linux-kernel - Re: [discuss] A question about GART aperture unmap

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Message-ID: <20070510110620.GE15029@one.firstfloor.org>
Date:	Thu, 10 May 2007 13:06:20 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Zhao Forrest <forrest.zhao@...il.com>
Cc:	Andi Kleen <andi@...stfloor.org>, discuss@...-64.org,
	linux-kernel@...r.kernel.org
Subject: Re: [discuss] A question about GART aperture unmap

> Sorry, I missed the last sentence. This bug is reproduced by copying a
> large file(8G) and in the meanwhile compiling a linux kernel for about
> 1 to 2 days.

Ok that is then more expected. Don't know what causes the sync flood,
but data corruption is at least expected without the clear_kernel_mapping().
Just don't comment it out if you care about your data.

-Andi
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