High power consumption in Ubuntu 11.10 Oneiric when running on Lenovo E520
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Confirmed
|
Undecided
|
Unassigned |
Bug Description
As suggested here
https:/
I'm reporting 'high power consumption in Oneiric when running on Lenovo E520' separately from the bug #760131
Lenovo E520 laptop I'm using has an Intel i7 2620M CPU and AMD Radeon HD 6630M switchable graphics chip but I turned this off by following http://
More specifically http://
In Windows 7, I normally have 5+ hours of battery life whereas in Ubuntu 11.10 Oneiric, it's barely 2 hours then dramatically drains.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: linux-image-
ProcVersionSign
Uname: Linux 3.0.0-12-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu3
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: CONEXANT Analog [CONEXANT Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
/dev/snd/
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xe2700000 irq 43'
Mixer name : 'Intel CougarPoint HDMI'
Components : 'HDA:14f1506e,
Controls : 12
Simple ctrls : 6
Card1.Amixer.info:
Card hw:1 'Z205'/' Logitech Logitech Z205 at usb-0000:
Mixer name : 'USB Mixer'
Components : 'USB046d:0a19'
Controls : 2
Simple ctrls : 1
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'
Mixer name : 'ThinkPad EC (unknown)'
Components : ''
Controls : 1
Simple ctrls : 1
Card29.
Simple mixer control 'Console',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Sat Oct 29 18:59:44 2011
HibernationDevice: RESUME=
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110921.2)
MachineType: LENOVO 1143CTO
ProcEnviron:
LANGUAGE=en_AU:en
PATH=(custom, no user)
LANG=en_AU.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=
RelatedPackageV
linux-
linux-
linux-firmware 1.60
SourcePackage: linux
StagingDrivers: mei
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/03/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 8HET35WW(1.17)
dmi.board.
dmi.board.name: 1143CTO
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.
dmi.modalias: dmi:bvnLENOVO:
dmi.product.name: 1143CTO
dmi.product.
dmi.sys.vendor: LENOVO
Changed in linux (Ubuntu): | |
status: | New → Confirmed |
According to bug #760131 , this user notices even higher power consumption on this laptop on Oneiric than on Natty, making this bug a duplicate of bug #818830.