DragonFly users List (threaded) for 2006-11
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DragonFly users List (threaded) for 2006-11
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Re: ACPI: getting front-panel power button to cause shutdown


From: David Murray <dave@xxxxxxxxxxxxxxxxxx>
Date: Tue, 28 Nov 2006 21:07:07 +0000

Hi Tomokazu,

On 28/11/06 8:59 am, YONETANI Tomokazu wrote:

On Sat, Nov 25, 2006 at 08:04:26PM +0000, David Murray wrote:
I'm trying to get the front-panel power button to shut the system down (cleanly).

Pressing the power button delivers an interrupt to the acpi driver... so the first step is to see if an interrupt is delivered to the acpi driver.
$ vmstat -i |grep acpi
(press power button)
$ vmstat -i |grep acpi

Thanks for the suggestion. The interrupt count stays firmly at zero, so it looks like I see the same as you do for machines with this problem.


I'm not sure what has to be right to cause the interrupt to be generated - presumably there's some sort of interaction between the driver and the ASL. I'll try fiddling with the BIOS settings, but I don't think there's much I can change. I seem to remember that setting PnP OS to "yes" made things much worse!


-- Dave Murray




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