linux-kernel - Re: CPU_IDLE prevents resuming from STR [was: Re: 2.6.21-rc6-mm1]

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Message-ID: <Pine.LNX.4.63.0704181854150.3859@dashnine.joshuawise.com>
Date:	Wed, 18 Apr 2007 19:00:12 -0400 (EDT)
From:	Joshua Wise <joshua@...huawise.com>
To:	Shaohua Li <shaohua.li@...el.com>
cc:	Mattia Dongili <malattia@...ux.it>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Venkatesh Pallipadi <venkatesh.pallipadi@...el.com>
Subject: Re: CPU_IDLE prevents resuming from STR [was: Re: 2.6.21-rc6-mm1]

On Tue, 17 Apr 2007, Shaohua Li wrote:
> Looks there is init order issue of sysfs files. The new refreshed patch
> should fix your bug.

Yes, that did fix the hang on resume from STR -- that now works fine.

However:
joshua@...irth:/sys/devices/system/cpu/cpuidle$ cat available_drivers current_driver

<NULL>
joshua@...irth:/sys/devices/system/cpu/cpuidle$ cat available_governors current_governor
ladder
ladder

Is this correct? For reference, my config is http://joshuawise.com/config.gz
-- I didn't see any options for cpuidle drivers to access ACPI states...

joshua
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