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Date: Sat, 5 May 2007 00:34:21 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
John Stultz <johnstul@...ibm.com>
Subject: Re: [patch 3/3] clockevents: Fix resume logic
On Mon, 30 Apr 2007 10:43:34 -0000 Thomas Gleixner <tglx@...utronix.de> wrote:
> We need to make sure, that the clockevent devices are resumed, before
> the tick is resumed. The current resume logic does not guarantee this.
>
> Add CLOCK_EVT_MODE_RESUME and call the set mode functions of the clock
> event devices before resuming the tick / oneshot functionality.
>
> Fixup the existing users.
This one makes the Vaio-of-fun hang during suspend to disk. It gets up to
"swsusp: critical section/: done (%d pages copied)" then it freezes.
I retested only 2.6.21 plus
origin
clocksource-fix-resume-logic
clockevents-fix-resume-logic
and that hung in the same fashion.
Config at http://userweb.kernel.org/~akpm/config-sony.txt
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