New Thread 0x7fffcb7fe6c0 (LWP 6070)]
[New Thread 0x7fffcaffd6c0 (LWP 6071)]
[New Thread 0x7fffca7fc6c0 (LWP 6072)]
[Thread 0x7fffca7fc6c0 (LWP 6072) exited]
[Thread 0x7fffcaffd6c0 (LWP 6071) exited]
[Thread 0x7fffcb7fe6c0 (LWP 6070) exited]
[Thread 0x7fffcbfff6c0 (LWP 6069) exited]
[New Thread 0x7fffcbfff6c0 (LWP 6073)]
[New Thread 0x7fffcb7fe6c0 (LWP 6074)]
[New Thread 0x7fffcaffd6c0 (LWP 6075)]
[New Thread 0x7fffca7fc6c0 (LWP 6076)]
[New Thread 0x7fffc9ffb6c0 (LWP 6077)]
Could not detect package type, probably default? App dir is "/usr/bin"
[New Thread 0x7fffaa9ff6c0 (LWP 6078)]
[New Thread 0x7fffaa1fe6c0 (LWP 6079)]
[New Thread 0x7fffa19fd6c0 (LWP 6080)]
[New Thread 0x7fff911fc6c0 (LWP 6081)]
[New Thread 0x7fff909fb6c0 (LWP 6082)]
[New Thread 0x7fff881fa6c0 (LWP 6083)]
[New Thread 0x7fff7f9f96c0 (LWP 6084)]
[New Thread 0x7fff771f86c0 (LWP 6085)]
[New Thread 0x7fff6e9f76c0 (LWP 6086)]
[New Thread 0x7fff5e1f66c0 (LWP 6087)]
[New Thread 0x7fff5d9f56c0 (LWP 6088)]
profilePath from KdenliveSetting::mltPath:  "/usr/share/mlt-7/profiles"
meltPath from KdenliveSetting::meltPath:  "/usr/bin/melt-7"
[New Thread 0x7fff4053d6c0 (LWP 6089)]
Empty metadata for  "glsl.manager"
Empty metadata for  "telecide"
plugin not available: "avfilter.acompressor"
plugin not available: "avfilter.aecho"
plugin not available: "avfilter.agate"
plugin not available: "avfilter.atadenoise"
plugin not available: "avfilter.bwdif"
plugin not available: "avfilter.deblock"
plugin not available: "avfilter.dedot"
plugin not available: "avfilter.deflate"
plugin not available: "avfilter.derain"
plugin not available: "avfilter.doubleweave"
plugin not available: "avfilter.field"
plugin not available: "avfilter.framestep"
plugin not available: "avfilter.fspp"
plugin not available: "avfilter.graphmonitor"
plugin not available: "avfilter.hqdn3d"
plugin not available: "avfilter.inflate"
plugin not available: "avfilter.lagfun"
plugin not available: "avfilter.loudnorm"
plugin not available: "avfilter.random"
plugin not available: "avfilter.removegrain"
plugin not available: "avfilter.separatefields"
plugin not available: "avfilter.shuffleplanes"
plugin not available: "avfilter.sr"
plugin not available: "avfilter.tmix"
plugin not available: "avfilter.w3fdif"
plugin not available: "avfilter.weave"
plugin not available: "avfilter.yadif"
plugin not available: "frei0r.baltan"
plugin not available: "frei0r.bgsubtract0r"
plugin not available: "frei0r.bigsh0t_eq_mask"
plugin not available: "frei0r.bigsh0t_eq_to_rect"
plugin not available: "frei0r.bigsh0t_eq_to_stereo"
plugin not available: "frei0r.bigsh0t_hemi_to_eq"
plugin not available: "frei0r.bigsh0t_rect_to_eq"
plugin not available: "frei0r.bigsh0t_stabilize_360"
plugin not available: "frei0r.bigsh0t_transform_360"
plugin not available: "frei0r.delay0r"
plugin not available: "frei0r.delaygrab"
plugin not available: "frei0r.lightgraffiti"
plugin not available: "frei0r.lightgraffiti"
plugin not available: "frei0r.tehRoxx0r"
plugin not available: "ladspa"
plugin not available: "ladspa"
plugin not available: "ladspa"
plugin not available: "ladspa.9354877"
plugin not available: "ladspa"
plugin not available: "ladspa"
plugin not available: "ladspa"
plugin not available: "ladspa"
plugin not available: "ladspa"
plugin not available: "ladspa"
plugin not available: "ladspa"
plugin not available: "ladspa"
plugin not available: "movit.unsharp_mask"
plugin not available: "timewarp"
plugin not available: "frei0r.sleid0r_push-down"
