I have a x220 as well and have run into this. I've tried restarting compiz via unity --replace but it does not fix it. Nothing stuck out to me with --debug while trying to restart it, but unfortunately I didn't keep a copy that I can attach.
I have a x220 as well and have run into this. I've tried restarting compiz via unity --replace but it does not fix it. Nothing stuck out to me with --debug while trying to restart it, but unfortunately I didn't keep a copy that I can attach.