CPU frequency less than HW supported maximum
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Won't Fix
|
Low
|
Colin Ian King |
Bug Description
The host system has a 3.2GHz PIV CPU, but the maximum frequency used is 1.6GHz:
cat /sys/devices/
1600000
The strange thins is, dmidecode reports:
Max Speed: 3800 MHz
Current Speed: 3200 MHz
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: linux-image-
Regression: No
Reproducible: Yes
ProcVersionSign
Uname: Linux 2.6.32-33-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xd01c0000 irq 22'
Mixer name : 'Analog Devices AD1981'
Components : 'HDA:11d41981,
Controls : 33
Simple ctrls : 19
Date: Thu Sep 22 11:20:59 2011
HibernationDevice: RESUME=
InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1)
IwConfig:
lo no wireless extensions.
eth0 no wireless extensions.
MachineType: IBM 8113E9G
ProcCmdLine: BOOT_IMAGE=
ProcEnviron:
SHELL=/bin/bash
PATH=(custom, user)
LANG=it_IT.UTF-8
RelatedPackageV
RfKill:
SourcePackage: linux
dmi.bios.date: 02/27/2006
dmi.bios.vendor: IBM
dmi.bios.version: 2EKT34AIT
dmi.board.name: IBM
dmi.board.vendor: IBM
dmi.chassis.
dmi.chassis.type: 6
dmi.chassis.vendor: IBM
dmi.modalias: dmi:bvnIBM:
dmi.product.name: 8113E9G
dmi.product.
dmi.sys.vendor: IBM
Changed in linux (Ubuntu): | |
status: | New → Confirmed |
Changed in linux (Ubuntu): | |
importance: | Undecided → Low |
assignee: | nobody → Colin King (colin-king) |
I have another system which is similar to this one and has the same "bug".
The maximum CPU frequency is reached only if I disable the cpu frequency scaling in the BIOS.