An update: After re-deploying with Ubuntu 14.04.3, the error logged in the iLO and shown in the screen shot disappears; the hardware now registers as OK. Thus, I think this error is simply another symptom of the kernel panic.
An update: After re-deploying with Ubuntu 14.04.3, the error logged in the iLO and shown in the screen shot disappears; the hardware now registers as OK. Thus, I think this error is simply another symptom of the kernel panic.