[FFmpeg-trac] #9604(undetermined:new): 5.0 regression: test failure on ppc64el: checkas-sw_scale and filter-scale2ref_keep_aspect

[FFmpeg]

#9604: 5.0 regression: test failure on ppc64el: checkas-sw_scale and filter-
scale2ref_keep_aspect
-------------------------------------+-------------------------------------
             Reporter:  Sebastian    |                     Type:  defect
  Ramacher                           |
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 The test suite fails on Debian's ppc64el buildd:
 {{{
 /<<PKGBUILDDIR>>/tests/fate-run.sh fate-checkasm-vf_gblur "" ""
 "/<<PKGBUILDDIR>>/debian/standard" 'run tests/checkasm/checkasm
 --test=vf_gblur' 'null' '' '' '1' '' '' '' '' '' '' '' '' '' ''
 Test checkasm-sw_scale failed. Look at tests/data/fate/checkasm-
 sw_scale.err for details.
 checkasm: using random seed 2550001425
 VSX:
    hscale_8_to_15_width12_vsx (sw_scale.c:230)
  - sw_scale.hscale   [FAILED]
  - sw_scale.yuv2yuvX [OK]
 checkasm: 1 of 108 tests have failed
 }}}
 and
 {{{
 --- /<<PKGBUILDDIR>>/tests/ref/fate/filter-scale2ref_keep_aspect
 2022-01-14 18:45:40.000000000 +0000
 +++ tests/data/fate/filter-scale2ref_keep_aspect        2022-01-17
 19:25:25.915936288 +0000
 @@ -7,8 +7,8 @@
  #dimensions 0: 160x120
  #sar 0: 1/1
  #stream#, dts,        pts, duration,     size, hash
 -0,          0,          0,        1,    57600,
 65fe9892ad710cc5763b04b390327d40
 -0,          1,          1,        1,    57600,
 5e8d4524bc8889afa8769e851e998bc0
 -0,          2,          2,        1,    57600,
 8f5e0e58d1f4c2104b82ef7a16850f1e
 -0,          3,          3,        1,    57600,
 cfe4142845e1445d33748493faa63cda
 -0,          4,          4,        1,    57600,
 bb491f3b01788773fb6129aef0f0abd2
 +0,          0,          0,        1,    57600,
 41a44ab9dad3f36561646059602e9a86
 +0,          1,          1,        1,    57600,
 e457feb8edd95a1807347dc05bb9054b
 +0,          2,          2,        1,    57600,
 6041793e3b9c084fd81a67bd91ee435d
 +0,          3,          3,        1,    57600,
 cfbcb5177c67abd0defc7a86da7c5dcf
 +0,          4,          4,        1,    57600,
 964d9bdfffffbb8954242388ade1ba71
 /<<PKGBUILDDIR>>/tests/fate-run.sh fate-filter-colorbalance-rgba64 "" ""
 "/<<PKGBUILDDIR>>/debian/standard" 'framecrc -c:v pgmyuv -i
 /<<PKGBUILDDIR>>/debian/standard/tests/vsynth1/%02d.pgm -vf
 scale,format=rgba64,colorbalance=rm=.2,scale -pix_fmt rgba64le -flags
 +bitexact -sws_flags +accurate_rnd+bitexact -frames:v 3' '' '' '' '1' ''
 '' '' '' '' '' '' '' '' ''
 Test filter-scale2ref_keep_aspect failed. Look at tests/data/fate/filter-
 scale2ref_keep_aspect.err for details.
 ffmpeg version 5.0-1 Copyright (c) 2000-2022 the FFmpeg developers
   built with gcc 11 (Debian 11.2.0-14)
   configuration: --prefix=/usr --extra-version=1 --toolchain=hardened
 --libdir=/usr/lib/powerpc64le-linux-gnu --incdir=/usr/include/powerpc64le-
 linux-gnu --arch=ppc64el --enable-gpl --disable-stripping --enable-gnutls
 --enable-ladspa --enable-libaom --enable-libass --enable-libbluray
 --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2
 --enable-libdav1d --enable-libflite --enable-libfontconfig --enable-
 libfreetype --enable-libfribidi --enable-libglslang --enable-libgme
 --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa
 --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-
 libpulse --enable-librabbitmq --enable-librubberband --enable-libshine
 --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt
 --enable-libssh --enable-libsvtav1 --enable-libtheora --enable-libtwolame
 --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp
 --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzimg
 --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal
 --enable-opencl --enable-opengl --enable-sdl2 --enable-pocketsphinx
 --enable-librsvg --enable-libdc1394 --enable-libdrm --enable-libiec61883
 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
   libavutil      57. 17.100 / 57. 17.100
   libavcodec     59. 18.100 / 59. 18.100
   libavformat    59. 16.100 / 59. 16.100
   libavdevice    59.  4.100 / 59.  4.100
   libavfilter     8. 24.100 /  8. 24.100
   libswscale      6.  4.100 /  6.  4.100
   libswresample   4.  3.100 /  4.  3.100
   libpostproc    56.  3.100 / 56.  3.100
 Stream mapping:
   scale2ref -> Stream #0:0 (rawvideo)
 Output #0, framemd5, to 'pipe:':
   Stream #0:0: Video: rawvideo (RGB[24] / 0x18424752), rgb24(pc,
 gbr/unknown/unknown, progressive), 160x120 [SAR 1:1 DAR 4:3], q=2-31,
 11520 kb/s, 25 fps, 25 tbn
     Metadata:
       encoder         : Lavc rawvideo
 frame=    5 fps=0.0 q=-0.0 Lsize=       1kB time=00:00:00.20 bitrate=
 23.6kbits/s speed=13.3x
 video:281kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown
 }}}

 The full build log is available from
 https://buildd.debian.org/status/fetch.php?pkg=ffmpeg&arch=ppc64el&ver=7%3A5.0-1&stamp=1642447675&raw=0.

 The failures are also reproducible with:
 {{{
 % mkdir build; cd build
 % ../configure --enable-gpl --enable-shared
 % make
 % make check
 }}}

 Please let me know if you need any more information.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/9604>
FFmpeg <https://ffmpeg.org>
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