plugin not available: "frei0r.sleid0r_push-left"
plugin not available: "frei0r.sleid0r_push-right"
plugin not available: "frei0r.sleid0r_push-up"
plugin not available: "frei0r.sleid0r_slide-down"
plugin not available: "frei0r.sleid0r_slide-left"
plugin not available: "frei0r.sleid0r_slide-up"
plugin not available: "frei0r.sleid0r_slide-right"
plugin not available: "frei0r.sleid0r_wipe-barn-door-h"
plugin not available: "frei0r.sleid0r_wipe-barn-door-v"
plugin not available: "frei0r.sleid0r_wipe-circle"
plugin not available: "frei0r.sleid0r_wipe-down"
plugin not available: "frei0r.sleid0r_wipe-left"
plugin not available: "frei0r.sleid0r_wipe-rect"
plugin not available: "frei0r.sleid0r_wipe-right"
plugin not available: "frei0r.sleid0r_wipe-up"
plugin not available: "region"
kf.kio.core: Malformed JSON protocol file for protocol: "trash" , number of the 
ExtraNames fields should match the number of ExtraTypes fields
kf.kio.core: Malformed JSON protocol file for protocol: "trash" , number of the 
ExtraNames fields should match the number of ExtraTypes fields
[New Thread 0x7fff3fcf16c0 (LWP 6090)]
=== /// CANNOT ACCESS SPEECH DICTIONARIES FOLDER
[New Thread 0x7fff3dfff6c0 (LWP 6091)]
[New Thread 0x7fff2ebff6c0 (LWP 6092)]
QQmlEngine::setContextForObject(): Object already has a QQmlContext
[New Thread 0x7fff2ddfe6c0 (LWP 6093)]
[New Thread 0x7fff2d5fd6c0 (LWP 6094)]
Hspell: can't open /usr/share/hspell/hebrew.wgz.sizes.
kf.sonnet.clients.hspell: HSpellDict::HSpellDict: Init failed
QQmlEngine::setContextForObject(): Object already has a QQmlContext
[New Thread 0x7fff1ff366c0 (LWP 6095)]
[New Thread 0x7fff1f7356c0 (LWP 6096)]
QQmlEngine::setContextForObject(): Object already has a QQmlContext
QQmlEngine::setContextForObject(): Object already has a QQmlContext
[New Thread 0x7fff1cfff6c0 (LWP 6097)]
[New Thread 0x7fff0ebff6c0 (LWP 6098)]
[New Thread 0x7fff0e3fe6c0 (LWP 6099)]
[New Thread 0x7fff0dbfd6c0 (LWP 6100)]
[New Thread 0x7fff0d3fc6c0 (LWP 6101)]
[New Thread 0x7fff0cbfb6c0 (LWP 6102)]
[New Thread 0x7ffef7fff6c0 (LWP 6103)]
[New Thread 0x7ffef77fe6c0 (LWP 6104)]
[New Thread 0x7ffef6ffd6c0 (LWP 6105)]
[New Thread 0x7ffef67fc6c0 (LWP 6106)]
[New Thread 0x7ffef5ffb6c0 (LWP 6107)]
[New Thread 0x7ffef57fa6c0 (LWP 6108)]
[New Thread 0x7ffef4ff96c0 (LWP 6109)]
[New Thread 0x7ffed7fff6c0 (LWP 6110)]
[New Thread 0x7ffed77fe6c0 (LWP 6111)]
[New Thread 0x7ffed6ffd6c0 (LWP 6112)]
[New Thread 0x7ffed67fc6c0 (LWP 6113)]
[New Thread 0x7ffed5ffb6c0 (LWP 6114)]
[New Thread 0x7ffed57fa6c0 (LWP 6115)]
[New Thread 0x7ffed4ff96c0 (LWP 6116)]
[New Thread 0x7ffeb7fff6c0 (LWP 6117)]
[New Thread 0x7ffeb77fe6c0 (LWP 6118)]
[New Thread 0x7ffeb6ffd6c0 (LWP 6119)]
[New Thread 0x7ffeb67fc6c0 (LWP 6120)]
[New Thread 0x7ffeb5ffb6c0 (LWP 6121)]
[New Thread 0x7ffeb57fa6c0 (LWP 6122)]
[New Thread 0x7ffeb4ff96c0 (LWP 6123)]
[New Thread 0x7ffe97fff6c0 (LWP 6124)]
[New Thread 0x7ffe977fe6c0 (LWP 6125)]
[New Thread 0x7ffe96ffd6c0 (LWP 6126)]
[New Thread 0x7ffe967fc6c0 (LWP 6127)]
[New Thread 0x7ffe95ffb6c0 (LWP 6128)]
[New Thread 0x7ffe957fa6c0 (LWP 6129)]
[New Thread 0x7ffe94ff96c0 (LWP 6130)]
[New Thread 0x7ffe77fff6c0 (LWP 6131)]
[New Thread 0x7ffe777fe6c0 (LWP 6132)]
[New Thread 0x7ffe76ffd6c0 (LWP 6133)]
[New Thread 0x7ffe767fc6c0 (LWP 6134)]
[New Thread 0x7ffe75ffb6c0 (LWP 6135)]
[New Thread 0x7ffe757fa6c0 (LWP 6136)]
[New Thread 0x7ffe74ff96c0 (LWP 6137)]
:::: NOT FOUND DOCUMENT GUIDES !!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!
[New Thread 0x7ffe57fff6c0 (LWP 6138)]
QQmlEngine::setContextForObject(): Object already has a QQmlContext
qrc:/qml/timeline.qml:502: ReferenceError: proxy is not defined
qrc:/qml/timeline.qml:482: ReferenceError: proxy is not defined
[New Thread 0x7ffe577fe6c0 (LWP 6139)]
[New Thread 0x7ffe56ffd6c0 (LWP 6140)]
[New Thread 0x7ffe567fc6c0 (LWP 6141)]
[New Thread 0x7ffe55ffb6c0 (LWP 6142)]
==== NO PREVIOUS TIMELINE
::::::::::: connecting timeline:  
QUuid("{4bc97da3-95d1-4f61-a39c-ae3ac1c1ad9b}") , DUR:  0
[New Thread 0x7fff1e39f6c0 (LWP 6143)]
[New Thread 0x7ffe557fa6c0 (LWP 6144)]
root context get sub model new function
[New Thread 0x7ffe54ff96c0 (LWP 6145)]
[New Thread 0x7ffe33fff6c0 (LWP 6146)]
[New Thread 0x7ffe337fe6c0 (LWP 6147)]
[New Thread 0x7ffe32ffd6c0 (LWP 6148)]
[New Thread 0x7ffe327fc6c0 (LWP 6149)]
HHHHHHHHHHHH
INVALID BIN PLAYLIST...
=== OPENING FILE WITH TRACKS:  5
[New Thread 0x7ffe31ffb6c0 (LWP 6150)]
QWaylandGLContext::makeCurrent: eglError: 3002, this: 0x55555c0a70c0 

QOpenGLFunctions created with non-current context
[New Thread 0x7ffe317fa6c0 (LWP 6153)]

Thread 76 "FrameRenderer" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7ffe74ff96c0 (LWP 6137)]
0x0000555555969fb3 in ?? ()
#0  0x0000555555969fb3 in ?? ()
#1  0x0000555555673adc in ?? ()
#2  0x00007ffff50f9940 in QObject::event(QEvent*) () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007ffff6562f32 in QApplicationPrivate::notify_helper(QObject*, QEvent*) 
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#4  0x00007ffff50cc748 in QCoreApplication::notifyInternal2(QObject*, QEvent*) 
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ffff50cfe51 in QCoreApplicationPrivate::sendPostedEvents(QObject*, 
int, QThreadData*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ffff5128697 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ffff38831f4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007ffff3886317 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007ffff3886930 in g_main_context_iteration () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007ffff5127d4a in 
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () 
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007ffff50cb0fb in 
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007ffff4ed9c52 in QThread::exec() () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007ffff4edaeb1 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#15 0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#0  0x0000555555969fb3 in ?? ()
No symbol table info available.
#1  0x0000555555673adc in ?? ()
No symbol table info available.
#2  0x00007ffff50f9940 in QObject::event(QEvent*) () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#3  0x00007ffff6562f32 in QApplicationPrivate::notify_helper(QObject*, QEvent*) 
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#4  0x00007ffff50cc748 in QCoreApplication::notifyInternal2(QObject*, QEvent*) 
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007ffff50cfe51 in QCoreApplicationPrivate::sendPostedEvents(QObject*, 
int, QThreadData*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#6  0x00007ffff5128697 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#7  0x00007ffff38831f4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#8  0x00007ffff3886317 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#9  0x00007ffff3886930 in g_main_context_iteration () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#10 0x00007ffff5127d4a in 
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () 
from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#11 0x00007ffff50cb0fb in 
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#12 0x00007ffff4ed9c52 in QThread::exec() () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#13 0x00007ffff4edaeb1 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#14 0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#15 0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 90 (Thread 0x7ffe317fa6c0 (LWP 6153) "kdenlive"):
#0  0x00007ffff4926a39 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.

