linux-kernel - Re: Common boot/shutdown issues with the latest 2.6.37 (Mostly Asus laptops)

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Message-ID: <4D468F1F.8030704@t-online.de>
Date:	Mon, 31 Jan 2011 11:29:51 +0100
From:	Richard Schütz <r.schtz@...nline.de>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	Ozan Çağlayan <ozan@...dus.org.tr>,
	Lionel Debroux <lionel_debroux@...oo.fr>,
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
	platform-driver-x86@...r.kernel.org, colin.king@...onical.com
Subject: Re: Common boot/shutdown issues with the latest 2.6.37 (Mostly Asus
 laptops)

>>>> I'll compile a kernel with CONFIG_NO_HZ to see what happens but how do I
>>>> disable cpuidle during boot? I've checked the kernel-parameters.txt but
>>>> there's no cpuidle related boot parameter there.
>>>
>>> Booting with intel_idle.max_cstate=0 should do the trick.
>>
>> intel_idle.max_cstate=0 causes a fallback to the acpi_idle driver. So it
>> does not disable the C-states directly.
>
> What about not building the acpi_idle driver, then?

Or just use the processor.max_cstate parameter then.

-- 
Regards,
Richard Schütz
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