Firefox 12.0 crash

Firefox 12.0 on Ubuntu 11.10. Crashed while opening http://www.fullycharged.tv/

###!!! ABORT: X_ShmPutImage: BadMatch (invalid parameter attributes); 17 requests ago: file /build/buildd/firefox-12.0+build1/build-tree/mozilla/toolkit/xre/nsX11ErrorHandler.cpp, line 190
###!!! ABORT: X_ShmPutImage: BadMatch (invalid parameter attributes); 17 requests ago: file /build/buildd/firefox-12.0+build1/build-tree/mozilla/toolkit/xre/nsX11ErrorHandler.cpp, line 190

Program received signal SIGSEGV, Segmentation fault.
0xb7fcde9f in ?? () from /usr/lib/firefox/libmozalloc.so
(gdb) bt
#0 0xb7fcde9f in ?? () from /usr/lib/firefox/libmozalloc.so
#1 0xb7fcdeea in mozalloc_abort(char const*) ()
   from /usr/lib/firefox/libmozalloc.so
#2 0xb6a5414b in NS_DebugBreak_P () from /usr/lib/firefox/libxul.so
#3 0xb5f41fe3 in ?? () from /usr/lib/firefox/libxul.so
#4 0xb485ea75 in ?? () from /usr/lib/libbonoboui-2.so.0
#5 0xb5849d6b in _XError (dpy=0xb7a7b000, rep=0x9de60820)
    at ../../src/XlibInt.c:1583
#6 0xb584693d in handle_error (dpy=0xb7a7b000, err=0x9de60820, in_XReply=1)
    at ../../src/xcb_io.c:212
#7 0xb5846997 in handle_response (dpy=0xb7a7b000, response=0x9de60820,
    in_XReply=1) at ../../src/xcb_io.c:324
#8 0xb5847850 in _XReply (dpy=0xb7a7b000, rep=0xbfffb540, extra=0, discard=1)
    at ../../src/xcb_io.c:626
#9 0xb5844795 in XTranslateCoordinates (dpy=0xb7a7b000, src_win=83886446,
    dest_win=356, src_x=0, src_y=0, dst_x=0xbfffb598, dst_y=0xbfffb59c,
    child=0xbfffb594) at ../../src/TrCoords.c:51
#10 0xb50986c3 in gdk_window_x11_get_root_coords (window=0xacbf0ed0, x=0, y=0,
    root_x=0xbfffb608, root_y=0xbfffb60c)
    at /build/buildd/gtk+2.0-2.24.6/gdk/x11/gdkwindow-x11.c:2866
#11 0xb506c86a in IA__gdk_window_get_origin (window=0xacbf0ed0, x=0xbfffb608,
    y=0xbfffb60c) at /build/buildd/gtk+2.0-2.24.6/gdk/gdkwindow.c:8348
#12 0xb68c2d0e in ?? () from /usr/lib/firefox/libxul.so
---Type <return> to continue, or q <return> to quit---
#13 0xb63075d7 in ?? () from /usr/lib/firefox/libxul.so
#14 0xb6308b4f in ?? () from /usr/lib/firefox/libxul.so
#15 0xb66dd798 in ?? () from /usr/lib/firefox/libxul.so
#16 0xa1249b65 in ?? ()
#17 0xb779d568 in ?? () from /usr/lib/firefox/libxul.so
Backtrace stopped: previous frame inner to this frame (corrupt stack?)