Your message dated Wed, 09 Aug 2017 02:49:15 +0000 with message-id <e1dfh3b-0005qk...@fasolo.debian.org> and subject line Bug#870622: fixed in ffmpeg 7:3.3.3-2 has caused the Debian Bug report #870622, regarding ffmpeg: autopkgtest SIGBUS on armhf with binutils 2.29 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 ow...@bugs.debian.org immediately.) -- 870622: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=870622 Debian Bug Tracking System Contact ow...@bugs.debian.org with problems
--- Begin Message ---Source: ffmpeg Version: 7:3.3.3-1 Severity: important Tags: sid buster X-Debbugs-CC: debian-...@lists.debian.org, binut...@packages.debian.org Hi, I was looking at the Ubuntu proposed migration pages for ffmpeg and noticed that the autopkgtest failed on armhf: https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-artful/artful/armhf/f/ffmpeg/20170803_033623_bd98d@/log.gz It fails with SIGBUS when running the h264 tests. > (gdb) bt > #0 0xf6456e12 in ff_h264_idct_add_neon () at > src/libavcodec/arm/h264idct_neon.S:24 > #1 0xf6456f3c in ff_h264_idct_add16_neon () at > src/libavcodec/arm/h264idct_neon.S:118 > #2 0xf659c88c in hl_decode_mb_idct_luma (p=<optimized out>, > dest_y=<optimized out>, linesize=<optimized out>, block_offset=<optimized > out>, pixel_shift=0, transform_bypass=0, simple=1, > mb_type=<optimized out>, sl=<optimized out>, h=<optimized out>) at > src/libavcodec/h264_mb.c:778 > #3 hl_decode_mb_444_simple_8 (h=0xaab6ea00, sl=<optimized out>) at > src/libavcodec/h264_mb_template.c:349 > #4 0xf65a471e in ff_h264_hl_decode_mb (h=h@entry=0xaab6ea00, > sl=sl@entry=0xaab7a080) at src/libavcodec/h264_mb.c:810 > #5 0xf65b3670 in decode_slice (avctx=<optimized out>, > arg=arg@entry=0xaab7a080) at src/libavcodec/h264_slice.c:2553 > #6 0xf65b45a6 in ff_h264_execute_decode_slices (h=h@entry=0xaab6ea00) at > src/libavcodec/h264_slice.c:2728 > #7 0xf65b954a in decode_nal_units (buf_size=20, buf=0xaab35f00 "", > h=0xaab6ea00) at src/libavcodec/h264dec.c:715 > #8 h264_decode_frame (avctx=0xaab0d850, data=0xaab0dc70, > got_frame=0xaab38a2c, avpkt=<optimized out>) at src/libavcodec/h264dec.c:1016 > #9 0xf679c8e2 in frame_worker_thread (arg=0xaab38908) at > src/libavcodec/pthread_frame.c:199 > #10 0xf61895e8 in start_thread () from > /lib/arm-linux-gnueabihf/libpthread.so.0 > #11 0xf612a57c in ?? () from /lib/arm-linux-gnueabihf/libc.so.6 > (gdb) print $pc > $1 = (void (*)()) 0xf6456e12 <ff_h264_idct_add_neon+2> > (gdb) disassemble > Dump of assembler code for function ff_h264_idct_add_neon: > 0xf6456e10 <+0>: vld1.64 {d0-d3}, [r1 :128] > 0xf6456e14 <+4>: vmov.i16 q15, #0 ; 0x0000 > 0xf6456e18 <+8>: vswp d1, d2 > 0xf6456e1c <+12>: vst1.16 {d30-d31}, [r1 :128]! Notice that the program counter is misaligned - there is no instruction at 0xf6456e12. Since nothing has been changed in h264idct_neon.S for > 2 years, I guessed a toolchain issue and sure enough there is a difference between compiling the same file with binutils 2.28 and 2.29: > --- h264idct_neon-binutils-2.28-5 2017-08-03 12:48:07.560036237 +0000 > +++ h264idct_neon-binutils-2.29-3 2017-08-03 12:47:43.666083113 +0000 > @@ -89,8 +89,8 @@ > 118: f04f 0e00 movne.w lr, #0 > 11c: f1be 0f00 cmp.w lr, #0 > 120: bf14 ite ne > - 122: f2af 0e7f subwne lr, pc, #127 ; 0x7f > - 126: f2af 1e27 subweq lr, pc, #295 ; 0x127 > + 122: f2af 0e7e subwne lr, pc, #126 ; 0x7e > + 126: f2af 1e26 subweq lr, pc, #294 ; 0x126 > 12a: 47f0 blx lr > 12c: f1bc 0c01 subs.w ip, ip, #1 > 130: f101 0120 add.w r1, r1, #32 [...] Could the ARM porters look and see if the assembly in h264idct_neon.S is sane? If it is, this is probably a binutils bug. Thanks, James
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--- Begin Message ---Source: ffmpeg Source-Version: 7:3.3.3-2 We believe that the bug you reported is fixed in the latest version of ffmpeg, 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 870...@bugs.debian.org, and the maintainer will reopen the bug report if appropriate. Debian distribution maintenance software pp. James Cowgill <jcowg...@debian.org> (supplier of updated ffmpeg 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 ftpmas...