I'm seeing the same behavior with a i5-2410M (also on a Thinkpad X220). With i915.i915_enable_rc6=1, power usage is ~12W, but textures seem to get corrupted over time.
Without rc6, power usage on idle is ~20W, but graphics are fine. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/818830 Title: [Sandy Bridge] serious power regression from kernel 3.0.0-6 to 3.0.0-7 (rc6 disabled) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/818830/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