Thread 89 (Thread 0x7ffe31ffb6c0 (LWP 6150) "SDLAudioP2"):
#0  0x00007ffff4919b16 in ppoll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff409c029 in pa_mainloop_poll () from 
/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#2  0x00007ffff409c606 in pa_mainloop_iterate () from 
/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#3  0x00007fffae7293ca in ?? () from /lib/x86_64-linux-gnu/libSDL2-2.0.so.0
No symbol table info available.
#4  0x00007fffae655185 in ?? () from /lib/x86_64-linux-gnu/libSDL2-2.0.so.0
No symbol table info available.
#5  0x00007fffae6c3489 in ?? () from /lib/x86_64-linux-gnu/libSDL2-2.0.so.0
No symbol table info available.
#6  0x00007fffae7690fd in ?? () from /lib/x86_64-linux-gnu/libSDL2-2.0.so.0
No symbol table info available.
#7  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#8  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 88 (Thread 0x7ffe327fc6c0 (LWP 6149) "RenderThread"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007ffff7d08c38 in ?? () from /lib/x86_64-linux-gnu/libmlt-7.so.7
No symbol table info available.
#3  0x0000555555969791 in ?? ()
No symbol table info available.
#4  0x00007ffff4edaeb1 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 87 (Thread 0x7ffe32ffd6c0 (LWP 6148) "kdenlive:gl0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 86 (Thread 0x7ffe337fe6c0 (LWP 6147) "kdenlive:gdrv0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 85 (Thread 0x7ffe33fff6c0 (LWP 6146) "kdenlive:gl0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 84 (Thread 0x7ffe54ff96c0 (LWP 6145) "kdenlive:gdrv0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 83 (Thread 0x7ffe557fa6c0 (LWP 6144) "kdenlive"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffe4003519 in ?? () from 
/usr/lib/x86_64-linux-gnu/mlt-7/libmltsdl2.so
No symbol table info available.
#3  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 82 (Thread 0x7fff1e39f6c0 (LWP 6143) "PulseHotplug"):
#0  0x00007ffff4919b16 in ppoll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff409c029 in pa_mainloop_poll () from 
/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#2  0x00007ffff409c606 in pa_mainloop_iterate () from 
/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#3  0x00007ffff409c6b0 in pa_mainloop_run () from 
/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#4  0x00007fffae7297a3 in ?? () from /lib/x86_64-linux-gnu/libSDL2-2.0.so.0
No symbol table info available.
#5  0x00007fffae6c3489 in ?? () from /lib/x86_64-linux-gnu/libSDL2-2.0.so.0
No symbol table info available.
#6  0x00007fffae7690fd in ?? () from /lib/x86_64-linux-gnu/libSDL2-2.0.so.0
No symbol table info available.
#7  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#8  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 81 (Thread 0x7ffe55ffb6c0 (LWP 6142) "kdenlive:gl0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 80 (Thread 0x7ffe567fc6c0 (LWP 6141) "kdenlive:gdrv0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 79 (Thread 0x7ffe56ffd6c0 (LWP 6140) "kdenlive:gl0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 78 (Thread 0x7ffe577fe6c0 (LWP 6139) "kdenlive:gdrv0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 77 (Thread 0x7ffe57fff6c0 (LWP 6138) "QQmlThread"):
#0  0x00007ffff4919a1f in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff3886277 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007ffff3886930 in g_main_context_iteration () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ffff5127d4a in 
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () 
from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#4  0x00007ffff50cb0fb in 
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007ffff4ed9c52 in QThread::exec() () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#6  0x00007ffff6128d95 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
No symbol table info available.
#7  0x00007ffff4edaeb1 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#8  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#9  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 76 (Thread 0x7ffe74ff96c0 (LWP 6137) "FrameRenderer"):
#0  0x0000555555969fb3 in ?? ()
No symbol table info available.
#1  0x0000555555673adc in ?? ()
No symbol table info available.
