[apport] vlc crashed with SIGSEGV in OpenGL

I have tried when beryl is not launch and the same bug occurs.

Thanks for your bug report.

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A duplicate:
https://bugs.launchpad.net/ubuntu/+source/vlc/+bug/102650

Same issue occurring for me, vlc crashes when trying to play any video when opengl is selected as video output. Terminal output is:

[00000338] a52 decoder: A/52 channels:6 samplerate:48000 bitrate:640000
No accelerated IMDCT transform found
[00000342] main private error: option glx-shm does not exist
X Error of failed request: GLXBadDrawable
  Major opcode of failed request: 143 (GLX)
  Minor opcode of failed request: 26 ()
  Serial number of failed request: 65
  Current serial number in output stream: 65
Locking assertion failure. Backtrace:
#0 /usr/lib/libxcb-xlib.so.0 [0xb4838767]
#1 /usr/lib/libxcb-xlib.so.0(xcb_xlib_lock+0x2e) [0xb483881e]
#2 /usr/lib/libX11.so.6 [0xb4a145f8]
#3 /usr/lib/libX11.so.6(XESetCloseDisplay+0x31) [0xb49f79b1]
#4 /usr/lib/libGL.so.1 [0xaf3d9b69]
vlc: xcb_xlib.c:73: xcb_xlib_lock: Assertion `!c->xlib.lock' failed.
Aborted (core dumped)

Tested in Hardy (current as of report), vlc 0.8.6.release.d-0ubuntu3, with Nvidia 8600GT, nvidia-glx-new-169.09+2.6.24.9-8.25. Let me know if any more info is needed.

I get the same error (in Hardy).

However, I also get that error when I run glxinfo or glxgears, and glxinfo tells me I have no direct rendering even though glxgears is rendering at a speed that wouldn't be possible without direct rendering, the same speed it had before I upgraded to Hardy RC (from Gutsy). Should I file that as a separate bug, or is it all caused by the same thing?

(Also, I only get this error on my nvidia-based desktop computer. My intel-based laptop, also running Hardy RC, has no problems.)

If you can run vlc in GL mode with no problems on your intel graphics laptop, it sounds like maybe this is a nvidia specific issue. Not sure about your direct rendering issue, my glxinfo shows I have direct rendering.

VLC in OpenGL mode works fine on my laptop, and I just found the reason for the glx[info|gears] issue on this computer (the desktop).
Somehow, it decided to use libGL.so.0 from /usr/X11R6/lib, a directory not changed since 2006-11-10, which suggests edgy was the last to use it (this computer has been upgraded in steps from hoary(!)). By renaming /usr/X11R6 to /usr/X11R.old, it started working again, and nothing else seems to be affected. Maybe some package should be updated to clean out that directory from old libraries?

Anyway, the VLC problem still persists on this computer, I just tried it.

I'm using VLC 0.9.3 from this repo:
https://edge.launchpad.net/~c-korn/+archive/

And the problem still is there.

Why not the official 0.9.3 packages in the Ubuntu repository? (Please try an 8.10 beta desktop image if necessary.)