Comment 199 for bug 185311

The Marble Blast game demo also exhibits this bug. I've only checked this under hardy, however.

The demo can be downloaded from http://www.garagegames.com/products/15/ (you can enter empty strings for the contact info).

Backtrace:

Locking assertion failure. Backtrace:
#0 /usr/lib/libxcb-xlib.so.0 [0xb7c93770]
#1 /usr/lib/libxcb-xlib.so.0(xcb_xlib_unlock+0x2d) [0xb7c9389d]
#2 /usr/lib/libX11.so.6(_XReply+0xfc) [0xb7ce345c]
#3 ./lib/libSDL-1.2.so.0(SDL_XF86VidModeQueryVersion+0x8c) [0xb7f7f76c]
#4 ./lib/libSDL-1.2.so.0(X11_GetVideoModes+0x156) [0xb7f7a896]
#5 ./lib/libSDL-1.2.so.0 [0xb7f7c5a9]
#6 ./lib/libSDL-1.2.so.0(SDL_VideoInit+0x24e) [0xb7f71a12]
#7 ./lib/libSDL-1.2.so.0(SDL_InitSubSystem+0x43) [0xb7f529c7]
#8 ./lib/libSDL-1.2.so.0(SDL_Init+0x21) [0xb7f52ad1]
#9 ./marbleblastgolddemo.bin [0x82179ad]
#10 ./marbleblastgolddemo.bin(dlopen+0x41) [0x804cc31]