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Re: Bug#726733: av_register_all() segfaults on s390x in some cases (regression, causes FTBFS)


mpd also FTBFS since I enabled the build tests in 0.18 (no regression
here either).

Reinhard asked for a backtrace, this is what I get in the
sid_s390x-dchroot on zelenka:

fsfs@zelenka ~/mpd-0.18.3 % gdb ./test/run_input core
GNU gdb (GDB) 7.6.1 (Debian 7.6.1-1)
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "s390x-linux-gnu".
For bug reporting instructions, please see:
Reading symbols from /home/fsfs/mpd-0.18.3/test/run_input...done.
[New LWP 16192]
[New LWP 16193]

warning: Could not load shared library symbols for linux-vdso64.so.1.
Do you need "set solib-search-path" or "set sysroot"?
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/s390x-linux-gnu/libthread_db.so.1".
Core was generated by `./test/run_input test/tmp/configure.bz2'.
Program terminated with signal 11, Segmentation fault.
#0  0x000003ff800040b4 in ?? ()
(gdb) bt
#0  0x000003ff800040b4 in ?? ()
#1  0x000003fffbb2be68 in ?? () from /usr/lib/s390x-linux-gnu/libavcodec.so.54
#2  0x000003fffbb1be68 in ?? () from /usr/lib/s390x-linux-gnu/libavcodec.so.54
#3  0x000003fffbb07c34 in avcodec_register_all () from /usr/lib/s390x-linux-gnu/libavcodec.so.54
#4  0x000003fffcfae996 in av_register_all () from /usr/lib/s390x-linux-gnu/libavformat.so.54
#5  0x000000008000905e in input_ffmpeg_init (param=..., error=...) at src/input/FfmpegInputPlugin.cxx:78
#6  0x0000000080004ed4 in input_stream_global_init (error=...) at src/InputInit.cxx:85
#7  0x00000000800043bc in main (argc=<optimized out>, argv=0x3ffffaa98a8) at test/run_input.cxx:140


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