SAme problem here . Mine is a new install. Partitions were wiped first. Around 60% require power switch or alt + sys req = R_E_I_S_U_B. Can barely get anything done. No issues with 14.10.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1454868 Title: Ubuntu 15.04 Freezes Totally To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1454868/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs