Hi,

this looks like a bug in your video driver or Qt5.
But anyway I have just uploaded 20.04.3-1 to unstable. Could you give it
a try? Maybe rebuilding against current libraries solves it..

Am 09.07.2020 um 12:39 schrieb christophe.l...@telecom-bretagne.eu:
> Hi,
>   As additional info, here is what gdb say about the generated core file
> (backtrace):
>
> Current thread is 1 (Thread 0x7efe27e3be00 (LWP 30447))]
> (gdb) bt
> #0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
> #1  0x00007efe2fba955b in __GI_abort () at abort.c:79
> #2  0x00007efe15d62039 in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
> #3  0x00007efe16804070 in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
> #4  0x00007efe15d90a59 in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
> #5  0x00007efe15e1e1f8 in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
> #6  0x00007efe15d7d183 in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
> #7  0x00007efe15d706a6 in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
> #8  0x00007efe162bb1aa in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
> #9  0x00007efe241830fd in  () at /lib/x86_64-linux-gnu/libGLX_mesa.so.0
> #10 0x00007efe2a5cbf23 in  () at /lib/x86_64-linux-gnu/libGLX.so.0
> #11 0x00007efe2a5cd6cf in  () at /lib/x86_64-linux-gnu/libGLX.so.0
> #12 0x00007efe2421755d in  () at
> /usr/lib/x86_64-linux-gnu/qt5/plugins/xcbglintegrations/libqxcb-glx-integration.so
> #13 0x00007efe242151e7 in  () at
> /usr/lib/x86_64-linux-gnu/qt5/plugins/xcbglintegrations/libqxcb-glx-integration.so
> #14 0x00007efe27a0483b in
> QXcbIntegration::createPlatformOpenGLContext(QOpenGLContext*) const ()
> at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
> #15 0x00007efe306fe21d in QOpenGLContext::create() () at
> /lib/x86_64-linux-gnu/libQt5Gui.so.5
> #16 0x00007efe306b9c08 in QGuiApplicationPrivate::init() () at
> /lib/x86_64-linux-gnu/libQt5Gui.so.5
> #17 0x00007efe3192b42e in QApplicationPrivate::init() () at
> /lib/x86_64-linux-gnu/libQt5Widgets.so.5
> #18 0x000055a0d486476b in  ()
> #19 0x00007efe2fbaae0b in __libc_start_main (main=0x55a0d48646b0,
> argc=1, argv=0x7ffd0c860d88, init=<optimized out>, fini=<optimized out>,
> rtld_fini=<optimized out>, stack_end=0x7ffd0c860d78) at
> ../csu/libc-start.c:308
> #20 0x000055a0d486d63a in _start ()
> (gdb)
>
>
> Hoping this helps
> Best regards,
> Christophe
>
>
> Le 08/07/2020 à 15:07, Christophe Lohr a écrit :
>> Package: kdenlive
>> Version: 20.04.2-1
>> Severity: normal
>>
>> Dear Maintainer,
>>   At startup, kdenlive shows its splash screen, and suddenly stops with a 
>> 'Segmentation fault' message.
