.
Thread 3 (Thread 0x7f108e46e700 (LWP 1993)):
#0  0x00007f10a1ca0893 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007f10a2d75e86 in g_main_context_poll (n_fds=1, fds=0x7f10880010d0, timeout=-1, context=0x1f32340, priority=<optimized out>) at /build/buildd/glib2.0-2.31.14/./glib/gmain.c:3412
        poll_func = 0x7f10a2d82de0 <g_poll>
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x1f32340, self=<optimized out>) at /build/buildd/glib2.0-2.31.14/./glib/gmain.c:3113
        timeout = -1
        some_ready = <optimized out>
        fds = 0x7f10880010d0
        max_priority = 2147483647
        nfds = 1
        allocated_nfds = <optimized out>
#3  g_main_context_iterate (context=0x1f32340, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.14/./glib/gmain.c:3055
        some_ready = -2013261616
#4  0x00007f10a2d762ea in g_main_loop_run (loop=0x7f10880010b0) at /build/buildd/glib2.0-2.31.14/./glib/gmain.c:3312
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#5  0x00007f108e47378b in dconf_context_thread (data=<optimized out>) at dconfcontext.c:11
        context = 0x1f32340
        loop = <optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#6  0x00007f10a2d97485 in g_thread_proxy (data=0x1be1b70) at /build/buildd/glib2.0-2.31.14/./glib/gthread.c:801
        thread = 0x1be1b70
#7  0x00007f10a290fe2b in start_thread (arg=0x7f108e46e700) at pthread_create.c:304
        __res = <optimized out>
        pd = 0x7f108e46e700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -7072384069187053025, 140735420220960, 139709083216320, 0, 3, 7203723815729846815, 7203680265877281311}, 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"
#8  0x00007f10a1cac0dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7f108d5f9700 (LWP 1996)):
#0  0x00007f10a1ca0893 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007f10a2d75e86 in g_main_context_poll (n_fds=3, fds=0x1f81120, timeout=-1, context=0x1f81220, priority=<optimized out>) at /build/buildd/glib2.0-2.31.14/./glib/gmain.c:3412
        poll_func = 0x7f10a2d82de0 <g_poll>
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x1f81220, self=<optimized out>) at /build/buildd/glib2.0-2.31.14/./glib/gmain.c:3113
        timeout = -1
        some_ready = <optimized out>
        fds = 0x1f81120
        max_priority = 2147483647
        nfds = 3
        allocated_nfds = <optimized out>
#3  g_main_context_iterate (context=0x1f81220, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.14/./glib/gmain.c:3055
        some_ready = 33034528
#4  0x00007f10a2d762ea in g_main_loop_run (loop=0x1f81140) at /build/buildd/glib2.0-2.31.14/./glib/gmain.c:3312
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#5  0x00007f10a015fb56 in gdbus_shared_thread_func (user_data=<optimized out>) at /build/buildd/glib2.0-2.31.14/./gio/gdbusprivate.c:276
        data = 0x1f811f0
#6  0x00007f10a2d97485 in g_thread_proxy (data=0x7f1088004680) at /build/buildd/glib2.0-2.31.14/./glib/gthread.c:801
        thread = 0x7f1088004680
#7  0x00007f10a290fe2b in start_thread (arg=0x7f108d5f9700) at pthread_create.c:304
        __res = <optimized out>
        pd = 0x7f108d5f9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -7072384069187053025, 139709083211952, 139709068057024, 0, 3, 7203721553892694559, 7203680265877281311}, 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"
#8  0x00007f10a1cac0dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f10a4a9b9c0 (LWP 1898)):
