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Date: Mon, 25 Jan 2010 18:10:59 +0100 From: Andreas Herrmann <andreas.herrmann3@....com> To: Yuhong Bao <yuhongbao_386@...mail.com> CC: venkatesh.pallipadi@...el.com, markh@...pro.net, dmarkh@....rr.com, andi@...stfloor.org, Linus Torvalds <torvalds@...ux-foundation.org>, alain@...ff.lu, linux-kernel@...r.kernel.org Subject: Re: [PATCH] x86: Disable HPET MSI on ATI SB700/SB800 On Fri, Jan 22, 2010 at 11:21:06PM -0800, Yuhong Bao wrote: > > > 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. Argh, will see what information I can find about this problem ... > I think somebody from AMD should review the situation.Clearly something is happening inside their southbridge.CCing Andreas Herrmann from AMD. I have the feeling that this problem should rather be fixed with a DMI quirk instead of disabling HPET MSI for the entire chipset. Was the latest available BIOS installed on the affected system? Thanks, Andreas -- Operating | Advanced Micro Devices GmbH System | Karl-Hammerschmidt-Str. 34, 85609 Dornach b. München, Germany Research | Geschäftsführer: Andrew Bowd, Thomas M. McCoy, Giuliano Meroni Center | Sitz: Dornach, Gemeinde Aschheim, Landkreis München (OSRC) | Registergericht München, HRB Nr. 43632 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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