Public bug reported:
CPU is always at maximum speed and does not change if I try change governor or
frequency.
==================================
Description: Ubuntu 12.04.4 LTS
Release: 12.04
#uname -a
3.11.0-17-generic #31~precise1-Ubuntu SMP Tue Feb 4 21:25:43 UTC 2014 x86_64
x86_64 x86_64 GNU/Linux
#apt-cache policy cpufreqd
cpufreqd:
Усталяваныя: 2.4.2-1
Кандыдат: 2.4.2-1
Табліца вэрсіяў:
*** 2.4.2-1 0
500 http://by.archive.ubuntu.com/ubuntu/ precise/universe amd64 Packages
100 /var/lib/dpkg/status
#apt-cache policy cpufrequtils
cpufrequtils:
Усталяваныя: 007-2
Кандыдат: 007-2
Табліца вэрсіяў:
*** 007-2 0
500 http://by.archive.ubuntu.com/ubuntu/ precise/universe amd64 Packages
100 /var/lib/dpkg/status
#cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 23
model name : Intel(R) Core(TM)2 Duo CPU T9300 @ 2.50GHz (is not
native, T2390 was replaced to this)
stepping : 6
microcode : 0x60f
cpu MHz : 2401.000
cpu cores : 2
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm
constant_tsc arch_perfmon pebs bts rep_good nopl aperfmperf pni dtes64 monitor
ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 lahf_lm ida dtherm tpr_shadow
vnmi flexpriority
bogomips : 4987.55
power management:
#cpufreq-info
cpufrequtils 007: cpufreq-info (C) Dominik Brodowski 2004-2009
Report errors and bugs to cpuf...@vger.kernel.org, please.
analyzing CPU 0:
driver: acpi-cpufreq
CPUs which run at the same hardware frequency: 0
CPUs which need to have their frequency coordinated by software: 0
maximum transition latency: 10.0 us.
hardware limits: 2.40 GHz - 2.40 GHz
available frequency steps: 2.40 GHz, 2.40 GHz
available cpufreq governors: conservative, ondemand, userspace, powersave,
performance
current policy: frequency should be within 2.40 GHz and 2.40 GHz.
The governor "ondemand" may decide which speed to use
within this range.
current CPU frequency is 2.40 GHz.
cpufreq stats: 2.40 GHz:-nan%, 2.40 GHz:-nan% (6)
#cat /etc/modules
lp
rtc
p4_clockmod
battery
ac
thermal
processor
acpi-cpufreq
cpufreq-userspace
log is empty for:
#cat /proc/modules | grep cpu
#cat /proc/modules | grep freq
#lsmod | grep acpi
#lsmod | grep cpu
#cat /boot/config-3.11.0-15-generic | grep FREQ
CONFIG_CPU_FREQ=y
CONFIG_CPU_FREQ_TABLE=y
CONFIG_CPU_FREQ_GOV_COMMON=y
CONFIG_CPU_FREQ_STAT=y
CONFIG_CPU_FREQ_STAT_DETAILS=y
CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
CONFIG_CPU_FREQ_GOV_POWERSAVE=y
CONFIG_CPU_FREQ_GOV_USERSPACE=y
CONFIG_CPU_FREQ_GOV_ONDEMAND=y
CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
CONFIG_X86_PCC_CPUFREQ=y
CONFIG_X86_ACPI_CPUFREQ=y
CONFIG_X86_ACPI_CPUFREQ_CPB=y
CONFIG_X86_AMD_FREQ_SENSITIVITY=m
CONFIG_PM_DEVFREQ=y
CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND=y
CONFIG_DEVFREQ_GOV_PERFORMANCE=y
CONFIG_DEVFREQ_GOV_POWERSAVE=y
CONFIG_DEVFREQ_GOV_USERSPACE=y
#cat /boot/config-3.11.0-15-generic | grep CORE2
CONFIG_MCORE2=y
** Affects: cpufreqd (Ubuntu)
Importance: Undecided
Status: New
** Tags: cpu precise
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https://bugs.launchpad.net/bugs/1283546
Title:
Ubuntu cannot scale cpu frequency
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/cpufreqd/+bug/1283546/+subscriptions
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