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From: Ferenc Wagner <wferi@niif.hu>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: linux-pm@lists.linux-foundation.org, linux-kernel@vger.kernel.org
Subject: Re: e978aa7d (cpuidle: Move dev->last_residency update...) broke suspend
Date: Sat, 12 Nov 2011 13:42:21 +0100	[thread overview]
Message-ID: <87obwhcy1e.fsf@tac.ki.iif.hu> (raw)
In-Reply-To: <201111120218.17758.rjw@sisk.pl> (Rafael J. Wysocki's message of "Sat, 12 Nov 2011 02:18:17 +0100")

"Rafael J. Wysocki" <rjw@sisk.pl> writes:

> On Saturday, November 12, 2011, Ferenc Wagner wrote:
>> Hi,
>> 
>> Since e978aa7d (cpuidle: Move dev->last_residency update to driver
>> enter routine; remove dev->last_state) my ThinkPad R50e can't suspend
>> anymore, it just freezes instead.  I controlled git bisect by booting
>> with break=top and issuing 'echo mem >/sys/power/state'.  My config is
>> attached.
>
> What's the output of "cat /sys/devices/system/cpu/cpuidle/current_driver" ?

acpi_idle.

Your patch (ACPI / cpuidle: Remove acpi_idle_suspend) fixes the problem
for me.  Amazing turnaround, really!
-- 
Thanks,
Feri.

  reply	other threads:[~2011-11-12 12:42 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-12  0:20 e978aa7d (cpuidle: Move dev->last_residency update...) broke suspend Ferenc Wagner
2011-11-12  1:18 ` Rafael J. Wysocki
2011-11-12 12:42   ` Ferenc Wagner [this message]
2011-11-12 22:13     ` Rafael J. Wysocki

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