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From: Nate Lawson <nate@root.org>
To: Chia-liang Kao <clkao@clkao.org>
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Date: Thu, 1 Apr 2004 16:19:21 -0800
X-Sequence: acpi-jp 3183
Subject: [acpi-jp 3183] Re: acpi FADT and throttle problems
Sender: owner-acpi-jp@jp.FreeBSD.org
X-Originator: nate@root.org
X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+040307

On Thu, 1 Apr 2004, Chia-liang Kao wrote:
> Here's the diff for vmstate -i output before and after resuming.
>
>  interrupt                          total       rate
> -irq0: clk                       12028691         99
> -irq1: atkbd0                      226476          1
> +irq0: clk                       12056036         99
> +irq1: atkbd0                      226800          1
>  irq4: sio0                             1          0
> -irq8: rtc                       15397466        128
> +irq8: rtc                       15432386        128
>  irq9: acpi0                          505          0
> -irq11: cbb0 cbb1+                 313220          2
> -irq12: psm0                     15460861        128
> +irq11: cbb0 cbb1+                 313221          2
> +irq12: psm0                     15462261        128
>  irq13: npx0                            1          0
> -irq14: ata0                       201354          1
> -Total                           43628575        362
> +irq14: ata0                       201472          1
> +Total                           43692683        362

No interrupt storm there.  Your CPU is slow for some other reason.  I
still suspect 1. Lack of PCI BAR restoration, 2. SMM handler switched
clock rates (my IBM does this), 3. SMM handler switched throttling.

You may not be able to switch things back because of 1.  Hopefully we can
get the power stuff Warner was working on merged soon and eliminate 1.

-Nate
