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Re: [Xen-devel] Timer going backwards and Unable to handle kernel NULLpointer

To: "Ian Pratt" <Ian.Pratt@xxxxxxxxxxxx>, "Keir Fraser" <keir@xxxxxxxxxxxxx>
From: "Jan Beulich" <jbeulich@xxxxxxxxxx>
Date: Wed, 30 May 2007 18:02:45 +0200
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, Robert Hulme <rob@xxxxxxxxxxxx>
Delivery-date: Wed, 30 May 2007 09:00:12 -0700
List-id: Xen developer discussion <xen-devel.lists.xensource.com>

>>> Keir Fraser <keir@xxxxxxxxxxxxx> 30.05.07 17:39 >>>
>On 30/5/07 16:20, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote:
>
>> The box I'm looking at takes 600ms to enable ACPI mode
>
>!!! What does this entail? Is it some blob of AML? :-)

No, this is simply the port write (in acpi_hw_set_mode(), case 
ACPI_SYS_MODE_ACPI),
obviously followed by lengthy SMM execution.

Jan


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