linux-kernel - Re: Linux 3.11-rc2 (acpi backlight, revert)

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Message-ID: <9711528.yIoJy2i1iX@vostro.rjw.lan>
Date:	Thu, 25 Jul 2013 21:47:10 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	James Hogan <james@...anarts.com>,
	Kamal Mostafa <kamal@...onical.com>,
	Jörg Otte <jrg.otte@...il.com>
Cc:	Aaron Lu <aaron.lu@...el.com>, Kalle Valo <kvalo@...rom.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Matthew Garrett <matthew.garrett@...ula.com>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Steven Newbury <steve@...wbury.org.uk>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Martin Steigerwald <Martin@...htvoll.de>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	intel-gfx <intel-gfx@...ts.freedesktop.org>,
	Jani Nikula <jani.nikula@...ux.intel.com>
Subject: Re: Linux 3.11-rc2 (acpi backlight, revert)

On Thursday, July 25, 2013 08:14:08 PM James Hogan wrote:
> On 25 July 2013 14:00, Rafael J. Wysocki <rjw@...k.pl> wrote:
> > On Monday, July 22, 2013 09:54:21 PM Rafael J. Wysocki wrote:
> >> On Monday, July 22, 2013 11:11:54 AM Linus Torvalds wrote:
> >> > On Mon, Jul 22, 2013 at 6:02 AM, Rafael J. Wysocki <rjw@...k.pl> wrote:
> >> > >
> >> > > Linus, do you want me to send a pull request reverting 8c5bd7a and efaa14c?
> >> >
> >> > Yes, but let's wait a while. Not because I think we'll fix the problem
> >> > (hey, miracles might happen), but because I think it would be useful
> >> > to couple the reverts with information about the particular machines
> >> > that broke (and the people who reported it). So that when we
> >> > inevitably try again, we can perhaps get some testing effort with
> >> > those machines/people.
> >> >
> >> > It doesn't seem to be a show-stopped for a large number of people, so
> >> > there's no huge hurry. I'd suggest doing the revert just in time for
> >> > rc3, but waiting until then to gather info about people who see
> >> > breakage.
> >> >
> >> > Sound like a plan?
> >>
> >> Yes, it does.
> >
> > OK, time to revert I guess.
> >
> > James, Kamal, Steven, Jörg, Martin, Kalle, please check if the apppended patch
> > fixes the backlight for you.
> 
> Works for me

Great!

James, Kamal, Jörg, thanks for confirmations.  I'll tentatively put the revert
into linux-next in a while.

Other people who experienced problems with backlight in 3.11-rc2, please let me
know whether or not the revert works for you too if you can.

Rafael


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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