Closing this bug with Won't fix as this kernel / release is no longer supported.
Please feel free to open a new bug report if you're still experiencing this on
a newer release (Bionic 18.04.3 / Disco 19.04)
Thanks!
** Changed in: linux (Ubuntu)
Status: Incomplete => Won't Fix
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You
Since the computer affected by the bug is still run under 12.04 I can't
test the dev version.
Bug still exists in 12.04, Linux [...] 3.2.0-51-generic #77-Ubuntu SMP
Wed Jul 24 20:21:10 UTC 2013 i686 i686 i386 GNU/Linux
And workaround boot parameter acpi_backlight=vendor still works.
--
You
Marc Bristiel, could you please confirm this issue exists with the
latest development release of Ubuntu? ISO images are available from
http://cdimage.ubuntu.com/daily-live/current/ . If the issue remains,
could you please run the following command in the development release
from a Terminal
I can confirm this bug is still present in 11.04 with a fully up-to-date
system, kernel Ubuntu SMP Mon Apr 11 03:31:24 UTC 2011 (Ubuntu
2.6.38-8.42-generic 2.6.38.2).
I have an ASUS U81A laptop and backlight brightness was not adjustable
with stock settings (it DID worked in Ubuntu 10.04). dmesg
I tested workaround
GRUB_CMDLINE_LINUX=acpi_backlight=vendor acpi_osi='\!Windows 2009\'
with latest 11.04 kernel from kernel-ppa (2.6.39-0-generic
#5~20110427-Ubuntu SMP Wed Apr 27 15:27:41 UTC 2011 x86_64 x86_64 x86_64
GNU/Linux).
Workaround works e.g. I am able to change display brightness
Still issue with latest 11.04 kernel from kernel-ppa (2.6.39-0-generic
#5~20110427-Ubuntu SMP Wed Apr 27 15:27:41 UTC 2011 x86_64 x86_64 x86_64
GNU/Linux).
Have not tried yet any workaround, because I have same Asus UL30A laptop
than Kamil who reported those are not working.
I experienced quite
This is still an issue with 11.04. I cannot believe it! The worst part
is, none of the kernel parameter workarounds seem to work for me :(. Who
do we have to pay to get this fixed?
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Actually real workaround of the day is to set
GRUB_CMDLINE_LINUX=acpi_backlight=vendor acpi_osi='\!Windows 2009\'
otherwise laptop cannot be suspended by closing the lid.
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Still not working with kernel 2.6.38-8-generic. The
GRUB_CMDLINE_LINUX=acpi_osi='\!Windows 2009\' workaround does not work
anymore.
Workaround of the day is GRUB_CMDLINE_LINUX=acpi_backlight=vendor, and
calling update-grub (thanks to
** Changed in: linux
Importance: Unknown = Medium
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https://bugs.launchpad.net/bugs/566193
Title:
luminosity screen on a laptop cannot be set
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** Changed in: linux
Status: Unknown = Fix Released
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https://bugs.launchpad.net/bugs/566193
Title:
luminosity screen on a laptop cannot be set
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I was schocked to find out that this is still an issue in Maverick! As
usual, setting GRUB_CMDLINE_LINUX=acpi_osi='\!Windows 2009\' works
for me on my Asus UL30A laptop with Intel GPU.
How can we get someone to notice this bug and fix it? I can only imagine
how many new Ubuntu users are put off
Tested today with mainline kernel (2.6.36-999.201009080908). Here are
the results:
(kb means setting brightness with keyboard, applet means setting
brightness with Plasma applet)
mainline: kb=good(1) applet=bad
mainline + acpi_osi: kb=good(1) applet=bad
2.6.35-20: kb=bad applet=bad
2.6.35-20 +
I can still reproduce the bug with 2.6.35-19. The workaround mentioned
by Ryan works fine here (ASUS P81IJ). I applied it by editing
/etc/default/grub and changed the line which says:
GRUB_CMDLINE_LINUX=
to:
GRUB_CMDLINE_LINUX=acpi_osi='\!Windows 2009\'
And ran update-grub
--
luminosity
Affects me too UL30A-X5. dmidecode shows as:
Manufacturer: ASUSTeK Computer Inc. Product Name: UL30A
Confirm it was an issue with the newest CD image, and still occurs after fully
updating everything...
