Comment 2 for bug 1410582

   Yes. Here is the output when I ran apport-retrace. Sorry that I can't attach the crash file as it includes some user information. I was a bit careful about not to accidentally include any user info.
==========================================================================
apport-retrace -s -R _usr_bin_compiz.19532.crash
==========================================================================
gpgv: Can't check signature: public key not found
dpkg-source: warning: failed to verify signature on ./compiz_1:0.9.11.3+14.04.20141104-0ubuntu1.dsc
dpkg-source: info: extracting compiz in compiz-0.9.11.3+14.04.20141104
dpkg-source: info: unpacking compiz_0.9.11.3+14.04.20141104.orig.tar.gz
dpkg-source: info: applying compiz_0.9.11.3+14.04.20141104-0ubuntu1.diff.gz
--- stack trace ---
#0 0x00007ff17ed06608 in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#1 0x00007ff17ed06cf3 in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#2 0x00007ff17ed04e2d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#3 0x00007ff17f3fdd02 in g_settings_backend_read (backend=<optimized out>, key=key@entry=0xab011c0 "/org/gnome/desktop/lockdown/disable-lock-screen", expected_type=0x7ff1877135a0 <g_variant_type_info_basic_chars>, default_value=default_value@entry=0) at /build/buildd/glib2.0-2.40.2/./gio/gsettingsbackend.c:701
        value = <optimized out>
#4 0x00007ff17f401c7b in g_settings_read_from_backend (settings=settings@entry=0x7ff13800a570, key=key@entry=0x7fffdde9c920, user_value_only=user_value_only@entry=0, default_value=default_value@entry=0) at /build/buildd/glib2.0-2.40.2/./gio/gsettings.c:1052
        value = <optimized out>
        fixup = <optimized out>
        path = 0xab011c0 "/org/gnome/desktop/lockdown/disable-lock-screen"
#5 0x00007ff17f402e7a in g_settings_get_value (settings=0x7ff13800a570, key=0x2087618 "disable-lock-screen") at /build/buildd/glib2.0-2.40.2/./gio/gsettings.c:1092
        skey = {schema = 0x7ff13c017a80, name = 0x4b2fa7c "disable-lock-screen", is_flags = 0, is_enum = 0, strinfo = 0x0, strinfo_length = 0, unparsed = 0x0, lc_char = 0 '\000', type = 0x7ff1877135a0 <g_variant_type_info_basic_chars>, minimum = 0x0, maximum = 0x0, default_value = 0xb9c5b30, ref_count = 0}
        value = <optimized out>
        __FUNCTION__ = "g_settings_get_value"
#6 0x00007ff17f403cfb in g_settings_get_boolean (settings=<optimized out>, key=<optimized out>) at /build/buildd/glib2.0-2.40.2/./gio/gsettings.c:1904
        value = <optimized out>
        result = <optimized out>
#7 0x00007ff167992ed9 in unity::session::GnomeManager::CanLock() const () from /usr/lib/libunity-core-6.0.so.9
No symbol table info available.
#8 0x00007ff16799429d in unity::session::GnomeManager::Impl::LockScreen(bool) () from /usr/lib/libunity-core-6.0.so.9
No symbol table info available.
#9 0x00007ff169591fb7 in ?? () from /usr/lib/compiz/libunityshell.so
No symbol table info available.
#10 0x00007ff16798e14a in unity::glib::Source::SourceCallback(void*) () from /usr/lib/libunity-core-6.0.so.9
No symbol table info available.
#11 0x00007ff187677703 in g_timeout_dispatch (source=0xbaac9a0, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/glib2.0-2.40.2/./glib/gmain.c:4472
        timeout_source = 0xbaac9a0
        again = <optimized out>
#12 0x00007ff187676ce5 in g_main_dispatch (context=0x1ac5170) at /build/buildd/glib2.0-2.40.2/./glib/gmain.c:3064
        dispatch = 0x7ff1876776f0 <g_timeout_dispatch>
        prev_source = 0x0
        was_in_call = 0
        user_data = 0x116d0aa0
        callback = 0x7ff16798e130 <unity::glib::Source::SourceCallback(void*)>
        cb_funcs = 0x7ff187934920 <g_source_callback_funcs>
        cb_data = 0x116699e0
        need_destroy = <optimized out>
        source = 0xbaac9a0
        current = 0x1abb600
        i = 0
#13 g_main_context_dispatch (context=context@entry=0x1ac5170) at /build/buildd/glib2.0-2.40.2/./glib/gmain.c:3663
No locals.
