Re: BUG: unable to handle kernel paging request at 000000effd870020

From: H. Peter Anvin
Date: Wed Jan 02 2013 - 13:05:11 EST

On 01/02/2013 09:21 AM, Nathan Zimmer wrote:
> I am getting an early boot problem. It only happens on the larger of the
> machines I haven't seen it crop up on machines with more then 512 GB of ram.
> It shows in the latest linus kernel too.
> I am (wildly) guessing that what is happening is that the new_memmap that is
> being passed to bios is somehow placed incorrectly.
> I have come up with a workaround. By placing it the DMA area the issue goes
> away but that doesn't seem like a real fix.

What does your memory map look like?


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