>>
>> Best regards,
>> Christophe
>>
>>
>> -- Output of kdenlive
>>
>> WARNING : Fails to parse  "audiochannels"
>> WARNING : Fails to parse  "audioconvert"
>> WARNING : Fails to parse  "data_feed"
>> "data_show" is blacklisted
>> WARNING : Fails to parse  "imageconvert"
>> "mask_apply" is blacklisted
>> "mask_start" is blacklisted
>> "mono" is blacklisted
>> "region" is blacklisted
>> "resize" is blacklisted
>> "transition" is blacklisted
>> "watermark" is blacklisted
>> "burningtv" is blacklisted
>> WARNING : Fails to parse  "telecide"
>> "rgblut" is blacklisted
>> "spot_remover" is blacklisted
>> "text" is blacklisted
>> "timer" is blacklisted
>> WARNING : Fails to parse  "deinterlace"
>> "frei0r.3dflippo" is blacklisted
>> "frei0r.bluescreen0r" is blacklisted
>> "frei0r.bw0r" is blacklisted
>> "frei0r.gamma" is blacklisted
>> "frei0r.invert0r" is blacklisted
>> "frei0r.rgbsplit0r" is blacklisted
>> "frei0r.transparency" is blacklisted
>> "frei0r.vertigo" is blacklisted
>> WARNING : Fails to parse  "jack"
>> "jackrack" is blacklisted
>> "videostab" is blacklisted
>> "videostab2" is blacklisted
>> "qtext" is blacklisted
>> "resample" is blacklisted
>> WARNING : Fails to parse  "avcolour_space"
>> WARNING : Fails to parse  "avcolor_space"
>> WARNING : Fails to parse  "avdeinterlace"
>> WARNING : Fails to parse  "swscale"
>> "avfilter.abench" is blacklisted
>> "avfilter.acompressor" is blacklisted
>> "avfilter.adelay" is blacklisted
>> "avfilter.aecho" is blacklisted
>> "avfilter.aemphasis" is blacklisted
>> "avfilter.aeval" is blacklisted
>> "avfilter.afade" is blacklisted
>> "avfilter.afftfilt" is blacklisted
>> "avfilter.agate" is blacklisted
>> "avfilter.ametadata" is blacklisted
>> "avfilter.arealtime" is blacklisted
>> "avfilter.ashowinfo" is blacklisted
>> "avfilter.channelmap" is blacklisted
>> "avfilter.chorus" is blacklisted
>> "avfilter.earwax" is blacklisted
>> "avfilter.volume" is blacklisted
>> "avfilter.volumedetect" is blacklisted
>> "avfilter.ass" is blacklisted
>> "avfilter.atadenoise" is blacklisted
>> "avfilter.avgblur" is blacklisted
>> "avfilter.bbox" is blacklisted
>> "avfilter.bench" is blacklisted
>> "avfilter.blackdetect" is blacklisted
>> "avfilter.blackframe" is blacklisted
>> "avfilter.boxblur" is blacklisted
>> "avfilter.bwdif" is blacklisted
>> "avfilter.chromakey" is blacklisted
>> "avfilter.colorkey" is blacklisted
>> "avfilter.colormatrix" is blacklisted
>> "avfilter.colorspace" is blacklisted
>> "avfilter.convolution" is blacklisted
>> "avfilter.crop" is blacklisted
>> "avfilter.cropdetect" is blacklisted
>> "avfilter.curves" is blacklisted
>> "avfilter.datascope" is blacklisted
>> "avfilter.dctdnoiz" is blacklisted
>> "avfilter.deband" is blacklisted
>> "avfilter.deflate" is blacklisted
>> "avfilter.deinterlace_vaapi" is blacklisted
>> "avfilter.deshake" is blacklisted
>> "avfilter.despill" is blacklisted
>> "avfilter.doubleweave" is blacklisted
>> "avfilter.drawbox" is blacklisted
>> "avfilter.drawgraph" is blacklisted
>> "avfilter.drawgrid" is blacklisted
>> "avfilter.drawtext" is blacklisted
>> "avfilter.elbg" is blacklisted
>> "avfilter.eq" is blacklisted
>> "avfilter.fade" is blacklisted
>> "avfilter.field" is blacklisted
>> "avfilter.fieldhint" is blacklisted
>> "avfilter.fieldorder" is blacklisted
>> "avfilter.find_rect" is blacklisted
>> "avfilter.floodfill" is blacklisted
>> "avfilter.fspp" is blacklisted
