This problem does also affect me. After upgrading Ubuntu 12.04 -> 14.04 I also experience freeze after waking up my laptop from suspend. The only way to login is to reboot the machine. Restarting lightdm doesn't help.
I use the nouveau-driver. Hardware-specs: http://support.lenovo.com/en_DK/landing.page?qpq=6458-AT7 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1301125 Title: Lock screen after idle time freezes unity To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1301125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
