.
Thread 5 (Thread 0x7fced7b2f700 (LWP 2795)):
#0  0x00007fcf03ec0cbd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fceed1cd031 in poll (__timeout=-1, __nfds=2, __fds=0x7fced00049b0) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
No locals.
#2  poll_func (ufds=0x7fced00049b0, nfds=2, timeout=-1, userdata=0x25d7bf0) at pulse/thread-mainloop.c:69
        mutex = 0x25d7bf0
#3  0x00007fceed1be83c in pa_mainloop_poll (m=m@entry=0x25d7ae0) at pulse/mainloop.c:850
        __func__ = "pa_mainloop_poll"
        __PRETTY_FUNCTION__ = "pa_mainloop_poll"
#4  0x00007fceed1beece in pa_mainloop_iterate (m=m@entry=0x25d7ae0, block=block@entry=1, retval=retval@entry=0x0) at pulse/mainloop.c:932
        r = <optimized out>
        __func__ = "pa_mainloop_iterate"
        __PRETTY_FUNCTION__ = "pa_mainloop_iterate"
#5  0x00007fceed1bef80 in pa_mainloop_run (m=0x25d7ae0, retval=retval@entry=0x0) at pulse/mainloop.c:950
        r = <optimized out>
#6  0x00007fceed1ccfe3 in thread (userdata=0x25ca6e0) at pulse/thread-mainloop.c:88
        m = 0x25ca6e0
        mask = {__val = {18446744067267100671, 18446744073709551615 <repeats 15 times>}}
#7  0x00007fceecd70f08 in internal_thread_func (userdata=0x24f37d0) at pulsecore/thread-posix.c:83
        t = 0x24f37d0
#8  0x00007fcf041a1182 in start_thread (arg=0x7fced7b2f700) at pthread_create.c:312
        __res = <optimized out>
        pd = 0x7fced7b2f700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140526358820608, -8757294159690665285, 0, 0, 140526358821312, 140526358820608, 8784966213555516091, 8784798185942086331}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x00007fcf03ece00d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 4 (Thread 0x7fcef7b0d700 (LWP 2768)):
#0  0x00007fcf03ec0cbd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fcf0460cdb4 in g_main_context_poll (priority=2147483647, n_fds=2, fds=0x7fcef00010e0, timeout=-1, context=0xb6be70) at /build/buildd/glib2.0-2.42.1/./glib/gmain.c:4076
        poll_func = 0x7fcf0461b910 <g_poll>
#2  g_main_context_iterate (context=0xb6be70, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.42.1/./glib/gmain.c:3776
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 2
        allocated_nfds = 2
        fds = 0x7fcef00010e0
#3  0x00007fcf0460d0da in g_main_loop_run (loop=0xb6be00) at /build/buildd/glib2.0-2.42.1/./glib/gmain.c:3975
        __FUNCTION__ = "g_main_loop_run"
#4  0x00007fcf04bf8ac6 in gdbus_shared_thread_func (user_data=0xb6be40) at /build/buildd/glib2.0-2.42.1/./gio/gdbusprivate.c:273
        data = 0xb6be40
#5  0x00007fcf04631d55 in g_thread_proxy (data=0xafa800) at /build/buildd/glib2.0-2.42.1/./glib/gthread.c:764
        thread = 0xafa800
#6  0x00007fcf041a1182 in start_thread (arg=0x7fcef7b0d700) at pthread_create.c:312
        __res = <optimized out>
        pd = 0x7fcef7b0d700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140526895552256, -8757294159690665285, 0, 0, 140526895552960, 140526895552256, 8784895860917465787, 8784798185942086331}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007fcf03ece00d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 3 (Thread 0x7fcef507f700 (LWP 2769)):
#0  0x00007fcf03ec0cbd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fcf0460cdb4 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7fcee80010c0, timeout=-1, context=0x24becc0) at /build/buildd/glib2.0-2.42.1/./glib/gmain.c:4076
        poll_func = 0x7fcf0461b910 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x24becc0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.42.1/./glib/gmain.c:3776
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x7fcee80010c0
#3  0x00007fcf0460cebc in g_main_context_iteration (context=context@entry=0x24becc0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.42.1/./glib/gmain.c:3842
        retval = <optimized out>
#4  0x00007fcef910d1ad in dconf_gdbus_worker_thread (user_data=0x24becc0) at dconf-gdbus-thread.c:82
        context = 0x24becc0
#5  0x00007fcf04631d55 in g_thread_proxy (data=0xc8a630) at /build/buildd/glib2.0-2.42.1/./glib/gthread.c:764
        thread = 0xc8a630
#6  0x00007fcf041a1182 in start_thread (arg=0x7fcef507f700) at pthread_create.c:312
        __res = <optimized out>
        pd = 0x7fcef507f700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140526850930432, -8757294159690665285, 0, 0, 140526850931136, 140526850930432, 8784901454038627003, 8784798185942086331}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007fcf03ece00d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 2 (Thread 0x7fceedded700 (LWP 2794)):
#0  0x00007fcf03ec0cbd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fcf0460cdb4 in g_main_context_poll (priority=2147483647, n_fds=2, fds=0x7fcee00008c0, timeout=-1, context=0x25c4080) at /build/buildd/glib2.0-2.42.1/./glib/gmain.c:4076
        poll_func = 0x7fcf0461b910 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x25c4080, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.42.1/./glib/gmain.c:3776
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 2
        allocated_nfds = 2
        fds = 0x7fcee00008c0
#3  0x00007fcf0460cebc in g_main_context_iteration (context=0x25c4080, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.42.1/./glib/gmain.c:3842
        retval = <optimized out>
#4  0x00007fcf0460cef9 in glib_worker_main (data=<optimized out>) at /build/buildd/glib2.0-2.42.1/./glib/gmain.c:5589
No locals.
