linux-kernel - RE: [PATCH] x86: Disable HPET MSI on ATI SB700/SB800

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Message-ID: <SNT125-W12BC46C506A5BB777A06B5C3610@phx.gbl>
Date:	Fri, 22 Jan 2010 23:21:06 -0800
From:	Yuhong Bao <yuhongbao_386@...mail.com>
To:	<venkatesh.pallipadi@...el.com>, <markh@...pro.net>
CC:	<dmarkh@....rr.com>, <andi@...stfloor.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	<alain@...ff.lu>, <linux-kernel@...r.kernel.org>,
	<andreas.herrmann3@....com>
Subject: RE: [PATCH] x86: Disable HPET MSI on ATI SB700/SB800


> HPET MSI on platforms with ATI SB700/SB800 as they seem to have some
> side-effects on floppy DMA. Do not use HPET MSI on such platforms.
I think somebody from AMD should review the situation.Clearly something is happening inside their southbridge.CCing Andreas Herrmann from AMD.
Yuhong Bao 		 	   		  
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