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Message-ID: <20080201232415.GB30387@elte.hu>
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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