Dan, this bug was reported a while ago and there hasn't been any
activity in it recently. We were wondering if this is still an issue? If
so, could you please test for this with the latest development release
of Ubuntu? ISO images are available from http://cdimage.ubuntu.com
/daily-live/current/ .
If it remains an issue, could you please run the following command in
the development release from a Terminal
(Applications->Accessories->Terminal), as it will automatically gather
and attach updated debug information to this report:
apport-collect -p linux <replace-with-bug-number>
** Tags added: latest-bios-3.16
** Tags removed: kernel-bug-exists-upstream
** Tags added: needs-upstream-testing
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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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:
Incomplete
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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