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Bug#871565: marked as done (gcc-7: ppc64el: miscompiles ffmpeg's scalarproduct_int16_vsx at -O1)



Your message dated Wed, 06 Sep 2017 09:36:04 +0000
with message-id <E1dpWke-000AKw-Q1@fasolo.debian.org>
and subject line Bug#871565: fixed in gcc-7 7.2.0-4
has caused the Debian Bug report #871565,
regarding gcc-7: ppc64el: miscompiles ffmpeg's scalarproduct_int16_vsx at -O1
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
871565: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=871565
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message ---
Source: ffmpeg
Version: 7:3.3.3-2
Severity: serious

https://buildd.debian.org/status/fetch.php?pkg=ffmpeg&arch=ppc64el&ver=7%3A3.3.3-2&stamp=1502249633&raw=0

...
TEST    acodec-tta
/<<PKGBUILDDIR>>/tests/fate-run.sh fate-acodec-tta "" "" "/<<PKGBUILDDIR>>/debian/standard" 'enc_dec wav tests/data/asynth-44100-2.wav tta "-b:a 128k -c tta " wav "-c pcm_s16le " -keep' '' '/<<PKGBUILDDIR>>/tests/ref/acodec/tta' '' '1' '' '' '' '' '' '2' '' ''
 /<<PKGBUILDDIR>>/debian/standard/ffmpeg -nostdin -nostats -cpuflags all -f wav -threads 1 -idct simple -flags +bitexact -sws_flags +accurate_rnd+bitexact -fflags +bitexact -hwaccel none -threads 1 -thread_type frame+slice -i /<<PKGBUILDDIR>>/debian/standard/tests/data/asynth-44100-2.wav -threads 1 -idct simple -dct fastint -b:a 128k -c tta -flags +bitexact -sws_flags +accurate_rnd+bitexact -fflags +bitexact -f tta -y /<<PKGBUILDDIR>>/debian/standard/tests/data/fate/acodec-tta.tta
 /<<PKGBUILDDIR>>/debian/standard/ffmpeg -nostdin -nostats -cpuflags all -flags +bitexact -fflags +bitexact -hwaccel none -threads 1 -thread_type frame+slice -i /<<PKGBUILDDIR>>/debian/standard/tests/data/fate/acodec-ra144.rm -c:a pcm_s16le -fflags +bitexact -f wav -
stddev: 6741.57 PSNR: 19.75 MAXDIFF:45411 bytes:    96000/    96000
stddev: |6741.57 - 4777| >= 1
Test acodec-ra144 failed. Look at tests/data/fate/acodec-ra144.err for details.
ffmpeg version 3.3.3-2 Copyright (c) 2000-2017 the FFmpeg developers
  built with gcc 7 (Debian 7.1.0-12)
  configuration: --prefix=/usr --extra-version=2 --toolchain=hardened --libdir=/usr/lib/powerpc64le-linux-gnu --incdir=/usr/include/powerpc64le-linux-gnu --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv -
 -enable-libx264 --enable-shared
  libavutil      55. 58.100 / 55. 58.100
  libavcodec     57. 89.100 / 57. 89.100
  libavformat    57. 71.100 / 57. 71.100
  libavdevice    57.  6.100 / 57.  6.100
  libavfilter     6. 82.100 /  6. 82.100
  libavresample   3.  5.  0 /  3.  5.  0
  libswscale      4.  6.100 /  4.  6.100
  libswresample   2.  7.100 /  2.  7.100
  libpostproc    54.  5.100 / 54.  5.100
Guessed Channel Layout for Input Stream #0.0 : mono
Input #0, wav, from '/<<PKGBUILDDIR>>/debian/standard/tests/data/asynth-8000-1.wav':
  Duration: 00:00:06.00, bitrate: 128 kb/s
    Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 8000 Hz, mono, s16, 128 kb/s
Stream mapping:
  Stream #0:0 -> #0:0 (pcm_s16le (native) -> ra_144 (real_144))
Output #0, rm, to '/<<PKGBUILDDIR>>/debian/standard/tests/data/fate/acodec-ra144.rm':
  Metadata:
    encoder         : Lavf57.71.100
