linux-kernel - Re: [regression] Re: [ 049/149] rtc: Disable the alarm in the hardware (v2)

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Message-ID: <20121106021200.GC13487@kroah.com>
Date:	Tue, 6 Nov 2012 03:12:00 +0100
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Heinz Wiesinger <HMWiesinger@....at>
Cc:	Jonathan Nieder <jrnieder@...il.com>, linux-kernel@...r.kernel.org,
	stable@...r.kernel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	John Stultz <john.stultz@...aro.org>,
	Rabin Vincent <rabin.vincent@...ricsson.com>,
	Janne Boman <janne.m.boman@...il.com>,
	rtc-linux@...glegroups.com
Subject: Re: [regression] Re: [ 049/149] rtc: Disable the alarm in the
 hardware (v2)

On Mon, Nov 05, 2012 at 11:55:32PM +0100, Heinz Wiesinger wrote:
> On Monday 05 November 2012 11:13:31 Greg KH wrote:
> > On Mon, Nov 05, 2012 at 01:11:18AM -0800, Jonathan Nieder wrote:
> > > Hi,
> > > 
> > > In March, Greg KH wrote:
> > > > 3.2-stable review patch.  If anyone has any objections, please let me
> > > > know.
> > > 
> > > Sorry, I'm a little late.  This seems to be causing spurious wakeups
> > > after shutdown on some systems just like v1 did. :/
> > > 
> > > Janne Boman reports[1], using an HP EliteBook 8530w:
> > > | I'm unable to shutdown my system via normal means. The system
> > > | completes the shutdown process, all hardware lights are off, but then
> > > | somehow it restarts.
> > > 
> > > Based on a quick web search, Heinz Wiesinger, using the same model,
> > > 
> > > ran into the same problem and bisected it to this patch:
> > >   https://bugzilla.kernel.org/show_bug.cgi?id=44261
> > > 
> > > Janne confirmed the same by testing kernels closely based on 3.2.13
> > > and 3.2.14 --- 3.2.13 shut down fine, while on 3.2.14 "shutdown -h
> > > now" behaved roughly speaking like "reboot".  A kernel close to 3.6.4
> > > was also affected.
> > 
> > So is 3.6.6 still and issue?  How about 3.7-rc4?  3.4.18?  Figuring out
> > if this is still an issue in Linus's tree would be the best thing to do
> > first.
> 
> I checked 3.7-rc4 and the issue is still there. Should I still test the other 
> versions as well? I can do so but it might take a bit.

No, that should be good enough, this needs to be fixed there first.

> If you need anything else, I'll be happy to help wherever I can.

Working with the developers involved would be great.  Anyone have any
patches that Heinz could test?

thanks,

greg k-h
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