#0  intel_miptree_release (mt=0x220) at intel_mipmap_tree.c:290
        __FUNCTION__ = "intel_miptree_release"
#1  0x00007f1097839bc1 in intel_process_dri2_buffer_with_separate_stencil (buffer_name=0x7f10978c0090 "dri2 hiz buffer", rb=0x2d05200, buffer=<optimized out>, intel=0x1c6ba50, drawable=<optimized out>) at intel_context.c:1267
        buffer_width = <optimized out>
        buffer_height = <optimized out>
        region = 0x0
        mt = <optimized out>
#2  intel_update_renderbuffers (context=<optimized out>, drawable=0x3149090) at intel_context.c:361
        fb = 0x29e3400
        rb = 0x2d05200
        intel = 0x1c6ba50
        buffers = <optimized out>
        attachments = <optimized out>
        i = <optimized out>
        count = 5
        region_name = 0x7f10978c0090 "dri2 hiz buffer"
        try_separate_stencil = true
        __func__ = "intel_update_renderbuffers"
#3  0x00007f109784705d in intelSetTexBuffer2 (pDRICtx=0x1c65920, target=3553, texture_format=8410, dPriv=0x3149090) at intel_tex_image.c:335
        fb = 0x29e3400
        intel = 0x1c6ba50
        ctx = 0x1c6ba50
        rb = 0x1c65920
        texObj = 0x2a48a00
        texImage = <optimized out>
        texFormat = <optimized out>
#4  0x00007f10985bff5e in TfpTexture::bindPixmapToTexture(unsigned long, int, int, int) () from /tmp/tmpT7Z2eR/usr/lib/compiz/libopengl.so
No symbol table info available.
#5  0x00007f10985bc3c4 in boost::detail::function::function_invoker4<GLTexture::List (*)(unsigned long, int, int, int), GLTexture::List, unsigned long, int, int, int>::invoke(boost::detail::function::function_buffer&, unsigned long, int, int, int) () from /tmp/tmpT7Z2eR/usr/lib/compiz/libopengl.so
No symbol table info available.
#6  0x00007f10985bfb64 in GLTexture::bindPixmapToTexture(unsigned long, int, int, int) () from /tmp/tmpT7Z2eR/usr/lib/compiz/libopengl.so
No symbol table info available.
#7  0x00007f1095fc6e99 in DecorTexture::DecorTexture(unsigned long) () from /tmp/tmpT7Z2eR/usr/lib/compiz/libdecor.so
No symbol table info available.
#8  0x00007f1095fc6faa in DecorScreen::getTexture(unsigned long) () from /tmp/tmpT7Z2eR/usr/lib/compiz/libdecor.so
No symbol table info available.
#9  0x00007f1095fc7444 in Decoration::create(unsigned long, unsigned long) () from /tmp/tmpT7Z2eR/usr/lib/compiz/libdecor.so
No symbol table info available.
#10 0x00007f1095fc75e4 in DecorWindow::updateDecoration() () from /tmp/tmpT7Z2eR/usr/lib/compiz/libdecor.so
No symbol table info available.
#11 0x00007f1095fc8540 in DecorScreen::handleEvent(_XEvent*) () from /tmp/tmpT7Z2eR/usr/lib/compiz/libdecor.so
No symbol table info available.
#12 0x0000000000457be8 in CompScreen::handleEvent(_XEvent*) ()
No symbol table info available.
#13 0x00007f1095ba86df in RegexScreen::handleEvent(_XEvent*) () from /tmp/tmpT7Z2eR/usr/lib/compiz/libregex.so
No symbol table info available.
#14 0x0000000000457be8 in CompScreen::handleEvent(_XEvent*) ()
No symbol table info available.
#15 0x00007f1095997c0d in WorkaroundsScreen::handleEvent (this=0x1e6e520, event=0x316ac50) at /build/buildd/compiz-plugins-main-0.9.6/workarounds/src/workarounds.cpp:941
        w = <optimized out>
#16 0x0000000000457be8 in CompScreen::handleEvent(_XEvent*) ()
No symbol table info available.
#17 0x00007f1095144556 in ResizeScreen::handleEvent(_XEvent*) () from /tmp/tmpT7Z2eR/usr/lib/compiz/libresize.so
No symbol table info available.
#18 0x0000000000457be8 in CompScreen::handleEvent(_XEvent*) ()
No symbol table info available.