# uname -a
Linux laptop 2.6.32-23-generic-pae #37-Ubuntu SMP Fri Jun 11 09:26:55 UTC 2010
Patch is upstream in 2.6.33-rc2 and the following shows what is reported as a
work around until then.
https://bugzilla.kernel.org/show_bug.cgi?id=14753#c20
** Bug watch added: Linux Kernel Bug Tracker #14753
http://bugzilla.kernel.org/show_bug.cgi?id=14753
** Also affects: linux via
More information : when passing the parameter acpi_backlight=vendor to the
kernel at boot time, user can change luminosity by using the fn key on the
keyboard (light+ and light-).
However, dmesg continues in sending errors and GNOME light applet cannot be
used to set luminosity.
--
luminosity
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
AplayDevices:
List of PLAYBACK Hardware Devices
card 0: Intel [HDA Intel], device 0: VT1708S Analog [VT1708S Analog]
Subdevices: 2/2
Subdevice #0: subdevice #0
Subdevice #1: subdevice #1
Architecture: amd64
** Changed in: ubuntu
Assignee: Ubuntu Kernel ACPI Team (ubuntu-kernel-acpi) = (unassigned)
** Package changed: ubuntu = linux (Ubuntu)
--
luminosity screen on a laptop cannot be set
https://bugs.launchpad.net/bugs/566193
You received this bug notification because you are a member of
Hi Marc,
Please be sure to confirm this issue exists with the latest development release
of Ubuntu. ISO CD images are available from
http://cdimage.ubuntu.com/releases/ . If the issue remains, please run the
following command from a Terminal (Applications-Accessories-Terminal). It
will
** Changed in: ubuntu
Assignee: (unassigned) = Ubuntu Kernel ACPI Team (ubuntu-kernel-acpi)
--
luminosity screen on a laptop cannot be set
https://bugs.launchpad.net/bugs/566193
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I have the same issue with my Asus UL20A
ACPI Exception: AE_AML_BUFFER_LIMIT, Index (0005E) is beyond end of object
(20090903/exoparg2-445)
ACPI Error (psparse-0537): Method parse/execution failed
[\_SB_.PCI0.SBRG.EC0_.STBR] (Node 88007bb34ec0), AE_AML_BUFFER_LIMIT
ACPI Error
Same problem with Asus K50IJ.
10.04 - Linux version 2.6.32-22-generic (bui...@rothera) (gcc version
4.4.3 (Ubuntu 4.4.3-4ubuntu5) ) #33-Ubuntu SMP Wed Apr 28 13:27:30 UTC
2010 (Ubuntu 2.6.32-22.33-generic 2.6.32.11+drm33.2)
--
luminosity screen on a laptop cannot be set
I have a similar problem.
I installed cleanly Ubuntu 10.04 AMD64
Hardware : Sony Vaio VPCEB1M1E/BJ with Video hardware ATI Mobility
Radeon HD5650 1GB
With the poperty driver don't work the luminosity change but with the
open drive it's work
--
luminosity screen on a laptop cannot be set
I have this problem also on fresh Ubuntu 10.04, hardware: asus p81ij
--
luminosity screen on a laptop cannot be set
https://bugs.launchpad.net/bugs/566193
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I have the same problem.
I installed cleanly Ubuntu 10.04
Hardware : Compaq 515
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ubuntu-bugs
Seems to be an issue with kernels 2.6.31.
I just installed vanilla kernel 2.6.34-rc4 and used karmic's default
configuration. When booting I have the similar messages in dmesg:
[ 19.230795] ACPI Exception: AE_AML_BUFFER_LIMIT, Index (00066) is beyond
end of object (20100121/exoparg2-445)
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