linux-kernel - Re: [ibm-acpi-devel] Regression in thinkpad-acpi events

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Message-ID: <4ED630ED.3070301@gmail.com>
Date:	Wed, 30 Nov 2011 14:34:37 +0100
From:	Natanji <natanji@...il.com>
To:	Henrique de Moraes Holschuh <hmh@....eng.br>
CC:	Henning Schild <henning@....tu-dresden.de>,
	Tom Gundersen <teg@...m.no>,
	ibm-acpi-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
	linux-acpi@...r.kernel.org, maciej.rutecki@...il.com,
	lenb@...nel.org
Subject: Re: [ibm-acpi-devel] Regression in thinkpad-acpi events

Yes, there are dozens of acpi interrupts every second.

$ cat /proc/interrupts | grep acpi ; sleep 1; cat /proc/interrupts | 
grep acpi
  9:    1776309          0   IO-APIC-fasteoi   acpi
  9:    1776332          0   IO-APIC-fasteoi   acpi

On Wed 30 Nov 2011 12:15:07 PM CET, Henrique de Moraes Holschuh wrote:
> On Wed, 30 Nov 2011, Natanji wrote:
>> The standard Arch kernel does not use tuxonice, you need to build your
>> kernel manually if you want it. I also don't receive these events before
>> the first hibernation, so you might be having a different problem.
>
> Just a hunch: check /proc/interrupts.  One of them must be assigned to acpi,
> and it *must* increase when you press hotkeys, etc.
>
> Does it?
>
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