#2  0x00007ffff50f9940 in QObject::event(QEvent*) () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#3  0x00007ffff6562f32 in QApplicationPrivate::notify_helper(QObject*, QEvent*) 
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#4  0x00007ffff50cc748 in QCoreApplication::notifyInternal2(QObject*, QEvent*) 
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007ffff50cfe51 in QCoreApplicationPrivate::sendPostedEvents(QObject*, 
int, QThreadData*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#6  0x00007ffff5128697 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#7  0x00007ffff38831f4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#8  0x00007ffff3886317 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#9  0x00007ffff3886930 in g_main_context_iteration () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#10 0x00007ffff5127d4a in 
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () 
from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#11 0x00007ffff50cb0fb in 
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#12 0x00007ffff4ed9c52 in QThread::exec() () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#13 0x00007ffff4edaeb1 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#14 0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#15 0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 75 (Thread 0x7ffe757fa6c0 (LWP 6136) "kdenlive:gl0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 74 (Thread 0x7ffe75ffb6c0 (LWP 6135) "kdenlive:gdrv0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 73 (Thread 0x7ffe767fc6c0 (LWP 6134) "kdenlive:gl0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 72 (Thread 0x7ffe76ffd6c0 (LWP 6133) "kdenlive:gdrv0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 71 (Thread 0x7ffe777fe6c0 (LWP 6132) "kdenlive:gl0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 70 (Thread 0x7ffe77fff6c0 (LWP 6131) "kdenlive:gdrv0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 69 (Thread 0x7ffe94ff96c0 (LWP 6130) "kdenlive:gl0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 68 (Thread 0x7ffe957fa6c0 (LWP 6129) "kdenlive:gdrv0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 67 (Thread 0x7ffe95ffb6c0 (LWP 6128) "kdenlive:gl0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 66 (Thread 0x7ffe967fc6c0 (LWP 6127) "kdenlive:gdrv0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 65 (Thread 0x7ffe96ffd6c0 (LWP 6126) "kdenlive:gl0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 64 (Thread 0x7ffe977fe6c0 (LWP 6125) "kdenlive:gdrv0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 63 (Thread 0x7ffe97fff6c0 (LWP 6124) "FrameRenderer"):
#0  0x00007ffff4919a1f in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff3886277 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007ffff3886930 in g_main_context_iteration () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ffff5127d4a in 
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () 
from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#4  0x00007ffff50cb0fb in 
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007ffff4ed9c52 in QThread::exec() () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#6  0x00007ffff4edaeb1 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#7  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#8  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 62 (Thread 0x7ffeb4ff96c0 (LWP 6123) "kdenlive:gl0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 61 (Thread 0x7ffeb57fa6c0 (LWP 6122) "kdenlive:gdrv0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 60 (Thread 0x7ffeb5ffb6c0 (LWP 6121) "kdenlive:gl0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 59 (Thread 0x7ffeb67fc6c0 (LWP 6120) "kdenlive:gdrv0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 58 (Thread 0x7ffeb6ffd6c0 (LWP 6119) "kdenlive:gl0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 57 (Thread 0x7ffeb77fe6c0 (LWP 6118) "kdenlive:gdrv0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 56 (Thread 0x7ffeb7fff6c0 (LWP 6117) "kdenlive:gl0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 55 (Thread 0x7ffed4ff96c0 (LWP 6116) "kdenlive:gdrv0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 54 (Thread 0x7ffed57fa6c0 (LWP 6115) "kdenlive:gl0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 53 (Thread 0x7ffed5ffb6c0 (LWP 6114) "kdenlive:gdrv0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 52 (Thread 0x7ffed67fc6c0 (LWP 6113) "kdenlive:gl0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 51 (Thread 0x7ffed6ffd6c0 (LWP 6112) "kdenlive:gdrv0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 50 (Thread 0x7ffed77fe6c0 (LWP 6111) "kdenlive:gl0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 49 (Thread 0x7ffed7fff6c0 (LWP 6110) "kdenlive:gdrv0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 48 (Thread 0x7ffef4ff96c0 (LWP 6109) "kdenlive:gl0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 47 (Thread 0x7ffef57fa6c0 (LWP 6108) "kdenlive:gdrv0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 46 (Thread 0x7ffef5ffb6c0 (LWP 6107) "kdenlive:sh2"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 45 (Thread 0x7ffef67fc6c0 (LWP 6106) "kdenlive:sh1"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 44 (Thread 0x7ffef6ffd6c0 (LWP 6105) "kdenlive:gl0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 43 (Thread 0x7ffef77fe6c0 (LWP 6104) "kdenlive:gdrv0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 42 (Thread 0x7ffef7fff6c0 (LWP 6103) "kdenlive:gl0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 41 (Thread 0x7fff0cbfb6c0 (LWP 6102) "kdenlive:gdrv0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 40 (Thread 0x7fff0d3fc6c0 (LWP 6101) "kdenlive:gl0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 39 (Thread 0x7fff0dbfd6c0 (LWP 6100) "kdenlive:gdrv0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 38 (Thread 0x7fff0e3fe6c0 (LWP 6099) "kdenlive:gl0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 37 (Thread 0x7fff0ebff6c0 (LWP 6098) "kdenlive:gdrv0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 36 (Thread 0x7fff1cfff6c0 (LWP 6097) "QQuickPixmapRea"):
#0  0x00007ffff4919a1f in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff3886277 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007ffff3886930 in g_main_context_iteration () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ffff5127d4a in 
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () 
from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#4  0x00007ffff50cb0fb in 
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007ffff4ed9c52 in QThread::exec() () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#6  0x00007ffff6d56a16 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
No symbol table info available.
