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Date:	Mon, 5 Jan 2015 11:50:04 -0800
From:	Andy Lutomirski <>
To:	One Thousand Gnomes <>
Cc:	Pavel Machek <>, Mark Seaborn <>,
	kernel list <>
Subject: Re: DRAM unreliable under specific access patern

On Mon, Jan 5, 2015 at 11:23 AM, One Thousand Gnomes
<> 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?


> Alan

Andy Lutomirski
AMA Capital Management, LLC
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