I'm attaching my dmesg output. There's some i915 messages that seem relevant.
** Attachment added: "Dmesg output" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1386721/+attachment/4303915/+files/dmesg.out -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1386721 Title: Graphics Slow After Upgrade 14.04 - 14.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1386721/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
