#0  0x00007fdfc23a65bc in __GI___libc_free (mem=0x7fdfc4fdbcf5) at malloc.c:2982
        ar_ptr = <optimized out>
        p = 0x7fdfc4fdbce5
        hook = <optimized out>
#1  0x000000000040fea1 in cheese_main_window_update_timeout_layer (self=<optimized out>) at src/cheese-window.c:2757
        _tmp1_ = 0x23da960
        _tmp2_ = <optimized out>
        _tmp3_ = 0x7fdfc4fdbcf5 ""
        _tmp4_ = 0x7fdfc4fdbcf5 ""
        result = 0
        _tmp0_ = <optimized out>
#2  _cheese_main_window_update_timeout_layer_gsource_func (self=<error reading variable: value has been optimized out>) at src/cheese-window.c:2655
        result = -1006632960
#3  0x00007fdfc294763b in g_timeout_dispatch (source=source@entry=0x2d96d60, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:4026
        timeout_source = <optimized out>
        again = <optimized out>
#4  0x00007fdfc2946ab5 in g_main_dispatch (context=0x1b62ad0) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:2715
        dispatch = 0x7fdfc2947620 <g_timeout_dispatch>
        was_in_call = 0
        user_data = 0x22d4110
        callback = 0x40fe40 <_cheese_main_window_update_timeout_layer_gsource_func>
        cb_funcs = 0x7fdfc2bf49e0
        cb_data = 0x2d8f380
        current_source_link = {data = 0x2d96d60, next = 0x0}
        need_destroy = <optimized out>
        source = 0x2d96d60
        current = 0x1ba9740
        i = <optimized out>
#5  g_main_context_dispatch (context=context@entry=0x1b62ad0) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3219
No locals.
#6  0x00007fdfc2946de8 in g_main_context_iterate (context=context@entry=0x1b62ad0, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3290
        max_priority = 2147483647
        timeout = 847
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = <optimized out>
        fds = 0x2875ea0
#7  0x00007fdfc2946ea4 in g_main_context_iteration (context=0x1b62ad0, context@entry=0x0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3351
        retval = <optimized out>
#8  0x00007fdfc30fe69c in g_application_run (application=application@entry=0x22cc0c0, argc=<optimized out>, argv=0x7fff5a152e38) at /build/buildd/glib2.0-2.34.0/./gio/gapplication.c:1620
        arguments = 0x22ca9b0
        status = -1006632960
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#9  0x0000000000417e68 in _vala_main (args=0x7fff5a152e38, args_length1=1) at src/cheese-main.c:1355
        result = 0
        _tmp0_ = <optimized out>
        app = 0x22cc0c0
        _tmp1_ = 0x22cc0c0
        _tmp2_ = 0x22cc0c0
        _tmp3_ = 0x22cc0c0
        _tmp4_ = 0x22cc0c0
        _tmp5_ = <optimized out>
        _tmp5__length1 = <optimized out>
        _tmp6_ = 0
        status = <optimized out>
#10 0x00007fdfc234476d in __libc_start_main (main=0x40c940 <main>, argc=1, ubp_av=0x7fff5a152e38, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff5a152e28) at libc-start.c:226
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -6802244654712447034, 4245864, 140734704725552, 0, 0, 6802448284931628998, 6784135101459505094}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x41b550, 0x7fff5a152e38}, data = {prev = 0x0, cleanup = 0x0, canceltype = 4306256}}}
        not_first_call = <optimized out>
#11 0x000000000040c991 in _start ()
No symbol table info available.