This happened to me a lot after the upgrade to 12.04, but then it got better after I installed the latest software updates. I can't say it is solved, I saw it a couple of times on the past weeks, but it certainly is better than before...
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/772925 Title: Screen freezes after laptop lid closed for more than 1 minute To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/772925/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs