Jerry, If you still have that crash file, install unity debug symbols (see https://wiki.ubuntu.com/DebuggingProgramCrash#Debug_Symbol_Packages) and do:
apport-unpack /var/crash/_usr_bin_compiz.1000.crash /tmp/unity-crash Then: gdb /usr/bin/compiz /tmp/unity-crash/CoreDump At this point, do: bt full And post the output here -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1366351 Title: compiz crashed with SIGSEGV in g_closure_invoke() if unity-settings- daemon goes away To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1366351/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs