linux-kernel - Re: [2.6.22-rc1-mm1] vaio laptop (SZ72B) immediately resumes after STR

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Message-Id: <20070519000413.75badb6f.akpm@linux-foundation.org>
Date:	Sat, 19 May 2007 00:04:13 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Mattia Dongili <malattia@...ux.it>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	linux-pm@...ts.linux-foundation.org,
	Michal Piotrowski <michal.k.k.piotrowski@...il.com>
Subject: Re: [2.6.22-rc1-mm1] vaio laptop (SZ72B) immediately resumes after
 STR

On Sat, 19 May 2007 15:48:29 +0900 Mattia Dongili <malattia@...ux.it> wrote:

> On Fri, May 18, 2007 at 12:22:40AM -0700, Andrew Morton wrote:
> > On Fri, 18 May 2007 16:15:24 +0900 Mattia Dongili <malattia@...ux.it> wrote:
> > 
> > > Hello,
> > > 
> > > After finally catching fw-{ohci,core} to be problematic during resume,
> > > I'm now experiencing an immediate resume after suspending.
> > > 
> > > 2.6.21-rc7-mm* didn't even suspend, my last known suspend-and-resuming
> > > kernel was 2.6.21-rc5-mm3 (I know one other vaio SZ user could STR with
> > > 2.6.21-rc6-mm* after the cpuidle fixes).
> > > 
> > > my .config is: http://oioio.altervista.org/linux/config-2.6.22-rc1-mm1-1
> > > and a str cycle with PM_DEBUG=y:
> > > http://oioio.altervista.org/linux/dmesg-SRT-immediately-resumes.txt
> ...
> > > Any idea where to start from? (bisecting is ok, but it'll take some
> > > time...)
> > 
> > Bisecting isn't that bad ;) I'd pick git-acpi.patch as the starting point.
> 
> ok, git-acpi.patch is not the bad boy :)
> Anyway what we have is a regression in 2.6.22-rc1 since the laptop can't
> suspend (it sits on the "Stopping tasks" console screen) while 2.6.21
> can.
> I'm now bisecting this, will come to -mm1 later when done with this one.

OK, thanks.

> Who is the regression-guy?

Len, usually ;)    But I think you meant Michal, cc'ed here.
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