Re: [patch 51/57] ACPI: Ingore the RESET_REG_SUP bit when usingACPI reset mechanism

From: Greg KH
Date: Tue Nov 04 2008 - 20:57:15 EST


On Wed, Nov 05, 2008 at 08:48:12AM +0800, Zhao Yakui wrote:
> On Wed, 2008-11-05 at 07:33 +0800, Greg KH wrote:
> > 2.6.27-stable review patch. If anyone has any objections, please let us know.
> Please don't apply this patch.And this causes the reboot regression on
> AMD chipset. (Bug11942)
> Now the default reboot type is changed from BOOT_KBD to BOOT_ACPI.
>
> On the AMD box there exists the definition of RESET_REG &RESET_VALUE,
> which is identical to the definition in Intel Chipset. After the
> RESET_REG_SUP is ignored, the AMD box can't be rebooted by writing the
> RESET_VALUE to RESET_REG I/O port.

Was there a follow-on patch that fixes the regression that has gone into
Linus's tree? If so, wouldn't it be better to apply that as well?

Len, what do you advise here?

thanks,

greg k-h
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