With linux kernel (3.4.0-4-generic) from *Q-series LTS Backport PPA* my system (Intel i5 3570K, Gigabyte Z77M-D3H) runs completely stable.
Howto: sudo apt-add-repository ppa:ubuntu-x-swat/q-lts-backport sudo apt-get install linux-image-generic-lts-quantal linux-headers-generic-lts-quantal -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in 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 _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp