Ok. Tried this afternoon, after leaving off all day and without AC
power. Booted without AC power and agin have the kernel panic issue and
consistently - even from recovery. It's got to be something related to
Ivy Bridge and the Intel HD 4000 I think. It gets to recovery, which
isn't switching to the graphics and DRM stuff. I see the screen flash as
it tries to go to graphics from text mode and then the panic occurs. I
also noticed that when it finally does boot to the login screen that it
flashes some errors. I checked the logs.

The error comes up:
[drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up

And then through to the loging screen/

Ok. One other thing I noticed, I actually had a lock up after continuing
from recovery. The boot progress was going through on screen after I
left the recovery screen, and then what appears to be a panic occurred
but the text became corrupted, instead of switching to graphics output.

I don't know if this is helping any.

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https://bugs.launchpad.net/bugs/1041883

Title:
  Recent patch to asus-wmi module makes system unbootable

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