@ftp-master.debian.org) -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Format: 1.8 Date: Tue, 08 Aug 2017 21:53:47 -0400 Source: ffmpeg Binary: ffmpeg ffmpeg-doc libavcodec57 libavcodec-extra57 libavcodec-extra libavcodec-dev libavdevice57 libavdevice-dev libavfilter6 libavfilter-extra6 libavfilter-extra libavfilter-dev libavformat57 libavformat-dev libavresample3 libavresample-dev libavutil55 libavutil-dev libpostproc54 libpostproc-dev libswresample2 libswresample-dev libswscale4 libswscale-dev libav-tools Architecture: source Version: 7:3.3.3-2 Distribution: unstable Urgency: medium Maintainer: Debian Multimedia Maintainers <pkg-multimedia-maintainers@lists.alioth.debian.org> Changed-By: James Cowgill <jcowg...@debian.org> Description: ffmpeg - Tools for transcoding, streaming and playing of multimedia files ffmpeg-doc - Documentation of the FFmpeg multimedia framework libav-tools - Compatibility links for libav-tools (transitional package) libavcodec-dev - FFmpeg library with de/encoders for audio/video codecs - developm libavcodec-extra - FFmpeg library with extra codecs (metapackage) libavcodec-extra57 - FFmpeg library with additional de/encoders for audio/video codecs libavcodec57 - FFmpeg library with de/encoders for audio/video codecs - runtime libavdevice-dev - FFmpeg library for handling input and output devices - developmen libavdevice57 - FFmpeg library for handling input and output devices - runtime fi libavfilter-dev - FFmpeg library containing media filters - development files libavfilter-extra - FFmpeg library with extra filters (metapackage) libavfilter-extra6 - FFmpeg library with extra media filters - runtime files libavfilter6 - FFmpeg library containing media filters - runtime files libavformat-dev - FFmpeg library with (de)muxers for multimedia containers - develo libavformat57 - FFmpeg library with (de)muxers for multimedia containers - runtim libavresample-dev - FFmpeg compatibility library for resampling - development files libavresample3 - FFmpeg compatibility library for resampling - runtime files libavutil-dev - FFmpeg library with functions for simplifying programming - devel libavutil55 - FFmpeg library with functions for simplifying programming - runti libpostproc-dev - FFmpeg library for post processing - development files libpostproc54 - FFmpeg library for post processing - runtime files libswresample-dev - FFmpeg library for audio resampling, rematrixing etc. - developme libswresample2 - FFmpeg library for audio resampling, rematrixing etc. - runtime f libswscale-dev - FFmpeg library for image scaling and various conversions - develo libswscale4 - FFmpeg library for image scaling and various conversions - runtim Closes: 870622 Changes: ffmpeg (7:3.3.3-2) unstable; urgency=medium . * Team upload. * Add 0005-arm-thumb2-blx.patch to fix SIGBUS on armhf. Thanks to Jiong Wang. (Closes: #870622) Checksums-Sha1: b0eb1a93505c24d0a1ee5642d70a0d544da5756d 4892 ffmpeg_3.3.3-2.dsc e063bf40c292de222187d5a92530ddfa42855ccf 44460 ffmpeg_3.3.3-2.debian.tar.xz 0a9519e703600f86d9a9f49eb2d5ee036198b38b 13346 ffmpeg_3.3.3-2_source.buildinfo Checksums-Sha256: c36555e20532a13bc1f6db87f711597d41f0a5d37255130b7d1b01fd131cee7e 4892 ffmpeg_3.3.3-2.dsc e74fee0034fb29d03a245b66907e1a798c437beafc1591bbff044b57a086ad13 44460 ffmpeg_3.3.3-2.debian.tar.xz f80d489337b2ab0cc1a7c0ca0be12c71bc856101e6fbca0c8339855785380ca2 13346 ffmpeg_3.3.3-2_source.buildinfo Files: f44cba52f09806488609fc780048bf4d 4892 video optional ffmpeg_3.3.3-2.dsc 48eb8edc0b2ab5cf1311604245813435 44460 video optional ffmpeg_3.3.3-2.debian.tar.xz a607980552991640e859d362e2c61dfb 13346 video optional ffmpeg_3.3.3-2_source.buildinfo -----BEGIN PGP SIGNATURE----- iQJIBAEBCgAyFiEE+Ixt5DaZ6POztUwQx/FnbeotAe8FAlmKa2gUHGpjb3dnaWxs QGRlYmlhbi5vcmcACgkQx/FnbeotAe+znA//cNLf1ekuPn1kfSLlDVvPvF6psD3D Ef1mMmtpVYZ6XMwf7Kh6ZyEGmlJykdTJs9NPFS/seg6KDJLxAE/dpfvSzSlKo0wn CIyrsrK2b5+NSsjf3Egy5jspPZ613vcsVkiqSvyVnVqGadqJ8mIAnSIunN2CdecN vL3OrfjXTDmwQGqNsqK36MX2osACEeT1Na+4v3iitrfRgh9x9uAv+zOI8h4+zf1d W5dNQDCnFe+GST8zC7hfNQL8Y9MdyKhzdXbuS/QQV1WFJr/HrBfTzr0bh/UzlnX/ 1ZFGf+P0uAFJMNDCpsYIUC0rtWljgUvKB8fkk4n6SwM0yrZ9mhs42tMcFXuLVlgD KmGgC6zUKJ8JvNvI4xGbS1J4I+Tl8kQPSW9LkEWqvXYJKevhtntBmh0uHHxndq6Y lYOnTdV5DapIQG4IgT8RNC+3j3tBPTL2HurVIhIiltVGcLCimUV5AzGJCJxJH2Cd rcIuDK+zSG8JK0e9LAdtIjfnk4OODxqmeYllCrsmXY2/Qyn0OZ17CmDH8pMbmM3w FpEuVrejJtut3Nwvf1UqwnUV+m0bNAUwPJIoisSbq+GOe+dJQGT7h013FyZ9mGlj bKl4M8b5LUVCKolbuT2apSfYB895t2yJObkytWHVDWM6bSafqxVLi0lAG4q4Fn9F xA+9cMIzhsDqicY= =YCRw -----END PGP SIGNATURE-----
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