Public bug reported:
I' m opening this bug as continuation of bug #760131
[https://bugs.launchpad.net/ubuntu/+source/linux/+bug/760131] (comment 188),
since the power consumption in Ubuntu 11.10 is not really reduced, so the
power regression in kernel 3.0.0-12 is not fixed for my hardware. Powertop
shows a reduction of about 1W (from about 8W to 7W), but battery life is not
really improved. Actually, battery (6 cell, Soltech PT20) life is 4h30', but it
should be 6h. I'm on a Zareason Terra HD netbook
[https://zareason.com/shop/Terra-HD.html], with 3G modem, 1Gb Ram, 40Gb SSD.
This is a fresh installation on Oneiric (not an upgrade).
I'm also adding a lshw output.
Ask me for any more needed information.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: linux-image-3.0.0-12-generic 3.0.0-12.20
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC662 rev1 Analog [ALC662 rev1 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
ApportVersion: 1.23-0ubuntu3
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: stiu 1471 F.... pulseaudio
/dev/snd/controlC1: stiu 1471 F.... pulseaudio
CRDA: Error: [Errno 2] File o directory non esistente
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0x40100000 irq 47'
Mixer name : 'Realtek ALC662 rev1'
Components : 'HDA:10ec0662,10ec0662,00100101'
Controls : 17
Simple ctrls : 10
Card1.Amixer.info:
Card hw:1 'Camera'/'Vimicro Corp. Venus USB2.0 Camera at usb-0000:00:1d.7-7,
high speed'
Mixer name : 'USB Mixer'
Components : 'USB0ac8:3420'
Controls : 2
Simple ctrls : 1
Card1.Amixer.values:
Simple mixer control 'Mic',0
Capabilities: cvolume cvolume-joined cswitch cswitch-joined penum
Capture channels: Mono
Limits: Capture 0 - 48
Mono: Capture 38 [79%] [11.00dB] [on]
Date: Sun Oct 16 17:33:07 2011
HibernationDevice: RESUME=UUID=9b27c5c0-6de2-4182-bb77-46dca18e8a94
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
MachineType: Zareason Corporation PT20
ProcEnviron:
PATH=(custom, no user)
LANG=it_IT.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic
root=UUID=9c74d7b3-3d06-4494-b399-4395aac9cbc4 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.0.0-12-generic N/A
linux-backports-modules-3.0.0-12-generic N/A
linux-firmware 1.60
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/10/2010
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: PT20_B1.1.216_E1.1.351_P0
dmi.board.asset.tag: Not Applicable
dmi.board.name: PT20
dmi.board.vendor: Zareason Corporation
dmi.board.version: MP
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 1
dmi.chassis.vendor: Zareason Corporation
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnPhoenixTechnologiesLTD:bvrPT20_B1.1.216_E1.1.351_P0:bd03/10/2010:svnZareasonCorporation:pnPT20:pvrMP:rvnZareasonCorporation:rnPT20:rvrMP:cvnZareasonCorporation:ct1:cvrN/A:
dmi.product.name: PT20
dmi.product.version: MP
dmi.sys.vendor: Zareason Corporation
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 oneiric running-unity
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https://bugs.launchpad.net/bugs/875801
Title:
Linux power regeression is not improved from Natty to Oneiric -
Netbook Zareason Terra HD
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