[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1034222
Title:
Backlight out for exactly 10 seconds on boot with Acer D255E
Status in “linux” package in Ubuntu:
Expired
Bug description:
Backlight goes out for exactly 10 seconds before returning while
booting with an Acer AOD255E netbook. This is a backlight issue, as I
can shine a flashlight at the screen and still see boot text scrolling
(after removing splash and quiet).
With "acpi=off" appended to the kernel line, this no longer occurs (Fn
key backlight controls still work with this appended). With every
other acpi option I have tried, this still occurs though. This
includes "acpi_backlight" and "acpi_display_output". With
"acpi_backlight=vendor" the entry in /sys/class/backlight changes from
acpi_video0 to acer_wmi, but backlight still goes out.
Otherwise backlight works correctly. System info is attached.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-27-generic 3.2.0-27.43
ProcVersionSignature: Ubuntu 3.2.0-27.43-generic 3.2.21
Uname: Linux 3.2.0-27-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC272X Analog [ALC272X Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
ApportVersion: 2.0.1-0ubuntu12
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC272X Analog [ALC272X Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: dan 1602 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0x98200000 irq 44'
Mixer name : 'Realtek ALC272X'
Components : 'HDA:10ec0272,10250002,00100001'
Controls : 17
Simple ctrls : 9
Date: Tue Aug 7 22:06:09 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64
(20120425)
MachineType: Acer AOD255E
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-27-generic
root=UUID=71aeee3a-24a5-4786-a7ac-9898a5917982 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.2.0-27-generic N/A
linux-backports-modules-3.2.0-27-generic N/A
linux-firmware 1.79
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/22/2011
dmi.bios.vendor: Acer
dmi.bios.version: V3.16(DDR3)
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: JE02_PT_E
dmi.board.vendor: Acer
dmi.board.version: V3.16(DDR3)
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V3.16(DDR3)
dmi.modalias:
dmi:bvnAcer:bvrV3.16(DDR3):bd04/22/2011:svnAcer:pnAOD255E:pvrV3.16(DDR3):rvnAcer:rnJE02_PT_E:rvrV3.16(DDR3):cvnAcer:ct10:cvrV3.16(DDR3):
dmi.product.name: AOD255E
dmi.product.version: V3.16(DDR3)
dmi.sys.vendor: Acer
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