lkml.org 
[lkml]   [2010]   [Jan]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [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@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2010-01-25 18:13    [from the cache]
©2003-2011 Jasper Spaans