Comment 7 for bug 686698

I have no idea if this is relevant, but on the box on which I get the exact same backtrace for unity (x86-PAE kernel; fglrx from x-updates), I also get the following. If this happens to be the symptom of the same problem, perhaps this shorter backtrace helps in debugging.

% gdb /usr/lib/nux/unity_support_test
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Reading symbols from /usr/lib/nux/unity_support_test...(no debugging symbols found)...done.
(gdb) run
Starting program: /usr/lib/nux/unity_support_test
[Thread debugging using libthread_db enabled]

Program received signal SIGSEGV, Segmentation fault.
0x00000000 in ?? ()
(gdb) bt
#0 0x00000000 in ?? ()
#1 0xb7f21864 in nux::GraphicsDisplay::EnableVSyncSwapControl() ()
   from /usr/lib/libnux-graphics-0.9.so.0
#2 0xb7f21e40 in nux::GraphicsDisplay::CreateOpenGLWindow(char const*, unsigned int, unsigned int, nux::WindowStyle, nux::GraphicsDisplay const*, bool) ()
   from /usr/lib/libnux-graphics-0.9.so.0
#3 0xb7f410f9 in nux::DisplayAccessController::CreateGLWindow(char const*, unsigned int, unsigned int, nux::WindowStyle, nux::GraphicsDisplay*, bool) ()
   from /usr/lib/libnux-graphics-0.9.so.0
#4 0x08048a86 in ?? ()
#5 0x08048e2f in ?? ()
#6 0xb7b92ce7 in __libc_start_main (main=0x8048e10, argc=1,
    ubp_av=0xbffff214, init=0x8048ed0, fini=0x8048ec0,
    rtld_fini=0xb7ff0ac0 <_dl_fini>, stack_end=0xbffff20c) at libc-start.c:226
#7 0x080489a1 in ?? ()
(gdb)