The kernel options given by @smu-blackbox made this problem go away for me. I then tried to figure out which of the kernel options I had before may have caused the problem, but I couldn't make the problem come back. My originaloption line was
quiet splash drm.vblankoffdelay=1 i915.semaphores=1 i915.powersave=1 Running 12.10 kernel 3.5.0-22-generic #33-Ubuntu SMP Wed Jan 2 21:47:30 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/989191 Title: Asus Zenbook UX31E powers off on plugin in/out AC adapter To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/989191/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
