Re: DRAM unreliable under specific access patern

[Andy Lutomirski]

On Mon, Jan 5, 2015 at 11:23 AM, One Thousand Gnomes
<gnomes@xxxxxxxxxxxxxxxxxxx> wrote:
>> In the meantime, I created test that actually uses physical memory,
>> 8MB apart, as described in some footnote. It is attached. It should
>> work, but it needs boot with specific config options and specific
>> kernel parameters.
>
> Why not just use hugepages. You know the alignment guarantees for 1GB
> pages and that means you don't even need to be root
>
> In fact - should we be disabling 1GB huge page support by default at this
> point, at least on non ECC boxes ?

Can you actually damage anyone else's data using a 1 GB hugepage?

--Andy

>
> Alan



-- 
Andy Lutomirski
AMA Capital Management, LLC
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