#5  0x00007fcf04631d55 in g_thread_proxy (data=0xafaed0) at /build/buildd/glib2.0-2.42.1/./glib/gthread.c:764
        thread = 0xafaed0
#6  0x00007fcf041a1182 in start_thread (arg=0x7fceedded700) at pthread_create.c:312
        __res = <optimized out>
        pd = 0x7fceedded700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140526730794752, -8757294159690665285, 0, 0, 140526730795456, 140526730794752, 8784848186780480187, 8784798185942086331}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007fcf03ece00d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 1 (Thread 0x7fcf07211a00 (LWP 2752)):
#0  send_frame_messages_timeout (data=0x4141bb0, data@entry=<error reading variable: value has been optimized out>) at compositor/meta-window-actor.c:798
        self = 0x4141bb0
        priv = 0x4141800
        frame = 0x4196960
#1  0x00007fcf0460d4d3 in g_timeout_dispatch (source=0x36e7f80, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/glib2.0-2.42.1/./glib/gmain.c:4520
        timeout_source = 0x36e7f80
        again = <optimized out>
#2  0x00007fcf0460cab5 in g_main_dispatch (context=0xb064f0) at /build/buildd/glib2.0-2.42.1/./glib/gmain.c:3111
        dispatch = 0x7fcf0460d4c0 <g_timeout_dispatch>
        prev_source = 0x0
        was_in_call = 0
        user_data = 0x4141bb0
        callback = 0x7fcf0681d060 <send_frame_messages_timeout>
        cb_funcs = 0x7fcf048ce8e0 <g_source_callback_funcs>
        cb_data = 0x4119b20
        need_destroy = <optimized out>
        source = 0x36e7f80
        current = 0x7fcef0001d90
        i = 0
#3  g_main_context_dispatch (context=context@entry=0xb064f0) at /build/buildd/glib2.0-2.42.1/./glib/gmain.c:3710
No locals.
#4  0x00007fcf0460ce18 in g_main_context_iterate (context=0xb064f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.42.1/./glib/gmain.c:3781
        max_priority = 150
        timeout = 0
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 5
        fds = 0x25ab080
#5  0x00007fcf0460d0da in g_main_loop_run (loop=0xb06720) at /build/buildd/glib2.0-2.42.1/./glib/gmain.c:3975
        __FUNCTION__ = "g_main_loop_run"
#6  0x00007fcf06836221 in meta_run () at core/main.c:566
        log_domains = {0x0, 0x7fcf06888e01 "mutter", 0x7fcf06886ee3 "Gtk", 0x7fcf06886ee7 "Gdk", 0x7fcf06886eeb "GLib", 0x7fcf06886ef0 "Pango", 0x7fcf06886ef6 "GLib-GObject", 0x7fcf06886f03 "GThread"}
        i = <optimized out>
#7  0x0000000000419cf4 in gala_main (args=0x7fff1e426cd8, args_length1=1) at /build/buildd/gala-0.1.0~r432+pkg29~ubuntu14.04.1/src/Main.vala:61
        result = 0
        ctx = <optimized out>
        _tmp0_ = <optimized out>
        _tmp4_ = 0xaff140
        _tmp5_ = 0x0
        _tmp6_ = <optimized out>
        _tmp7_ = <optimized out>
        _tmp8_ = <optimized out>
        _tmp9_ = 0
        _inner_error_ = 0x0
#8  0x00007fcf03df4ec5 in __libc_start_main (main=0x4141c0 <main>, argc=1, argv=0x7fff1e426cd8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff1e426cc8) at libc-start.c:287
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -8757294159690665285, 4276684, 140733701057744, 0, 0, 8757790267538993851, 8784782220447642299}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x43db20 <__libc_csu_init>, 0x7fff1e426cd8}, data = {prev = 0x0, cleanup = 0x0, canceltype = 4447008}}}
        not_first_call = <optimized out>
#9  0x00000000004141f5 in _start ()
No symbol table info available.