John:
There is not enough information in your comment to identify what the problem might be (plus it doesn't sound like your particular issue is a lock up). Please can you file a new bug report (attaching your xorg.conf file and Xorg.0.log) and post a link back here?
John:
There is not enough information in your comment to identify what the problem might be (plus it doesn't sound like your particular issue is a lock up). Please can you file a new bug report (attaching your xorg.conf file and Xorg.0.log) and post a link back here?