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Message #30738
[Bug 877877] Re: AMD Turbo Core not working on 11.10
** Tags added: latest-bios-f11
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https://bugs.launchpad.net/bugs/877877
Title:
AMD Turbo Core not working on 11.10
Status in “linux” package in Ubuntu:
Triaged
Bug description:
The kernel says:
$ dmesg | grep powernow
[ 1.877385] powernow-k8: Found 1 AMD Phenom(tm) II X6 1100T Processor (6 cpu cores) (version 2.20.00)
[ 1.877398] powernow-k8: Core Performance Boosting: on.
[ 1.877423] powernow-k8: 0 : pstate 0 (3300 MHz)
[ 1.877424] powernow-k8: 1 : pstate 1 (2500 MHz)
[ 1.877425] powernow-k8: 2 : pstate 2 (1700 MHz)
[ 1.877426] powernow-k8: 3 : pstate 3 (800 MHz)
But when I'm running a singe threaded application, cpuinfo says:
$ cat /proc/cpuinfo | grep MHz
cpu MHz : 800.000
cpu MHz : 3300.000
cpu MHz : 800.000
cpu MHz : 800.000
cpu MHz : 800.000
cpu MHz : 800.000
when I should be getting a boost to 3700MHz.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: linux-generic 3.0.0.12.14
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: andrew 1687 F.... pulseaudio
/dev/snd/controlC0: andrew 1687 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'SB'/'HDA ATI SB at 0xfe024000 irq 16'
Mixer name : 'Realtek ALC889A'
Components : 'HDA:10ec0885,1458a102,00100101'
Controls : 41
Simple ctrls : 23
Card1.Amixer.info:
Card hw:1 'REC'/'Roland UA-30 (44100Hz, Analog REC) at usb-0000:00:12.2-4.4, full speed'
Mixer name : 'USB Mixer'
Components : 'USB0582:0006'
Controls : 5
Simple ctrls : 4
Date: Wed Oct 19 00:10:33 2011
HibernationDevice: RESUME=UUID=24678a6c-8273-4e5b-ab43-a38d55e7455c
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
IwConfig:
lo no wireless extensions.
eth0 no wireless extensions.
MachineType: Gigabyte Technology Co., Ltd. GA-MA785GM-US2H
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic root=UUID=a5fa7ee5-ecfa-45f8-89a7-5b5e1c12d067 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:
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/08/2010
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F12a
dmi.board.name: GA-MA785GM-US2H
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF12a:bd07/08/2010:svnGigabyteTechnologyCo.,Ltd.:pnGA-MA785GM-US2H:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-MA785GM-US2H:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: GA-MA785GM-US2H
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
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