linux-kernel - Re: x60 backlight Re: [discuss] 2.6.19-rc1: known regressions (v2)

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Date:	Sun, 8 Oct 2006 19:38:09 +0200
From:	Adrian Bunk <bunk@...sta.de>
To:	Pavel Machek <pavel@...e.cz>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	len.brown@...el.com, linux-acpi@...r.kernel.org, linux-pm@...l.org,
	"Michael S. Tsirkin" <mst@...lanox.co.il>
Subject: Re: x60 backlight Re: [discuss] 2.6.19-rc1: known regressions (v2)

On Sun, Oct 08, 2006 at 07:12:54AM +0000, Pavel Machek wrote:
> 
> On Sat 07-10-06 23:46:21, Adrian Bunk wrote:
> > This email lists some known regressions in 2.6.19-rc1 compared to 2.6.18
> > that are not yet fixed Linus' tree.
> > 
> > If you find your name in the Cc header, you are either submitter of one
> > of the bugs, maintainer of an affectected subsystem or driver, a patch
> > of you was declared guilty for a breakage or I'm considering you in any
> > other way possibly involved with one or more of these issues.
> > 
> > Due to the huge amount of recipients, please trim the Cc when answering.
> ...
> > Subject    : T60 stops triggering any ACPI events
> > References : http://lkml.org/lkml/2006/10/4/425
> > Submitter  : "Michael S. Tsirkin" <mst@...lanox.co.il>
> > Status     : unknown
> > 
> > 
> > Subject    : thinkpad x60: brightness no longer adjustable in 2.6.18-git
> > References : http://lkml.org/lkml/2006/10/2/300
> > Submitter  : Pavel Machek <pavel@....cz>
> > Status     : unknown, related to the issue above?
> 
> Strange, problem went away after reboot. I guess I'll write it off as
> an acpi glitch... there's definitely something strange going on with
> backlight around s2ram: during normal operation, backlight changes are
> fast. After s2ram, backlight change from keyboard takes 300msec or so.

Is this a regression compared to 2.6.18 or an older issue?

If it's a regression can you bisect?

TIA
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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