% gdb --args mplayer movie.mp4 GNU gdb (GDB) 7.8 Copyright (C) 2014 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later 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 "x86_64-unknown-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from mplayer...(no debugging symbols found)...done. (gdb) start Function "main" not defined. Make breakpoint pending on future shared library load? (y or [n]) Starting program: /usr/bin/mplayer movie.mp4 Got object file from memory but can't read symbols: File truncated. warning: Could not load shared library symbols for linux-vdso.so.1. Do you need "set solib-search-path" or "set sysroot"? [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib/libthread_db.so.1". MPlayer SVN-r37285-snapshot (C) 2000-2014 MPlayer Team 210 audio & 441 video codecs Loading extension-related profile 'vo.vdpau' Playing movie.mp4. libavformat version 56.4.101 (internal) libavformat file format detected. [lavf] stream 0: video (h264), -vid 0 [lavf] stream 1: audio (aac), -aid 0, -alang und VIDEO: [H264] 1920x800 24bpp 23.976 fps 1769.1 kbps (216.0 kbyte/s) Clip info: major_brand: isom minor_version: 1 compatible_brands: isomavc1 creation_time: 2012-01-27 18:12:16 Load subtitles in ./ SUB: Added subtitle file (1): ./movie.srt Could not find a UTF-8 locale, character keys beyond Latin-1 will not be handled. [New Thread 0x7fffdc67e700 (LWP 3029)] ========================================================================== Forced video codec: ffh264vdpau Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family libavcodec version 56.1.100 (internal) Selected video codec: [ffh264vdpau] vfm: ffmpeg (FFmpeg H.264 (VDPAU)) ========================================================================== ========================================================================== Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders AUDIO: 48000 Hz, 2 ch, floatle, 64.0 kbit/2.08% (ratio: 8000->384000) Selected audio codec: [ffaac] afm: ffmpeg (FFmpeg AAC (MPEG-2/MPEG-4 Audio)) ========================================================================== [AO OSS] audio_setup: Can't open audio device /dev/dsp: No such file or directory AO: [alsa] 48000Hz 2ch floatle (4 bytes per sample) Starting playback... Movie-Aspect is 2.40:1 - prescaling to correct movie aspect. VO: [vdpau] 1920x800 => 1920x800 H.264 VDPAU acceleration Movie-Aspect is 2.40:1 - prescaling to correct movie aspect. VO: [vdpau] 1920x800 => 1920x800 H.264 VDPAU acceleration r600_pipe.h:470:r600_emit_command_buffer: Assertion `cs->cdw + cb->num_dw <= (16 * 1024)' failed. Program received signal SIGTRAP, Trace/breakpoint trap. 0x00007fffdc8ead56 in ?? () from /usr/lib/vdpau/libvdpau_r600.so.1 (gdb) bt #0 0x00007fffdc8ead56 in ?? () from /usr/lib/vdpau/libvdpau_r600.so.1 #1 0x00007fffdc8c3da7 in ?? () from /usr/lib/vdpau/libvdpau_r600.so.1 #2 0x00007fffdc9cf016 in ?? () from /usr/lib/vdpau/libvdpau_r600.so.1 #3 0x00007fffdc9d1a46 in ?? () from /usr/lib/vdpau/libvdpau_r600.so.1 #4 0x00007fffdc8f5e98 in ?? () from /usr/lib/vdpau/libvdpau_r600.so.1 #5 0x00007fffdc9b0b26 in ?? () from /usr/lib/vdpau/libvdpau_r600.so.1 #6 0x00007fffdc99ab3a in ?? () from /usr/lib/vdpau/libvdpau_r600.so.1 #7 0x00007fffdc997c1b in ?? () from /usr/lib/vdpau/libvdpau_r600.so.1 #8 0x00007fffdc8c5999 in ?? () from /usr/lib/vdpau/libvdpau_r600.so.1 #9 0x00005555556ddb54 in ?? () #10 0x00005555556ded08 in ?? () #11 0x00005555557daec1 in ?? () #12 0x0000555555c2fe44 in ?? () #13 0x00005555559e28c4 in ?? () #14 0x00005555559bfba8 in ?? () #15 0x0000555555bf9516 in ?? () #16 0x00005555557dba3d in ?? () #17 0x0000555555729746 in ?? () #18 0x00005555556a988c in ?? () #19 0x000055555569ca3f in ?? () #20 0x00007fffef1ee040 in __libc_start_main () from /usr/lib/libc.so.6 #21 0x000055555569ed69 in ?? () (gdb) quit A debugging session is active. Inferior 1 [process 3025] will be killed. Quit anyway? (y or n) y