linux-kernel - Re: [Regression] 2.6.24-git3: Major annoyance during suspend/hibernation on x86-64 (bisected)

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Date:	Sat, 2 Feb 2008 00:24:15 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Steven Rostedt <srostedt@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Dmitry Adamushko <dmitry.adamushko@...il.com>
Subject: Re: [Regression] 2.6.24-git3: Major annoyance during
	suspend/hibernation on x86-64 (bisected)


* Rafael J. Wysocki <rjw@...k.pl> wrote:

> On Friday, 1 of February 2008, Rafael J. Wysocki wrote:
> > On Friday, 1 of February 2008, Ingo Molnar wrote:
> > > 
> > > * Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:
> > > 
> > > > The below fixes it for me..
> > > > 
> > > > ---
> > > >  - restore the old wakeup mechanism
> > > >  - fix break usage in do_each_thread() { } while_eac_thread().
> > > >  - fix the hotplug switch stmt, a fall-through case was broken.
> > > 
> > > thanks Peter, i've picked your fix up. I hope this solves the problem 
> > > for Rafael too.
> > 
> > No, it doesn't, unfortunately.  Actually, it breaks things even more, as
> > suspend now hangs (probably deadlocks) while disabling the nonboot CPU.
> 
> For some obscure reason, I'm no longer able to reproduce the problem 
> with the Peter's patch and I think it's correct.  You can add
> 
> Tested-by: Rafael J. Wysocki <rjw@...k.pl>
> 
> to it.

Great! I sent the fix to Linus with your Tested-by line. Thanks Rafael 
for all the testing!

	Ingo
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