Public bug reported:
I own a Core Duo 2 desktop system with an Abit AW9D-Max motherboard. The
content on /proc/cpuinfo is:
[EMAIL PROTECTED]:~$ cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Core(TM)2 CPU 6600 @ 2.40GHz
stepping : 6
cpu MHz : 600.000
cache size : 4096 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
fpu : yes
fpu_exception : yes
cpuid level : 2
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 syscall nx lm
constant_tsc pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr lahf_lm
bogomips : 4900.54
clflush size : 64
cache_alignment : 64
address sizes : 36 bits physical, 48 bits virtual
power management:
processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Core(TM)2 CPU 6600 @ 2.40GHz
stepping : 6
cpu MHz : 600.000
cache size : 4096 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
fpu : yes
fpu_exception : yes
cpuid level : 2
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 syscall nx lm
constant_tsc pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr lahf_lm
bogomips : 4897.17
clflush size : 64
cache_alignment : 64
address sizes : 36 bits physical, 48 bits virtual
power management:
The problem is that the detection of the available CPU frequencies seems
to be broken as reported by the following /sys/ files:
/sys/devices/system/cpu/cpu0/cpufreq/scaling_driver
acpi-cpufreq
/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies
900000 600000
/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
conservative
/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
900000
/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq
600000
/sys/devices/system/cpu/cpu1/cpufreq/scaling_driver
acpi-cpufreq
/sys/devices/system/cpu/cpu1/cpufreq/scaling_available_frequencies
900000 600000
/sys/devices/system/cpu/cpu1/cpufreq/scaling_governor
conservative
/sys/devices/system/cpu/cpu1/cpufreq/cpuinfo_max_freq
900000
/sys/devices/system/cpu/cpu1/cpufreq/cpuinfo_min_freq
600000
** Affects: Ubuntu
Importance: Undecided
Status: Unconfirmed
--
frequency scaling / detection broken on this box
https://launchpad.net/bugs/85814
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