Bug#639948: libavcodec.so.53: ffplay produces a coredump on arch ppc

[Elimar Riesebieter]

* Reinhard Tartler [110901 08:00 +0200]:

[...]
> Can you please redo the backtrace with the package ffmpeg-dbg installed?

[Thread debugging using libthread_db enabled]
Core was generated by `ffplay 03-G3_Live_in_Denver-Joe_Satriani-Starry_Night.aac'.
Program terminated with signal 11, Segmentation fault.
#0  0x0f6ff2e4 in ff_fft_calc_altivec () at /build/buildd-libav_0.7.1-3-powerpc-vCfdgT/libav-0.7.1/libavcodec/ppc/fft_altivec_s.S:447
447     /build/buildd-libav_0.7.1-3-powerpc-vCfdgT/libav-0.7.1/libavcodec/ppc/fft_altivec_s.S: Datei oder Verzeichnis nicht gefunden.
        in /build/buildd-libav_0.7.1-3-powerpc-vCfdgT/libav-0.7.1/libavcodec/ppc/fft_altivec_s.S
(gdb) bt
#0  0x0f6ff2e4 in ff_fft_calc_altivec () at /build/buildd-libav_0.7.1-3-powerpc-vCfdgT/libav-0.7.1/libavcodec/ppc/fft_altivec_s.S:447
#1  0x0f6feaa8 in ff_imdct_half_altivec (s=<optimized out>, output=<optimized out>, input=<optimized out>)
    at /build/buildd-libav_0.7.1-3-powerpc-vCfdgT/libav-0.7.1/libavcodec/ppc/fft_altivec.c:93
#2  0x0f437ce8 in imdct_and_windowing (ac=0x10065e00, sce=0x4917f0c0) at /build/buildd-libav_0.7.1-3-powerpc-vCfdgT/libav-0.7.1/libavcodec/aacdec.c:1856
#3  0x0f43caa8 in spectral_to_sample (ac=<optimized out>) at /build/buildd-libav_0.7.1-3-powerpc-vCfdgT/libav-0.7.1/libavcodec/aacdec.c:2015
#4  aac_decode_frame_int (avctx=<optimized out>, data=0x49150020, data_size=0x4914e938, gb=<optimized out>)
    at /build/buildd-libav_0.7.1-3-powerpc-vCfdgT/libav-0.7.1/libavcodec/aacdec.c:2170
#5  0x0f43ccec in aac_decode_frame (avctx=<optimized out>, data=<optimized out>, data_size=<optimized out>, avpkt=<optimized out>)
    at /build/buildd-libav_0.7.1-3-powerpc-vCfdgT/libav-0.7.1/libavcodec/aacdec.c:2216
#6  0x0f77f25c in avcodec_decode_audio3 (avctx=0x10065a00, samples=<optimized out>, frame_size_ptr=<optimized out>, avpkt=<optimized out>)
    at /build/buildd-libav_0.7.1-3-powerpc-vCfdgT/libav-0.7.1/libavcodec/utils.c:726
#7  0x0ff3f924 in try_decode_frame (avpkt=0x100632a0, st=0x10061a00) at /build/buildd-libav_0.7.1-3-powerpc-vCfdgT/libav-0.7.1/libavformat/utils.c:2104
#8  av_find_stream_info (ic=0x10047e00) at /build/buildd-libav_0.7.1-3-powerpc-vCfdgT/libav-0.7.1/libavformat/utils.c:2388
#9  0x10008ac8 in decode_thread (arg=0x48882020) at /build/buildd-libav_0.7.1-3-powerpc-vCfdgT/libav-0.7.1/ffplay.c:2362
#10 0x0f18f63c in ?? () from /usr/lib/libSDL-1.2.so.0
#11 0x0f1d7e18 in ?? () from /usr/lib/libSDL-1.2.so.0
#12 0x0f1457a0 in start_thread () from /lib/powerpc-linux-gnu/libpthread.so.0
#13 0x0f09c9f0 in clone () from /lib/powerpc-linux-gnu/libc.so.6

> Also, does removing the file /usr/lib/altivec/libavcodec.so.53 help?

It helps, but was installed by libavcodec53 4:0.7.1-3?
$ dpkg -L libavcodec53 | grep altivec

/usr/lib/altivec
/usr/lib/altivec/libavcodec.so.53.5.0
/usr/lib/altivec/libavcodec.so.53

There is more libav stuff in /usr/lib/altivec.

Elimar


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