#19 0x00007f1094f28794 in MoveScreen::handleEvent(_XEvent*) () from /tmp/tmpT7Z2eR/usr/lib/compiz/libmove.so
No symbol table info available.
#20 0x0000000000457be8 in CompScreen::handleEvent(_XEvent*) ()
No symbol table info available.
#21 0x0000000000457be8 in CompScreen::handleEvent(_XEvent*) ()
No symbol table info available.
#22 0x00007f10946e2797 in PrivateScaleScreen::handleEvent(_XEvent*) () from /tmp/tmpT7Z2eR/usr/lib/compiz/libscale.so
No symbol table info available.
#23 0x0000000000457be8 in CompScreen::handleEvent(_XEvent*) ()
No symbol table info available.
#24 0x0000000000457be8 in CompScreen::handleEvent(_XEvent*) ()
No symbol table info available.
#25 0x0000000000457be8 in CompScreen::handleEvent(_XEvent*) ()
No symbol table info available.
#26 0x00007f10940898f0 in SessionScreen::handleEvent (this=0x1eae4f0, event=0x316ac50) at /build/buildd/compiz-plugins-main-0.9.6/session/src/session.cpp:707
        w = 0x4
        state = 2226838732
#27 0x0000000000457be8 in CompScreen::handleEvent(_XEvent*) ()
No symbol table info available.
#28 0x0000000000457be8 in CompScreen::handleEvent(_XEvent*) ()
No symbol table info available.
#29 0x00007f109324832d in unity::UnityScreen::handleEvent (this=0x1f2ad20, event=0x316ac50) at /build/buildd/unity-5.2.0/plugins/unityshell/src/unityshell.cpp:1372
        skip_other_plugins = <optimized out>
#30 0x0000000000457be8 in CompScreen::handleEvent(_XEvent*) ()
No symbol table info available.
#31 0x000000000043196a in PrivateScreen::processEvents() ()
No symbol table info available.
#32 0x000000000045eac1 in CompEventSource::callback() ()
No symbol table info available.
#33 0x00007f10a326b48f in Glib::Source::dispatch_vfunc (callback=<optimized out>, user_data=<optimized out>) at main.cc:906
        self = <optimized out>
        callback_data = <optimized out>
        __PRETTY_FUNCTION__ = "static gboolean Glib::Source::dispatch_vfunc(GSource*, GSourceFunc, void*)"
#34 0x00007f10a2d75b2a in g_main_dispatch (context=0x1ac67c0) at /build/buildd/glib2.0-2.31.14/./glib/gmain.c:2510
        dispatch = 0x7f10a326b440 <Glib::Source::dispatch_vfunc(_GSource*, int (*)(void*), void*)>
        was_in_call = 0
        user_data = 0x1c43a70
        callback = 0x7f10a326b530 <(anonymous namespace)::glibmm_dummy_source_callback(void*)>
        cb_funcs = 0x7f10a301f9a0
        cb_data = 0x1c40d80
        current_source_link = {data = 0x1c40d10, next = 0x0}
        need_destroy = <optimized out>
        source = 0x1c40d10
        current = 0x1c40100
        i = <optimized out>
#35 g_main_context_dispatch (context=0x1ac67c0) at /build/buildd/glib2.0-2.31.14/./glib/gmain.c:3047
No locals.
#36 0x00007f10a2d75ef0 in g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x1ac67c0, self=<optimized out>) at /build/buildd/glib2.0-2.31.14/./glib/gmain.c:3118
        timeout = 0
        some_ready = 1
        fds = <optimized out>
        max_priority = 0
        nfds = 13
        allocated_nfds = <optimized out>
#37 g_main_context_iterate (context=0x1ac67c0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.14/./glib/gmain.c:3055
        some_ready = 1
#38 0x00007f10a2d762ea in g_main_loop_run (loop=0x1c427a0) at /build/buildd/glib2.0-2.31.14/./glib/gmain.c:3312
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#39 0x000000000042e856 in CompScreen::eventLoop() ()
No symbol table info available.
#40 0x000000000042221a in main ()
No symbol table info available.