Problem description: Screen freeze, keyboard and mouse does not respond. Sound card keep replaying the last sound. The problem happened with me a lot when I used google chrome or chromium to watch videos.
My PC Configuration Ubuntu 12.04 64 bit kernel 3.2.0-37-generic Processor : Intel Core i7-3520M on MB Graphics: Intel® HD graphics 4000 and NVIDIA® NVS 5200M 1GB VRAM with Optimus™ Technology Ram : 8GB Nvidia graphic card Compiz installed. Gnome classic desktop -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/993187 Title: ubuntu 12.04 completely freezes frequently. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/993187/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs