(gdb) bt full
    #0  0xb7716424 in __kernel_vsyscall ()
    No symbol table info available.
    #1  0xb74894d2 in __lll_lock_wait ()
        at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/lowlevellock.S:144
    No locals.
    #2  0xb7484ed4 in _L_lock_776 () from /lib/i386-linux-gnu/libpthread.so.0
    No symbol table info available.
    #3  0xb7484d13 in __GI___pthread_mutex_lock (mutex=mutex@entry=0x923edd0)
        at pthread_mutex_lock.c:64
            __PRETTY_FUNCTION__ = "__pthread_mutex_lock"
            type = 0
            id = 14988
    #4  0xb74ba14c in wl_proxy_create (factory=factory@entry=0x9244af8,
        interface=0xb74c09b8 <wl_callback_interface>) at wayland-client.c:228
            proxy = 0x92443d8
            display = 0x923ed38
    #5  0xb5b5f583 in wl_display_sync (wl_display=0x9244af8)
        at /opt/include/wayland-client-protocol.h:173
            callback = <optimized out>
    #6  wayland_roundtrip (display=0x923a528) at wayland/native_wayland.c:57
            callback = 0x923a528
            done = 0
            ret = 0
    #7  0xb5b5eb7b in wayland_shm_display_init_screen (ndpy=0x9245398)
        at wayland/native_shm.c:166
            winsys = 0x0
    #8  0xb5b57550 in egl_g3d_initialize (drv=0x92442a0, dpy=0x923f670)
        at common/egl_g3d.c:546
            gdpy = 0x92443a0
            nplat = 0x923f670
    #9  0xb74ce5ea in _eglMatchAndInitialize (dpy=<optimized out>)
        at egldriver.c:608
            mod = 0x923f260
            drv = <optimized out>
            i = 0
    #10 _eglMatchAndInitialize (dpy=0x923f670) at egldriver.c:581
            drv = 0x0
    #11 0xb74cea76 in _eglMatchDriver (dpy=dpy@entry=0x923f670,
    ---Type <return> to continue, or q <return> to quit---
        test_only=test_only@entry=0) at egldriver.c:642
            best_drv = 0x0
            __PRETTY_FUNCTION__ = "_eglMatchDriver"
    #12 0xb74c93e0 in eglInitialize (dpy=0x923f670, major=major@entry=0xbf9f9dc4,
        minor=minor@entry=0xbf9f9dc8) at eglapi.c:317
            __FUNCTION__ = "eglInitialize"
    #13 0x08056d6a in init_egl (d=0x923a480) at window.c:4230
            major = 134516980
            minor = 134589963
            context_attribs = 0x0
            n = <optimized out>
            api = 12450
    #14 display_create (argc=argc@entry=0xbf9f9e30, argv=argv@entry=0xbf9f9ec4)
        at window.c:4378
            d = 0x923a480
    #15 0x0804bb1e in main (argc=1, argv=0xbf9f9ec4) at terminal.c:2689
            d = <optimized out>
            terminal = <optimized out>
            config_file = 0x923a458 "/usr/share/X11/xkb"