Comment 1 for bug 1975384

I just tried to start kdenlive with similar bad results. There are so many programs failing that there must be some underlying common problem.

141-> kdenlive
Icon theme "crystalsvg" not found.
Icon theme "crystalsvg" not found.
WARNING : Fails to parse "deinterlace"
"videostab" is blacklisted
"videostab2" is blacklisted
"resample" is blacklisted
"qtext" is blacklisted
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
WARNING : Fails to parse "jack"
"jackrack" 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"
"gtkrescale" is blacklisted
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"
"motion_est" is blacklisted
WARNING : Fails to parse "crop_detect"
"rgblut" is blacklisted
"spot_remover" is blacklisted
"text" is blacklisted
"timer" is blacklisted
"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
"burningtv" is blacklisted
WARNING : Fails to parse "telecide"
++++++ 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"
"frei0r.alphainjection" is blacklisted
"frei0r.blend" is blacklisted
"frei0r.composition" is blacklisted
"frei0r.xfade0r" is blacklisted
QGLXContext: Failed to create dummy context
defaultServiceProvider::requestService(): no service found for - "org.qt-project.qt.audiosource"
Failed to create OpenGL context for format QSurfaceFormat(version 2.0, options QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize 24, redBufferSize -1, greenBufferSize -1, blueBufferSize -1, alphaBufferSize -1, stencilBufferSize 8, samples -1, swapBehavior QSurfaceFormat::DoubleBuffer, swapInterval 1, colorSpace QSurfaceFormat::DefaultColorSpace, profile QSurfaceFormat::NoProfile)
Abort(coredump)