[MPlayer-users] Segfault core dump over innocently missing GLX

[infernix]

debcoder at trashymail.com wrote:
> Bug report on a segfault core dump.  Missing GLX support is not handled
> gracefully.  (Regardless of GLX, mplayer should play audio.)  MPlayer
> 1.0~rc1-14 from Debian unstable (roughly, Etch++).  Sorry I do not have
> time to test your subversion.

I can't reproduce. Debian Etch, 64bit, nvidia binary drivers, glx 
disabled (no Load "glx" in xorg.conf modules section). Using Mplayer svn.

Data:

$ glxinfo
name of display: :0.0
Xlib:  extension "GLX" missing on display ":0.0".
Xlib:  extension "GLX" missing on display ":0.0".
Xlib:  extension "GLX" missing on display ":0.0".
Error: couldn't find RGB GLX visual

    visual  x  bf lv rg d st colorbuffer ax dp st accumbuffer  ms  cav
  id dep cl sp sz l  ci b ro  r  g  b  a bf th cl  r  g  b  a ns b eat
----------------------------------------------------------------------
Xlib:  extension "GLX" missing on display ":0.0".
Xlib:  extension "GLX" missing on display ":0.0".
0x21 24 tc  1  0  0 c  .  .  0  0  0  0  0  0  0  0  0  0  0  0 0 None
Xlib:  extension "GLX" missing on display ":0.0".
Xlib:  extension "GLX" missing on display ":0.0".
0x22 24 dc  1  0  0 c  .  .  0  0  0  0  0  0  0  0  0  0  0  0 0 None


$ mplayer somemovie.mkv -vo null
MPlayer dev-SVN-r24015-4.1.2 (C) 2000-2007 MPlayer Team
CPU: Intel(R) Core(TM)2 Quad CPU           @ 2.40GHz (Family: 6, Model: 
15, Stepping: 7)
CPUflags:  MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled for x86 CPU with extensions: MMX MMX2 SSE SSE2
113 audio & 235 video codecs
mplayer: could not connect to socket
mplayer: Connection refused
Failed to open LIRC support. You will not be able to use your remote 
control.

Playing somemovie.mkv
Cache fill:  1.56% (131072 bytes)
[mkv] Track ID 1: video (V_MPEG4/ISO/AVC) "Video", -vid 0
[mkv] Track ID 2: audio (A_AC3) "Audio", -aid 0, -alang eng
[mkv] Will play video track 1.
Matroska file format detected.
VIDEO:  [avc1]  1280x720  24bpp  23.976 fps    0.0 kbps ( 0.0 kbyte/s)
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffh264] vfm: ffmpeg (FFmpeg H.264)
==========================================================================
==========================================================================
Opening audio decoder: [liba52] AC3 decoding with liba52
Using SSE optimized IMDCT transform
Using MMX optimized resampler
AUDIO: 48000 Hz, 6 ch, s16le, 384.0 kbit/8.33% (ratio: 48000->576000)
Selected audio codec: [a52] afm: liba52 (AC3-liba52)
==========================================================================
AO: [alsa] 48000Hz 6ch s16le (2 bytes per sample)
Starting playback...
VDec: vo config request - 1280 x 720 (preferred colorspace: Planar YV12)
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is 1.78:1 - prescaling to correct movie aspect.
VO: [null] 1280x720 => 1280x720 Planar YV12
A:   1.0 V:   1.0 A-V:  0.002 ct: -0.000  24/ 24 16%  0%  0.6% 0 0 95%
Exiting... (Quit)