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

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Message-ID: <CAAG0J98G64DGvtA3HtY7B2-rvOordrzam+jjy=kjgLTW0WPgew@mail.gmail.com>
Date:	Wed, 24 Jul 2013 07:49:52 +0100
From:	James Hogan <james@...anarts.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Kamal Mostafa <kamal@...onical.com>,
	Steven Newbury <steve@...wbury.org.uk>,
	Martin Steigerwald <Martin@...htvoll.de>,
	Jörg Otte <jrg.otte@...il.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>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>
Subject: Re: Linux 3.11-rc2 (acpi backlight)

On 24 July 2013 01:05, Rafael J. Wysocki <rjw@...k.pl> wrote:
> I'd like to collect some information on the systems having problems with those
> two commits (to see if they are similar somehow).
>
> It seems that one common symptom is that brightness cannot be controlled
> through function keys.  Is that correct for all of you?  If so, did you try
> any other way to control brightness, like a GUI-based?

For me both the Fn keys and the gui slider (kde) now control
/sys/class/backlight/intel_backlight/brightness (which has no effect).
Previously they both controlled the acpi one (that on -rc2 doesn't
exist).

>
> Also, can you all please send me (a) the output of dmidecode and (b) the
> contents of /proc/cpuinfo from your systems?

attached
-- 
James Hogan

View attachment "cpuinfo.txt" of type "text/plain" (3812 bytes)

View attachment "dmi.txt" of type "text/plain" (20179 bytes)