>> "avfilter.gblur" is blacklisted
>> "avfilter.geq" is blacklisted
>> "avfilter.hflip" is blacklisted
>> "avfilter.hqdn3d" is blacklisted
>> "avfilter.hqx" is blacklisted
>> "avfilter.hue" is blacklisted
>> "avfilter.hwdownload" is blacklisted
>> "avfilter.idet" is blacklisted
>> "avfilter.il" is blacklisted
>> "avfilter.lenscorrection" is blacklisted
>> "avfilter.loop" is blacklisted
>> "avfilter.lumakey" is blacklisted
>> "avfilter.lut" is blacklisted
>> "avfilter.lutrgb" is blacklisted
>> "avfilter.lutyuv" is blacklisted
>> "avfilter.mcdeint" is blacklisted
>> "avfilter.metadata" is blacklisted
>> "avfilter.negate" is blacklisted
>> "avfilter.nlmeans" is blacklisted
>> "avfilter.nnedi" is blacklisted
>> "avfilter.owdenoise" is blacklisted
>> "avfilter.pad" is blacklisted
>> "avfilter.perspective" is blacklisted
>> "avfilter.phase" is blacklisted
>> "avfilter.pixscope" is blacklisted
>> "avfilter.pp" is blacklisted
>> "avfilter.pp7" is blacklisted
>> "avfilter.prewitt" is blacklisted
>> "avfilter.realtime" is blacklisted
>> "avfilter.removegrain" is blacklisted
>> "avfilter.removelogo" is blacklisted
>> "avfilter.roberts" is blacklisted
>> "avfilter.rotate" is blacklisted
>> "avfilter.scale_vaapi" is blacklisted
>> "avfilter.showinfo" is blacklisted
>> "avfilter.shuffleframes" is blacklisted
>> "avfilter.sidedata" is blacklisted
>> "avfilter.signalstats" is blacklisted
>> "avfilter.sobel" is blacklisted
>> "avfilter.stereo3d" is blacklisted
>> "avfilter.super2xsai" is blacklisted
>> "avfilter.swapuv" is blacklisted
>> "avfilter.tblend" is blacklisted
>> "avfilter.tlut2" is blacklisted
>> "avfilter.tonemap" is blacklisted
>> "avfilter.transpose" is blacklisted
>> "avfilter.vectorscope" is blacklisted
>> "avfilter.vflip" is blacklisted
>> "avfilter.vignette" is blacklisted
>> "avfilter.vmafmotion" is blacklisted
>> "avfilter.w3fdif" is blacklisted
>> "avfilter.xbr" is blacklisted
>> "avfilter.yadif" is blacklisted
>> "avfilter.zmq" is blacklisted
>> "avfilter.zoompan" is blacklisted
>> WARNING : Fails to parse  "swresample"
>> "motion_est" is blacklisted
>> WARNING : Fails to parse  "crop_detect"
>> WARNING : Fails to parse  "glsl.manager"
>> WARNING : Fails to parse  "movit.convert"
>> WARNING : Fails to parse  "movit.crop"
>> WARNING : Fails to parse  "movit.resample"
>> WARNING : Fails to parse  "movit.resize"
>> "gtkrescale" is blacklisted
>> ++++++ Unknown asset :  "avfilter.acompressor"
>> ++++++ Unknown asset :  "avfilter.aecho"
>> ++++++ Unknown asset :  "avfilter.agate"
>> Warning: duplicate custom definition of effect "frei0r.alpha0ps" found. Only 
>> last one will be considered. Duplicate found in 
>> "/usr/share/kdenlive/effects/frei0r_alpha0ps.xml"
>> Warning: duplicate custom definition of effect "frei0r.balanc0r" found. Only 
>> last one will be considered. Duplicate found in 
>> "/usr/share/kdenlive/effects/frei0r_balanc0r.xml"
>> Warning: duplicate custom definition of effect "frei0r.curves" found. Only 
>> last one will be considered. Duplicate found in 
>> "/usr/share/kdenlive/effects/frei0r_curves.xml"
>> ++++++ Unknown asset :  "frei0r.facebl0r"
>> ++++++ Unknown asset :  "frei0r.facedetect"
>> Warning: duplicate custom definition of effect "frei0r.levels" found. Only 
>> last one will be considered. Duplicate found in 
>> "/usr/share/kdenlive/effects/frei0r_levels.xml"
>> Warning: duplicate custom definition of effect "frei0r.lightgraffiti" found. 
