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From: Thomas Gleixner <tglx@linutronix.de>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	Linux PM list <linux-pm@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	John Stultz <johnstul@us.ibm.com>, Ingo Molnar <mingo@kernel.org>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Prarit Bhargava <prarit@redhat.com>,
	stable@vger.kernel.org, Andreas Schwab <schwab@linux-m68k.org>
Subject: Re: [Regression][Revert request] Excessive delay or hang during resume from system suspend due to a hrtimer commit
Date: Mon, 16 Jul 2012 13:15:47 +0200 (CEST)	[thread overview]
Message-ID: <alpine.LFD.2.02.1207161315050.32033@ionos> (raw)
In-Reply-To: <201207161316.28875.rjw@sisk.pl>

On Mon, 16 Jul 2012, Rafael J. Wysocki wrote:

> On Monday, July 16, 2012, Thomas Gleixner wrote:
> > On Sun, 15 Jul 2012, Rafael J. Wysocki wrote:
> > > To everyone involved: the fact that this change, which was likely to introduce
> > > regressions from the look of it alone, has been pushed to Linus (an to -stable
> > > at the same time!) so late in the cycle, is seriuosly disappointing.
> > 
> > Well, we spent an massive amount of time in testing, reviewing and
> > discussion and it definitely did not break suspend/resume here.
> 
> I'm not saying that you didn't consider it thoroughly, but unfortunately you
> did overlook this particular issue, didn't you?
> 
> > This was not pushed without a lot of thoughts and in fact what you are
> > seing is another long standing bug in the timekeeping resume code,
> > which was just papered over by the incorrect handling of the clock was
> > set cases in the other parts of the system.
> > 
> > Does the following patch fix the problem for you ?
> 
> Yes, it does, thanks!
> 
> > @John: Should that clear ntp as well or is it enough to set ntp_error
> >        to 0 ?
> > 
> > /me really goes on vacation now.
> 
> So who's going to take care of the patch? :-)

I'm still packing gear. So i'll push it into timers/urgent.


  reply	other threads:[~2012-07-16 11:15 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-15 20:40 [Regression][Revert request] Excessive delay or hang during resume from system suspend due to a hrtimer commit Rafael J. Wysocki
2012-07-16  9:47 ` Thomas Gleixner
2012-07-16 11:16   ` Rafael J. Wysocki
2012-07-16 11:15     ` Thomas Gleixner [this message]
2012-07-16 11:26       ` Thomas Gleixner
2012-07-16 15:47         ` John Stultz
2012-07-16 12:48     ` Andreas Schwab

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