#7  0x00007ffff4edaeb1 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#8  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#9  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 35 (Thread 0x7fff1f7356c0 (LWP 6096) "QQmlThread"):
#0  0x00007ffff4919a1f in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff3886277 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007ffff3886930 in g_main_context_iteration () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ffff5127d4a in 
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () 
from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#4  0x00007ffff50cb0fb in 
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007ffff4ed9c52 in QThread::exec() () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#6  0x00007ffff6128d95 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
No symbol table info available.
#7  0x00007ffff4edaeb1 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#8  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#9  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 34 (Thread 0x7fff1ff366c0 (LWP 6095) "QQuickPixmapRea"):
#0  0x00007ffff4919a1f in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff3886277 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007ffff3886930 in g_main_context_iteration () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ffff5127d4a in 
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () 
from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#4  0x00007ffff50cb0fb in 
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007ffff4ed9c52 in QThread::exec() () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#6  0x00007ffff6d56a16 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
No symbol table info available.
#7  0x00007ffff4edaeb1 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#8  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#9  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 33 (Thread 0x7fff2d5fd6c0 (LWP 6094) "QQmlThread"):
#0  0x00007ffff4919a1f in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff3886277 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007ffff3886930 in g_main_context_iteration () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ffff5127d4a in 
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () 
from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#4  0x00007ffff50cb0fb in 
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007ffff4ed9c52 in QThread::exec() () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#6  0x00007ffff6128d95 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
No symbol table info available.
#7  0x00007ffff4edaeb1 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#8  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#9  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 32 (Thread 0x7fff2ddfe6c0 (LWP 6093) "Qt bearer threa"):
#0  0x00007ffff4919a1f in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff3886277 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007ffff3886930 in g_main_context_iteration () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ffff5127d4a in 
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () 
from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#4  0x00007ffff50cb0fb in 
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007ffff4ed9c52 in QThread::exec() () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#6  0x00007ffff4edaeb1 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#7  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#8  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 31 (Thread 0x7fff2ebff6c0 (LWP 6092) "QQmlThread"):
#0  0x00007ffff4919a1f in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff3886277 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007ffff3886930 in g_main_context_iteration () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ffff5127d4a in 
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () 
from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#4  0x00007ffff50cb0fb in 
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007ffff4ed9c52 in QThread::exec() () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#6  0x00007ffff6128d95 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
No symbol table info available.
#7  0x00007ffff4edaeb1 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#8  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#9  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 30 (Thread 0x7fff3dfff6c0 (LWP 6091) "QQmlThread"):
#0  0x00007ffff4919a1f in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff3886277 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007ffff3886930 in g_main_context_iteration () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ffff5127d4a in 
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () 
from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#4  0x00007ffff50cb0fb in 
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007ffff4ed9c52 in QThread::exec() () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#6  0x00007ffff6128d95 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
No symbol table info available.
#7  0x00007ffff4edaeb1 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#8  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#9  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 29 (Thread 0x7fff3fcf16c0 (LWP 6090) "kdenlive"):
#0  0x00007ffff491c301 in pselect () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff3815a8f in ?? () from /lib/x86_64-linux-gnu/libusbmuxd-2.0.so.6
No symbol table info available.
#2  0x00007ffff3816d3b in ?? () from /lib/x86_64-linux-gnu/libusbmuxd-2.0.so.6
No symbol table info available.
#3  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 28 (Thread 0x7fff4053d6c0 (LWP 6089) "Thread (pooled)"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5afc in pthread_cond_timedwait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007ffff4ee0c40 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#3  0x00007ffff4ede2cc in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#4  0x00007ffff4edaeb1 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 27 (Thread 0x7fff5d9f56c0 (LWP 6088) "kdenlive"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffab0ef353 in ?? () from /lib/x86_64-linux-gnu/libopenblas.so.0
No symbol table info available.
