linux-kernel - Re: 2.6.23-rc3 regression and bisection query

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Date:	Tue, 14 Aug 2007 11:54:51 +0400
From:	Sergey Dolgov <solkaa@...il.com>
To:	Alexey Starikovskiy <astarikovskiy@...e.de>
Cc:	Hugh Dickins <hugh@...itas.com>, Sergey Dolgov <solkaa@...il.com>,
	Len Brown <len.brown@...el.com>,
	Norbert Preining <preining@...ic.at>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Henrique de Moraes Holshuh <hmh@....eng.br>,
	Michal Piotrowski <michal.k.k.piotrowski@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: 2.6.23-rc3 regression and bisection query

On Mon, Aug 13, 2007 at 11:56:22PM +0100, Hugh Dickins wrote:
> On Tue, 14 Aug 2007, Alexey Starikovskiy wrote:
> > Sergey Dolgov wrote:
> > > On Mon, Aug 13, 2007 at 07:44:48PM +0100, Hugh Dickins wrote:
> > >   
> > >> Git bisection (with manual fixups to i386 mmiocfg horror, thanks
> > >> for drawing attention to that in your changelog) accuses Alexey's
> > >> ACPI: EC: If ECDT is not found, look up EC in DSDT
> > >> cd8c93a4e04dce8f00d1ef3a476aac8bd65ae40b
> > >> and if I revert that along with Len's subsequent
> > >> ACPI: EC: fix build warning
> > >> 52fe4bdf40bc07498c5f7935551774e8f8458190
> > >> then I have Fn-F4 suspending to RAM again.
> > >
> > > I've also noticed a regression since -rc2 in battery status reporting
> > > on my HP nx7300 laptop: the output of
> > >
> > >     cat /proc/acpi/battery/C1BE/state
> > >
> > > does not change after this file has been read for the the first time;
> > > for exaple, the line "charging state: charged" does not change to
> > > "charging state: discharging" upon unplugging the power cord.
> > >
> > > Reverting the above 2 commits fixes this issue for me.
> > >
> > > --
> > > Sergey
> > >   
> > Function to register query methods (means by which EC talks to ACPI)
> > was deleted by mistake.
> > 
> > Could you please try the attached patch?
> 
> Great, that indeed fixes my Thinkpad suspend-to-RAM cases
> (both the Fn-F4, and resume from echo mem >/sys/power/state):
> thanks a lot, Alexey.

Same thing here, your patch ontop of -rc3 fixes battery status
reporting for me.

Thanks, Alexey.

--
Sergey
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