    Stream #0:0: Audio: ra_144 (real_144) (lpcJ / 0x4A63706C), 8000 Hz, mono, s16, 8 kb/s
    Metadata:
      encoder         : Lavc57.89.100 real_144
size=      10kB time=00:00:06.00 bitrate=  13.2kbits/s speed=21.7x    
video:0kB audio:6kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 64.435219%
ffmpeg version 3.3.3-2 Copyright (c) 2000-2017 the FFmpeg developers
  built with gcc 7 (Debian 7.1.0-12)
  configuration: --prefix=/usr --extra-version=2 --toolchain=hardened --libdir=/usr/lib/powerpc64le-linux-gnu --incdir=/usr/include/powerpc64le-linux-gnu --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv -
 -enable-libx264 --enable-shared
  libavutil      55. 58.100 / 55. 58.100
  libavcodec     57. 89.100 / 57. 89.100
  libavformat    57. 71.100 / 57. 71.100
  libavdevice    57.  6.100 / 57.  6.100
  libavfilter     6. 82.100 /  6. 82.100
  libavresample   3.  5.  0 /  3.  5.  0
  libswscale      4.  6.100 /  4.  6.100
  libswresample   2.  7.100 /  2.  7.100
  libpostproc    54.  5.100 / 54.  5.100
Input #0, rm, from '/<<PKGBUILDDIR>>/debian/standard/tests/data/fate/acodec-ra144.rm':
  Metadata:
    title           : 
    author          : 
    copyright       : 
    comment         : 
  Duration: 00:00:00.00, start: 0.000000, bitrate: N/A
    Stream #0:0: Audio: ra_144 (lpcJ / 0x4A63706C), 8000 Hz, mono, s16, 8 kb/s
Stream mapping:
  Stream #0:0 -> #0:0 (ra_144 (real_144) -> pcm_s16le (native))
Output #0, wav, to 'pipe:':
  Metadata:
    INAM            : 
    author          : 
    ICOP            : 
    ICMT            : 
    Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 8000 Hz, mono, s16, 128 kb/s
    Metadata:
      encoder         : Lavc pcm_s16le
size=      94kB time=00:00:00.02 bitrate=38550.4kbits/s speed=3.41x    
video:0kB audio:94kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.058140%
/<<PKGBUILDDIR>>/tests/Makefile:219: recipe for target 'fate-acodec-ra144' failed
make[2]: *** [fate-acodec-ra144] Error 1
...
TEST    checkasm-audiodsp
/<<PKGBUILDDIR>>/tests/fate-run.sh fate-checkasm-audiodsp "" "" "/<<PKGBUILDDIR>>/debian/standard" 'run tests/checkasm/checkasm --test=audiodsp' '' '/dev/null' '' '1' '' '' '' '' '' '' '' ''
 /<<PKGBUILDDIR>>/debian/standard/ffmpeg -nostdin -nostats -cpuflags all -threads 1 -idct simple -flags +bitexact -sws_flags +accurate_rnd+bitexact -fflags +bitexact -f image2 -vcodec pgmyuv -hwaccel none -threads 1 -thread_type frame+slice -i /<<PKGBUILDDIR>>/debian/standard/tests/vsynth1/%02d.pgm -flags +bitexact -sws_flags +accurate_rnd+bitexact -fflags +bitexact -threads 1 -idct simple -dct fastint -vf format=gbrp14be,vflip= -vcodec rawvideo -frames:v 5 -pix_fmt gbrp14be -frames:v 1 -f nut md5:
 /<<PKGBUILDDIR>>/debian/standard/tests/checkasm/checkasm --test=audiodsp
Test checkasm-audiodsp failed. Look at tests/data/fate/checkasm-audiodsp.err for details.
checkasm: using random seed 3484844225
ALTIVEC:
   audiodsp.scalarproduct_int16_altivec (audiodsp.c:81)
 - audiodsp.audiodsp [FAILED]
VSX:
   audiodsp.scalarproduct_int16_vsx (audiodsp.c:81)
 - audiodsp.audiodsp [FAILED]
checkasm: 2 of 2 tests have failed
/<<PKGBUILDDIR>>/tests/Makefile:219: recipe for target 'fate-checkasm-audiodsp' failed
make[2]: *** [fate-checkasm-audiodsp] Error 1
...