#3  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 26 (Thread 0x7fff5e1f66c0 (LWP 6087) "kdenlive"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffab0ef353 in ?? () from /lib/x86_64-linux-gnu/libopenblas.so.0
No symbol table info available.
#3  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 25 (Thread 0x7fff6e9f76c0 (LWP 6086) "kdenlive"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffab0ef353 in ?? () from /lib/x86_64-linux-gnu/libopenblas.so.0
No symbol table info available.
#3  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 24 (Thread 0x7fff771f86c0 (LWP 6085) "kdenlive"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffab0ef353 in ?? () from /lib/x86_64-linux-gnu/libopenblas.so.0
No symbol table info available.
#3  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 23 (Thread 0x7fff7f9f96c0 (LWP 6084) "kdenlive"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffab0ef353 in ?? () from /lib/x86_64-linux-gnu/libopenblas.so.0
No symbol table info available.
#3  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 22 (Thread 0x7fff881fa6c0 (LWP 6083) "kdenlive"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffab0ef353 in ?? () from /lib/x86_64-linux-gnu/libopenblas.so.0
No symbol table info available.
#3  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 21 (Thread 0x7fff909fb6c0 (LWP 6082) "kdenlive"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffab0ef353 in ?? () from /lib/x86_64-linux-gnu/libopenblas.so.0
No symbol table info available.
#3  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 20 (Thread 0x7fff911fc6c0 (LWP 6081) "kdenlive"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffab0ef353 in ?? () from /lib/x86_64-linux-gnu/libopenblas.so.0
No symbol table info available.
#3  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 19 (Thread 0x7fffa19fd6c0 (LWP 6080) "kdenlive"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffab0ef353 in ?? () from /lib/x86_64-linux-gnu/libopenblas.so.0
No symbol table info available.
#3  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 18 (Thread 0x7fffaa1fe6c0 (LWP 6079) "kdenlive"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffab0ef353 in ?? () from /lib/x86_64-linux-gnu/libopenblas.so.0
No symbol table info available.
#3  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 17 (Thread 0x7fffaa9ff6c0 (LWP 6078) "kdenlive"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffab0ef353 in ?? () from /lib/x86_64-linux-gnu/libopenblas.so.0
No symbol table info available.
#3  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 16 (Thread 0x7fffc9ffb6c0 (LWP 6077) "QDBusConnection"):
#0  0x00007ffff4919a1f in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff3886277 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007ffff3886930 in g_main_context_iteration () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ffff5127d4a in 
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () 
from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#4  0x00007ffff50cb0fb in 
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007ffff4ed9c52 in QThread::exec() () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#6  0x00007ffff63687ab in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
No symbol table info available.
#7  0x00007ffff4edaeb1 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#8  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#9  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 15 (Thread 0x7fffca7fc6c0 (LWP 6076) "kdenlive:gl0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 14 (Thread 0x7fffcaffd6c0 (LWP 6075) "kdenlive:gdrv0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 13 (Thread 0x7fffcb7fe6c0 (LWP 6074) "kdenlive:gl0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 12 (Thread 0x7fffcbfff6c0 (LWP 6073) "kdenlive:gdrv0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 7 (Thread 0x7fffe4ffc6c0 (LWP 6068) "kdenlive:shlo0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 6 (Thread 0x7fffe57fd6c0 (LWP 6067) "kdenlive:sh0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 5 (Thread 0x7fffe5ffe6c0 (LWP 6066) "kdenliv:disk$0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 4 (Thread 0x7fffe67ff6c0 (LWP 6065) "kdenlive:cs0"):
#0  0x00007ffff48a3156 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff48a5818 in pthread_cond_wait () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fffec91bd5d in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fffec8cc1eb in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#4  0x00007fffec91bc8b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 3 (Thread 0x7fffef5fe6c0 (LWP 6064) "WaylandEventThr"):
#0  0x00007ffff4919a1f in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff4496d46 in ?? () from 
/lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
No symbol table info available.
#2  0x00007ffff4edaeb1 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#3  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 2 (Thread 0x7fffefdff6c0 (LWP 6063) "WaylandEventThr"):
#0  0x00007ffff4919a1f in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff4496d46 in ?? () from 
/lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
No symbol table info available.
#2  0x00007ffff4edaeb1 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#3  0x00007ffff48a63ec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x00007ffff4926a4c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 1 (Thread 0x7ffff080c9c0 (LWP 6060) "kdenlive"):
#0  0x00007ffff4926a39 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffff49269bd in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007ffff48a6030 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#3  0x00007ffff48a6aee in pthread_create () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x00007fffec91bea4 in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#5  0x00007fffec8cd097 in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#6  0x00007fffec8cc08b in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#7  0x00007fffec8ccaf6 in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#8  0x00007fffece77b88 in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#9  0x00007fffed0992b4 in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#10 0x00007fffec982536 in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#11 0x00007fffec8be6ee in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#12 0x00007fffec8c221f in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#13 0x00007fffeedd2cff in ?? () from /lib/x86_64-linux-gnu/libEGL_mesa.so.0
No symbol table info available.
#14 0x00007fffeedc575d in ?? () from /lib/x86_64-linux-gnu/libEGL_mesa.so.0
No symbol table info available.
#15 0x00007ffff01939e1 in ?? () from 
/usr/lib/x86_64-linux-gnu/qt5/plugins/wayland-graphics-integration-client/libqt-plugin-wayland-egl.so
No symbol table info available.
#16 0x00007ffff0192db6 in ?? () from 
/usr/lib/x86_64-linux-gnu/qt5/plugins/wayland-graphics-integration-client/libqt-plugin-wayland-egl.so
No symbol table info available.
#17 0x00007ffff4484fbb in 
QtWaylandClient::QWaylandIntegration::createPlatformOpenGLContext(QOpenGLContext*)
 const () from /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
No symbol table info available.
#18 0x00007ffff578c071 in QOpenGLContext::create() () from 
/lib/x86_64-linux-gnu/libQt5Gui.so.5
No symbol table info available.
#19 0x00007ffff5aa5111 in QPlatformBackingStore::composeAndFlush(QWindow*, 
QRegion const&, QPoint const&, QPlatformTextureList*, bool) () from 
/lib/x86_64-linux-gnu/libQt5Gui.so.5
No symbol table info available.
#20 0x00007ffff65709ee in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#21 0x00007ffff6572389 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#22 0x00007ffff6574518 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#23 0x00007ffff6574cea in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#24 0x00007ffff65c2641 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#25 0x00007ffff6562f32 in QApplicationPrivate::notify_helper(QObject*, QEvent*) 
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#26 0x00007ffff50cc748 in QCoreApplication::notifyInternal2(QObject*, QEvent*) 
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#27 0x00007ffff5740931 in 
QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*)
 () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
No symbol table info available.
#28 0x00007ffff57131ac in 
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
 () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
No symbol table info available.
#29 0x00007ffff5713420 in 
QWindowSystemInterface::flushWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
 () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
No symbol table info available.
#30 0x00007ffff50f9940 in QObject::event(QEvent*) () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#31 0x00007ffff6562f32 in QApplicationPrivate::notify_helper(QObject*, QEvent*) 
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#32 0x00007ffff50cc748 in QCoreApplication::notifyInternal2(QObject*, QEvent*) 
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#33 0x00007ffff50cfe51 in QCoreApplicationPrivate::sendPostedEvents(QObject*, 
int, QThreadData*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#34 0x00007ffff5128697 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#35 0x00007ffff38831f4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#36 0x00007ffff3886317 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#37 0x00007ffff3886930 in g_main_context_iteration () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#38 0x00007ffff5127d4a in 
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () 
from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#39 0x0000555555a680c9 in ?? ()
No symbol table info available.
#40 0x0000555555a10cfd in ?? ()
No symbol table info available.
#41 0x0000555555a127af in ?? ()
No symbol table info available.
#42 0x0000555555a12ebe in ?? ()
No symbol table info available.
#43 0x0000555555a13bda in ?? ()
No symbol table info available.
#44 0x00007ffff50f9940 in QObject::event(QEvent*) () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#45 0x00007ffff6562f32 in QApplicationPrivate::notify_helper(QObject*, QEvent*) 
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#46 0x00007ffff50cc748 in QCoreApplication::notifyInternal2(QObject*, QEvent*) 
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#47 0x00007ffff50cfe51 in QCoreApplicationPrivate::sendPostedEvents(QObject*, 
int, QThreadData*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#48 0x00007ffff5128697 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#49 0x00007ffff38831f4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#50 0x00007ffff3886317 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#51 0x00007ffff3886930 in g_main_context_iteration () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#52 0x00007ffff5127d4a in 
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () 
from /lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#53 0x00007ffff50cb0fb in 
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#54 0x00007ffff50d38a4 in QCoreApplication::exec() () from 
/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#55 0x000055555563217c in ?? ()
No symbol table info available.
#56 0x00007ffff48456ca in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#57 0x00007ffff4845785 in __libc_start_main () from 
/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#58 0x0000555555633b41 in ?? ()
No symbol table info available.

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