Mine

[xitij@xitij-laptop:~]$ compiz --replace -c emerald &             (07-30 04:30)
[1] 6758
[xitij@xitij-laptop:~]$ /usr/bin/compiz.real (cube) - Warn: Failed to load slide: /usr/share/compiz/default-cubecap.png
inotify_add_watch: No such file or directory

(process:6982): GLib-WARNING **: g_main_context_prepare(): main loop already active in another thread