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Bug#740168: marked as done (xbacklight uses wrong control)

Your message dated Wed, 26 Feb 2014 16:45:45 +0100
with message-id <20140226154545.GS17725@betterave.cristau.org>
and subject line Re: Bug#740168: xbacklight uses wrong control
has caused the Debian Bug report #740168,
regarding xbacklight uses wrong control
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
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immediately.)


-- 
740168: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=740168
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: xbacklight
Version: 1.1.2-1
Severity: normal

Dear Maintainer,

on my Lenovo T410 with an Intel graphics card, xbacklight  modifies the values
in /sys/class/backlight/acpi_video0 instead of
/sys/class/backlight/intel_backlight . The latter works just fine, whereas
changing values in the former has no visible effect.

Since my KDE session seems to use xbacklight upon login to restore the old
backlight, this results in a totally black screen, because the intel value
seems to be initialized to 0. Pressing the brightness up and down keys has no
effect either, so the only way to recover from this is to change the values in
/sys/class/backlight/intel_backlight by hand.



-- System Information:
Debian Release: jessie/sid
  APT prefers unstable
  APT policy: (600, 'unstable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 3.13-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=C, LC_CTYPE=C (charmap=UTF-8) (ignored: LC_ALL set to en_US.UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages xbacklight depends on:
ii  libc6       2.18-3
ii  libx11-6    2:1.6.2-1
ii  libxrandr2  2:1.4.2-1

xbacklight recommends no packages.

xbacklight suggests no packages.

-- no debconf information

--- End Message ---
--- Begin Message --- 
On Wed, Feb 26, 2014 at 15:31:31 +0100, Philipp Hagemeister wrote:

> Package: xbacklight
> Version: 1.1.2-1
> Severity: normal
> 
> Dear Maintainer,
> 
> on my Lenovo T410 with an Intel graphics card, xbacklight  modifies the values
> in /sys/class/backlight/acpi_video0 instead of
> /sys/class/backlight/intel_backlight . The latter works just fine, whereas
> changing values in the former has no visible effect.
> 
> Since my KDE session seems to use xbacklight upon login to restore the old
> backlight, this results in a totally black screen, because the intel value
> seems to be initialized to 0. Pressing the brightness up and down keys has no
> effect either, so the only way to recover from this is to change the values in
> /sys/class/backlight/intel_backlight by hand.
> 
That's not a bug in xbacklight, it's either a bug in your kernel or X
driver.

Cheers,
Julien

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