The relevant 7:3.3.3-1 -> 7:3.3.3-2 difference is likely gcc 6 -> 7.

--- End Message ---
--- Begin Message ---
Source: gcc-7
Source-Version: 7.2.0-4

We believe that the bug you reported is fixed in the latest version of
gcc-7, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 871565@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Matthias Klose <doko@debian.org> (supplier of updated gcc-7 package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

Format: 1.8
Date: Wed, 06 Sep 2017 10:38:05 +0200
Source: gcc-7
Binary: gcc-7-base libgcc1 libgcc1-dbg libgcc2 libgcc2-dbg libgcc-7-dev libgcc4 libgcc4-dbg lib64gcc1 lib64gcc1-dbg lib64gcc-7-dev lib32gcc1 lib32gcc1-dbg lib32gcc-7-dev libn32gcc1 libn32gcc1-dbg libn32gcc-7-dev libx32gcc1 libx32gcc1-dbg libx32gcc-7-dev gcc-7 gcc-7-multilib gcc-7-test-results gcc-7-plugin-dev gcc-7-hppa64-linux-gnu cpp-7 gcc-7-locales g++-7 g++-7-multilib libgomp1 libgomp1-dbg lib32gomp1 lib32gomp1-dbg lib64gomp1 lib64gomp1-dbg libn32gomp1 libn32gomp1-dbg libx32gomp1 libx32gomp1-dbg libitm1 libitm1-dbg lib32itm1 lib32itm1-dbg lib64itm1 lib64itm1-dbg libx32itm1 libx32itm1-dbg libatomic1 libatomic1-dbg lib32atomic1 lib32atomic1-dbg lib64atomic1 lib64atomic1-dbg libn32atomic1 libn32atomic1-dbg libx32atomic1 libx32atomic1-dbg libasan4 libasan4-dbg lib32asan4 lib32asan4-dbg lib64asan4 lib64asan4-dbg libx32asan4 libx32asan4-dbg liblsan0 liblsan0-dbg lib32lsan0 lib32lsan0-dbg libx32lsan0 libx32lsan0-dbg libtsan0 libtsan0-dbg libubsan0 libubsan0-dbg lib32ubsan0
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 gcc-7-source
Architecture: source
Version: 7.2.0-4
Distribution: unstable
Urgency: medium
Maintainer: Debian GCC Maintainers <debian-gcc@lists.debian.org>
Changed-By: Matthias Klose <doko@debian.org>
Description:
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 libn32stdc++6 - GNU Standard C++ Library v3 (n32)
 libn32stdc++6-7-dbg - GNU Standard C++ Library v3 (debugging files)
 libobjc-7-dev - Runtime library for GNU Objective-C applications (development fil
 libobjc4   - Runtime library for GNU Objective-C applications
 libobjc4-dbg - Runtime library for GNU Objective-C applications (debug symbols)
 libquadmath0 - GCC Quad-Precision Math Library
 libquadmath0-dbg - GCC Quad-Precision Math Library (debug symbols)
 libstdc++-7-dev - GNU Standard C++ Library v3 (development files)
 libstdc++-7-doc - GNU Standard C++ Library v3 (documentation files)
 libstdc++-7-pic - GNU Standard C++ Library v3 (shared library subset kit)
 libstdc++6 - GNU Standard C++ Library v3
 libstdc++6-7-dbg - GNU Standard C++ Library v3 (debugging files)
 libtsan0   - ThreadSanitizer -- a Valgrind-based detector of data races (runti
 libtsan0-dbg - ThreadSanitizer -- a Valgrind-based detector of data races (debug
 libubsan0  - UBSan -- undefined behaviour sanitizer (runtime)
 libubsan0-dbg - UBSan -- undefined behaviour sanitizer (debug symbols)
 libx32asan4 - AddressSanitizer -- a fast memory error detector (x32)
 libx32asan4-dbg - AddressSanitizer -- a fast memory error detector (x32 debug symbo
 libx32atomic1 - support library providing __atomic built-in functions (x32)
 libx32atomic1-dbg - support library providing __atomic built-in functions (x32 debug
 libx32cilkrts5 - Intel Cilk Plus language extensions (x32)
 libx32cilkrts5-dbg - Intel Cilk Plus language extensions (x32 debug symbols)
 libx32gcc-7-dev - GCC support library (x32 development files)
 libx32gcc1 - GCC support library (x32)
 libx32gcc1-dbg - GCC support library (debug symbols)
 libx32gfortran-7-dev - Runtime library for GNU Fortran applications (x32 development fil
 libx32gfortran4 - Runtime library for GNU Fortran applications (x32)
 libx32gfortran4-dbg - Runtime library for GNU Fortran applications (x32 debug symbols)
 libx32go11 - Runtime library for GNU Go applications (x32)
 libx32go11-dbg - Runtime library for GNU Go applications (x32 debug symbols)
 libx32gomp1 - GCC OpenMP (GOMP) support library (x32)
 libx32gomp1-dbg - GCC OpenMP (GOMP) support library (x32 debug symbols)
 libx32gphobos-7-dev - Phobos D standard library (x32 development files)
 libx32gphobos71 - Phobos D standard library (runtime library)
 libx32gphobos71-dbg - Phobos D standard library (debug symbols)
 libx32itm1 - GNU Transactional Memory Library (x32)
 libx32itm1-dbg - GNU Transactional Memory Library (x32 debug symbols)
 libx32lsan0 - LeakSanitizer -- a memory leak detector (x32)
 libx32lsan0-dbg - LeakSanitizer -- a memory leak detector (x32 debug symbols)
 libx32objc-7-dev - Runtime library for GNU Objective-C applications (x32 development
 libx32objc4 - Runtime library for GNU Objective-C applications (x32)
 libx32objc4-dbg - Runtime library for GNU Objective-C applications (x32 debug symbo
 libx32quadmath0 - GCC Quad-Precision Math Library (x32)
 libx32quadmath0-dbg - GCC Quad-Precision Math Library (x32 debug symbols)
 libx32stdc++-7-dev - GNU Standard C++ Library v3 (development files)
 libx32stdc++6 - GNU Standard C++ Library v3 (x32)
 libx32stdc++6-7-dbg - GNU Standard C++ Library v3 (debugging files)
 libx32ubsan0 - UBSan -- undefined behaviour sanitizer (x32)
 libx32ubsan0-dbg - UBSan -- undefined behaviour sanitizer (x32 debug symbols)
Closes: 871565
Changes:
 gcc-7 (7.2.0-4) unstable; urgency=medium
 .
   * Update to SVN 20170906 (r251753) from the gcc-7-branch.
     - Fix PR c++/82039, PR libstdc++/81912, PR libstdc++/81891,
       PR libstdc++/81599, PR libstdc++/81338, PR tree-optimization/81503,
       PR ada/79542, PR ada/62235, PR fortran/81770.
   * Fix PR target/81833 (PPC), taken from the trunk. Closes: #871565.
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--- End Message ---

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