>> Only last one will be considered. Duplicate found in 
>> "/usr/share/kdenlive/effects/frei0r_lightgraffiti.xml"
>> Warning: duplicate custom definition of effect "frei0r.select0r" found. Only 
>> last one will be considered. Duplicate found in 
>> "/usr/share/kdenlive/effects/frei0r_select0r.xml"
>> Warning: duplicate custom definition of effect "frei0r.sopsat" found. Only 
>> last one will be considered. Duplicate found in 
>> "/usr/share/kdenlive/effects/frei0r_sopsat.xml"
>> ++++++ Unknown asset :  "frei0r.tehRoxx0r"
>> ++++++ Unknown asset :  "frei0r.vertigo"
>> ++++++ Unknown asset :  "frei0r.vertigo"
>> ++++++ Unknown asset :  "movit.unsharp_mask"
>> Warning: duplicate custom definition of effect "qtblend" found. Only last 
>> one will be considered. Duplicate found in 
>> "/usr/share/kdenlive/effects/qtblend.xml"
>> ++++++ Unknown asset :  "region"
>> ++++++ Unknown asset :  "timewarp"
>> ++++++ Unknown asset :  "opencv.tracker"
>> ++++++ Unknown asset :  "opencv.tracker"
>> "frei0r.alphainjection" is blacklisted
>> "frei0r.blend" is blacklisted
>> "frei0r.composition" is blacklisted
>> "frei0r.xfade0r" is blacklisted
>> QWidget::setMinimumSize: (effect_list/QDockWidget) Negative sizes (0,-1) are 
>> not possible
>> QWidget::setMinimumSize: (transition_list/QDockWidget) Negative sizes (0,-1) 
>> are not possible
>> Loading bin playlist...
>> //////////////////////
>> Trying to construct 5 tracks.
>> ////////////////////////////////
>> SUSPICIOUS: we weren't expecting a producer when parsing the timeline
>> === REQUESTING TRACK INSERTION AT:  -1
>> === REQUESTING TRACK INSERTION AT:  -1
>> === REQUESTING TRACK INSERTION AT:  -1
>> === REQUESTING TRACK INSERTION AT:  -1
>> qml: GOT SCALE:  0.46 , BASE:  16  - SNAPPING:  34
>> Segmentation fault (core dumped)
>>
>>
>> -- System Information:
>> Debian Release: bullseye/sid
>>   APT prefers stable-updates
>>   APT policy: (500, 'stable-updates'), (500, 'proposed-updates'), (500, 
>> 'testing'), (500, 'stable'), (500, 'oldstable')
>> Architecture: amd64 (x86_64)
>> Foreign Architectures: i386
>>
>> Kernel: Linux 5.7.0-1-amd64 (SMP w/4 CPU cores)
>> Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
>> Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8), 
>> LANGUAGE=fr_FR.UTF-8 (charmap=UTF-8)
>> Shell: /bin/sh linked to /usr/bin/dash
>> Init: systemd (via /run/systemd/system)
>> LSM: AppArmor: enabled
>>
>> Versions of packages kdenlive depends on:
>> ii  ffmpeg                         7:4.3-2
>> ii  gstreamer1.0-plugins-bad       1.16.2-2.1+b1
>> ii  kded5                          5.70.0-1
>> ii  kdenlive-data                  20.04.2-1
>> ii  kinit                          5.70.0-1
>> ii  kio                            5.70.1-1
>> ii  libc6                          2.30-8
>> ii  libkf5archive5                 5.70.0-1
>> ii  libkf5bookmarks5               5.70.0-1
>> ii  libkf5completion5              5.70.0-1
>> ii  libkf5configcore5              5.70.0-1
>> ii  libkf5configgui5               5.70.0-1
>> ii  libkf5configwidgets5           5.70.0-1
>> ii  libkf5coreaddons5              5.70.0-1
