katsu, please execute the following at a terminal:
apport-collect 1218744
** Package changed: linux-lts-raring (Ubuntu) => linux (Ubuntu)
** Changed in: linux (Ubuntu)
Importance: Undecided => Low
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1218744
Title:
Fn+F6 does not work with kernel option "acpi_backlight=vendor".
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
[HARDWARE]
Lenovo G580 (2689-7LJ)
[OS]
ubuntu 12.04.3-64bit point release(clean install in UEFI mode)
[TITLE]
Fn+F6 does not work with kernel option "acpi_backlight=vendor".
[How To Reproduce]
1. edit /etc/default/grub & add "acpi_backlight=vendor"
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_backlight=vendor"
or
GRUB_CMDLINE_LINUX="acpi_backlight=vendor"
2. sudo update-grub
3. reboot
[Actual Result]
Fn+F6(touchpad enable/disable) does not work.
[Expected Result]
Fn+F6 toggle -> appear notification -> touchpad enable/disable
[Workaround]
kernel option(acpi_backlight=vendor) is remove.
but Fn+up/down(brightness) can not control.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.8.0-29-generic 3.8.0-29.42~precise1 [modified:
boot/vmlinuz-3.8.0-29-generic]
ProcVersionSignature: Ubuntu 3.8.0-29.42~precise1-generic 3.8.13.5
Uname: Linux 3.8.0-29-generic x86_64
ApportVersion: 2.0.1-0ubuntu17.4
Architecture: amd64
Date: Fri Aug 30 14:44:05 2013
InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release amd64
(20130820.1)
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=ja_JP.UTF-8
SHELL=/bin/bash
SourcePackage: linux-lts-raring
UpgradeStatus: No upgrade log present (probably fresh install)
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