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Date: Thu, 28 Jan 2010 04:17:32 -0500 From: Mark Hounschell <dmarkh@....rr.com> To: Andreas Herrmann <andreas.herrmann3@....com> CC: Yuhong Bao <yuhongbao_386@...mail.com>, venkatesh.pallipadi@...el.com, markh@...pro.net, 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 01/25/2010 12:10 PM, Andreas Herrmann wrote: > 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? > You mean "systems" of different manufactures? I will check today. Due to mis configured filters I didn't see this until today. Sorry. Mark -- 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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