>> ii  libkf5crash5                   5.70.0-1
>> ii  libkf5dbusaddons5              5.70.0-1
>> ii  libkf5declarative5             5.70.0-1
>> ii  libkf5filemetadata3            5.70.0-1
>> ii  libkf5guiaddons5               5.70.0-2
>> ii  libkf5i18n5                    5.70.0-1
>> ii  libkf5iconthemes5              5.70.0-1
>> ii  libkf5itemviews5               5.70.0-1
>> ii  libkf5jobwidgets5              5.70.0-1
>> ii  libkf5kiocore5                 5.70.1-1
>> ii  libkf5kiofilewidgets5          5.70.1-1
>> ii  libkf5kiowidgets5              5.70.1-1
>> ii  libkf5newstuff5                5.70.0-1
>> ii  libkf5notifications5           5.70.0-1
>> ii  libkf5notifyconfig5            5.70.0-1
>> ii  libkf5purpose-bin              5.70.0-1
>> ii  libkf5purpose5                 5.70.0-1
>> ii  libkf5service-bin              5.70.0-1
>> ii  libkf5service5                 5.70.0-1
>> ii  libkf5solid5                   5.70.0-1
>> ii  libkf5widgetsaddons5           5.70.0-1
>> ii  libkf5xmlgui5                  5.70.0-1+b1
>> ii  libmlt++3                      6.20.0-2+b1
>> ii  libmlt6                        6.20.0-2+b1
>> ii  libqt5concurrent5              5.14.2+dfsg-4
>> ii  libqt5core5a                   5.14.2+dfsg-4
>> ii  libqt5dbus5                    5.14.2+dfsg-4
>> ii  libqt5gui5                     5.14.2+dfsg-4
>> ii  libqt5multimedia5              5.14.2-2
>> ii  libqt5network5                 5.14.2+dfsg-4
>> ii  libqt5qml5                     5.14.2+dfsg-2
>> ii  libqt5quick5                   5.14.2+dfsg-2
>> ii  libqt5quickcontrols2-5         5.14.2+dfsg-2
>> ii  libqt5quickwidgets5            5.14.2+dfsg-2
>> ii  libqt5svg5                     5.14.2-2
>> ii  libqt5webkit5                  5.212.0~alpha4-4
>> ii  libqt5widgets5                 5.14.2+dfsg-4
>> ii  libqt5xml5                     5.14.2+dfsg-4
>> ii  librttr-core0.9.6              0.9.6+dfsg1-3
>> ii  libstdc++6                     10.1.0-4
>> ii  melt                           6.20.0-2+b1
>> ii  qml-module-qtgraphicaleffects  5.14.2-2
>> ii  qml-module-qtqml-models2       5.14.2+dfsg-2
>> ii  qml-module-qtquick-controls    5.14.2-2
>> ii  qml-module-qtquick-controls2   5.14.2+dfsg-2
>> ii  qml-module-qtquick-dialogs     5.14.2-2
>> ii  qml-module-qtquick-layouts     5.14.2+dfsg-2
>> ii  qml-module-qtquick-window2     5.14.2+dfsg-2
>> ii  qml-module-qtquick2            5.14.2+dfsg-2
>>
>> Versions of packages kdenlive recommends:
>> ii  breeze-icon-theme  4:5.70.0-1
>> ii  dvdauthor          0.7.2-1+b3
>> ii  dvgrab             3.5+git20160707.1.e46042e-1+b1
>> ii  frei0r-plugins     1.7.0-1
>> ii  genisoimage        9:1.1.11-3.1
>> ii  oxygen-icon-theme  5:5.70.0-1
>> ii  recordmydesktop    0.3.8.1+svn602-1.1
>> ii  swh-plugins        0.4.17-2
>>
>> Versions of packages kdenlive suggests:
>> pn  khelpcenter  <none>
>>
>> -- no debconf information

-- 
/*
Mit freundlichem Gruß / With kind regards,
 Patrick Matthäi
 GNU/Linux Debian Developer

  Blog: https://www.linux-dev.org/
E-Mail: pmatth...@debian.org
        patr...@linux-dev.org
*/

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