#14 0x00007ff187677048 in g_main_context_iterate (context=0x1ac5170, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.40.2/./glib/gmain.c:3734
        max_priority = 2147483647
        timeout = 18
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 7
        fds = 0x4b4e5b0
#15 0x00007ff18767730a in g_main_loop_run (loop=0x1ac4d70) at /build/buildd/glib2.0-2.40.2/./glib/gmain.c:3928
        __FUNCTION__ = "g_main_loop_run"
#16 0x00007ff18965315b in compiz::private_screen::EventManager::startEventLoop(_XDisplay*) () from /usr/lib/libcompiz_core.so.ABI-20140123
No symbol table info available.
#17 0x0000000000401981 in main ()
No symbol table info available.
--- source code stack trace ---
#0 0x00007ff17ed06608 in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#1 0x00007ff17ed06cf3 in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#2 0x00007ff17ed04e2d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#3 0x00007ff17f3fdd02 in g_settings_backend_read (backend=<optimized out>, key=key@entry=0xab011c0 "/org/gnome/desktop/lockdown/disable-lock-screen", expected_type=0x7ff1877135a0 <g_variant_type_info_basic_chars>, default_value=default_value@entry=0) at /build/buildd/glib2.0-2.40.2/./gio/gsettingsbackend.c:701
  [Error: /build/buildd/glib2.0-2.40.2/./gio/gsettingsbackend.c was not found in source tree]
#4 0x00007ff17f401c7b in g_settings_read_from_backend (settings=settings@entry=0x7ff13800a570, key=key@entry=0x7fffdde9c920, user_value_only=user_value_only@entry=0, default_value=default_value@entry=0) at /build/buildd/glib2.0-2.40.2/./gio/gsettings.c:1052
  [Error: /build/buildd/glib2.0-2.40.2/./gio/gsettings.c was not found in source tree]
#5 0x00007ff17f402e7a in g_settings_get_value (settings=0x7ff13800a570, key=0x2087618 "disable-lock-screen") at /build/buildd/glib2.0-2.40.2/./gio/gsettings.c:1092
  [Error: /build/buildd/glib2.0-2.40.2/./gio/gsettings.c was not found in source tree]
#6 0x00007ff17f403cfb in g_settings_get_boolean (settings=<optimized out>, key=<optimized out>) at /build/buildd/glib2.0-2.40.2/./gio/gsettings.c:1904
  [Error: /build/buildd/glib2.0-2.40.2/./gio/gsettings.c was not found in source tree]
#7 0x00007ff167992ed9 in unity::session::GnomeManager::CanLock() const () from /usr/lib/libunity-core-6.0.so.9
#8 0x00007ff16799429d in unity::session::GnomeManager::Impl::LockScreen(bool) () from /usr/lib/libunity-core-6.0.so.9
#9 0x00007ff169591fb7 in ?? () from /usr/lib/compiz/libunityshell.so
#10 0x00007ff16798e14a in unity::glib::Source::SourceCallback(void*) () from /usr/lib/libunity-core-6.0.so.9
#11 0x00007ff187677703 in g_timeout_dispatch (source=0xbaac9a0, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/glib2.0-2.40.2/./glib/gmain.c:4472
  [Error: /build/buildd/glib2.0-2.40.2/./glib/gmain.c was not found in source tree]
#12 0x00007ff187676ce5 in g_main_dispatch (context=0x1ac5170) at /build/buildd/glib2.0-2.40.2/./glib/gmain.c:3064
  [Error: /build/buildd/glib2.0-2.40.2/./glib/gmain.c was not found in source tree]
#13 g_main_context_dispatch (context=context@entry=0x1ac5170) at /build/buildd/glib2.0-2.40.2/./glib/gmain.c:3663
  [Error: /build/buildd/glib2.0-2.40.2/./glib/gmain.c was not found in source tree]
#14 0x00007ff187677048 in g_main_context_iterate (context=0x1ac5170, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.40.2/./glib/gmain.c:3734
  [Error: /build/buildd/glib2.0-2.40.2/./glib/gmain.c was not found in source tree]
#15 0x00007ff18767730a in g_main_loop_run (loop=0x1ac4d70) at /build/buildd/glib2.0-2.40.2/./glib/gmain.c:3928
  [Error: /build/buildd/glib2.0-2.40.2/./glib/gmain.c was not found in source tree]
#16 0x00007ff18965315b in compiz::private_screen::EventManager::startEventLoop(_XDisplay*) () from /usr/lib/libcompiz_core.so.ABI-20140123
#17 0x0000000000401981 in main ()
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