linux-kernel - Re: Resume does not work after timekeeping change

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Date:	Mon, 22 Apr 2013 09:40:45 -0700
From:	John Stultz <john.stultz@...aro.org>
To:	Jiri Slaby <jslaby@...e.cz>
CC:	Thomas Gleixner <tglx@...utronix.de>,
	Linux-pm mailing list <linux-pm@...ts.linux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Resume does not work after timekeeping change

On 04/22/2013 09:05 AM, John Stultz wrote:
> On 04/20/2013 08:46 AM, Jiri Slaby wrote:
>> Hi,
>>
>> my machine does not wake from suspend to RAM on my box running the -next
>> kernel. The last thing I see is "Disabling non-boot CPUs ...". I
>> bisected it to this commit:
>>
>> commit 7ec98e15aa049b7a2ca73485f31cf4f90c34e2dd
>> Author: Thomas Gleixner <tglx@...utronix.de>
>> Date:   Thu Feb 21 22:51:39 2013 +0000
>>
>>      timekeeping: Delay update of clock->cycle_last
>>
>>
>> Reverting that one on the top of -next-20130419 makes it work again.
>>
>>
>> I also tried it inside a VM using suspend to disk. There, it behaves
>> like it takes a minute or so to wake up. So I tried to wait on the real
>> HW too, but it never resumes there.
>
> Thanks for chasing this down! Sorry for the trouble, does the 
> following fix resolve this?
>
Nevermind, I see Thomas already provided the same fix yesterday.

thanks
-john
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