.
Thread 3 (LWP 1856):
#0  0xb76e8424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6a61dcb in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#2  0xb6d6c7cb in poll (__timeout=-1, __nfds=3, __fds=0xb4d023a0) at /usr/include/i386-linux-gnu/bits/poll2.h:46
No locals.
#3  g_poll (fds=fds@entry=0xb4d023a0, nfds=nfds@entry=3, timeout=timeout@entry=-1) at /build/buildd/glib2.0-2.37.3/./glib/gpoll.c:132
No locals.
#4  0xb6d5d808 in g_main_context_poll (priority=2147483647, n_fds=3, fds=0xb4d023a0, timeout=-1, context=0xb5709e58) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3999
        poll_func = 0xb6d6c7a0 <g_poll>
#5  g_main_context_iterate (context=0xb5709e58, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3700
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 3
        allocated_nfds = <optimized out>
        fds = 0xb4d023a0
#6  0xb6d5dceb in g_main_loop_run (loop=0xb5709e20) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3899
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#7  0xb6c0b29a in gdbus_shared_thread_func (user_data=0xb5709e40) at /build/buildd/glib2.0-2.37.3/./gio/gdbusprivate.c:278
        data = 0xb5709e40
#8  0xb6d836da in g_thread_proxy (data=0x8ef9db0) at /build/buildd/glib2.0-2.37.3/./glib/gthread.c:798
        thread = 0x8ef9db0
#9  0xb68dbd78 in start_thread (arg=0xb56ffb40) at pthread_create.c:311
        __res = <optimized out>
        pd = 0xb56ffb40
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1232154624, 0, 4001536, -1250954584, 165181641, -851348786}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#10 0xb6a713de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131
No locals.
.
Thread 2 (LWP 1855):
#0  0xb76e8424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6a61dcb in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#2  0xb6d6c7cb in poll (__timeout=-1, __nfds=1, __fds=0xb5700c78) at /usr/include/i386-linux-gnu/bits/poll2.h:46
No locals.
#3  g_poll (fds=fds@entry=0xb5700c78, nfds=nfds@entry=1, timeout=timeout@entry=-1) at /build/buildd/glib2.0-2.37.3/./glib/gpoll.c:132
No locals.
#4  0xb6d5d808 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0xb5700c78, timeout=-1, context=0x8f2bbe0) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3999
        poll_func = 0xb6d6c7a0 <g_poll>
#5  g_main_context_iterate (context=context@entry=0x8f2bbe0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3700
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = <optimized out>
        fds = 0xb5700c78
#6  0xb6d5d948 in g_main_context_iteration (context=0x8f2bbe0, may_block=1) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3766
        retval = <optimized out>
#7  0xb62f5f00 in ?? () from /tmp/apport_sandbox_KwHjLj/usr/lib/i386-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#8  0xb6d836da in g_thread_proxy (data=0x8ef9800) at /build/buildd/glib2.0-2.37.3/./glib/gthread.c:798
        thread = 0x8ef9800
#9  0xb68dbd78 in start_thread (arg=0xb6046b40) at pthread_create.c:311
        __res = <optimized out>
        pd = 0xb6046b40
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1232154624, 0, 4001536, -1241226584, -554141489, -851348786}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#10 0xb6a713de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131
No locals.
.
Thread 1 (LWP 1846):
#0  0xb7568533 in wnck_window_get_actions (window=0x8feb098) at window.c:2171
        __inst = 0x8feb098
        __t = 150136344
        __r = <optimized out>
        _g_boolean_var_ = <optimized out>
        __PRETTY_FUNCTION__ = "wnck_window_get_actions"
#1  0xb7569613 in update_menu_state (menu=menu@entry=0x900f250) at window-action-menu.c:408
        priv = 0x900f1c0
        actions = <optimized out>
        screen = <optimized out>
        workspace = <optimized out>
        viewport_mode = <optimized out>
        move_workspace_sensitive = <optimized out>
#2  0xb6d5a1e0 in g_idle_dispatch (source=source@entry=0x8fd37f8, callback=0xb75695e0 <update_menu_state>, user_data=0x900f250) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:5235
No locals.
#3  0xb6d5d4de in g_main_dispatch (context=0x8eeb0b0) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3058
        dispatch = 0xb6d5a1c0 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0x900f250
        callback = 0xb75695e0 <update_menu_state>
        cb_funcs = 0xb6e1a4d4 <g_source_callback_funcs>
        cb_data = <optimized out>
        need_destroy = <optimized out>
        current_source_link = {data = 0x8fd37f8, next = 0x0}
        source = 0x8fd37f8
        current = 0x8fd1f10
        i = 0
#4  g_main_context_dispatch (context=context@entry=0x8eeb0b0) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3634
No locals.
#5  0xb6d5d888 in g_main_context_iterate (context=0x8eeb0b0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3705
        max_priority = 200
        timeout = 0
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = <optimized out>
        fds = <optimized out>
#6  0xb6d5dceb in g_main_loop_run (loop=loop@entry=0x8fd1ed8) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3899
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#7  0xb71ff3e0 in IA__gtk_main () at /build/buildd/gtk+2.0-2.24.20/gtk/gtkmain.c:1271
        tmp_list = 0x0
        functions = 0x0
        init = <optimized out>
        loop = 0x8fd1ed8
#8  0x080529eb in main ()
No symbol table info available.