Comment 2 for bug 1067585

Updated stracktrace with *-dbgsym installed:

$ unity --advanced-debug
WARNING: no DISPLAY variable set, setting it to :0
unity-panel-service: no process found
GNU gdb (GDB) 7.5-ubuntu
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/bin/compiz...Reading symbols from /usr/lib/debug/.build-id/bb/635fbf605ce6d5fad1ad7caa65667d01725b1f.debug...done.
done.
(gdb) run
Starting program: /usr/bin/compiz --replace
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
/usr/bin/compiz (core) - Info: Loading plugin: core
/usr/bin/compiz (core) - Info: Starting plugin: core
[New Thread 0x7ffff3b4c700 (LWP 17925)]
/usr/bin/compiz (core) - Info: Loading plugin: ccp
/usr/bin/compiz (core) - Info: Starting plugin: ccp
[New Thread 0x7ffff0a48700 (LWP 17926)]
compizconfig - Info: Backend : gsettings
compizconfig - Info: Integration : true
compizconfig - Info: Profile : unity
[New Thread 0x7fffebfff700 (LWP 17928)]

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff1c27b08 in ccsGSettingsWrapperFactoryNewGSettingsWrapperWithPath () from /usr/lib/libcompizconfig_gsettings_backend.so
(gdb) bt
#0 0x00007ffff1c27b08 in ccsGSettingsWrapperFactoryNewGSettingsWrapperWithPath () from /usr/lib/libcompizconfig_gsettings_backend.so
#1 0x00007ffff1c2500f in ?? () from /usr/lib/libcompizconfig_gsettings_backend.so
#2 0x00007ffff1c273f5 in getSettingsObjectForCCSSetting () from /usr/lib/libcompizconfig_gsettings_backend.so
#3 0x00007ffff1e43ae3 in getVariantForCCSSetting () from /usr/lib/compizconfig/backends/libgsettings.so
#4 0x00007ffff1e43b9b in readOption () from /usr/lib/compizconfig/backends/libgsettings.so
#5 0x00007ffff1e43f83 in readSetting () from /usr/lib/compizconfig/backends/libgsettings.so
#6 0x00007ffff2b0123b in ccsReadPluginSettingsDefault () from /usr/lib/libcompizconfig.so.0
#7 0x00007ffff2af384e in ccsLoadPluginSettings () from /usr/lib/libcompizconfig.so.0
#8 0x00007ffff2b00042 in ccsContextNew () from /usr/lib/libcompizconfig.so.0
#9 0x00007ffff2d2ecaf in CcpScreen::CcpScreen(CompScreen*) () from /usr/lib/compiz/libccp.so
#10 0x00007ffff2d30f59 in CompPlugin::VTableForScreen<CcpScreen>::initScreen(CompScreen*) () from /usr/lib/compiz/libccp.so
#11 0x00007ffff7b85fc6 in CompManager::initPlugin (p=p@entry=0x643520) at /build/buildd/compiz-0.9.9.0bzr3430pkg3318quantal0/src/plugin.cpp:233
#12 0x00007ffff7b86891 in CompPlugin::push (p=0x643520) at /build/buildd/compiz-0.9.9.0bzr3430pkg3318quantal0/src/plugin.cpp:449
#13 0x00007ffff7b594e8 in compiz::private_screen::PluginManager::updatePlugins (this=this@entry=0x60d6b0, screen=0x608e50, extraPluginsRequested=...)
    at /build/buildd/compiz-0.9.9.0bzr3430pkg3318quantal0/src/screen.cpp:1120
#14 0x00007ffff7b59893 in PrivateScreen::initPlugins (this=this@entry=0x60d1a0) at /build/buildd/compiz-0.9.9.0bzr3430pkg3318quantal0/src/screen.cpp:4780
#15 0x00007ffff7b5a151 in CompScreenImpl::init (this=0x608e50, name=<optimized out>) at /build/buildd/compiz-0.9.9.0bzr3430pkg3318quantal0/src/screen.cpp:4823
#16 0x0000000000402fdc in CompManager::init (this=this@entry=0x7fffffffe510) at /build/buildd/compiz-0.9.9.0bzr3430pkg3318quantal0/src/main.cpp:170
#17 0x00000000004024af in main (argc=2, argv=<optimized out>) at /build/buildd/compiz-0.9.9.0bzr3430pkg3318quantal0/src/main.cpp:259
(gdb)