linux-kernel - Re: bisected crash due to "x86: Move swiotlb initialization before dma32_free

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Message-ID: <20091215105650.GA13214@elte.hu>
Date:	Tue, 15 Dec 2009 11:56:50 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Cc:	yinghai@...nel.org, rdreier@...co.com, linux-kernel@...r.kernel.org
Subject: Re: bisected crash due to "x86: Move swiotlb initialization before
 dma32_free_bootmem"


* FUJITA Tomonori <fujita.tomonori@....ntt.co.jp> wrote:

> There are a few people who hit this. How many people use a box with over 
> 256GB memory?
> 
> And you can work around this with "dma32_size" kernel boot option.

Well, since the kernel has not crashed before this change there's really just 
two options as per upstream kernel regression policy: either we fix it or we 
revert it.

	Ingo
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